Closed Bug 639104 Opened 13 years ago Closed 10 years ago

Firefox 4 crashed while browsing Twitter page with unicode lots of modifier/joining characters

Categories

(Core :: Layout: Text and Fonts, defect)

x86
macOS
defect
Not set
critical

Tracking

()

RESOLVED WORKSFORME

People

(Reporter: marc.fawzi, Unassigned)

References

()

Details

(Keywords: crash)

User-Agent:       Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:2.0b12) Gecko/20100101 Firefox/4.0b12
Build Identifier: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:2.0b12) Gecko/20100101 Firefox/4.0b12

While *signed in* and scrolling fast down this page http://twitter.com/Reteris FF4 crashed 4 times in a row.

If I do it again it will crash again, I'm 100% certain. Four times in a row is enough IMO.

Here is the crash report from last time:

Process:         firefox-bin [1247]
Path:            /Volumes/Firefox/Firefox.app/Contents/MacOS/firefox-bin
Identifier:      org.mozilla.firefox
Version:         4.0b12 (4.0b12)
Code Type:       X86-64 (Native)
Parent Process:  launchd [129]

Date/Time:       2011-03-04 19:57:35.538 -0800
OS Version:      Mac OS X 10.6.6 (10J567)
Report Version:  6

Interval Since Last Report:          214 sec
Crashes Since Last Report:           1
Per-App Interval Since Last Report:  170 sec
Per-App Crashes Since Last Report:   1
Anonymous UUID:                      4801DAC4-A81D-44A8-B1AF-F581224AB74B

Exception Type:  EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Crashed Thread:  0  Dispatch queue: com.apple.main-thread

Application Specific Information:
*** error for object 0x12d164618: incorrect checksum for freed object - object was probably modified after being freed.
 

Thread 0 Crashed:  Dispatch queue: com.apple.main-thread
0   libSystem.B.dylib             	0x00007fff85e8b616 __kill + 10
1   libSystem.B.dylib             	0x00007fff85f2bcca abort + 83
2   libSystem.B.dylib             	0x00007fff85f1a901 szone_error + 519
3   libSystem.B.dylib             	0x00007fff85e41fa6 tiny_malloc_from_free_list + 715
4   libSystem.B.dylib             	0x00007fff85e4101d szone_malloc_should_clear + 242
5   libSystem.B.dylib             	0x00007fff85e40eea malloc_zone_malloc + 82
6   libSystem.B.dylib             	0x00007fff85e3f1e8 malloc + 44
7   libmozalloc.dylib             	0x0000000101a9d9ac moz_xmalloc + 12
8   XUL                           	0x0000000100044931 catch_exception_raise + 115537
9   XUL                           	0x0000000100e968be gfxUnicodeProperties::ScriptShapingLevel(int) + 5518
10  XUL                           	0x0000000100e971c3 gfxUnicodeProperties::ScriptShapingLevel(int) + 7827
11  XUL                           	0x0000000100e74706 gfxFont::InitTextRun(gfxContext*, gfxTextRun*, unsigned short const*, unsigned int, unsigned int, int, int) + 246
12  XUL                           	0x0000000100e9f174 gfxPlatformMac::OptimizeImage(gfxImageSurface*, gfxASurface::gfxImageFormat) + 404
13  XUL                           	0x0000000100e76375 gfxFont::SplitAndInitTextRun(gfxContext*, gfxTextRun*, unsigned short const*, unsigned int, unsigned int, int) + 389
14  XUL                           	0x0000000100e81224 gfxFontGroup::InitScriptRun(gfxContext*, gfxTextRun*, unsigned short const*, unsigned int, unsigned int, unsigned int, int) + 276
15  XUL                           	0x0000000100e81aea gfxFontGroup::InitTextRun(gfxContext*, gfxTextRun*, unsigned short const*, unsigned int) + 330
16  XUL                           	0x0000000100e81e05 gfxFontGroup::MakeTextRun(unsigned short const*, unsigned int, gfxTextRunFactory::Parameters const*, unsigned int) + 101
17  XUL                           	0x0000000100e912fe gfxTextRunWordCache::MakeTextRun(unsigned char const*, unsigned int, gfxFontGroup*, gfxTextRunFactory::Parameters const*, unsigned int) + 2382
18  XUL                           	0x00000001002aab09 mozilla::layers::ReadbackSink::~ReadbackSink() + 125865
19  XUL                           	0x00000001002aad10 mozilla::layers::ReadbackSink::~ReadbackSink() + 126384
20  XUL                           	0x00000001002abaa4 mozilla::layers::ReadbackSink::~ReadbackSink() + 129860
21  XUL                           	0x00000001002adc57 mozilla::layers::ReadbackSink::~ReadbackSink() + 138487
22  XUL                           	0x000000010027eef0 mozilla::layers::LayerUserData::~LayerUserData() + 894480
23  XUL                           	0x0000000100231860 mozilla::layers::LayerUserData::~LayerUserData() + 577408
24  XUL                           	0x0000000100237a4d mozilla::layers::LayerUserData::~LayerUserData() + 602477
25  XUL                           	0x00000001002380df mozilla::layers::LayerUserData::~LayerUserData() + 604159
26  XUL                           	0x00000001002383ae mozilla::layers::LayerUserData::~LayerUserData() + 604878
27  XUL                           	0x0000000100238bc9 mozilla::layers::LayerUserData::~LayerUserData() + 606953
28  XUL                           	0x0000000100239dc4 mozilla::layers::LayerUserData::~LayerUserData() + 611556
29  XUL                           	0x000000010023b9e5 mozilla::layers::LayerUserData::~LayerUserData() + 618757
30  XUL                           	0x00000001002358d9 mozilla::layers::LayerUserData::~LayerUserData() + 593913
31  XUL                           	0x000000010023829b mozilla::layers::LayerUserData::~LayerUserData() + 604603
32  XUL                           	0x0000000100238bc9 mozilla::layers::LayerUserData::~LayerUserData() + 606953
33  XUL                           	0x0000000100239dc4 mozilla::layers::LayerUserData::~LayerUserData() + 611556
34  XUL                           	0x000000010023b9e5 mozilla::layers::LayerUserData::~LayerUserData() + 618757
35  XUL                           	0x00000001002358d9 mozilla::layers::LayerUserData::~LayerUserData() + 593913
36  XUL                           	0x000000010023829b mozilla::layers::LayerUserData::~LayerUserData() + 604603
37  XUL                           	0x0000000100238bc9 mozilla::layers::LayerUserData::~LayerUserData() + 606953
38  XUL                           	0x0000000100239dc4 mozilla::layers::LayerUserData::~LayerUserData() + 611556
39  XUL                           	0x000000010023b9e5 mozilla::layers::LayerUserData::~LayerUserData() + 618757
40  XUL                           	0x00000001002358d9 mozilla::layers::LayerUserData::~LayerUserData() + 593913
41  XUL                           	0x000000010023829b mozilla::layers::LayerUserData::~LayerUserData() + 604603
42  XUL                           	0x0000000100238bc9 mozilla::layers::LayerUserData::~LayerUserData() + 606953
43  XUL                           	0x0000000100239dc4 mozilla::layers::LayerUserData::~LayerUserData() + 611556
44  XUL                           	0x000000010023b9e5 mozilla::layers::LayerUserData::~LayerUserData() + 618757
45  XUL                           	0x00000001002358d9 mozilla::layers::LayerUserData::~LayerUserData() + 593913
46  XUL                           	0x000000010023829b mozilla::layers::LayerUserData::~LayerUserData() + 604603
47  XUL                           	0x0000000100238bc9 mozilla::layers::LayerUserData::~LayerUserData() + 606953
48  XUL                           	0x0000000100239dc4 mozilla::layers::LayerUserData::~LayerUserData() + 611556
49  XUL                           	0x000000010023b9e5 mozilla::layers::LayerUserData::~LayerUserData() + 618757
50  XUL                           	0x00000001002358d9 mozilla::layers::LayerUserData::~LayerUserData() + 593913
51  XUL                           	0x000000010023829b mozilla::layers::LayerUserData::~LayerUserData() + 604603
52  XUL                           	0x0000000100238bc9 mozilla::layers::LayerUserData::~LayerUserData() + 606953
53  XUL                           	0x0000000100239dc4 mozilla::layers::LayerUserData::~LayerUserData() + 611556
54  XUL                           	0x000000010023b9e5 mozilla::layers::LayerUserData::~LayerUserData() + 618757
55  XUL                           	0x00000001002358d9 mozilla::layers::LayerUserData::~LayerUserData() + 593913
56  XUL                           	0x000000010023829b mozilla::layers::LayerUserData::~LayerUserData() + 604603
57  XUL                           	0x0000000100238bc9 mozilla::layers::LayerUserData::~LayerUserData() + 606953
58  XUL                           	0x0000000100239dc4 mozilla::layers::LayerUserData::~LayerUserData() + 611556
59  XUL                           	0x000000010023b9e5 mozilla::layers::LayerUserData::~LayerUserData() + 618757
60  XUL                           	0x00000001002358d9 mozilla::layers::LayerUserData::~LayerUserData() + 593913
61  XUL                           	0x000000010023829b mozilla::layers::LayerUserData::~LayerUserData() + 604603
62  XUL                           	0x0000000100238bc9 mozilla::layers::LayerUserData::~LayerUserData() + 606953
63  XUL                           	0x0000000100239dc4 mozilla::layers::LayerUserData::~LayerUserData() + 611556
64  XUL                           	0x000000010023b9e5 mozilla::layers::LayerUserData::~LayerUserData() + 618757
65  XUL                           	0x00000001002358d9 mozilla::layers::LayerUserData::~LayerUserData() + 593913
66  XUL                           	0x000000010023829b mozilla::layers::LayerUserData::~LayerUserData() + 604603
67  XUL                           	0x0000000100238bc9 mozilla::layers::LayerUserData::~LayerUserData() + 606953
68  XUL                           	0x0000000100239dc4 mozilla::layers::LayerUserData::~LayerUserData() + 611556
69  XUL                           	0x000000010023b9e5 mozilla::layers::LayerUserData::~LayerUserData() + 618757
70  XUL                           	0x00000001002358d9 mozilla::layers::LayerUserData::~LayerUserData() + 593913
71  XUL                           	0x000000010023829b mozilla::layers::LayerUserData::~LayerUserData() + 604603
72  XUL                           	0x0000000100238bc9 mozilla::layers::LayerUserData::~LayerUserData() + 606953
73  XUL                           	0x0000000100239dc4 mozilla::layers::LayerUserData::~LayerUserData() + 611556
74  XUL                           	0x000000010023b9e5 mozilla::layers::LayerUserData::~LayerUserData() + 618757
75  XUL                           	0x00000001002358d9 mozilla::layers::LayerUserData::~LayerUserData() + 593913
76  XUL                           	0x000000010023829b mozilla::layers::LayerUserData::~LayerUserData() + 604603
77  XUL                           	0x0000000100238bc9 mozilla::layers::LayerUserData::~LayerUserData() + 606953
78  XUL                           	0x0000000100239dc4 mozilla::layers::LayerUserData::~LayerUserData() + 611556
79  XUL                           	0x000000010023b9e5 mozilla::layers::LayerUserData::~LayerUserData() + 618757
80  XUL                           	0x00000001002304fc mozilla::layers::LayerUserData::~LayerUserData() + 572444
81  XUL                           	0x000000010023dc04 mozilla::layers::LayerUserData::~LayerUserData() + 627492
82  XUL                           	0x000000010023debd mozilla::layers::LayerUserData::~LayerUserData() + 628189
83  XUL                           	0x000000010027fb2a mozilla::layers::LayerUserData::~LayerUserData() + 897610
84  XUL                           	0x0000000100231860 mozilla::layers::LayerUserData::~LayerUserData() + 577408
85  XUL                           	0x0000000100237a4d mozilla::layers::LayerUserData::~LayerUserData() + 602477
86  XUL                           	0x00000001002380df mozilla::layers::LayerUserData::~LayerUserData() + 604159
87  XUL                           	0x00000001002383ae mozilla::layers::LayerUserData::~LayerUserData() + 604878
88  XUL                           	0x0000000100238bc9 mozilla::layers::LayerUserData::~LayerUserData() + 606953
89  XUL                           	0x0000000100239dc4 mozilla::layers::LayerUserData::~LayerUserData() + 611556
90  XUL                           	0x000000010023b9e5 mozilla::layers::LayerUserData::~LayerUserData() + 618757
91  XUL                           	0x00000001002358d9 mozilla::layers::LayerUserData::~LayerUserData() + 593913
92  XUL                           	0x000000010023829b mozilla::layers::LayerUserData::~LayerUserData() + 604603
93  XUL                           	0x0000000100238bc9 mozilla::layers::LayerUserData::~LayerUserData() + 606953
94  XUL                           	0x0000000100239dc4 mozilla::layers::LayerUserData::~LayerUserData() + 611556
95  XUL                           	0x000000010024514a mozilla::layers::LayerUserData::~LayerUserData() + 657514
96  XUL                           	0x0000000100260309 mozilla::layers::LayerUserData::~LayerUserData() + 768553
97  XUL                           	0x000000010026549b mozilla::layers::LayerUserData::~LayerUserData() + 789435
98  XUL                           	0x0000000100266bec mozilla::layers::LayerUserData::~LayerUserData() + 795404
99  XUL                           	0x000000010023b9e5 mozilla::layers::LayerUserData::~LayerUserData() + 618757
100 XUL                           	0x00000001002358d9 mozilla::layers::LayerUserData::~LayerUserData() + 593913
101 XUL                           	0x000000010023829b mozilla::layers::LayerUserData::~LayerUserData() + 604603
102 XUL                           	0x0000000100238bc9 mozilla::layers::LayerUserData::~LayerUserData() + 606953
103 XUL                           	0x0000000100239dc4 mozilla::layers::LayerUserData::~LayerUserData() + 611556
104 XUL                           	0x000000010023b9e5 mozilla::layers::LayerUserData::~LayerUserData() + 618757
105 XUL                           	0x00000001002358d9 mozilla::layers::LayerUserData::~LayerUserData() + 593913
106 XUL                           	0x000000010023829b mozilla::layers::LayerUserData::~LayerUserData() + 604603
107 XUL                           	0x0000000100238bc9 mozilla::layers::LayerUserData::~LayerUserData() + 606953
108 XUL                           	0x0000000100239dc4 mozilla::layers::LayerUserData::~LayerUserData() + 611556
109 XUL                           	0x000000010023b9e5 mozilla::layers::LayerUserData::~LayerUserData() + 618757
110 XUL                           	0x00000001002358d9 mozilla::layers::LayerUserData::~LayerUserData() + 593913
111 XUL                           	0x000000010023829b mozilla::layers::LayerUserData::~LayerUserData() + 604603
112 XUL                           	0x0000000100238bc9 mozilla::layers::LayerUserData::~LayerUserData() + 606953
113 XUL                           	0x0000000100239dc4 mozilla::layers::LayerUserData::~LayerUserData() + 611556
114 XUL                           	0x000000010023b9e5 mozilla::layers::LayerUserData::~LayerUserData() + 618757
115 XUL                           	0x00000001002358d9 mozilla::layers::LayerUserData::~LayerUserData() + 593913
116 XUL                           	0x000000010023829b mozilla::layers::LayerUserData::~LayerUserData() + 604603
117 XUL                           	0x0000000100238bc9 mozilla::layers::LayerUserData::~LayerUserData() + 606953
118 XUL                           	0x0000000100239dc4 mozilla::layers::LayerUserData::~LayerUserData() + 611556
119 XUL                           	0x000000010024514a mozilla::layers::LayerUserData::~LayerUserData() + 657514
120 XUL                           	0x000000010026d4db mozilla::layers::LayerUserData::~LayerUserData() + 822267
121 XUL                           	0x000000010024514a mozilla::layers::LayerUserData::~LayerUserData() + 657514
122 XUL                           	0x0000000100260309 mozilla::layers::LayerUserData::~LayerUserData() + 768553
123 XUL                           	0x000000010026549b mozilla::layers::LayerUserData::~LayerUserData() + 789435
124 XUL                           	0x0000000100266bec mozilla::layers::LayerUserData::~LayerUserData() + 795404
125 XUL                           	0x000000010024514a mozilla::layers::LayerUserData::~LayerUserData() + 657514
126 XUL                           	0x00000001002b6e83 mozilla::layers::ReadbackSink::~ReadbackSink() + 175907
127 XUL                           	0x00000001002056c3 mozilla::layers::LayerUserData::~LayerUserData() + 396771
128 XUL                           	0x000000010020b8ce mozilla::layers::LayerUserData::~LayerUserData() + 421870
129 XUL                           	0x000000010020bb2f mozilla::layers::LayerUserData::~LayerUserData() + 422479
130 XUL                           	0x00000001005ee95b mozilla::layers::ReadbackSink::~ReadbackSink() + 3549691
131 XUL                           	0x00000001005f29bb mozilla::layers::ReadbackSink::~ReadbackSink() + 3566171
132 XUL                           	0x00000001005ebe71 mozilla::layers::ReadbackSink::~ReadbackSink() + 3538705
133 XUL                           	0x0000000100c93735 JSD_DebuggerOnForUser + 1026421
134 XUL                           	0x0000000100c8d7e2 JSD_DebuggerOnForUser + 1002018
135 XUL                           	0x0000000100c9e657 JSD_DebuggerOnForUser + 1071255
136 com.apple.AppKit              	0x00007fff84863e19 -[NSView viewWillDraw] + 592
137 com.apple.AppKit              	0x00007fff84863e19 -[NSView viewWillDraw] + 592
138 com.apple.AppKit              	0x00007fff848633ca -[NSView _sendViewWillDrawInRect:clipRootView:suppressRecursion:] + 1252
139 com.apple.AppKit              	0x00007fff847deb5d -[NSView displayIfNeeded] + 908
140 com.apple.AppKit              	0x00007fff847d9a46 _handleWindowNeedsDisplay + 678
141 com.apple.CoreFoundation      	0x00007fff8674ab37 __CFRunLoopDoObservers + 519
142 com.apple.CoreFoundation      	0x00007fff86726464 __CFRunLoopRun + 468
143 com.apple.CoreFoundation      	0x00007fff86725dbf CFRunLoopRunSpecific + 575
144 com.apple.HIToolbox           	0x00007fff8117e93a RunCurrentEventLoopInMode + 333
145 com.apple.HIToolbox           	0x00007fff8117e69d ReceiveNextEventCommon + 148
146 com.apple.HIToolbox           	0x00007fff8117e5f8 BlockUntilNextEventMatchingListInMode + 59
147 com.apple.AppKit              	0x00007fff847aee64 _DPSNextEvent + 718
148 com.apple.AppKit              	0x00007fff847ae7a9 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 155
149 com.apple.AppKit              	0x00007fff8477448b -[NSApplication run] + 395
150 XUL                           	0x0000000100c8377d JSD_DebuggerOnForUser + 960957
151 XUL                           	0x0000000100aed044 js::JSProxyHandler::isOuterWindow() + 609332
152 XUL                           	0x0000000100016a6e XRE_main + 8574
153 org.mozilla.firefox           	0x0000000100001af7 start + 471
154 org.mozilla.firefox           	0x0000000100001954 start + 52

Thread 1:  Dispatch queue: com.apple.libdispatch-manager
0   libSystem.B.dylib             	0x00007fff85e5616a kevent + 10
1   libSystem.B.dylib             	0x00007fff85e5803d _dispatch_mgr_invoke + 154
2   libSystem.B.dylib             	0x00007fff85e57d14 _dispatch_queue_invoke + 185
3   libSystem.B.dylib             	0x00007fff85e5783e _dispatch_worker_thread2 + 252
4   libSystem.B.dylib             	0x00007fff85e57168 _pthread_wqthread + 353
5   libSystem.B.dylib             	0x00007fff85e57005 start_wqthread + 13

Thread 2:
0   libSystem.B.dylib             	0x00007fff85e3d2da mach_msg_trap + 10
1   libSystem.B.dylib             	0x00007fff85e3d94d mach_msg + 59
2   XUL                           	0x0000000100028dcf catch_exception_raise + 2031
3   libSystem.B.dylib             	0x00007fff85e76536 _pthread_start + 331
4   libSystem.B.dylib             	0x00007fff85e763e9 thread_start + 13

Thread 3:
0   libSystem.B.dylib             	0x00007fff85e5616a kevent + 10
1   XUL                           	0x0000000100e4f4ce nsXPTCStubBase::Stub249() + 144334
2   XUL                           	0x0000000100e4d7b9 nsXPTCStubBase::Stub249() + 136889
3   XUL                           	0x0000000100e5f9c6 nsXPTCStubBase::Stub249() + 211142
4   XUL                           	0x0000000100e55419 nsXPTCStubBase::Stub249() + 168729
5   XUL                           	0x0000000100e5ac23 nsXPTCStubBase::Stub249() + 191267
6   XUL                           	0x0000000100e6001a nsXPTCStubBase::Stub249() + 212762
7   libSystem.B.dylib             	0x00007fff85e76536 _pthread_start + 331
8   libSystem.B.dylib             	0x00007fff85e763e9 thread_start + 13

Thread 4:
0   libSystem.B.dylib             	0x00007fff85e77fca __semwait_signal + 10
1   libSystem.B.dylib             	0x00007fff85e7bde1 _pthread_cond_wait + 1286
2   libnspr4.dylib                	0x0000000101ad24cc PR_WaitCondVar + 268
3   XUL                           	0x0000000100e29e99 NS_CycleCollectorForget_P + 9257
4   XUL                           	0x0000000100e1a773 XRE_AddStaticComponent + 23475
5   XUL                           	0x0000000100dd66f9 nsPrintSession::Release() + 1118521
6   XUL                           	0x0000000100e1aa5d XRE_AddStaticComponent + 24221
7   libnspr4.dylib                	0x0000000101ad7b9e PR_JoinThread + 318
8   libSystem.B.dylib             	0x00007fff85e76536 _pthread_start + 331
9   libSystem.B.dylib             	0x00007fff85e763e9 thread_start + 13

Thread 5:
0   libSystem.B.dylib             	0x00007fff85e77fca __semwait_signal + 10
1   libSystem.B.dylib             	0x00007fff85e7bde1 _pthread_cond_wait + 1286
2   libnspr4.dylib                	0x0000000101ad170b PRP_NakedNotify + 203
3   libnspr4.dylib                	0x0000000101ad242d PR_WaitCondVar + 109
4   XUL                           	0x0000000100e1f0aa XRE_AddStaticComponent + 42218
5   XUL                           	0x0000000100e1a773 XRE_AddStaticComponent + 23475
6   XUL                           	0x0000000100dd66f9 nsPrintSession::Release() + 1118521
7   XUL                           	0x0000000100e1aa5d XRE_AddStaticComponent + 24221
8   libnspr4.dylib                	0x0000000101ad7b9e PR_JoinThread + 318
9   libSystem.B.dylib             	0x00007fff85e76536 _pthread_start + 331
10  libSystem.B.dylib             	0x00007fff85e763e9 thread_start + 13

Thread 6:
0   libSystem.B.dylib             	0x00007fff85e80e92 select$DARWIN_EXTSN + 10
1   libnspr4.dylib                	0x0000000101ad8d7b PR_Now + 1419
2   libnspr4.dylib                	0x0000000101ad3f61 PR_Poll + 465
3   XUL                           	0x000000010005c6e7 catch_exception_raise + 213255
4   XUL                           	0x000000010005d549 catch_exception_raise + 216937
5   XUL                           	0x000000010005da8d catch_exception_raise + 218285
6   XUL                           	0x0000000100e1a667 XRE_AddStaticComponent + 23207
7   XUL                           	0x0000000100dd66f9 nsPrintSession::Release() + 1118521
8   XUL                           	0x000000010005d0d5 catch_exception_raise + 215797
9   XUL                           	0x0000000100e1a773 XRE_AddStaticComponent + 23475
10  XUL                           	0x0000000100dd66f9 nsPrintSession::Release() + 1118521
11  XUL                           	0x0000000100e1aa5d XRE_AddStaticComponent + 24221
12  libnspr4.dylib                	0x0000000101ad7b9e PR_JoinThread + 318
13  libSystem.B.dylib             	0x00007fff85e76536 _pthread_start + 331
14  libSystem.B.dylib             	0x00007fff85e763e9 thread_start + 13

Thread 7:
0   libSystem.B.dylib             	0x00007fff85e77fca __semwait_signal + 10
1   libSystem.B.dylib             	0x00007fff85e7bde1 _pthread_cond_wait + 1286
2   libnspr4.dylib                	0x0000000101ad24cc PR_WaitCondVar + 268
3   XUL                           	0x0000000100fb8c77 js::GCHelperThread::replenishAndFreeLater(void*) + 2215
4   libnspr4.dylib                	0x0000000101ad7b9e PR_JoinThread + 318
5   libSystem.B.dylib             	0x00007fff85e76536 _pthread_start + 331
6   libSystem.B.dylib             	0x00007fff85e763e9 thread_start + 13

Thread 8:
0   libSystem.B.dylib             	0x00007fff85e77fca __semwait_signal + 10
1   libSystem.B.dylib             	0x00007fff85e7bde1 _pthread_cond_wait + 1286
2   libnspr4.dylib                	0x0000000101ad170b PRP_NakedNotify + 203
3   libnspr4.dylib                	0x0000000101ad242d PR_WaitCondVar + 109
4   XUL                           	0x0000000100987f19 DumpJSValue + 113897
5   libnspr4.dylib                	0x0000000101ad7b9e PR_JoinThread + 318
6   libSystem.B.dylib             	0x00007fff85e76536 _pthread_start + 331
7   libSystem.B.dylib             	0x00007fff85e763e9 thread_start + 13

Thread 9:
0   libSystem.B.dylib             	0x00007fff85e77fca __semwait_signal + 10
1   libSystem.B.dylib             	0x00007fff85e7bde1 _pthread_cond_wait + 1286
2   libnspr4.dylib                	0x0000000101ad24cc PR_WaitCondVar + 268
3   libnspr4.dylib                	0x0000000101ad2537 PR_Wait + 71
4   XUL                           	0x0000000100e196c7 XRE_AddStaticComponent + 19207
5   XUL                           	0x0000000100e1a751 XRE_AddStaticComponent + 23441
6   XUL                           	0x0000000100dd66f9 nsPrintSession::Release() + 1118521
7   XUL                           	0x0000000100e1aa5d XRE_AddStaticComponent + 24221
8   libnspr4.dylib                	0x0000000101ad7b9e PR_JoinThread + 318
9   libSystem.B.dylib             	0x00007fff85e76536 _pthread_start + 331
10  libSystem.B.dylib             	0x00007fff85e763e9 thread_start + 13

Thread 10:
0   libSystem.B.dylib             	0x00007fff85e77fca __semwait_signal + 10
1   libSystem.B.dylib             	0x00007fff85e7bde1 _pthread_cond_wait + 1286
2   libnspr4.dylib                	0x0000000101ad24cc PR_WaitCondVar + 268
3   XUL                           	0x0000000100b1d8ac js::JSProxyHandler::isOuterWindow() + 808092
4   libnspr4.dylib                	0x0000000101ad7b9e PR_JoinThread + 318
5   libSystem.B.dylib             	0x00007fff85e76536 _pthread_start + 331
6   libSystem.B.dylib             	0x00007fff85e763e9 thread_start + 13

Thread 11:
0   libSystem.B.dylib             	0x00007fff85e77fca __semwait_signal + 10
1   libSystem.B.dylib             	0x00007fff85e7bde1 _pthread_cond_wait + 1286
2   libnspr4.dylib                	0x0000000101ad24cc PR_WaitCondVar + 268
3   XUL                           	0x0000000100b1ef4e js::JSProxyHandler::isOuterWindow() + 813886
4   libnspr4.dylib                	0x0000000101ad7b9e PR_JoinThread + 318
5   libSystem.B.dylib             	0x00007fff85e76536 _pthread_start + 331
6   libSystem.B.dylib             	0x00007fff85e763e9 thread_start + 13

Thread 12:
0   libSystem.B.dylib             	0x00007fff85e77fca __semwait_signal + 10
1   libSystem.B.dylib             	0x00007fff85e7bde1 _pthread_cond_wait + 1286
2   libnspr4.dylib                	0x0000000101ad24cc PR_WaitCondVar + 268
3   libnspr4.dylib                	0x0000000101ad2537 PR_Wait + 71
4   XUL                           	0x0000000100e196c7 XRE_AddStaticComponent + 19207
5   XUL                           	0x0000000100e1a751 XRE_AddStaticComponent + 23441
6   XUL                           	0x0000000100dd66f9 nsPrintSession::Release() + 1118521
7   XUL                           	0x0000000100e1aa5d XRE_AddStaticComponent + 24221
8   libnspr4.dylib                	0x0000000101ad7b9e PR_JoinThread + 318
9   libSystem.B.dylib             	0x00007fff85e76536 _pthread_start + 331
10  libSystem.B.dylib             	0x00007fff85e763e9 thread_start + 13

Thread 13:
0   libSystem.B.dylib             	0x00007fff85e77fca __semwait_signal + 10
1   libSystem.B.dylib             	0x00007fff85e7bde1 _pthread_cond_wait + 1286
2   libnspr4.dylib                	0x0000000101ad24cc PR_WaitCondVar + 268
3   libnspr4.dylib                	0x0000000101ad2537 PR_Wait + 71
4   XUL                           	0x0000000100e196c7 XRE_AddStaticComponent + 19207
5   XUL                           	0x0000000100e1a751 XRE_AddStaticComponent + 23441
6   XUL                           	0x0000000100dd66f9 nsPrintSession::Release() + 1118521
7   XUL                           	0x0000000100e1aa5d XRE_AddStaticComponent + 24221
8   libnspr4.dylib                	0x0000000101ad7b9e PR_JoinThread + 318
9   libSystem.B.dylib             	0x00007fff85e76536 _pthread_start + 331
10  libSystem.B.dylib             	0x00007fff85e763e9 thread_start + 13

Thread 14:
0   libSystem.B.dylib             	0x00007fff85e77fca __semwait_signal + 10
1   libSystem.B.dylib             	0x00007fff85e7bde1 _pthread_cond_wait + 1286
2   libnspr4.dylib                	0x0000000101ad24cc PR_WaitCondVar + 268
3   libnspr4.dylib                	0x0000000101ad2537 PR_Wait + 71
4   XUL                           	0x0000000100e196c7 XRE_AddStaticComponent + 19207
5   XUL                           	0x0000000100e1a751 XRE_AddStaticComponent + 23441
6   XUL                           	0x0000000100dd66f9 nsPrintSession::Release() + 1118521
7   XUL                           	0x0000000100e1aa5d XRE_AddStaticComponent + 24221
8   libnspr4.dylib                	0x0000000101ad7b9e PR_JoinThread + 318
9   libSystem.B.dylib             	0x00007fff85e76536 _pthread_start + 331
10  libSystem.B.dylib             	0x00007fff85e763e9 thread_start + 13

Thread 15:
0   libSystem.B.dylib             	0x00007fff85e77fca __semwait_signal + 10
1   libSystem.B.dylib             	0x00007fff85e7bde1 _pthread_cond_wait + 1286
2   libnspr4.dylib                	0x0000000101ad24cc PR_WaitCondVar + 268
3   libnspr4.dylib                	0x0000000101ad2537 PR_Wait + 71
4   XUL                           	0x0000000100e196c7 XRE_AddStaticComponent + 19207
5   XUL                           	0x0000000100e1a751 XRE_AddStaticComponent + 23441
6   XUL                           	0x0000000100dd66f9 nsPrintSession::Release() + 1118521
7   XUL                           	0x0000000100e1aa5d XRE_AddStaticComponent + 24221
8   libnspr4.dylib                	0x0000000101ad7b9e PR_JoinThread + 318
9   libSystem.B.dylib             	0x00007fff85e76536 _pthread_start + 331
10  libSystem.B.dylib             	0x00007fff85e763e9 thread_start + 13

Thread 16:
0   libSystem.B.dylib             	0x00007fff85e77fca __semwait_signal + 10
1   libSystem.B.dylib             	0x00007fff85e7bde1 _pthread_cond_wait + 1286
2   libnspr4.dylib                	0x0000000101ad170b PRP_NakedNotify + 203
3   libnspr4.dylib                	0x0000000101ad242d PR_WaitCondVar + 109
4   XUL                           	0x0000000100068da4 catch_exception_raise + 264132
5   XUL                           	0x00000001000694bb catch_exception_raise + 265947
6   libnspr4.dylib                	0x0000000101ad7b9e PR_JoinThread + 318
7   libSystem.B.dylib             	0x00007fff85e76536 _pthread_start + 331
8   libSystem.B.dylib             	0x00007fff85e763e9 thread_start + 13

Thread 17:
0   libSystem.B.dylib             	0x00007fff85e77fca __semwait_signal + 10
1   libSystem.B.dylib             	0x00007fff85e7bde1 _pthread_cond_wait + 1286
2   libnspr4.dylib                	0x0000000101ad170b PRP_NakedNotify + 203
3   libnspr4.dylib                	0x0000000101ad242d PR_WaitCondVar + 109
4   XUL                           	0x0000000100068da4 catch_exception_raise + 264132
5   XUL                           	0x00000001000694bb catch_exception_raise + 265947
6   libnspr4.dylib                	0x0000000101ad7b9e PR_JoinThread + 318
7   libSystem.B.dylib             	0x00007fff85e76536 _pthread_start + 331
8   libSystem.B.dylib             	0x00007fff85e763e9 thread_start + 13

Thread 18:
0   libSystem.B.dylib             	0x00007fff85e77fca __semwait_signal + 10
1   libSystem.B.dylib             	0x00007fff85e7bde1 _pthread_cond_wait + 1286
2   libnspr4.dylib                	0x0000000101ad24cc PR_WaitCondVar + 268
3   libnspr4.dylib                	0x0000000101ad2537 PR_Wait + 71
4   XUL                           	0x0000000100e196c7 XRE_AddStaticComponent + 19207
5   XUL                           	0x0000000100e1a751 XRE_AddStaticComponent + 23441
6   XUL                           	0x0000000100dd66f9 nsPrintSession::Release() + 1118521
7   XUL                           	0x0000000100e1aa5d XRE_AddStaticComponent + 24221
8   libnspr4.dylib                	0x0000000101ad7b9e PR_JoinThread + 318
9   libSystem.B.dylib             	0x00007fff85e76536 _pthread_start + 331
10  libSystem.B.dylib             	0x00007fff85e763e9 thread_start + 13

Thread 19:
0   libSystem.B.dylib             	0x00007fff85e77fca __semwait_signal + 10
1   libSystem.B.dylib             	0x00007fff85e7bde1 _pthread_cond_wait + 1286
2   libnspr4.dylib                	0x0000000101ad24cc PR_WaitCondVar + 268
3   libnspr4.dylib                	0x0000000101ad2537 PR_Wait + 71
4   XUL                           	0x0000000100e196c7 XRE_AddStaticComponent + 19207
5   XUL                           	0x0000000100e1a751 XRE_AddStaticComponent + 23441
6   XUL                           	0x0000000100dd66f9 nsPrintSession::Release() + 1118521
7   XUL                           	0x0000000100e1aa5d XRE_AddStaticComponent + 24221
8   libnspr4.dylib                	0x0000000101ad7b9e PR_JoinThread + 318
9   libSystem.B.dylib             	0x00007fff85e76536 _pthread_start + 331
10  libSystem.B.dylib             	0x00007fff85e763e9 thread_start + 13

Thread 20:
0   libSystem.B.dylib             	0x00007fff85e77fca __semwait_signal + 10
1   libSystem.B.dylib             	0x00007fff85e7bde1 _pthread_cond_wait + 1286
2   libnspr4.dylib                	0x0000000101ad24cc PR_WaitCondVar + 268
3   libnspr4.dylib                	0x0000000101ad2537 PR_Wait + 71
4   XUL                           	0x0000000100e196c7 XRE_AddStaticComponent + 19207
5   XUL                           	0x0000000100e1a751 XRE_AddStaticComponent + 23441
6   XUL                           	0x0000000100dd66f9 nsPrintSession::Release() + 1118521
7   XUL                           	0x0000000100e1aa5d XRE_AddStaticComponent + 24221
8   libnspr4.dylib                	0x0000000101ad7b9e PR_JoinThread + 318
9   libSystem.B.dylib             	0x00007fff85e76536 _pthread_start + 331
10  libSystem.B.dylib             	0x00007fff85e763e9 thread_start + 13

Thread 21:
0   libSystem.B.dylib             	0x00007fff85e77fca __semwait_signal + 10
1   libSystem.B.dylib             	0x00007fff85e7bde1 _pthread_cond_wait + 1286
2   libnspr4.dylib                	0x0000000101ad170b PRP_NakedNotify + 203
3   libnspr4.dylib                	0x0000000101ad242d PR_WaitCondVar + 109
4   libnspr4.dylib                	0x0000000101ad2537 PR_Wait + 71
5   XUL                           	0x0000000100e1cd15 XRE_AddStaticComponent + 33109
6   XUL                           	0x0000000100e1a773 XRE_AddStaticComponent + 23475
7   XUL                           	0x0000000100dd66f9 nsPrintSession::Release() + 1118521
8   XUL                           	0x0000000100e1aa5d XRE_AddStaticComponent + 24221
9   libnspr4.dylib                	0x0000000101ad7b9e PR_JoinThread + 318
10  libSystem.B.dylib             	0x00007fff85e76536 _pthread_start + 331
11  libSystem.B.dylib             	0x00007fff85e763e9 thread_start + 13

Thread 22:
0   libSystem.B.dylib             	0x00007fff85e77fca __semwait_signal + 10
1   libSystem.B.dylib             	0x00007fff85e7bde1 _pthread_cond_wait + 1286
2   libnspr4.dylib                	0x0000000101ad170b PRP_NakedNotify + 203
3   libnspr4.dylib                	0x0000000101ad242d PR_WaitCondVar + 109
4   XUL                           	0x0000000100068da4 catch_exception_raise + 264132
5   XUL                           	0x00000001000694bb catch_exception_raise + 265947
6   libnspr4.dylib                	0x0000000101ad7b9e PR_JoinThread + 318
7   libSystem.B.dylib             	0x00007fff85e76536 _pthread_start + 331
8   libSystem.B.dylib             	0x00007fff85e763e9 thread_start + 13

Thread 0 crashed with X86 Thread State (64-bit):
  rax: 0x0000000000000000  rbx: 0x0000000114506000  rcx: 0x00007fff5fbec688  rdx: 0x0000000000000000
  rdi: 0x00000000000004df  rsi: 0x0000000000000006  rbp: 0x00007fff5fbec6a0  rsp: 0x00007fff5fbec688
   r8: 0x0000000000000e03   r9: 0x0000000000000000  r10: 0x00007fff85e87656  r11: 0x0000000000000206
  r12: 0x0000000000000000  r13: 0x000000012d164618  r14: 0x0000000101d2c000  r15: 0x00000001145060c0
  rip: 0x00007fff85e8b616  rfl: 0x0000000000000206  cr2: 0x0000000114508000

Binary Images:
       0x100000000 -        0x100001fff +org.mozilla.firefox 4.0b12 (4.0b12) <C869F5F2-316C-20C7-1E98-714D9D5C60F8> /Volumes/Firefox/Firefox.app/Contents/MacOS/firefox-bin
       0x100004000 -        0x1017f3fe7 +XUL ??? (???) <57FFB8F9-0523-68D9-B455-4D687731F873> /Volumes/Firefox/Firefox.app/Contents/MacOS/XUL
       0x101a97000 -        0x101a98ff7 +libxpcom.dylib ??? (???) <7ACCCD1E-245E-8128-7DC5-FDE5F5893E07> /Volumes/Firefox/Firefox.app/Contents/MacOS/libxpcom.dylib
       0x101a9d000 -        0x101a9dfff +libmozalloc.dylib ??? (???) <67305764-2A6B-E491-106F-375937623C1B> /Volumes/Firefox/Firefox.app/Contents/MacOS/libmozalloc.dylib
       0x101aa0000 -        0x101aa9fff +libplds4.dylib ??? (???) <504AAB81-D5F8-956B-87D7-8E43DAE1F514> /Volumes/Firefox/Firefox.app/Contents/MacOS/libplds4.dylib
       0x101aac000 -        0x101ab6fff +libplc4.dylib ??? (???) <E27885A2-4E70-678C-1A5D-6093B15EA796> /Volumes/Firefox/Firefox.app/Contents/MacOS/libplc4.dylib
       0x101ab9000 -        0x101aeeff7 +libnspr4.dylib ??? (???) <B4E79666-DA67-2463-FD66-554E639310C7> /Volumes/Firefox/Firefox.app/Contents/MacOS/libnspr4.dylib
       0x101afc000 -        0x101b86fef +libmozsqlite3.dylib ??? (???) <75168435-5C8A-B462-4683-F2629ED61DFD> /Volumes/Firefox/Firefox.app/Contents/MacOS/libmozsqlite3.dylib
       0x101b8f000 -        0x101bacff7 +libsmime3.dylib ??? (???) <E86BEDB7-2E58-EA79-3D24-8C8C3A1620B2> /Volumes/Firefox/Firefox.app/Contents/MacOS/libsmime3.dylib
       0x101bba000 -        0x101bedfff +libssl3.dylib ??? (???) <4DB10B79-91E0-C5A7-34A0-99D8168CF7DD> /Volumes/Firefox/Firefox.app/Contents/MacOS/libssl3.dylib
       0x101bf8000 -        0x101cecff7 +libnss3.dylib ??? (???) <FCEA63B2-25BD-2E87-E3E8-693163DED6EC> /Volumes/Firefox/Firefox.app/Contents/MacOS/libnss3.dylib
       0x101d10000 -        0x101d20fff +libnssutil3.dylib ??? (???) <C9F89E4E-43F3-BFF2-1405-1EF8D9AD97CC> /Volumes/Firefox/Firefox.app/Contents/MacOS/libnssutil3.dylib
       0x102fcb000 -        0x102ff2fef +libbrowsercomps.dylib ??? (???) <7CD0449B-F072-DD3B-E517-EBB48587F71A> /Volumes/Firefox/Firefox.app/Contents/MacOS/components/libbrowsercomps.dylib
       0x1140a4000 -        0x1140cafff  GLRendererFloat ??? (???) <8256EA93-A236-8B55-F214-65896DDB7A0E> /System/Library/Frameworks/OpenGL.framework/Resources/GLRendererFloat.bundle/GLRendererFloat
       0x114200000 -        0x1144b8fff +libalerts_s.dylib ??? (???) <BF34A243-84A1-3FE2-F738-6D5097E32107> /Volumes/Firefox/Firefox.app/Contents/MacOS/components/libalerts_s.dylib
       0x1155d2000 -        0x1155f7fff +libnssdbm3.dylib ??? (???) <A8AA2D9A-75FC-45AE-889D-3F3251E74C6D> /Volumes/Firefox/Firefox.app/Contents/MacOS/libnssdbm3.dylib
       0x115800000 -        0x115991fef  GLEngine ??? (???) <AE898A2A-1C12-9FDB-455F-32601F030904> /System/Library/Frameworks/OpenGL.framework/Resources/GLEngine.bundle/GLEngine
       0x1159c2000 -        0x115de5fef  libclh.dylib 3.1.1 C  (3.1.1) <66455CD1-8C09-4A8F-EDA1-D4F2F30663F1> /System/Library/Extensions/GeForceGLDriver.bundle/Contents/MacOS/libclh.dylib
       0x117b47000 -        0x117b82fff +libsoftokn3.dylib ??? (???) <F91EF1EE-FA09-E9D3-1A53-E66339EBD292> /Volumes/Firefox/Firefox.app/Contents/MacOS/libsoftokn3.dylib
       0x117d00000 -        0x117d56fef +libfreebl3.dylib ??? (???) <D14E8505-8C7D-365A-AC0B-38B06894FAF8> /Volumes/Firefox/Firefox.app/Contents/MacOS/libfreebl3.dylib
       0x11d603000 -        0x11d651fff +libnssckbi.dylib ??? (???) <27C41CE4-C268-F3FD-2D8A-DCAAC2314D38> /Volumes/Firefox/Firefox.app/Contents/MacOS/libnssckbi.dylib
       0x200000000 -        0x200787fef  com.apple.GeForceGLDriver 1.6.26 (6.2.6) <BAAEDD99-82FA-2C7F-CD66-E0977C670CC5> /System/Library/Extensions/GeForceGLDriver.bundle/Contents/MacOS/GeForceGLDriver
    0x7fff5fc00000 -     0x7fff5fc3bdef  dyld 132.1 (???) <B536F2F1-9DF1-3B6C-1C2C-9075EA219A06> /usr/lib/dyld
    0x7fff80003000 -     0x7fff80055ff7  com.apple.HIServices 1.8.2 (???) <7C91D07D-FA20-0882-632F-0CAE4FAC2B79> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/HIServices.framework/Versions/A/HIServices
    0x7fff80056000 -     0x7fff80068fe7  libsasl2.2.dylib 3.15.0 (compatibility 3.0.0) <76B83C8D-8EFE-4467-0F75-275648AFED97> /usr/lib/libsasl2.2.dylib
    0x7fff8009d000 -     0x7fff800acfff  com.apple.opengl 1.6.12 (1.6.12) <DE3F0528-7759-CDFD-A2CF-C51D3C9C8B39> /System/Library/Frameworks/OpenGL.framework/Versions/A/OpenGL
    0x7fff800ad000 -     0x7fff800f7ff7  com.apple.Metadata 10.6.3 (507.15) <5170FCE0-ED6C-2E3E-AB28-1DDE3F628FC5> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/Metadata.framework/Versions/A/Metadata
    0x7fff800f8000 -     0x7fff800fcff7  libmathCommon.A.dylib 315.0.0 (compatibility 1.0.0) <95718673-FEEE-B6ED-B127-BCDBDB60D4E5> /usr/lib/system/libmathCommon.A.dylib
    0x7fff80122000 -     0x7fff80142ff7  com.apple.DirectoryService.Framework 3.6 (621.9) <FF6567B5-56BD-F3EC-E59D-1EC583C3CF73> /System/Library/Frameworks/DirectoryService.framework/Versions/A/DirectoryService
    0x7fff801a4000 -     0x7fff801b8ff7  com.apple.speech.synthesis.framework 3.10.35 (3.10.35) <621B7415-A0B9-07A7-F313-36BEEDD7B132> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/SpeechSynthesis.framework/Versions/A/SpeechSynthesis
    0x7fff801b9000 -     0x7fff808b606f  com.apple.CoreGraphics 1.545.0 (???) <356D59D6-1DD1-8BFF-F9B3-1CE51D2F1EC7> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/CoreGraphics.framework/Versions/A/CoreGraphics
    0x7fff80990000 -     0x7fff809cafff  libssl.0.9.8.dylib 0.9.8 (compatibility 0.9.8) <C7153747-50E3-32DA-426F-CC4C505D1D6C> /usr/lib/libssl.0.9.8.dylib
    0x7fff80a0d000 -     0x7fff80a23fef  libbsm.0.dylib ??? (???) <42D3023A-A1F7-4121-6417-FCC6B51B3E90> /usr/lib/libbsm.0.dylib
    0x7fff80bd6000 -     0x7fff80bdcff7  com.apple.DiskArbitration 2.3 (2.3) <857F6E43-1EF4-7D53-351B-10DE0A8F992A> /System/Library/Frameworks/DiskArbitration.framework/Versions/A/DiskArbitration
    0x7fff80bdd000 -     0x7fff80be4fff  com.apple.OpenDirectory 10.6 (10.6) <4200CFB0-DBA1-62B8-7C7C-91446D89551F> /System/Library/Frameworks/OpenDirectory.framework/Versions/A/OpenDirectory
    0x7fff80be5000 -     0x7fff80bf6ff7  libz.1.dylib 1.2.3 (compatibility 1.0.0) <FB5EE53A-0534-0FFA-B2ED-486609433717> /usr/lib/libz.1.dylib
    0x7fff80bf7000 -     0x7fff80c40fef  libGLU.dylib ??? (???) <CCE779A9-2467-A5AA-A558-691E43A1105F> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLU.dylib
    0x7fff80c41000 -     0x7fff80c46ff7  com.apple.CommonPanels 1.2.4 (91) <4D84803B-BD06-D80E-15AE-EFBE43F93605> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/CommonPanels.framework/Versions/A/CommonPanels
    0x7fff80c47000 -     0x7fff80d00fff  libsqlite3.dylib 9.6.0 (compatibility 9.0.0) <2C5ED312-E646-9ADE-73A9-6199A2A43150> /usr/lib/libsqlite3.dylib
    0x7fff80db4000 -     0x7fff8103afff  com.apple.security 6.1.1 (37594) <1B4E1ABD-1BB3-DA49-F574-0EEB23E73C6A> /System/Library/Frameworks/Security.framework/Versions/A/Security
    0x7fff8103b000 -     0x7fff8103cff7  com.apple.audio.units.AudioUnit 1.6.5 (1.6.5) <14F14B5E-9287-BC36-0C3F-6592E6696CD4> /System/Library/Frameworks/AudioUnit.framework/Versions/A/AudioUnit
    0x7fff8103d000 -     0x7fff81089fff  libauto.dylib ??? (???) <F7221B46-DC4F-3153-CE61-7F52C8C293CF> /usr/lib/libauto.dylib
    0x7fff8108a000 -     0x7fff8112afff  com.apple.LaunchServices 362.2 (362.2) <A8EDC37C-1D40-5ED0-49BE-90EF110A6B3A> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/LaunchServices.framework/Versions/A/LaunchServices
    0x7fff8112b000 -     0x7fff8114cfff  libresolv.9.dylib 41.0.0 (compatibility 1.0.0) <6993F348-428F-C97E-7A84-7BD2EDC46A62> /usr/lib/libresolv.9.dylib
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    0x7fff88be6000 -     0x7fff88f83fe7  com.apple.QuartzCore 1.6.3 (227.34) <215222AF-B30A-7CE5-C46C-1A766C1D1D2E> /System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore
    0x7fff88f84000 -     0x7fff88f85fff  liblangid.dylib ??? (???) <EA4D1607-2BD5-2EE2-2A3B-632EEE5A444D> /usr/lib/liblangid.dylib
    0x7fff88f8b000 -     0x7fff88f9cfff  com.apple.DSObjCWrappers.Framework 10.6 (134) <3C08225D-517E-2822-6152-F6EB13A4ADF9> /System/Library/PrivateFrameworks/DSObjCWrappers.framework/Versions/A/DSObjCWrappers
    0x7fff88f9d000 -     0x7fff88fa0ff7  libCoreVMClient.dylib ??? (???) <609598E6-195D-E5D4-3B92-AE8D9768829C> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libCoreVMClient.dylib
    0x7fff89025000 -     0x7fff890aaff7  com.apple.print.framework.PrintCore 6.3 (312.7) <CDFE82DD-D811-A091-179F-6E76069B432D> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/PrintCore.framework/Versions/A/PrintCore
    0x7fff890ab000 -     0x7fff89190fef  com.apple.DesktopServices 1.5.9 (1.5.9) <27890B2C-0CD2-7C27-9D0C-D5952C5E8438> /System/Library/PrivateFrameworks/DesktopServicesPriv.framework/Versions/A/DesktopServicesPriv
    0x7fffffe00000 -     0x7fffffe01fff  libSystem.B.dylib ??? (???) <71E6D4C9-F945-6EC2-998C-D61AD590DAB6> /usr/lib/libSystem.B.dylib

Model: MacBook5,1, BootROM MB51.007D.B03, 2 processors, Intel Core 2 Duo, 2 GHz, 2 GB, SMC 1.32f8
Graphics: NVIDIA GeForce 9400M, NVIDIA GeForce 9400M, PCI, 256 MB
Memory Module: global_name
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x8D), Broadcom BCM43xx 1.0 (5.10.131.36.1)
Bluetooth: Version 2.3.8f7, 2 service, 12 devices, 1 incoming serial ports
Network Service: AirPort, AirPort, en1
Serial ATA Device: FUJITSU MHZ2160BH FFS G1, 149.05 GB
Serial ATA Device: HL-DT-ST DVDRW  GS21N
USB Device: USB Mass Storage Device, 0x0117, 0x0117, 0x24100000
USB Device: Built-in iSight, 0x05ac  (Apple Inc.), 0x8507, 0x24400000
USB Device: Apple Internal Keyboard / Trackpad, 0x05ac  (Apple Inc.), 0x0236, 0x04600000
USB Device: IR Receiver, 0x05ac  (Apple Inc.), 0x8242, 0x04500000
USB Device: BRCM2046 Hub, 0x0a5c  (Broadcom Corp.), 0x4500, 0x06100000
USB Device: Bluetooth USB Host Controller, 0x05ac  (Apple Inc.), 0x8213, 0x06110000


Reproducible: Always

Steps to Reproduce:
While *signed in* and scrolling fast down this page http://twitter.com/Reteris FF4 crashed 4 times in a row.

If I do it again it will crash again, I'm 100% certain. Four times in a row is enough IMO.

Actual Results:  
Crashes

Expected Results:  
Shouldn't

Lots of unicode modifier and joining characters on that page (and possibly other characters like Right-To-Left embedding etc)
Does the issue still occur if you start Firefox in Safe Mode? http://support.mozilla.com/en-US/kb/Safe+Mode

How about with a new, empty profile? http://support.mozilla.com/en-US/kb/Basic+Troubleshooting#Make_a_new_profile

Does the issue occur with the latest nightly? http://nightly.mozilla.org/
Version: unspecified → Trunk
Component: General → Layout: Text
Product: Firefox → Core
QA Contact: general → layout.fonts-and-text
YES TO ALL THREE QUESTIONS

Confirmed with Safe Mode and New Profile.

Confirmed with the Minefield nightly built right after having downloaded. 

The person owning that Twitter page must have tweeted a certain "problematic" character in one of his tweets because when you scroll down that page Firefox 4 seems to crash at the same place every time. 

I can't imagine how a unicode character or character sequence could crash the browser but that's all I can think of because it works fine on all other normal looking pages on twitter.com

Marc
Could you please try disabling any fonts you have installed locally (e.g. use Font Book.app to disable all "user fonts"), and see if that makes any difference? I have not yet been able to reproduce a crash here, and I wonder if it may be related to a specific font.
I checked and there are no fonts installed under the User view in Font Book.

The crash is repeatable on my 2007 13-inch Macbook w. INVIDIA GeForce 9500, OS X 10.6.6
(cont) 

and it happens regardless of whether i scroll down using tarckpad gestures or by holding down the mouse over the scroll bar and moving it downward. I crashed FF4 two or three times on that twitter page while verifying this.
Marc -> Are you still experiencing this issue with the latest version of Firefox 3.6.16? Does the issue occur with Firefox 4?
Closing bug as WFM - if you are still experiencing this issue or have more information to provide feel free to post back here and we can re-open the bug. You can also get assistance by visiting the Firefox help site -> http://support.mozilla.com/en-US/kb/Ask+a+question
Status: UNCONFIRMED → RESOLVED
Closed: 13 years ago
Resolution: --- → WORKSFORME
No, it still crashes with 4.01 

You go to the same twitter page originally indicated and you scroll on a Mac with the touch pad, up and down a few times, and keep going down, forcing Twitter to continuously load new parts of the page and at least on my machine it crashes FF4.01 every single time. 

Latest crash: 

Process:         firefox-bin [18252]
Path:            /Applications/Firefox.app/Contents/MacOS/firefox-bin
Identifier:      org.mozilla.firefox
Version:         4.0.1 (4.0.1)
Code Type:       X86-64 (Native)
Parent Process:  launchd [96]

Date/Time:       2011-06-10 09:08:36.372 -0700
OS Version:      Mac OS X 10.6.7 (10J4138)
Report Version:  6

Interval Since Last Report:          775617 sec
Crashes Since Last Report:           1
Per-App Interval Since Last Report:  759458 sec
Per-App Crashes Since Last Report:   1
Anonymous UUID:                      072A40BD-3127-4AF8-B4B9-D622FD99AC18

Exception Type:  EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Crashed Thread:  0  Dispatch queue: com.apple.main-thread

Application Specific Information:
*** error for object 0x137bf3758: incorrect checksum for freed object - object was probably modified after being freed.
 

Thread 0 Crashed:  Dispatch queue: com.apple.main-thread
0   libSystem.B.dylib             	0x00007fff83a175d6 __kill + 10
1   libSystem.B.dylib             	0x00007fff83ab7cde abort + 83
2   libSystem.B.dylib             	0x00007fff83aa6915 szone_error + 519
3   libSystem.B.dylib             	0x00007fff839cdf66 tiny_malloc_from_free_list + 715
4   libSystem.B.dylib             	0x00007fff839ccfdd szone_malloc_should_clear + 242
5   libSystem.B.dylib             	0x00007fff839d191c szone_realloc + 2116
6   libSystem.B.dylib             	0x00007fff839d109b malloc_zone_realloc + 92
7   libSystem.B.dylib             	0x00007fff839dd136 realloc + 169
8   libmozalloc.dylib             	0x0000000101aa7b7f moz_xrealloc + 31
9   XUL                           	0x00000001000442aa catch_exception_raise + 115386
10  XUL                           	0x0000000100e833df gfxTextRun::AllocateDetailedGlyphs(unsigned int, unsigned int) + 95
11  XUL                           	0x0000000100e83a17 gfxTextRun::SetGlyphs(unsigned int, gfxTextRun::CompressedGlyph, gfxTextRun::DetailedGlyph const*) + 103
12  XUL                           	0x0000000100e9e953 gfxUnicodeProperties::ScriptShapingLevel(int) + 6083
13  XUL                           	0x0000000100e9f013 gfxUnicodeProperties::ScriptShapingLevel(int) + 7811
14  XUL                           	0x0000000100e7c536 gfxFont::InitTextRun(gfxContext*, gfxTextRun*, unsigned short const*, unsigned int, unsigned int, int, int) + 246
15  XUL                           	0x0000000100ea7044 gfxPlatformMac::OptimizeImage(gfxImageSurface*, gfxASurface::gfxImageFormat) + 404
16  XUL                           	0x0000000100e7e1a5 gfxFont::SplitAndInitTextRun(gfxContext*, gfxTextRun*, unsigned short const*, unsigned int, unsigned int, int) + 389
17  XUL                           	0x0000000100e89054 gfxFontGroup::InitScriptRun(gfxContext*, gfxTextRun*, unsigned short const*, unsigned int, unsigned int, unsigned int, int) + 276
18  XUL                           	0x0000000100e8991a gfxFontGroup::InitTextRun(gfxContext*, gfxTextRun*, unsigned short const*, unsigned int) + 330
19  XUL                           	0x0000000100e89c35 gfxFontGroup::MakeTextRun(unsigned short const*, unsigned int, gfxTextRunFactory::Parameters const*, unsigned int) + 101
20  XUL                           	0x0000000100e9915e gfxTextRunWordCache::MakeTextRun(unsigned char const*, unsigned int, gfxFontGroup*, gfxTextRunFactory::Parameters const*, unsigned int) + 2382
21  XUL                           	0x00000001002aad59 mozilla::layers::ReadbackSink::~ReadbackSink() + 125977
22  XUL                           	0x00000001002aaf60 mozilla::layers::ReadbackSink::~ReadbackSink() + 126496
23  XUL                           	0x00000001002abcf4 mozilla::layers::ReadbackSink::~ReadbackSink() + 129972
24  XUL                           	0x00000001002adea7 mozilla::layers::ReadbackSink::~ReadbackSink() + 138599
25  XUL                           	0x000000010027f0f0 mozilla::layers::LayerUserData::~LayerUserData() + 895808
26  XUL                           	0x0000000100231950 mozilla::layers::LayerUserData::~LayerUserData() + 578464
27  XUL                           	0x0000000100237b2d mozilla::layers::LayerUserData::~LayerUserData() + 603517
28  XUL                           	0x00000001002381bf mozilla::layers::LayerUserData::~LayerUserData() + 605199
29  XUL                           	0x000000010023848e mozilla::layers::LayerUserData::~LayerUserData() + 605918
30  XUL                           	0x0000000100238ca9 mozilla::layers::LayerUserData::~LayerUserData() + 607993
31  XUL                           	0x0000000100239ea4 mozilla::layers::LayerUserData::~LayerUserData() + 612596
32  XUL                           	0x000000010023bac5 mozilla::layers::LayerUserData::~LayerUserData() + 619797
33  XUL                           	0x00000001002359b9 mozilla::layers::LayerUserData::~LayerUserData() + 594953
34  XUL                           	0x000000010023837b mozilla::layers::LayerUserData::~LayerUserData() + 605643
35  XUL                           	0x0000000100238ca9 mozilla::layers::LayerUserData::~LayerUserData() + 607993
36  XUL                           	0x0000000100239ea4 mozilla::layers::LayerUserData::~LayerUserData() + 612596
37  XUL                           	0x000000010023bac5 mozilla::layers::LayerUserData::~LayerUserData() + 619797
38  XUL                           	0x00000001002359b9 mozilla::layers::LayerUserData::~LayerUserData() + 594953
39  XUL                           	0x000000010023837b mozilla::layers::LayerUserData::~LayerUserData() + 605643
40  XUL                           	0x0000000100238ca9 mozilla::layers::LayerUserData::~LayerUserData() + 607993
41  XUL                           	0x0000000100239ea4 mozilla::layers::LayerUserData::~LayerUserData() + 612596
42  XUL                           	0x000000010023bac5 mozilla::layers::LayerUserData::~LayerUserData() + 619797
43  XUL                           	0x00000001002359b9 mozilla::layers::LayerUserData::~LayerUserData() + 594953
44  XUL                           	0x000000010023837b mozilla::layers::LayerUserData::~LayerUserData() + 605643
45  XUL                           	0x0000000100238ca9 mozilla::layers::LayerUserData::~LayerUserData() + 607993
46  XUL                           	0x0000000100239ea4 mozilla::layers::LayerUserData::~LayerUserData() + 612596
47  XUL                           	0x000000010023bac5 mozilla::layers::LayerUserData::~LayerUserData() + 619797
48  XUL                           	0x00000001002359b9 mozilla::layers::LayerUserData::~LayerUserData() + 594953
49  XUL                           	0x000000010023837b mozilla::layers::LayerUserData::~LayerUserData() + 605643
50  XUL                           	0x0000000100238ca9 mozilla::layers::LayerUserData::~LayerUserData() + 607993
51  XUL                           	0x0000000100239ea4 mozilla::layers::LayerUserData::~LayerUserData() + 612596
52  XUL                           	0x000000010023bac5 mozilla::layers::LayerUserData::~LayerUserData() + 619797
53  XUL                           	0x00000001002359b9 mozilla::layers::LayerUserData::~LayerUserData() + 594953
54  XUL                           	0x000000010023837b mozilla::layers::LayerUserData::~LayerUserData() + 605643
55  XUL                           	0x0000000100238ca9 mozilla::layers::LayerUserData::~LayerUserData() + 607993
56  XUL                           	0x0000000100239ea4 mozilla::layers::LayerUserData::~LayerUserData() + 612596
57  XUL                           	0x000000010023bac5 mozilla::layers::LayerUserData::~LayerUserData() + 619797
58  XUL                           	0x00000001002359b9 mozilla::layers::LayerUserData::~LayerUserData() + 594953
59  XUL                           	0x000000010023837b mozilla::layers::LayerUserData::~LayerUserData() + 605643
60  XUL                           	0x0000000100238ca9 mozilla::layers::LayerUserData::~LayerUserData() + 607993
61  XUL                           	0x0000000100239ea4 mozilla::layers::LayerUserData::~LayerUserData() + 612596
62  XUL                           	0x000000010023bac5 mozilla::layers::LayerUserData::~LayerUserData() + 619797
63  XUL                           	0x00000001002359b9 mozilla::layers::LayerUserData::~LayerUserData() + 594953
64  XUL                           	0x000000010023837b mozilla::layers::LayerUserData::~LayerUserData() + 605643
65  XUL                           	0x0000000100238ca9 mozilla::layers::LayerUserData::~LayerUserData() + 607993
66  XUL                           	0x0000000100239ea4 mozilla::layers::LayerUserData::~LayerUserData() + 612596
67  XUL                           	0x000000010023bac5 mozilla::layers::LayerUserData::~LayerUserData() + 619797
68  XUL                           	0x00000001002359b9 mozilla::layers::LayerUserData::~LayerUserData() + 594953
69  XUL                           	0x000000010023837b mozilla::layers::LayerUserData::~LayerUserData() + 605643
70  XUL                           	0x0000000100238ca9 mozilla::layers::LayerUserData::~LayerUserData() + 607993
71  XUL                           	0x0000000100239ea4 mozilla::layers::LayerUserData::~LayerUserData() + 612596
72  XUL                           	0x000000010023bac5 mozilla::layers::LayerUserData::~LayerUserData() + 619797
73  XUL                           	0x00000001002359b9 mozilla::layers::LayerUserData::~LayerUserData() + 594953
74  XUL                           	0x000000010023837b mozilla::layers::LayerUserData::~LayerUserData() + 605643
75  XUL                           	0x0000000100238ca9 mozilla::layers::LayerUserData::~LayerUserData() + 607993
76  XUL                           	0x0000000100239ea4 mozilla::layers::LayerUserData::~LayerUserData() + 612596
77  XUL                           	0x000000010023bac5 mozilla::layers::LayerUserData::~LayerUserData() + 619797
78  XUL                           	0x00000001002359b9 mozilla::layers::LayerUserData::~LayerUserData() + 594953
79  XUL                           	0x000000010023837b mozilla::layers::LayerUserData::~LayerUserData() + 605643
80  XUL                           	0x0000000100238ca9 mozilla::layers::LayerUserData::~LayerUserData() + 607993
81  XUL                           	0x0000000100239ea4 mozilla::layers::LayerUserData::~LayerUserData() + 612596
82  XUL                           	0x000000010023bac5 mozilla::layers::LayerUserData::~LayerUserData() + 619797
83  XUL                           	0x00000001002305ec mozilla::layers::LayerUserData::~LayerUserData() + 573500
84  XUL                           	0x000000010023dce4 mozilla::layers::LayerUserData::~LayerUserData() + 628532
85  XUL                           	0x000000010023df9d mozilla::layers::LayerUserData::~LayerUserData() + 629229
86  XUL                           	0x000000010027fd2a mozilla::layers::LayerUserData::~LayerUserData() + 898938
87  XUL                           	0x0000000100231950 mozilla::layers::LayerUserData::~LayerUserData() + 578464
88  XUL                           	0x0000000100237b2d mozilla::layers::LayerUserData::~LayerUserData() + 603517
89  XUL                           	0x00000001002381bf mozilla::layers::LayerUserData::~LayerUserData() + 605199
90  XUL                           	0x000000010023848e mozilla::layers::LayerUserData::~LayerUserData() + 605918
91  XUL                           	0x0000000100238ca9 mozilla::layers::LayerUserData::~LayerUserData() + 607993
92  XUL                           	0x0000000100239ea4 mozilla::layers::LayerUserData::~LayerUserData() + 612596
93  XUL                           	0x000000010023bac5 mozilla::layers::LayerUserData::~LayerUserData() + 619797
94  XUL                           	0x00000001002359b9 mozilla::layers::LayerUserData::~LayerUserData() + 594953
95  XUL                           	0x000000010023837b mozilla::layers::LayerUserData::~LayerUserData() + 605643
96  XUL                           	0x0000000100238ca9 mozilla::layers::LayerUserData::~LayerUserData() + 607993
97  XUL                           	0x0000000100239ea4 mozilla::layers::LayerUserData::~LayerUserData() + 612596
98  XUL                           	0x000000010024524a mozilla::layers::LayerUserData::~LayerUserData() + 658586
99  XUL                           	0x0000000100260449 mozilla::layers::LayerUserData::~LayerUserData() + 769689
100 XUL                           	0x00000001002655db mozilla::layers::LayerUserData::~LayerUserData() + 790571
101 XUL                           	0x0000000100266d2c mozilla::layers::LayerUserData::~LayerUserData() + 796540
102 XUL                           	0x000000010023bac5 mozilla::layers::LayerUserData::~LayerUserData() + 619797
103 XUL                           	0x00000001002359b9 mozilla::layers::LayerUserData::~LayerUserData() + 594953
104 XUL                           	0x000000010023837b mozilla::layers::LayerUserData::~LayerUserData() + 605643
105 XUL                           	0x0000000100238ca9 mozilla::layers::LayerUserData::~LayerUserData() + 607993
106 XUL                           	0x0000000100239ea4 mozilla::layers::LayerUserData::~LayerUserData() + 612596
107 XUL                           	0x000000010023bac5 mozilla::layers::LayerUserData::~LayerUserData() + 619797
108 XUL                           	0x00000001002359b9 mozilla::layers::LayerUserData::~LayerUserData() + 594953
109 XUL                           	0x000000010023837b mozilla::layers::LayerUserData::~LayerUserData() + 605643
110 XUL                           	0x0000000100238ca9 mozilla::layers::LayerUserData::~LayerUserData() + 607993
111 XUL                           	0x0000000100239ea4 mozilla::layers::LayerUserData::~LayerUserData() + 612596
112 XUL                           	0x000000010023bac5 mozilla::layers::LayerUserData::~LayerUserData() + 619797
113 XUL                           	0x00000001002359b9 mozilla::layers::LayerUserData::~LayerUserData() + 594953
114 XUL                           	0x000000010023837b mozilla::layers::LayerUserData::~LayerUserData() + 605643
115 XUL                           	0x0000000100238ca9 mozilla::layers::LayerUserData::~LayerUserData() + 607993
116 XUL                           	0x0000000100239ea4 mozilla::layers::LayerUserData::~LayerUserData() + 612596
117 XUL                           	0x000000010023bac5 mozilla::layers::LayerUserData::~LayerUserData() + 619797
118 XUL                           	0x00000001002359b9 mozilla::layers::LayerUserData::~LayerUserData() + 594953
119 XUL                           	0x000000010023837b mozilla::layers::LayerUserData::~LayerUserData() + 605643
120 XUL                           	0x0000000100238ca9 mozilla::layers::LayerUserData::~LayerUserData() + 607993
121 XUL                           	0x0000000100239ea4 mozilla::layers::LayerUserData::~LayerUserData() + 612596
122 XUL                           	0x000000010024524a mozilla::layers::LayerUserData::~LayerUserData() + 658586
123 XUL                           	0x000000010026d6db mozilla::layers::LayerUserData::~LayerUserData() + 823595
124 XUL                           	0x000000010024524a mozilla::layers::LayerUserData::~LayerUserData() + 658586
125 XUL                           	0x0000000100260449 mozilla::layers::LayerUserData::~LayerUserData() + 769689
126 XUL                           	0x00000001002655db mozilla::layers::LayerUserData::~LayerUserData() + 790571
127 XUL                           	0x0000000100266d2c mozilla::layers::LayerUserData::~LayerUserData() + 796540
128 XUL                           	0x000000010024524a mozilla::layers::LayerUserData::~LayerUserData() + 658586
129 XUL                           	0x00000001002b70d3 mozilla::layers::ReadbackSink::~ReadbackSink() + 176019
130 XUL                           	0x0000000100205663 mozilla::layers::LayerUserData::~LayerUserData() + 397491
131 XUL                           	0x000000010020b86e mozilla::layers::LayerUserData::~LayerUserData() + 422590
132 XUL                           	0x000000010020bacf mozilla::layers::LayerUserData::~LayerUserData() + 423199
133 XUL                           	0x0000000100210521 mozilla::layers::LayerUserData::~LayerUserData() + 442225
134 XUL                           	0x0000000100e25cf4 XRE_AddStaticComponent + 38596
135 XUL                           	0x0000000100e25de8 XRE_AddStaticComponent + 38840
136 XUL                           	0x0000000100e221e3 XRE_AddStaticComponent + 23475
137 XUL                           	0x0000000100dde24e nsPrintSession::Release() + 1132638
138 XUL                           	0x0000000100cbc78d JSD_DebuggerOnForUser + 1179197
139 XUL                           	0x0000000100c87ec7 JSD_DebuggerOnForUser + 963959
140 com.apple.CoreFoundation      	0x00007fff83442401 __CFRunLoopDoSources0 + 1361
141 com.apple.CoreFoundation      	0x00007fff834405f9 __CFRunLoopRun + 873
142 com.apple.CoreFoundation      	0x00007fff8343fdbf CFRunLoopRunSpecific + 575
143 com.apple.HIToolbox           	0x00007fff864ec74e RunCurrentEventLoopInMode + 333
144 com.apple.HIToolbox           	0x00007fff864ec553 ReceiveNextEventCommon + 310
145 com.apple.HIToolbox           	0x00007fff864ec40c BlockUntilNextEventMatchingListInMode + 59
146 com.apple.AppKit              	0x00007fff826a2e02 _DPSNextEvent + 708
147 com.apple.AppKit              	0x00007fff826a2751 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 155
148 com.apple.AppKit              	0x00007fff82668427 -[NSApplication run] + 395
149 XUL                           	0x0000000100c8778d JSD_DebuggerOnForUser + 962109
150 XUL                           	0x0000000100af0364 js::JSProxyHandler::isOuterWindow() + 609188
151 XUL                           	0x000000010001635e XRE_main + 8574
152 org.mozilla.firefox           	0x0000000100001af7 start + 471
153 org.mozilla.firefox           	0x0000000100001954 start + 52

Thread 1:  Dispatch queue: com.apple.libdispatch-manager
0   libSystem.B.dylib             	0x00007fff839e212a kevent + 10
1   libSystem.B.dylib             	0x00007fff839e3ffd _dispatch_mgr_invoke + 154
2   libSystem.B.dylib             	0x00007fff839e3cd4 _dispatch_queue_invoke + 185
3   libSystem.B.dylib             	0x00007fff839e37fe _dispatch_worker_thread2 + 252
4   libSystem.B.dylib             	0x00007fff839e3128 _pthread_wqthread + 353
5   libSystem.B.dylib             	0x00007fff839e2fc5 start_wqthread + 13

Thread 2:
0   libSystem.B.dylib             	0x00007fff839c929a mach_msg_trap + 10
1   libSystem.B.dylib             	0x00007fff839c990d mach_msg + 59
2   XUL                           	0x00000001000287df catch_exception_raise + 2031
3   libSystem.B.dylib             	0x00007fff83a024f6 _pthread_start + 331
4   libSystem.B.dylib             	0x00007fff83a023a9 thread_start + 13

Thread 3:
0   libSystem.B.dylib             	0x00007fff839e212a kevent + 10
1   XUL                           	0x0000000100e572fe nsXPTCStubBase::Stub249() + 145262
2   XUL                           	0x0000000100e555e9 nsXPTCStubBase::Stub249() + 137817
3   XUL                           	0x0000000100e677f6 nsXPTCStubBase::Stub249() + 212070
4   XUL                           	0x0000000100e5d249 nsXPTCStubBase::Stub249() + 169657
5   XUL                           	0x0000000100e62a53 nsXPTCStubBase::Stub249() + 192195
6   XUL                           	0x0000000100e67e4a nsXPTCStubBase::Stub249() + 213690
7   libSystem.B.dylib             	0x00007fff83a024f6 _pthread_start + 331
8   libSystem.B.dylib             	0x00007fff83a023a9 thread_start + 13

Thread 4:
0   libSystem.B.dylib             	0x00007fff83a03f8a __semwait_signal + 10
1   libSystem.B.dylib             	0x00007fff83a07da1 _pthread_cond_wait + 1286
2   libnspr4.dylib                	0x0000000101adc4cc PR_WaitCondVar + 268
3   XUL                           	0x0000000100e31739 NS_CycleCollectorSuspect2_P + 8713
4   XUL                           	0x0000000100e221e3 XRE_AddStaticComponent + 23475
5   XUL                           	0x0000000100dde169 nsPrintSession::Release() + 1132409
6   XUL                           	0x0000000100e224cd XRE_AddStaticComponent + 24221
7   libnspr4.dylib                	0x0000000101ae1b9e PR_JoinThread + 318
8   libSystem.B.dylib             	0x00007fff83a024f6 _pthread_start + 331
9   libSystem.B.dylib             	0x00007fff83a023a9 thread_start + 13

Thread 5:
0   libSystem.B.dylib             	0x00007fff83a03f8a __semwait_signal + 10
1   libSystem.B.dylib             	0x00007fff83a07da1 _pthread_cond_wait + 1286
2   libnspr4.dylib                	0x0000000101adb70b PRP_NakedNotify + 203
3   libnspr4.dylib                	0x0000000101adc42d PR_WaitCondVar + 109
4   XUL                           	0x0000000100e26b1a XRE_AddStaticComponent + 42218
5   XUL                           	0x0000000100e221e3 XRE_AddStaticComponent + 23475
6   XUL                           	0x0000000100dde169 nsPrintSession::Release() + 1132409
7   XUL                           	0x0000000100e224cd XRE_AddStaticComponent + 24221
8   libnspr4.dylib                	0x0000000101ae1b9e PR_JoinThread + 318
9   libSystem.B.dylib             	0x00007fff83a024f6 _pthread_start + 331
10  libSystem.B.dylib             	0x00007fff83a023a9 thread_start + 13

Thread 6:
0   libSystem.B.dylib             	0x00007fff83a0ce52 select$DARWIN_EXTSN + 10
1   libnspr4.dylib                	0x0000000101ae2d7b PR_Now + 1419
2   libnspr4.dylib                	0x0000000101addf61 PR_Poll + 465
3   XUL                           	0x000000010005c0f7 catch_exception_raise + 213255
4   XUL                           	0x000000010005cf59 catch_exception_raise + 216937
5   XUL                           	0x000000010005d49d catch_exception_raise + 218285
6   XUL                           	0x0000000100e220d7 XRE_AddStaticComponent + 23207
7   XUL                           	0x0000000100dde169 nsPrintSession::Release() + 1132409
8   XUL                           	0x000000010005cae5 catch_exception_raise + 215797
9   XUL                           	0x0000000100e221e3 XRE_AddStaticComponent + 23475
10  XUL                           	0x0000000100dde169 nsPrintSession::Release() + 1132409
11  XUL                           	0x0000000100e224cd XRE_AddStaticComponent + 24221
12  libnspr4.dylib                	0x0000000101ae1b9e PR_JoinThread + 318
13  libSystem.B.dylib             	0x00007fff83a024f6 _pthread_start + 331
14  libSystem.B.dylib             	0x00007fff83a023a9 thread_start + 13

Thread 7:
0   libSystem.B.dylib             	0x00007fff83a03f8a __semwait_signal + 10
1   libSystem.B.dylib             	0x00007fff83a07da1 _pthread_cond_wait + 1286
2   libnspr4.dylib                	0x0000000101adc4cc PR_WaitCondVar + 268
3   XUL                           	0x0000000100fc1587 js::GCHelperThread::replenishAndFreeLater(void*) + 2215
4   libnspr4.dylib                	0x0000000101ae1b9e PR_JoinThread + 318
5   libSystem.B.dylib             	0x00007fff83a024f6 _pthread_start + 331
6   libSystem.B.dylib             	0x00007fff83a023a9 thread_start + 13

Thread 8:
0   libSystem.B.dylib             	0x00007fff83a03f8a __semwait_signal + 10
1   libSystem.B.dylib             	0x00007fff83a07da1 _pthread_cond_wait + 1286
2   libnspr4.dylib                	0x0000000101adb70b PRP_NakedNotify + 203
3   libnspr4.dylib                	0x0000000101adc42d PR_WaitCondVar + 109
4   XUL                           	0x000000010098b299 DumpJSValue + 112649
5   libnspr4.dylib                	0x0000000101ae1b9e PR_JoinThread + 318
6   libSystem.B.dylib             	0x00007fff83a024f6 _pthread_start + 331
7   libSystem.B.dylib             	0x00007fff83a023a9 thread_start + 13

Thread 9:
0   libSystem.B.dylib             	0x00007fff83a03f8a __semwait_signal + 10
1   libSystem.B.dylib             	0x00007fff83a07da1 _pthread_cond_wait + 1286
2   libnspr4.dylib                	0x0000000101adc4cc PR_WaitCondVar + 268
3   XUL                           	0x0000000100b20bcc js::JSProxyHandler::isOuterWindow() + 807948
4   libnspr4.dylib                	0x0000000101ae1b9e PR_JoinThread + 318
5   libSystem.B.dylib             	0x00007fff83a024f6 _pthread_start + 331
6   libSystem.B.dylib             	0x00007fff83a023a9 thread_start + 13

Thread 10:
0   libSystem.B.dylib             	0x00007fff83a03f8a __semwait_signal + 10
1   libSystem.B.dylib             	0x00007fff83a07da1 _pthread_cond_wait + 1286
2   libnspr4.dylib                	0x0000000101adc4cc PR_WaitCondVar + 268
3   XUL                           	0x0000000100b2226e js::JSProxyHandler::isOuterWindow() + 813742
4   libnspr4.dylib                	0x0000000101ae1b9e PR_JoinThread + 318
5   libSystem.B.dylib             	0x00007fff83a024f6 _pthread_start + 331
6   libSystem.B.dylib             	0x00007fff83a023a9 thread_start + 13

Thread 11:
0   libSystem.B.dylib             	0x00007fff83a03f8a __semwait_signal + 10
1   libSystem.B.dylib             	0x00007fff83a07da1 _pthread_cond_wait + 1286
2   libnspr4.dylib                	0x0000000101adc4cc PR_WaitCondVar + 268
3   libnspr4.dylib                	0x0000000101adc537 PR_Wait + 71
4   XUL                           	0x0000000100e21137 XRE_AddStaticComponent + 19207
5   XUL                           	0x0000000100e221c1 XRE_AddStaticComponent + 23441
6   XUL                           	0x0000000100dde169 nsPrintSession::Release() + 1132409
7   XUL                           	0x0000000100e224cd XRE_AddStaticComponent + 24221
8   libnspr4.dylib                	0x0000000101ae1b9e PR_JoinThread + 318
9   libSystem.B.dylib             	0x00007fff83a024f6 _pthread_start + 331
10  libSystem.B.dylib             	0x00007fff83a023a9 thread_start + 13

Thread 12:
0   libSystem.B.dylib             	0x00007fff83a03f8a __semwait_signal + 10
1   libSystem.B.dylib             	0x00007fff83a07da1 _pthread_cond_wait + 1286
2   libnspr4.dylib                	0x0000000101adc4cc PR_WaitCondVar + 268
3   libnspr4.dylib                	0x0000000101adc537 PR_Wait + 71
4   XUL                           	0x0000000100e21137 XRE_AddStaticComponent + 19207
5   XUL                           	0x0000000100e221c1 XRE_AddStaticComponent + 23441
6   XUL                           	0x0000000100dde169 nsPrintSession::Release() + 1132409
7   XUL                           	0x0000000100e224cd XRE_AddStaticComponent + 24221
8   libnspr4.dylib                	0x0000000101ae1b9e PR_JoinThread + 318
9   libSystem.B.dylib             	0x00007fff83a024f6 _pthread_start + 331
10  libSystem.B.dylib             	0x00007fff83a023a9 thread_start + 13

Thread 13:
0   libSystem.B.dylib             	0x00007fff83a03f8a __semwait_signal + 10
1   libSystem.B.dylib             	0x00007fff83a07da1 _pthread_cond_wait + 1286
2   libnspr4.dylib                	0x0000000101adc4cc PR_WaitCondVar + 268
3   libnspr4.dylib                	0x0000000101adc537 PR_Wait + 71
4   XUL                           	0x0000000100e21137 XRE_AddStaticComponent + 19207
5   XUL                           	0x0000000100e221c1 XRE_AddStaticComponent + 23441
6   XUL                           	0x0000000100dde169 nsPrintSession::Release() + 1132409
7   XUL                           	0x0000000100e224cd XRE_AddStaticComponent + 24221
8   libnspr4.dylib                	0x0000000101ae1b9e PR_JoinThread + 318
9   libSystem.B.dylib             	0x00007fff83a024f6 _pthread_start + 331
10  libSystem.B.dylib             	0x00007fff83a023a9 thread_start + 13

Thread 14:
0   libSystem.B.dylib             	0x00007fff83a03f8a __semwait_signal + 10
1   libSystem.B.dylib             	0x00007fff83a07da1 _pthread_cond_wait + 1286
2   libnspr4.dylib                	0x0000000101adc4cc PR_WaitCondVar + 268
3   libnspr4.dylib                	0x0000000101adc537 PR_Wait + 71
4   XUL                           	0x0000000100e21137 XRE_AddStaticComponent + 19207
5   XUL                           	0x0000000100e221c1 XRE_AddStaticComponent + 23441
6   XUL                           	0x0000000100dde169 nsPrintSession::Release() + 1132409
7   XUL                           	0x0000000100e224cd XRE_AddStaticComponent + 24221
8   libnspr4.dylib                	0x0000000101ae1b9e PR_JoinThread + 318
9   libSystem.B.dylib             	0x00007fff83a024f6 _pthread_start + 331
10  libSystem.B.dylib             	0x00007fff83a023a9 thread_start + 13

Thread 15:
0   libSystem.B.dylib             	0x00007fff83a03f8a __semwait_signal + 10
1   libSystem.B.dylib             	0x00007fff83a07da1 _pthread_cond_wait + 1286
2   libnspr4.dylib                	0x0000000101adc4cc PR_WaitCondVar + 268
3   libnspr4.dylib                	0x0000000101adc537 PR_Wait + 71
4   XUL                           	0x0000000100e21137 XRE_AddStaticComponent + 19207
5   XUL                           	0x0000000100e221c1 XRE_AddStaticComponent + 23441
6   XUL                           	0x0000000100dde169 nsPrintSession::Release() + 1132409
7   XUL                           	0x0000000100e224cd XRE_AddStaticComponent + 24221
8   libnspr4.dylib                	0x0000000101ae1b9e PR_JoinThread + 318
9   libSystem.B.dylib             	0x00007fff83a024f6 _pthread_start + 331
10  libSystem.B.dylib             	0x00007fff83a023a9 thread_start + 13

Thread 16:
0   libSystem.B.dylib             	0x00007fff83a03f8a __semwait_signal + 10
1   libSystem.B.dylib             	0x00007fff83a07da1 _pthread_cond_wait + 1286
2   libnspr4.dylib                	0x0000000101adc4cc PR_WaitCondVar + 268
3   libnspr4.dylib                	0x0000000101adc537 PR_Wait + 71
4   XUL                           	0x0000000100e21137 XRE_AddStaticComponent + 19207
5   XUL                           	0x0000000100e221c1 XRE_AddStaticComponent + 23441
6   XUL                           	0x0000000100dde169 nsPrintSession::Release() + 1132409
7   XUL                           	0x0000000100e224cd XRE_AddStaticComponent + 24221
8   libnspr4.dylib                	0x0000000101ae1b9e PR_JoinThread + 318
9   libSystem.B.dylib             	0x00007fff83a024f6 _pthread_start + 331
10  libSystem.B.dylib             	0x00007fff83a023a9 thread_start + 13

Thread 17:
0   libSystem.B.dylib             	0x00007fff83a03f8a __semwait_signal + 10
1   libSystem.B.dylib             	0x00007fff83a07da1 _pthread_cond_wait + 1286
2   libnspr4.dylib                	0x0000000101adc4cc PR_WaitCondVar + 268
3   libnspr4.dylib                	0x0000000101adc537 PR_Wait + 71
4   XUL                           	0x0000000100e21137 XRE_AddStaticComponent + 19207
5   XUL                           	0x0000000100e221c1 XRE_AddStaticComponent + 23441
6   XUL                           	0x0000000100dde169 nsPrintSession::Release() + 1132409
7   XUL                           	0x0000000100e224cd XRE_AddStaticComponent + 24221
8   libnspr4.dylib                	0x0000000101ae1b9e PR_JoinThread + 318
9   libSystem.B.dylib             	0x00007fff83a024f6 _pthread_start + 331
10  libSystem.B.dylib             	0x00007fff83a023a9 thread_start + 13

Thread 18:
0   libSystem.B.dylib             	0x00007fff83a03f8a __semwait_signal + 10
1   libSystem.B.dylib             	0x00007fff83a07da1 _pthread_cond_wait + 1286
2   libnspr4.dylib                	0x0000000101adc4cc PR_WaitCondVar + 268
3   libnspr4.dylib                	0x0000000101adc537 PR_Wait + 71
4   XUL                           	0x0000000100e21137 XRE_AddStaticComponent + 19207
5   XUL                           	0x0000000100e221c1 XRE_AddStaticComponent + 23441
6   XUL                           	0x0000000100dde169 nsPrintSession::Release() + 1132409
7   XUL                           	0x0000000100e224cd XRE_AddStaticComponent + 24221
8   libnspr4.dylib                	0x0000000101ae1b9e PR_JoinThread + 318
9   libSystem.B.dylib             	0x00007fff83a024f6 _pthread_start + 331
10  libSystem.B.dylib             	0x00007fff83a023a9 thread_start + 13

Thread 19:
0   libSystem.B.dylib             	0x00007fff83a03f8a __semwait_signal + 10
1   libSystem.B.dylib             	0x00007fff83a07da1 _pthread_cond_wait + 1286
2   libnspr4.dylib                	0x0000000101adc4cc PR_WaitCondVar + 268
3   libnspr4.dylib                	0x0000000101adc537 PR_Wait + 71
4   XUL                           	0x0000000100e21137 XRE_AddStaticComponent + 19207
5   XUL                           	0x0000000100e221c1 XRE_AddStaticComponent + 23441
6   XUL                           	0x0000000100dde169 nsPrintSession::Release() + 1132409
7   XUL                           	0x0000000100e224cd XRE_AddStaticComponent + 24221
8   libnspr4.dylib                	0x0000000101ae1b9e PR_JoinThread + 318
9   libSystem.B.dylib             	0x00007fff83a024f6 _pthread_start + 331
10  libSystem.B.dylib             	0x00007fff83a023a9 thread_start + 13

Thread 20:
0   libSystem.B.dylib             	0x00007fff83a03f8a __semwait_signal + 10
1   libSystem.B.dylib             	0x00007fff83a07da1 _pthread_cond_wait + 1286
2   libnspr4.dylib                	0x0000000101adc4cc PR_WaitCondVar + 268
3   libnspr4.dylib                	0x0000000101adc537 PR_Wait + 71
4   XUL                           	0x0000000100e21137 XRE_AddStaticComponent + 19207
5   XUL                           	0x0000000100e221c1 XRE_AddStaticComponent + 23441
6   XUL                           	0x0000000100dde169 nsPrintSession::Release() + 1132409
7   XUL                           	0x0000000100e224cd XRE_AddStaticComponent + 24221
8   libnspr4.dylib                	0x0000000101ae1b9e PR_JoinThread + 318
9   libSystem.B.dylib             	0x00007fff83a024f6 _pthread_start + 331
10  libSystem.B.dylib             	0x00007fff83a023a9 thread_start + 13

Thread 21:  com.apple.CFSocket.private
0   libSystem.B.dylib             	0x00007fff83a0ce52 select$DARWIN_EXTSN + 10
1   com.apple.CoreFoundation      	0x00007fff83462498 __CFSocketManager + 824
2   libSystem.B.dylib             	0x00007fff83a024f6 _pthread_start + 331
3   libSystem.B.dylib             	0x00007fff83a023a9 thread_start + 13

Thread 22:
0   libSystem.B.dylib             	0x00007fff839c929a mach_msg_trap + 10
1   libSystem.B.dylib             	0x00007fff839c990d mach_msg + 59
2   XUL                           	0x00000001000308b3 catch_exception_raise + 35011
3   XUL                           	0x0000000100026af1 XRE_GetFileFromPath + 23713
4   XUL                           	0x0000000100026de8 XRE_GetFileFromPath + 24472
5   libSystem.B.dylib             	0x00007fff83a024f6 _pthread_start + 331
6   libSystem.B.dylib             	0x00007fff83a023a9 thread_start + 13

Thread 23:
0   libSystem.B.dylib             	0x00007fff83a03f8a __semwait_signal + 10
1   libSystem.B.dylib             	0x00007fff83a07da1 _pthread_cond_wait + 1286
2   libnspr4.dylib                	0x0000000101adb70b PRP_NakedNotify + 203
3   libnspr4.dylib                	0x0000000101adc42d PR_WaitCondVar + 109
4   XUL                           	0x00000001000687b4 catch_exception_raise + 264132
5   XUL                           	0x0000000100068ecb catch_exception_raise + 265947
6   libnspr4.dylib                	0x0000000101ae1b9e PR_JoinThread + 318
7   libSystem.B.dylib             	0x00007fff83a024f6 _pthread_start + 331
8   libSystem.B.dylib             	0x00007fff83a023a9 thread_start + 13

Thread 24:
0   libSystem.B.dylib             	0x00007fff83a03f8a __semwait_signal + 10
1   libSystem.B.dylib             	0x00007fff83a07da1 _pthread_cond_wait + 1286
2   libnspr4.dylib                	0x0000000101adb70b PRP_NakedNotify + 203
3   libnspr4.dylib                	0x0000000101adc42d PR_WaitCondVar + 109
4   libnspr4.dylib                	0x0000000101adc537 PR_Wait + 71
5   XUL                           	0x0000000100e24785 XRE_AddStaticComponent + 33109
6   XUL                           	0x0000000100e221e3 XRE_AddStaticComponent + 23475
7   XUL                           	0x0000000100dde169 nsPrintSession::Release() + 1132409
8   XUL                           	0x0000000100e224cd XRE_AddStaticComponent + 24221
9   libnspr4.dylib                	0x0000000101ae1b9e PR_JoinThread + 318
10  libSystem.B.dylib             	0x00007fff83a024f6 _pthread_start + 331
11  libSystem.B.dylib             	0x00007fff83a023a9 thread_start + 13

Thread 25:
0   libSystem.B.dylib             	0x00007fff83a03f8a __semwait_signal + 10
1   libSystem.B.dylib             	0x00007fff83a07da1 _pthread_cond_wait + 1286
2   libnspr4.dylib                	0x0000000101adb70b PRP_NakedNotify + 203
3   libnspr4.dylib                	0x0000000101adc42d PR_WaitCondVar + 109
4   XUL                           	0x00000001000687b4 catch_exception_raise + 264132
5   XUL                           	0x0000000100068ecb catch_exception_raise + 265947
6   libnspr4.dylib                	0x0000000101ae1b9e PR_JoinThread + 318
7   libSystem.B.dylib             	0x00007fff83a024f6 _pthread_start + 331
8   libSystem.B.dylib             	0x00007fff83a023a9 thread_start + 13

Thread 26:
0   libSystem.B.dylib             	0x00007fff839e212a kevent + 10
1   libSystem.B.dylib             	0x00007fff83a20f03 _mdns_query_mDNSResponder + 1106
2   libSystem.B.dylib             	0x00007fff83a20186 _mdns_search + 1152
3   libSystem.B.dylib             	0x00007fff83a1f521 _mdns_addrinfo + 754
4   libSystem.B.dylib             	0x00007fff83a1e57c search_addrinfo + 146
5   libSystem.B.dylib             	0x00007fff83a1df9c si_addrinfo + 1351
6   libSystem.B.dylib             	0x00007fff83a1d9ad getaddrinfo + 159
7   libnspr4.dylib                	0x0000000101ad3d44 PR_GetAddrInfoByName + 180
8   XUL                           	0x0000000100068f07 catch_exception_raise + 266007
9   libnspr4.dylib                	0x0000000101ae1b9e PR_JoinThread + 318
10  libSystem.B.dylib             	0x00007fff83a024f6 _pthread_start + 331
11  libSystem.B.dylib             	0x00007fff83a023a9 thread_start + 13

Thread 27:
0   libSystem.B.dylib             	0x00007fff83a03f8a __semwait_signal + 10
1   libSystem.B.dylib             	0x00007fff83a07da1 _pthread_cond_wait + 1286
2   libnspr4.dylib                	0x0000000101adb70b PRP_NakedNotify + 203
3   libnspr4.dylib                	0x0000000101adc42d PR_WaitCondVar + 109
4   XUL                           	0x00000001000687b4 catch_exception_raise + 264132
5   XUL                           	0x0000000100068ecb catch_exception_raise + 265947
6   libnspr4.dylib                	0x0000000101ae1b9e PR_JoinThread + 318
7   libSystem.B.dylib             	0x00007fff83a024f6 _pthread_start + 331
8   libSystem.B.dylib             	0x00007fff83a023a9 thread_start + 13

Thread 0 crashed with X86 Thread State (64-bit):
  rax: 0x0000000000000000  rbx: 0x00000001190ca000  rcx: 0x00007fff5fbec948  rdx: 0x0000000000000000
  rdi: 0x000000000000474c  rsi: 0x0000000000000006  rbp: 0x00007fff5fbec960  rsp: 0x00007fff5fbec948
   r8: 0x0000000000000e03   r9: 0x0000000000000000  r10: 0x00007fff83a13616  r11: 0xffffff80002e4730
  r12: 0x0000000000000000  r13: 0x0000000137bf3758  r14: 0x0000000101d36000  r15: 0x00000001190ca0c0
  rip: 0x00007fff83a175d6  rfl: 0x0000000000000202  cr2: 0x00000001190d1000
Status: RESOLVED → UNCONFIRMED
Resolution: WORKSFORME → ---
that page has a lot of unicode characters on it that are never met in normal web pages but if you can't repeat it on a Mac with FF4.01 then the bug might be dependent on the versions of fonts I have for "Arial, Helvetica Neue, sans-serif" (the css font-family for twitter.com) which may differ than yours .... other than that, i have no idea why it's not repeatable on your side
here is a video of the crash on http://twitter.com/Reteris

http://www.youtube.com/watch?v=vQQXYKT8EYk
Keywords: crash
Is this still a problem in a recent version of Firefox?
Flags: needinfo?(marc.fawzi)
Status: UNCONFIRMED → RESOLVED
Closed: 13 years ago10 years ago
Resolution: --- → WORKSFORME
Flags: needinfo?(marc.fawzi)
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