Bug 1578042 Comment 38 Edit History

Note: The actual edited comment in the bug view page will always show the original commenter’s name and original timestamp.

Backed out 4 changesets (bug 1578042) for test_memory_usage.py crash

Push with failures: https://treeherder.mozilla.org/#/jobs?repo=autoland&group_state=expanded&searchStr=windows%2C7%2Cshippable%2Copt%2Care%2Cwe%2Cslim%2Cyet%2Ctests%2Cby%2Ctaskcluster%2Ctest-windows7-32-shippable%2Fopt-awsy-tp6-e10s%2Csy-tp6&fromchange=9a37a0e7de35daa6572a1499556a9e814cff7bc8&tochange=bd8f0e3a63c466f951cebfab14023f8751ee845c&selectedTaskRun=awaIwFgzT02NSRlL21PJKw.0

Backout link: https://hg.mozilla.org/integration/autoland/rev/bd8f0e3a63c466f951cebfab14023f8751ee845c

Failure log: https://treeherder.mozilla.org/logviewer.html#/jobs?job_id=310451020&repo=autoland&lineNumber=1113

```
...
[task 2020-07-20T21:40:32.060Z] 21:40:32     INFO - loading https://yandex.ru/search/?text=barack%20obama&lr=10115
[task 2020-07-20T21:40:34.990Z] 21:40:34     INFO - loaded!
[task 2020-07-20T21:40:50.000Z] 21:40:50     INFO - starting checkpoint TabsOpen...
[task 2020-07-20T21:40:50.697Z] 21:40:50     INFO - checkpoint created, stored in Z:\\task_1595279336\\build\\tests\\results\\memory-report-TabsOpen-0.json.gz
[task 2020-07-20T21:41:20.705Z] 21:41:20     INFO - starting checkpoint TabsOpenSettled...
[task 2020-07-20T21:41:21.372Z] 21:41:21     INFO - checkpoint created, stored in Z:\\task_1595279336\\build\\tests\\results\\memory-report-TabsOpenSettled-0.json.gz
[task 2020-07-20T21:41:21.372Z] 21:41:21     INFO - starting gc...
[task 2020-07-20T21:41:21.687Z] 21:41:21     INFO - gc done!
[task 2020-07-20T21:41:21.687Z] 21:41:21     INFO - starting checkpoint TabsOpenForceGC...
[task 2020-07-20T21:41:23.359Z] 21:41:23     INFO - checkpoint created, stored in Z:\\task_1595279336\\build\\tests\\results\\memory-report-TabsOpenForceGC-0.json.gz
[task 2020-07-20T21:41:23.361Z] 21:41:23     INFO - closing window: 40
[task 2020-07-20T21:41:24.127Z] 21:41:24     INFO - closing window: 42
[task 2020-07-20T21:41:24.209Z] 21:41:24     INFO - closing window: 44
[task 2020-07-20T21:41:24.324Z] 21:41:24     INFO - closing window: 46
[task 2020-07-20T21:41:24.939Z] 21:41:24     INFO - mozcrash Downloading symbols from: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/aJs0x0R-RK-16ZXjV2Qumg/artifacts/public/build/target.crashreporter-symbols.zip
[task 2020-07-20T21:41:29.785Z] 21:41:29     INFO - mozcrash Copy/paste: Z:/task_1595279336/fetches\minidump_stackwalk\minidump_stackwalk.exe c:\users\task_1595279336\appdata\local\temp\tmpkzxpqb.profile\minidumps\9a3c7046-3802-4337-936f-2538b3d4b397.dmp c:\users\task_1595279336\appdata\local\temp\tmpcfn0q8
[task 2020-07-20T21:41:42.855Z] 21:41:42     INFO - mozcrash Saved minidump as Z:\task_1595279336\build\blobber_upload_dir\9a3c7046-3802-4337-936f-2538b3d4b397.dmp
[task 2020-07-20T21:41:42.858Z] 21:41:42     INFO - mozcrash Saved app info as Z:\task_1595279336\build\blobber_upload_dir\9a3c7046-3802-4337-936f-2538b3d4b397.extra
[task 2020-07-20T21:41:42.966Z] 21:41:42     INFO - PROCESS-CRASH | awsy/test_memory_usage.py TestMemoryUsage.test_open_tabs | application crashed [@ InvalidArrayIndex_CRASH(unsigned int, unsigned int)]
[task 2020-07-20T21:41:42.966Z] 21:41:42     INFO - Mozilla crash reason: ElementAt(aIndex = 0, aLength = 0)
[task 2020-07-20T21:41:42.967Z] 21:41:42     INFO - Crash dump filename: c:\users\task_1595279336\appdata\local\temp\tmpkzxpqb.profile\minidumps\9a3c7046-3802-4337-936f-2538b3d4b397.dmp
[task 2020-07-20T21:41:42.967Z] 21:41:42     INFO - Operating system: Windows NT
[task 2020-07-20T21:41:42.967Z] 21:41:42     INFO -                   6.1.7601 Service Pack 1
[task 2020-07-20T21:41:42.967Z] 21:41:42     INFO - CPU: x86
[task 2020-07-20T21:41:42.967Z] 21:41:42     INFO -      GenuineIntel family 6 model 63 stepping 2
[task 2020-07-20T21:41:42.967Z] 21:41:42     INFO -      8 CPUs
[task 2020-07-20T21:41:42.967Z] 21:41:42     INFO - 
[task 2020-07-20T21:41:42.967Z] 21:41:42     INFO - GPU: UNKNOWN
[task 2020-07-20T21:41:42.967Z] 21:41:42     INFO - 
[task 2020-07-20T21:41:42.967Z] 21:41:42     INFO - Crash reason:  EXCEPTION_BREAKPOINT
[task 2020-07-20T21:41:42.967Z] 21:41:42     INFO - Crash address: 0x53074251
[task 2020-07-20T21:41:42.967Z] 21:41:42     INFO - Process uptime: 492 seconds
[task 2020-07-20T21:41:42.967Z] 21:41:42     INFO - 
[task 2020-07-20T21:41:42.967Z] 21:41:42     INFO - Thread 27 (crashed)
[task 2020-07-20T21:41:42.967Z] 21:41:42     INFO -  0  xul.dll!InvalidArrayIndex_CRASH(unsigned int, unsigned int) [nsTArray.cpp:626dd9d4a4fbc4b0c9fd7eca639ff2cc01046579 : 27 + 0x23]
[task 2020-07-20T21:41:42.967Z] 21:41:42     INFO -     eip = 0x53074251   esp = 0x0c75f0d0   ebp = 0x0c75f0d0   ebx = 0x00000000
[task 2020-07-20T21:41:42.967Z] 21:41:42     INFO -     esi = 0x263d9440   edi = 0x22821788   eax = 0x6ad18d1c   ecx = 0x0000001d
[task 2020-07-20T21:41:42.967Z] 21:41:42     INFO -     edx = 0x00000029   efl = 0x00000212
[task 2020-07-20T21:41:42.967Z] 21:41:42     INFO -     Found by: given as instruction pointer in context
[task 2020-07-20T21:41:42.968Z] 21:41:42     INFO -  1  xul.dll!mozilla::layers::ImageComposite::CountSkippedFrames(mozilla::layers::ImageComposite::TimedImage const*) [ImageComposite.cpp:626dd9d4a4fbc4b0c9fd7eca639ff2cc01046579 : 305 + 0x1c]
[task 2020-07-20T21:41:42.968Z] 21:41:42     INFO -     eip = 0x53bc139e   esp = 0x0c75f0d8   ebp = 0x0c75f13c
[task 2020-07-20T21:41:42.968Z] 21:41:42     INFO -     Found by: call frame info
[task 2020-07-20T21:41:42.968Z] 21:41:42     INFO -  2  xul.dll!mozilla::layers::ImageComposite::SetImages(nsTArray<mozilla::layers::ImageComposite::TimedImage>&&) [ImageComposite.cpp:626dd9d4a4fbc4b0c9fd7eca639ff2cc01046579 : 149 + 0x7]
[task 2020-07-20T21:41:42.968Z] 21:41:42     INFO -     eip = 0x53bc0f29   esp = 0x0c75f144   ebp = 0x0c75f154   ebx = 0x22b7aac0
[task 2020-07-20T21:41:42.968Z] 21:41:42     INFO -     esi = 0x263d9440   edi = 0x0c75f18c
[task 2020-07-20T21:41:42.968Z] 21:41:42     INFO -     Found by: call frame info
[task 2020-07-20T21:41:42.968Z] 21:41:42     INFO -  3  xul.dll!mozilla::layers::ImageHost::UseTextureHost(nsTArray<mozilla::layers::CompositableHost::TimedTexture> const&) [ImageHost.cpp:626dd9d4a4fbc4b0c9fd7eca639ff2cc01046579 : 64 + 0x10]
[task 2020-07-20T21:41:42.968Z] 21:41:42     INFO -     eip = 0x53bc1693   esp = 0x0c75f15c   ebp = 0x0c75f1c4   esi = 0x263d9400
[task 2020-07-20T21:41:42.968Z] 21:41:42     INFO -     edi = 0x00000078
[task 2020-07-20T21:41:42.968Z] 21:41:42     INFO -     Found by: call frame info
[task 2020-07-20T21:41:42.968Z] 21:41:42     INFO -  4  xul.dll!mozilla::layers::CompositableParentManager::ReceiveCompositableUpdate(mozilla::layers::CompositableOperationDetail const&, mozilla::NotNull<mozilla::layers::CompositableHost *>) [CompositableTransactionParent.cpp:626dd9d4a4fbc4b0c9fd7eca639ff2cc01046579 : 177 + 0xd]
[task 2020-07-20T21:41:42.968Z] 21:41:42     INFO -     eip = 0x53bec77c   esp = 0x0c75f1cc   ebp = 0x0c75f310   ebx = 0x0c75f250
[task 2020-07-20T21:41:42.968Z] 21:41:42     INFO -     esi = 0x00000080   edi = 0x127fb700
[task 2020-07-20T21:41:42.968Z] 21:41:42     INFO -     Found by: call frame info
[task 2020-07-20T21:41:42.968Z] 21:41:42     INFO -  5  xul.dll!mozilla::layers::ImageBridgeParent::RecvUpdate(nsTArray<mozilla::layers::CompositableOperation>&&, nsTArray<mozilla::layers::OpDestroy>&&, unsigned long long const&) [ImageBridgeParent.cpp:626dd9d4a4fbc4b0c9fd7eca639ff2cc01046579 : 198 + 0x1e]
[task 2020-07-20T21:41:42.968Z] 21:41:42     INFO -     eip = 0x53c0b5cf   esp = 0x0c75f318   ebp = 0x0c75f388   ebx = 0x0c75f320
[task 2020-07-20T21:41:42.968Z] 21:41:42     INFO -     esi = 0x0c75f320   edi = 0x21b04a10
[task 2020-07-20T21:41:42.968Z] 21:41:42     INFO -     Found by: call frame info
[task 2020-07-20T21:41:42.968Z] 21:41:42     INFO -  6  xul.dll!mozilla::layers::PImageBridgeParent::OnMessageReceived(IPC::Message const&) [PImageBridgeParent.cpp: : 377 + 0x1b]
[task 2020-07-20T21:41:42.969Z] 21:41:42     INFO -     eip = 0x5362445e   esp = 0x0c75f390   ebp = 0x0c75f4a4   ebx = 0x13082c48
[task 2020-07-20T21:41:42.969Z] 21:41:42     INFO -     esi = 0x0f7347d0   edi = 0x0c75f428
[task 2020-07-20T21:41:42.969Z] 21:41:42     INFO -     Found by: call frame info
[task 2020-07-20T21:41:42.969Z] 21:41:42     INFO -  7  xul.dll!mozilla::ipc::MessageChannel::DispatchMessage(IPC::Message&&) [MessageChannel.cpp:626dd9d4a4fbc4b0c9fd7eca639ff2cc01046579 : 2074 + 0x70]
[task 2020-07-20T21:41:42.969Z] 21:41:42     INFO -     eip = 0x5352be14   esp = 0x0c75f4ac   ebp = 0x0c75f724   ebx = 0x0f734848
[task 2020-07-20T21:41:42.969Z] 21:41:42     INFO -     esi = 0x0c75f4b0   edi = 0x00000001
[task 2020-07-20T21:41:42.969Z] 21:41:42     INFO -     Found by: call frame info
[task 2020-07-20T21:41:42.969Z] 21:41:42     INFO -  8  xul.dll!mozilla::ipc::MessageChannel::MessageTask::Run() [MessageChannel.cpp:626dd9d4a4fbc4b0c9fd7eca639ff2cc01046579 : 1953 + 0xc3]
[task 2020-07-20T21:41:42.969Z] 21:41:42     INFO -     eip = 0x5352cc8e   esp = 0x0c75f72c   ebp = 0x0c75f754   ebx = 0x21687eb0
[task 2020-07-20T21:41:42.969Z] 21:41:42     INFO -     esi = 0x13082c40   edi = 0x13082c10
[task 2020-07-20T21:41:42.969Z] 21:41:42     INFO -     Found by: call frame info
[task 2020-07-20T21:41:42.969Z] 21:41:42     INFO -  9  xul.dll!nsThread::ProcessNextEvent(bool, bool*) [nsThread.cpp:626dd9d4a4fbc4b0c9fd7eca639ff2cc01046579 : 1234 + 0x6]
[task 2020-07-20T21:41:42.969Z] 21:41:42     INFO -     eip = 0x5286c1fa   esp = 0x0c75f75c   ebp = 0x0c75fcec   ebx = 0xffffffff
[task 2020-07-20T21:41:42.969Z] 21:41:42     INFO -     esi = 0x00000000   edi = 0x00863ec0
[task 2020-07-20T21:41:42.969Z] 21:41:42     INFO -     Found by: call frame info
[task 2020-07-20T21:41:42.969Z] 21:41:42     INFO - 10  xul.dll!mozilla::ipc::MessagePumpForNonMainThreads::Run(base::MessagePump::Delegate*) [MessagePump.cpp:626dd9d4a4fbc4b0c9fd7eca639ff2cc01046579 : 302 + 0x2a]
[task 2020-07-20T21:41:42.969Z] 21:41:42     INFO -     eip = 0x5286aa12   esp = 0x0c75fcf4   ebp = 0x0c75fd48   ebx = 0x002fe201
[task 2020-07-20T21:41:42.969Z] 21:41:42     INFO -     esi = 0x0f44fdc0   edi = 0x00000000
[task 2020-07-20T21:41:42.969Z] 21:41:42     INFO -     Found by: call frame info
[task 2020-07-20T21:41:42.969Z] 21:41:42     INFO - 11  xul.dll!MessageLoop::RunHandler() [message_loop.cc:626dd9d4a4fbc4b0c9fd7eca639ff2cc01046579 : 327 + 0x8]
[task 2020-07-20T21:41:42.969Z] 21:41:42     INFO -     eip = 0x5350ac04   esp = 0x0c75fd50   ebp = 0x0c75fd80   ebx = 0x002fe2ec
[task 2020-07-20T21:41:42.970Z] 21:41:42     INFO -     esi = 0x0c75fdb0   edi = 0x0c75fdb0
[task 2020-07-20T21:41:42.970Z] 21:41:42     INFO -     Found by: call frame info
[task 2020-07-20T21:41:42.970Z] 21:41:42     INFO - 12  xul.dll!MessageLoop::Run() [message_loop.cc:626dd9d4a4fbc4b0c9fd7eca639ff2cc01046579 : 309 + 0x5]
[task 2020-07-20T21:41:42.970Z] 21:41:42     INFO -     eip = 0x5284a561   esp = 0x0c75fd88   ebp = 0x0c75fda0   ebx = 0x002fe2ec
[task 2020-07-20T21:41:42.970Z] 21:41:42     INFO -     esi = 0x00863ec0   edi = 0x0c75fdb0
[task 2020-07-20T21:41:42.970Z] 21:41:42     INFO -     Found by: call frame info
[task 2020-07-20T21:41:42.970Z] 21:41:42     INFO - 13  xul.dll!static nsThread::ThreadFunc(void*) [nsThread.cpp:626dd9d4a4fbc4b0c9fd7eca639ff2cc01046579 : 447 + 0x7]
[task 2020-07-20T21:41:42.970Z] 21:41:42     INFO -     eip = 0x530bd31e   esp = 0x0c75fda8   ebp = 0x0c75fe80
[task 2020-07-20T21:41:42.970Z] 21:41:42     INFO -     Found by: call frame info
[task 2020-07-20T21:41:42.970Z] 21:41:42     INFO - 14  nss3.dll!_PR_NativeRunThread(void*) [pruthr.c:626dd9d4a4fbc4b0c9fd7eca639ff2cc01046579 : 399 + 0x6]
[task 2020-07-20T21:41:42.970Z] 21:41:42     INFO -     eip = 0x696057c6   esp = 0x0c75fe88   ebp = 0x0c75fea8   ebx = 0x0eff8190
[task 2020-07-20T21:41:42.970Z] 21:41:42     INFO -     esi = 0x0eff8190   edi = 0x0081d44c
[task 2020-07-20T21:41:42.970Z] 21:41:42     INFO -     Found by: call frame info
[task 2020-07-20T21:41:42.970Z] 21:41:42     INFO - 15  nss3.dll!pr_root(void*) [w95thred.c:626dd9d4a4fbc4b0c9fd7eca639ff2cc01046579 : 139 + 0x7]
[task 2020-07-20T21:41:42.970Z] 21:41:42     INFO -     eip = 0x695f798d   esp = 0x0c75feb0   ebp = 0x0c75feb4   ebx = 0x0038bfe0
[task 2020-07-20T21:41:42.970Z] 21:41:42     INFO -     esi = 0x695f7980   edi = 0x0038bfe0
[task 2020-07-20T21:41:42.970Z] 21:41:42     INFO -     Found by: call frame info
[task 2020-07-20T21:41:42.970Z] 21:41:42     INFO - 16  ucrtbase.dll!__RtlConvertUlongToLargeInteger + 0x8489
[task 2020-07-20T21:41:42.971Z] 21:41:42     INFO -     eip = 0x6aace16f   esp = 0x0c75febc   ebp = 0x0c75fef0
[task 2020-07-20T21:41:42.971Z] 21:41:42     INFO -     Found by: call frame info
[task 2020-07-20T21:41:42.971Z] 21:41:42     INFO - 17  kernel32.dll! ?? ?? ::FNODOBFM::`string' + 0x46
[task 2020-07-20T21:41:42.971Z] 21:41:42     INFO -     eip = 0x75ddef3c   esp = 0x0c75fef8   ebp = 0x0c75fefc
[task 2020-07-20T21:41:42.971Z] 21:41:42     INFO -     Found by: previous frame's frame pointer
[task 2020-07-20T21:41:42.971Z] 21:41:42     INFO - 18  ntdll.dll!__RtlUserThreadStart + 0x27
[task 2020-07-20T21:41:42.971Z] 21:41:42     INFO -     eip = 0x77813618   esp = 0x0c75ff04   ebp = 0x0c75ff3c
[task 2020-07-20T21:41:42.971Z] 21:41:42     INFO -     Found by: previous frame's frame pointer
[task 2020-07-20T21:41:42.971Z] 21:41:42     INFO - 19  ntdll.dll!_RtlUserThreadStart + 0x1b
[task 2020-07-20T21:41:42.971Z] 21:41:42     INFO -     eip = 0x778135eb   esp = 0x0c75ff44   ebp = 0x0c75ff54
[task 2020-07-20T21:41:42.971Z] 21:41:42     INFO -     Found by: call frame info
[task 2020-07-20T21:41:42.971Z] 21:41:42     INFO - 
```
Backed out 4 changesets (bug 1578042) for test_memory_usage.py crash

Push with failures: https://treeherder.mozilla.org/#/jobs?repo=autoland&group_state=expanded&searchStr=windows%2C7%2Cshippable%2Copt%2Care%2Cwe%2Cslim%2Cyet%2Ctests%2Cby%2Ctaskcluster%2Ctest-windows7-32-shippable%2Fopt-awsy-tp6-e10s%2Csy-tp6&fromchange=9a37a0e7de35daa6572a1499556a9e814cff7bc8&tochange=bd8f0e3a63c466f951cebfab14023f8751ee845c&selectedTaskRun=AF6THK0wT7qj5jY7R81JCg.0

Backout link: https://hg.mozilla.org/integration/autoland/rev/bd8f0e3a63c466f951cebfab14023f8751ee845c

Failure log: https://treeherder.mozilla.org/logviewer.html#/jobs?job_id=310451020&repo=autoland&lineNumber=1113

```
...
[task 2020-07-20T21:40:32.060Z] 21:40:32     INFO - loading https://yandex.ru/search/?text=barack%20obama&lr=10115
[task 2020-07-20T21:40:34.990Z] 21:40:34     INFO - loaded!
[task 2020-07-20T21:40:50.000Z] 21:40:50     INFO - starting checkpoint TabsOpen...
[task 2020-07-20T21:40:50.697Z] 21:40:50     INFO - checkpoint created, stored in Z:\\task_1595279336\\build\\tests\\results\\memory-report-TabsOpen-0.json.gz
[task 2020-07-20T21:41:20.705Z] 21:41:20     INFO - starting checkpoint TabsOpenSettled...
[task 2020-07-20T21:41:21.372Z] 21:41:21     INFO - checkpoint created, stored in Z:\\task_1595279336\\build\\tests\\results\\memory-report-TabsOpenSettled-0.json.gz
[task 2020-07-20T21:41:21.372Z] 21:41:21     INFO - starting gc...
[task 2020-07-20T21:41:21.687Z] 21:41:21     INFO - gc done!
[task 2020-07-20T21:41:21.687Z] 21:41:21     INFO - starting checkpoint TabsOpenForceGC...
[task 2020-07-20T21:41:23.359Z] 21:41:23     INFO - checkpoint created, stored in Z:\\task_1595279336\\build\\tests\\results\\memory-report-TabsOpenForceGC-0.json.gz
[task 2020-07-20T21:41:23.361Z] 21:41:23     INFO - closing window: 40
[task 2020-07-20T21:41:24.127Z] 21:41:24     INFO - closing window: 42
[task 2020-07-20T21:41:24.209Z] 21:41:24     INFO - closing window: 44
[task 2020-07-20T21:41:24.324Z] 21:41:24     INFO - closing window: 46
[task 2020-07-20T21:41:24.939Z] 21:41:24     INFO - mozcrash Downloading symbols from: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/aJs0x0R-RK-16ZXjV2Qumg/artifacts/public/build/target.crashreporter-symbols.zip
[task 2020-07-20T21:41:29.785Z] 21:41:29     INFO - mozcrash Copy/paste: Z:/task_1595279336/fetches\minidump_stackwalk\minidump_stackwalk.exe c:\users\task_1595279336\appdata\local\temp\tmpkzxpqb.profile\minidumps\9a3c7046-3802-4337-936f-2538b3d4b397.dmp c:\users\task_1595279336\appdata\local\temp\tmpcfn0q8
[task 2020-07-20T21:41:42.855Z] 21:41:42     INFO - mozcrash Saved minidump as Z:\task_1595279336\build\blobber_upload_dir\9a3c7046-3802-4337-936f-2538b3d4b397.dmp
[task 2020-07-20T21:41:42.858Z] 21:41:42     INFO - mozcrash Saved app info as Z:\task_1595279336\build\blobber_upload_dir\9a3c7046-3802-4337-936f-2538b3d4b397.extra
[task 2020-07-20T21:41:42.966Z] 21:41:42     INFO - PROCESS-CRASH | awsy/test_memory_usage.py TestMemoryUsage.test_open_tabs | application crashed [@ InvalidArrayIndex_CRASH(unsigned int, unsigned int)]
[task 2020-07-20T21:41:42.966Z] 21:41:42     INFO - Mozilla crash reason: ElementAt(aIndex = 0, aLength = 0)
[task 2020-07-20T21:41:42.967Z] 21:41:42     INFO - Crash dump filename: c:\users\task_1595279336\appdata\local\temp\tmpkzxpqb.profile\minidumps\9a3c7046-3802-4337-936f-2538b3d4b397.dmp
[task 2020-07-20T21:41:42.967Z] 21:41:42     INFO - Operating system: Windows NT
[task 2020-07-20T21:41:42.967Z] 21:41:42     INFO -                   6.1.7601 Service Pack 1
[task 2020-07-20T21:41:42.967Z] 21:41:42     INFO - CPU: x86
[task 2020-07-20T21:41:42.967Z] 21:41:42     INFO -      GenuineIntel family 6 model 63 stepping 2
[task 2020-07-20T21:41:42.967Z] 21:41:42     INFO -      8 CPUs
[task 2020-07-20T21:41:42.967Z] 21:41:42     INFO - 
[task 2020-07-20T21:41:42.967Z] 21:41:42     INFO - GPU: UNKNOWN
[task 2020-07-20T21:41:42.967Z] 21:41:42     INFO - 
[task 2020-07-20T21:41:42.967Z] 21:41:42     INFO - Crash reason:  EXCEPTION_BREAKPOINT
[task 2020-07-20T21:41:42.967Z] 21:41:42     INFO - Crash address: 0x53074251
[task 2020-07-20T21:41:42.967Z] 21:41:42     INFO - Process uptime: 492 seconds
[task 2020-07-20T21:41:42.967Z] 21:41:42     INFO - 
[task 2020-07-20T21:41:42.967Z] 21:41:42     INFO - Thread 27 (crashed)
[task 2020-07-20T21:41:42.967Z] 21:41:42     INFO -  0  xul.dll!InvalidArrayIndex_CRASH(unsigned int, unsigned int) [nsTArray.cpp:626dd9d4a4fbc4b0c9fd7eca639ff2cc01046579 : 27 + 0x23]
[task 2020-07-20T21:41:42.967Z] 21:41:42     INFO -     eip = 0x53074251   esp = 0x0c75f0d0   ebp = 0x0c75f0d0   ebx = 0x00000000
[task 2020-07-20T21:41:42.967Z] 21:41:42     INFO -     esi = 0x263d9440   edi = 0x22821788   eax = 0x6ad18d1c   ecx = 0x0000001d
[task 2020-07-20T21:41:42.967Z] 21:41:42     INFO -     edx = 0x00000029   efl = 0x00000212
[task 2020-07-20T21:41:42.967Z] 21:41:42     INFO -     Found by: given as instruction pointer in context
[task 2020-07-20T21:41:42.968Z] 21:41:42     INFO -  1  xul.dll!mozilla::layers::ImageComposite::CountSkippedFrames(mozilla::layers::ImageComposite::TimedImage const*) [ImageComposite.cpp:626dd9d4a4fbc4b0c9fd7eca639ff2cc01046579 : 305 + 0x1c]
[task 2020-07-20T21:41:42.968Z] 21:41:42     INFO -     eip = 0x53bc139e   esp = 0x0c75f0d8   ebp = 0x0c75f13c
[task 2020-07-20T21:41:42.968Z] 21:41:42     INFO -     Found by: call frame info
[task 2020-07-20T21:41:42.968Z] 21:41:42     INFO -  2  xul.dll!mozilla::layers::ImageComposite::SetImages(nsTArray<mozilla::layers::ImageComposite::TimedImage>&&) [ImageComposite.cpp:626dd9d4a4fbc4b0c9fd7eca639ff2cc01046579 : 149 + 0x7]
[task 2020-07-20T21:41:42.968Z] 21:41:42     INFO -     eip = 0x53bc0f29   esp = 0x0c75f144   ebp = 0x0c75f154   ebx = 0x22b7aac0
[task 2020-07-20T21:41:42.968Z] 21:41:42     INFO -     esi = 0x263d9440   edi = 0x0c75f18c
[task 2020-07-20T21:41:42.968Z] 21:41:42     INFO -     Found by: call frame info
[task 2020-07-20T21:41:42.968Z] 21:41:42     INFO -  3  xul.dll!mozilla::layers::ImageHost::UseTextureHost(nsTArray<mozilla::layers::CompositableHost::TimedTexture> const&) [ImageHost.cpp:626dd9d4a4fbc4b0c9fd7eca639ff2cc01046579 : 64 + 0x10]
[task 2020-07-20T21:41:42.968Z] 21:41:42     INFO -     eip = 0x53bc1693   esp = 0x0c75f15c   ebp = 0x0c75f1c4   esi = 0x263d9400
[task 2020-07-20T21:41:42.968Z] 21:41:42     INFO -     edi = 0x00000078
[task 2020-07-20T21:41:42.968Z] 21:41:42     INFO -     Found by: call frame info
[task 2020-07-20T21:41:42.968Z] 21:41:42     INFO -  4  xul.dll!mozilla::layers::CompositableParentManager::ReceiveCompositableUpdate(mozilla::layers::CompositableOperationDetail const&, mozilla::NotNull<mozilla::layers::CompositableHost *>) [CompositableTransactionParent.cpp:626dd9d4a4fbc4b0c9fd7eca639ff2cc01046579 : 177 + 0xd]
[task 2020-07-20T21:41:42.968Z] 21:41:42     INFO -     eip = 0x53bec77c   esp = 0x0c75f1cc   ebp = 0x0c75f310   ebx = 0x0c75f250
[task 2020-07-20T21:41:42.968Z] 21:41:42     INFO -     esi = 0x00000080   edi = 0x127fb700
[task 2020-07-20T21:41:42.968Z] 21:41:42     INFO -     Found by: call frame info
[task 2020-07-20T21:41:42.968Z] 21:41:42     INFO -  5  xul.dll!mozilla::layers::ImageBridgeParent::RecvUpdate(nsTArray<mozilla::layers::CompositableOperation>&&, nsTArray<mozilla::layers::OpDestroy>&&, unsigned long long const&) [ImageBridgeParent.cpp:626dd9d4a4fbc4b0c9fd7eca639ff2cc01046579 : 198 + 0x1e]
[task 2020-07-20T21:41:42.968Z] 21:41:42     INFO -     eip = 0x53c0b5cf   esp = 0x0c75f318   ebp = 0x0c75f388   ebx = 0x0c75f320
[task 2020-07-20T21:41:42.968Z] 21:41:42     INFO -     esi = 0x0c75f320   edi = 0x21b04a10
[task 2020-07-20T21:41:42.968Z] 21:41:42     INFO -     Found by: call frame info
[task 2020-07-20T21:41:42.968Z] 21:41:42     INFO -  6  xul.dll!mozilla::layers::PImageBridgeParent::OnMessageReceived(IPC::Message const&) [PImageBridgeParent.cpp: : 377 + 0x1b]
[task 2020-07-20T21:41:42.969Z] 21:41:42     INFO -     eip = 0x5362445e   esp = 0x0c75f390   ebp = 0x0c75f4a4   ebx = 0x13082c48
[task 2020-07-20T21:41:42.969Z] 21:41:42     INFO -     esi = 0x0f7347d0   edi = 0x0c75f428
[task 2020-07-20T21:41:42.969Z] 21:41:42     INFO -     Found by: call frame info
[task 2020-07-20T21:41:42.969Z] 21:41:42     INFO -  7  xul.dll!mozilla::ipc::MessageChannel::DispatchMessage(IPC::Message&&) [MessageChannel.cpp:626dd9d4a4fbc4b0c9fd7eca639ff2cc01046579 : 2074 + 0x70]
[task 2020-07-20T21:41:42.969Z] 21:41:42     INFO -     eip = 0x5352be14   esp = 0x0c75f4ac   ebp = 0x0c75f724   ebx = 0x0f734848
[task 2020-07-20T21:41:42.969Z] 21:41:42     INFO -     esi = 0x0c75f4b0   edi = 0x00000001
[task 2020-07-20T21:41:42.969Z] 21:41:42     INFO -     Found by: call frame info
[task 2020-07-20T21:41:42.969Z] 21:41:42     INFO -  8  xul.dll!mozilla::ipc::MessageChannel::MessageTask::Run() [MessageChannel.cpp:626dd9d4a4fbc4b0c9fd7eca639ff2cc01046579 : 1953 + 0xc3]
[task 2020-07-20T21:41:42.969Z] 21:41:42     INFO -     eip = 0x5352cc8e   esp = 0x0c75f72c   ebp = 0x0c75f754   ebx = 0x21687eb0
[task 2020-07-20T21:41:42.969Z] 21:41:42     INFO -     esi = 0x13082c40   edi = 0x13082c10
[task 2020-07-20T21:41:42.969Z] 21:41:42     INFO -     Found by: call frame info
[task 2020-07-20T21:41:42.969Z] 21:41:42     INFO -  9  xul.dll!nsThread::ProcessNextEvent(bool, bool*) [nsThread.cpp:626dd9d4a4fbc4b0c9fd7eca639ff2cc01046579 : 1234 + 0x6]
[task 2020-07-20T21:41:42.969Z] 21:41:42     INFO -     eip = 0x5286c1fa   esp = 0x0c75f75c   ebp = 0x0c75fcec   ebx = 0xffffffff
[task 2020-07-20T21:41:42.969Z] 21:41:42     INFO -     esi = 0x00000000   edi = 0x00863ec0
[task 2020-07-20T21:41:42.969Z] 21:41:42     INFO -     Found by: call frame info
[task 2020-07-20T21:41:42.969Z] 21:41:42     INFO - 10  xul.dll!mozilla::ipc::MessagePumpForNonMainThreads::Run(base::MessagePump::Delegate*) [MessagePump.cpp:626dd9d4a4fbc4b0c9fd7eca639ff2cc01046579 : 302 + 0x2a]
[task 2020-07-20T21:41:42.969Z] 21:41:42     INFO -     eip = 0x5286aa12   esp = 0x0c75fcf4   ebp = 0x0c75fd48   ebx = 0x002fe201
[task 2020-07-20T21:41:42.969Z] 21:41:42     INFO -     esi = 0x0f44fdc0   edi = 0x00000000
[task 2020-07-20T21:41:42.969Z] 21:41:42     INFO -     Found by: call frame info
[task 2020-07-20T21:41:42.969Z] 21:41:42     INFO - 11  xul.dll!MessageLoop::RunHandler() [message_loop.cc:626dd9d4a4fbc4b0c9fd7eca639ff2cc01046579 : 327 + 0x8]
[task 2020-07-20T21:41:42.969Z] 21:41:42     INFO -     eip = 0x5350ac04   esp = 0x0c75fd50   ebp = 0x0c75fd80   ebx = 0x002fe2ec
[task 2020-07-20T21:41:42.970Z] 21:41:42     INFO -     esi = 0x0c75fdb0   edi = 0x0c75fdb0
[task 2020-07-20T21:41:42.970Z] 21:41:42     INFO -     Found by: call frame info
[task 2020-07-20T21:41:42.970Z] 21:41:42     INFO - 12  xul.dll!MessageLoop::Run() [message_loop.cc:626dd9d4a4fbc4b0c9fd7eca639ff2cc01046579 : 309 + 0x5]
[task 2020-07-20T21:41:42.970Z] 21:41:42     INFO -     eip = 0x5284a561   esp = 0x0c75fd88   ebp = 0x0c75fda0   ebx = 0x002fe2ec
[task 2020-07-20T21:41:42.970Z] 21:41:42     INFO -     esi = 0x00863ec0   edi = 0x0c75fdb0
[task 2020-07-20T21:41:42.970Z] 21:41:42     INFO -     Found by: call frame info
[task 2020-07-20T21:41:42.970Z] 21:41:42     INFO - 13  xul.dll!static nsThread::ThreadFunc(void*) [nsThread.cpp:626dd9d4a4fbc4b0c9fd7eca639ff2cc01046579 : 447 + 0x7]
[task 2020-07-20T21:41:42.970Z] 21:41:42     INFO -     eip = 0x530bd31e   esp = 0x0c75fda8   ebp = 0x0c75fe80
[task 2020-07-20T21:41:42.970Z] 21:41:42     INFO -     Found by: call frame info
[task 2020-07-20T21:41:42.970Z] 21:41:42     INFO - 14  nss3.dll!_PR_NativeRunThread(void*) [pruthr.c:626dd9d4a4fbc4b0c9fd7eca639ff2cc01046579 : 399 + 0x6]
[task 2020-07-20T21:41:42.970Z] 21:41:42     INFO -     eip = 0x696057c6   esp = 0x0c75fe88   ebp = 0x0c75fea8   ebx = 0x0eff8190
[task 2020-07-20T21:41:42.970Z] 21:41:42     INFO -     esi = 0x0eff8190   edi = 0x0081d44c
[task 2020-07-20T21:41:42.970Z] 21:41:42     INFO -     Found by: call frame info
[task 2020-07-20T21:41:42.970Z] 21:41:42     INFO - 15  nss3.dll!pr_root(void*) [w95thred.c:626dd9d4a4fbc4b0c9fd7eca639ff2cc01046579 : 139 + 0x7]
[task 2020-07-20T21:41:42.970Z] 21:41:42     INFO -     eip = 0x695f798d   esp = 0x0c75feb0   ebp = 0x0c75feb4   ebx = 0x0038bfe0
[task 2020-07-20T21:41:42.970Z] 21:41:42     INFO -     esi = 0x695f7980   edi = 0x0038bfe0
[task 2020-07-20T21:41:42.970Z] 21:41:42     INFO -     Found by: call frame info
[task 2020-07-20T21:41:42.970Z] 21:41:42     INFO - 16  ucrtbase.dll!__RtlConvertUlongToLargeInteger + 0x8489
[task 2020-07-20T21:41:42.971Z] 21:41:42     INFO -     eip = 0x6aace16f   esp = 0x0c75febc   ebp = 0x0c75fef0
[task 2020-07-20T21:41:42.971Z] 21:41:42     INFO -     Found by: call frame info
[task 2020-07-20T21:41:42.971Z] 21:41:42     INFO - 17  kernel32.dll! ?? ?? ::FNODOBFM::`string' + 0x46
[task 2020-07-20T21:41:42.971Z] 21:41:42     INFO -     eip = 0x75ddef3c   esp = 0x0c75fef8   ebp = 0x0c75fefc
[task 2020-07-20T21:41:42.971Z] 21:41:42     INFO -     Found by: previous frame's frame pointer
[task 2020-07-20T21:41:42.971Z] 21:41:42     INFO - 18  ntdll.dll!__RtlUserThreadStart + 0x27
[task 2020-07-20T21:41:42.971Z] 21:41:42     INFO -     eip = 0x77813618   esp = 0x0c75ff04   ebp = 0x0c75ff3c
[task 2020-07-20T21:41:42.971Z] 21:41:42     INFO -     Found by: previous frame's frame pointer
[task 2020-07-20T21:41:42.971Z] 21:41:42     INFO - 19  ntdll.dll!_RtlUserThreadStart + 0x1b
[task 2020-07-20T21:41:42.971Z] 21:41:42     INFO -     eip = 0x778135eb   esp = 0x0c75ff44   ebp = 0x0c75ff54
[task 2020-07-20T21:41:42.971Z] 21:41:42     INFO -     Found by: call frame info
[task 2020-07-20T21:41:42.971Z] 21:41:42     INFO - 
```

Back to Bug 1578042 Comment 38