595837 - crash [@ jsd_Lock ]

Status: VERIFIED DUPLICATE of bug 595743

(Core :: JavaScript Engine, defect)

Description

[Scoobidiver (away)]

Build : Mozilla/5.0 (Windows NT 6.1; WOW64; rv:2.0b6pre) Gecko/20100912 Firefox/4.0b6pre

It is a new crash signature that first appeared in b6pre/20100908 build.
Because of a daily rate peak in today's build, it is #12 crasher for this build.
It happens on Windows, Mac, Linux.
Some comments talk about firebug or gmail that cause the crash.

Signature	jsd_Lock
UUID	91fa564f-f7b1-4fd5-9ba9-d5c202100912
Time 	2010-09-12 12:15:50.766599
Uptime	10791
Last Crash	18031 seconds (5.0 hours) before submission
Install Age	21273 seconds (5.9 hours) since version was first installed.
Product	Firefox
Version	4.0b6pre
Build ID	20100912041924
Branch	2.0
OS	Windows NT
OS Version	6.1.7600
CPU	x86
CPU Info	GenuineIntel family 6 model 15 stepping 7
Crash Reason	EXCEPTION_ACCESS_VIOLATION
Crash Address	0x655
User Comments	
App Notes 	AdapterVendorID: 10de, AdapterDeviceID: 0292
Processor Notes 	
EMCheckCompatibility	False
Crashing Thread
Frame 	Module 	Signature [Expand] 	Source
0 	xul.dll 	jsd_Lock 	js/jsd/jsd_lock.c:139
1 	xul.dll 	_callHook 	js/jsd/jsd_step.c:136
2 	xul.dll 	jsd_FunctionCallHook 	js/jsd/jsd_step.c:285
3 	xul.dll 	InlineReturn 	
4 	xul.dll 	jsd_CallExecutionHook 	js/jsd/jsd_hook.c:190
5 	xul.dll 	js_InternalThrow 	
6 	xul.dll 	JaegerThrowpoline 	js/src/methodjit/MethodJIT.cpp:638
7 	xul.dll 	jsd_FunctionCallHook 	js/jsd/jsd_step.c:285
8 	xul.dll 	js::Invoke 	js/src/jsinterp.cpp:614