Bug: Intermittent [Tier 2] browser/base/content/test/general/browser_contentAltClick.js | application crashed [@ _dispatch_lane_class_dispose + 0x78]
Status: RESOLVED
Priority: --
Resolution: INCOMPLETE
Created: 2021-09-13 17:35:41+00:00
Resolved: 2023-06-22 20:28:46+00:00

**Filed by:** smolnar [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=351403484&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/QLGWAJ_nTTGecdhAj5owaw/runs/0/artifacts/public/logs/live_backing.log

---
```
INFO - Entering test bound test_alt_click
[task 2021-09-13T16:58:06.766Z] 16:58:06     INFO - Console message: [JavaScript Error: "The character encoding of the HTML document was not declared. The document will render with garbled text in some browser configurations if the document contains characters from outside the US-ASCII range. The character encoding of the page must be declared in the document or in the transfer protocol." {file: "data:text/html,<p><a id="commonlink" href="http://mochi.test/moz/">Common link</a></p><p><math id="mathlink" xmlns="http://www.w3.org/1998/Math/MathML" href="http://mochi.test/moz/"><mtext>MathML XLink</mtext></math></p><p><svg id="svgxlink" xmlns="http://www.w3.org/2000/svg" width="100px" height="50px" version="1.1"><a xlink:type="simple" xlink:href="http://mochi.test/moz/"><text transform="translate(10, 25)">SVG XLink</text></a></svg></p><br><span id="host"></span><script>document.getElementById("host").a" line: 0}]
[task 2021-09-13T16:58:06.766Z] 16:58:06     INFO - Buffered messages finished
[task 2021-09-13T16:58:06.766Z] 16:58:06    ERROR - TEST-UNEXPECTED-FAIL | browser/base/content/test/general/browser_contentAltClick.js | application terminated with exit code 6
[task 2021-09-13T16:58:06.766Z] 16:58:06     INFO - runtests.py | Application ran for: 0:00:43.442371
<...>
INFO - mozcrash Downloading symbols from: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/ISPfQioYQ1SYHt2_8rVnrA/artifacts/public/build/target.crashreporter-symbols.zip
[task 2021-09-13T16:58:10.484Z] 16:58:10     INFO - mozcrash Copy/paste: /opt/worker/tasks/task_1631551927/fetches/minidump_stackwalk/minidump_stackwalk /var/folders/6y/dcbfqwn10w7dcnsgtfxkmfnh000014/T/tmp7irszg9i.mozrunner/minidumps/81127845-6CF1-4AE1-BA12-7F678B114838.dmp /var/folders/6y/dcbfqwn10w7dcnsgtfxkmfnh000014/T/tmpqiq7891y
[task 2021-09-13T16:58:16.153Z] 16:58:16     INFO - mozcrash Saved minidump as /opt/worker/tasks/task_1631551927/build/blobber_upload_dir/81127845-6CF1-4AE1-BA12-7F678B114838.dmp
[task 2021-09-13T16:58:16.153Z] 16:58:16     INFO - mozcrash Saved app info as /opt/worker/tasks/task_1631551927/build/blobber_upload_dir/81127845-6CF1-4AE1-BA12-7F678B114838.extra
[task 2021-09-13T16:58:16.303Z] 16:58:16     INFO - PROCESS-CRASH | browser/base/content/test/general/browser_contentAltClick.js | application crashed [@ _dispatch_lane_class_dispose + 0x78]
[task 2021-09-13T16:58:16.303Z] 16:58:16     INFO - Crash dump filename: /var/folders/6y/dcbfqwn10w7dcnsgtfxkmfnh000014/T/tmp7irszg9i.mozrunner/minidumps/81127845-6CF1-4AE1-BA12-7F678B114838.dmp
[task 2021-09-13T16:58:16.303Z] 16:58:16     INFO - Operating system: Mac OS X
[task 2021-09-13T16:58:16.303Z] 16:58:16     INFO -                   11.2.3 20D91
<...>
INFO -     Found by: given as instruction pointer in context
[task 2021-09-13T16:58:16.303Z] 16:58:16     INFO -  1  libdispatch.dylib!_dispatch_lane_class_dispose + 0x78
[task 2021-09-13T16:58:16.303Z] 16:58:16     INFO -      fp = 0x000000016f7824a0    lr = 0x00000001a05e8250
[task 2021-09-13T16:58:16.303Z] 16:58:16     INFO -      sp = 0x000000016f782470    pc = 0x00000001a05ef694
[task 2021-09-13T16:58:16.303Z] 16:58:16     INFO -     Found by: previous frame's frame pointer
[task 2021-09-13T16:58:16.303Z] 16:58:16     INFO -  2  libdispatch.dylib!_dispatch_dispose + 0xb8
[task 2021-09-13T16:58:16.303Z] 16:58:16     INFO -      fp = 0x000000016f782510    lr = 0x0000000136432e58
[task 2021-09-13T16:58:16.303Z] 16:58:16     INFO -      sp = 0x000000016f7824b0    pc = 0x00000001a05e8250
[task 2021-09-13T16:58:16.303Z] 16:58:16     INFO -     Found by: previous frame's frame pointer
[task 2021-09-13T16:58:16.303Z] 16:58:16     INFO -  3  AppleMetalOpenGLRenderer!GLDContextRec::dealloc() + 0x300
[task 2021-09-13T16:58:16.303Z] 16:58:16     INFO -      fp = 0x000000016f782520    lr = 0x0000000136433150
[task 2021-09-13T16:58:16.303Z] 16:58:16     INFO -      sp = 0x000000016f782520    pc = 0x0000000136432e58
[task 2021-09-13T16:58:16.303Z] 16:58:16     INFO -     Found by: previous frame's frame pointer
[task 2021-09-13T16:58:16.303Z] 16:58:16     INFO -  4  AppleMetalOpenGLRenderer!gldDestroyContext + 0x10
[task 2021-09-13T16:58:16.303Z] 16:58:16     INFO -      fp = 0x000000016f782560    lr = 0x00000001e322abf0
[task 2021-09-13T16:58:16.303Z] 16:58:16     INFO -      sp = 0x000000016f782530    pc = 0x0000000136433150
[task 2021-09-13T16:58:16.303Z] 16:58:16     INFO -     Found by: previous frame's frame pointer
[task 2021-09-13T16:58:16.303Z] 16:58:16     INFO -  5  GLEngine!gliDestroyContext + 0x90
[task 2021-09-13T16:58:16.303Z] 16:58:16     INFO -      fp = 0x000000016f7825b0    lr = 0x00000001e300f290
[task 2021-09-13T16:58:16.303Z] 16:58:16     INFO -      sp = 0x000000016f782570    pc = 0x00000001e322abf0
[task 2021-09-13T16:58:16.303Z] 16:58:16     INFO -     Found by: previous frame's frame pointer
[task 2021-09-13T16:58:16.303Z] 16:58:16     INFO -  6  OpenGL!CGLReleaseContext + 0xd4
[task 2021-09-13T16:58:16.303Z] 16:58:16     INFO -      fp = 0x000000016f7825e0    lr = 0x00000001a33cd3e4
[task 2021-09-13T16:58:16.303Z] 16:58:16     INFO -      sp = 0x000000016f7825c0    pc = 0x00000001e300f290
[task 2021-09-13T16:58:16.303Z] 16:58:16     INFO -     Found by: previous frame's frame pointer
[task 2021-09-13T16:58:16.303Z] 16:58:16     INFO -  7  AppKit!-[NSOpenGLContext dealloc] + 0x44
[task 2021-09-13T16:58:16.303Z] 16:58:16     INFO -      fp = 0x000000016f782600    lr = 0x00000001033f00e8
[task 2021-09-13T16:58:16.303Z] 16:58:16     INFO -      sp = 0x000000016f7825f0    pc = 0x00000001a33cd3e4
[task 2021-09-13T16:58:16.303Z] 16:58:16     INFO -     Found by: previous frame's frame pointer
[task 2021-09-13T16:58:16.303Z] 16:58:16     INFO -  8  XUL!mozilla::gl::GLContextCGL::~GLContextCGL() [GLContextProviderCGL.mm:b50ef8e31c4c2dd8993366c68c2f6f87e5a4f68a : 65 + 0x70]
[task 2021-09-13T16:58:16.303Z] 16:58:16     INFO -      fp = 0x000000016f782620    lr = 0x0000000105db7284
[task 2021-09-13T16:58:16.303Z] 16:58:16     INFO -      sp = 0x000000016f782610    pc = 0x00000001033f00e8
[task 2021-09-13T16:58:16.304Z] 16:58:16     INFO -     Found by: previous frame's frame pointer
[task 2021-09-13T16:58:16.304Z] 16:58:16     INFO -  9  XUL!mozilla::layers::NativeLayerRootSnapshotterCA::~NativeLayerRootSnapshotterCA() [NativeLayerCA.mm:b50ef8e31c4c2dd8993366c68c2f6f87e5a4f68a : 394 + 0x18]
[task 2021-09-13T16:58:16.304Z] 16:58:16     INFO -      fp = 0x000000016f782630    lr = 0x0000000105db7374
[task 2021-09-13T16:58:16.304Z] 16:58:16     INFO -      sp = 0x000000016f782630    pc = 0x0000000105db7284
[task 2021-09-13T16:58:16.304Z] 16:58:16     INFO -     Found by: previous frame's frame pointer
[task 2021-09-13T16:58:16.304Z] 16:58:16     INFO - 10  XUL!mozilla::layers::NativeLayerRootSnapshotterCA::~NativeLayerRootSnapshotterCA() [NativeLayerCA.mm:b50ef8e31c4c2dd8993366c68c2f6f87e5a4f68a : 391 + 0x8]
[task 2021-09-13T16:58:16.304Z] 16:58:16     INFO -      fp = 0x000000016f782670    lr = 0x0000000105e385d4
[task 2021-09-13T16:58:16.304Z] 16:58:16     INFO -      sp = 0x000000016f782640    pc = 0x0000000105db7374
[task 2021-09-13T16:58:16.304Z] 16:58:16     INFO -     Found by: previous frame's frame pointer
```