Bug: Intermittent browser/components/preferences/tests/browser_engines.js | single tracking bug
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2023-02-18 07:58:12+00:00
Resolved: 2023-03-28 18:04:04+00:00

**Filed by:** smolnar [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=406118327&repo=mozilla-central
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/FebyP6wuQOG9KQIB9EOlYQ/runs/0/artifacts/public/logs/live_backing.log

---
```
INFO - TEST-PASS | browser/components/preferences/tests/browser_engines.js | Remove button is in correct disable state - 
[task 2023-02-18T07:22:34.849Z] 07:22:34     INFO - Leaving test bound test_remove_button_disabled_state
[task 2023-02-18T07:22:34.849Z] 07:22:34     INFO - Buffered messages logged at 07:08:51
[task 2023-02-18T07:22:34.850Z] 07:22:34     INFO - Console message: [JavaScript Error: "Timeout while waiting for extension child to shutdown: "Generated extension" (ID: example@tests.mozilla.org, moz-extension://557a19f7-b020-4119-86ea-9cf5e0bc5816/)" {file: "resource://gre/modules/Extension.jsm" line: 3404}]
[task 2023-02-18T07:22:34.850Z] 07:22:34     INFO - shutdown@resource://gre/modules/Extension.jsm:3404:10
[task 2023-02-18T07:22:34.850Z] 07:22:34     INFO - 
[task 2023-02-18T07:22:34.851Z] 07:22:34     INFO - Buffered messages logged at 07:16:24
[task 2023-02-18T07:22:34.852Z] 07:22:34     INFO - Console message: [JavaScript Error: "1676704584829	addons.xpi	ERROR	System addon update list error Error: got node name: html, expected: updates" {file: "resource://gre/modules/Log.sys.mjs" line: 723}]
[task 2023-02-18T07:22:34.852Z] 07:22:34     INFO - append@resource://gre/modules/Log.sys.mjs:723:12
[task 2023-02-18T07:22:34.852Z] 07:22:34     INFO - log@resource://gre/modules/Log.sys.mjs:377:16
[task 2023-02-18T07:22:34.852Z] 07:22:34     INFO - error@resource://gre/modules/Log.sys.mjs:385:10
[task 2023-02-18T07:22:34.852Z] 07:22:34     INFO - updateSystemAddons/res<@resource://gre/modules/addons/XPIInstall.jsm:4104:25
[task 2023-02-18T07:22:34.852Z] 07:22:34     INFO - 
[task 2023-02-18T07:22:34.852Z] 07:22:34     INFO - Buffered messages finished
[task 2023-02-18T07:22:34.853Z] 07:22:34    ERROR - TEST-UNEXPECTED-TIMEOUT | browser/components/preferences/tests/browser_engines.js | application timed out after 370 seconds with no output
[task 2023-02-18T07:22:34.853Z] 07:22:34  WARNING - Force-terminating active process(es).
[task 2023-02-18T07:22:34.854Z] 07:22:34     INFO - Determining child pids from psutil...
[task 2023-02-18T07:22:34.854Z] 07:22:34     INFO - [632]
[task 2023-02-18T07:22:34.855Z] 07:22:34     INFO - ==> process 632 launched child process 3880 ("Z:\task_167669931761529\build\application\firefox\firefox.exe" -contentproc --channel="632.0.1990727015\2046788470" -parentBuildID 20230218045051 -prefsHandle 2136 -prefMapHandle 2128 -prefsLen 21513 -prefMapSize 248764 -appDir "Z:\task_167669931761529\build\application\firefox\browser" - {029d239f-f8b0-499a-b6f8-918d3ca44d2a} 632 "\\.\pipe\gecko-crash-server-pipe.632" 2216 157cddf8f58 gpu)
[task 2023-02-18T07:22:34.856Z] 07:22:34     INFO - ==> process 632 launched child process 1904 ("Z:\task_167669931761529\build\application\firefox\firefox.exe" -contentproc --channel="632.1.1790681733\51269581" -parentBuildID 20230218045051 -prefsHandle 2436 -prefMapHandle 2412 -prefsLen 21513 -prefMapSize 248764 -win32kLockedDown -appDir "Z:\task_167669931761529\build\application\firefox\browser" - {09ae47e1-df92-4829-a639-7e800a6cb1c1} 632 "\\.\pipe\gecko-crash-server-pipe.632" 2460 157cddf9e58 socket)
[task 2023-02-18T07:22:34.857Z] 07:22:34     INFO - ==> process 632 launched child process 8724 ("Z:\task_167669931761529\build\application\firefox\firefox.exe" -contentproc --channel="632.2.1392602729\1463104077" -childID 1 -isForBrowser -prefsHandle 3008 -prefMapHandle 3004 -prefsLen 21339 -prefMapSize 248764 -jsInitHandle 1404 -jsInitLen 257264 -parentBuildID 20230218045051 -win32kLockedDown -appDir "Z:\task_167669931761529\build\application\firefox\browser" - {36d14425-2ad6-428a-afff-64d139c363ba} 632 "\\.\pipe\gecko-crash-server-pipe.632" 3020 157d1331858 tab)
[task 2023-02-18T07:22:34.858Z] 07:22:34     INFO - ==> process 632 launched child process 9164 ("Z:\task_167669931761529\build\application\firefox\firefox.exe" -contentproc --channel="632.3.724250728\881527768" -childID 2 -isForBrowser -prefsHandle 3416 -prefMapHandle 3412 -prefsLen 22875 -prefMapSize 248764 -jsInitHandle 1404 -jsInitLen 257264 -parentBuildID 20230218045051 -win32kLockedDown -appDir "Z:\task_167669931761529\build\application\firefox\browser" - {d4b26542-87b2-4866-bf65-2b012508b209} 632 "\\.\pipe\gecko-crash-server-pipe.632" 3432 157d39a4a58 tab)
[task 2023-02-18T07:22:34.859Z] 07:22:34     INFO - ==> process 632 launched child process 5088 ("Z:\task_167669931761529\build\application\firefox\firefox.exe" -contentproc --channel="632.4.112545980\367487375" -childID 3 -isForBrowser -prefsHandle 3628 -prefMapHandle 3632 -prefsLen 22535 -prefMapSize 248764 -jsInitHandle 1404 -jsInitLen 257264 -parentBuildID 20230218045051 -win32kLockedDown -appDir "Z:\task_167669931761529\build\application\firefox\browser" - {17d60812-b2e9-45f3-8233-3aba3d688393} 632 "\\.\pipe\gecko-crash-server-pipe.632" 3552 157d4232558 tab)
[task 2023-02-18T07:22:34.859Z] 07:22:34     INFO - ==> process 632 launched child process 7000 ("Z:\task_167669931761529\build\application\firefox\firefox.exe" -contentproc --channel="632.5.1034577414\533455946" -parentBuildID 20230218045051 -sandboxingKind 0 -prefsHandle 4440 -prefMapHandle 4432 -prefsLen 30250 -prefMapSize 248764 -win32kLockedDown -appDir "Z:\task_167669931761529\build\application\firefox\browser" - {f29e6ede-1387-4be0-95e9-c3a5ddf3a96c} 632 "\\.\pipe\gecko-crash-server-pipe.632" 4364 157d68c2858 utility)
[task 2023-02-18T07:22:34.860Z] 07:22:34     INFO - ==> process 632 launched child process 8160 ("Z:\task_167669931761529\build\application\firefox\firefox.exe" -contentproc --channel="632.6.1417673100\848611058" -childID 4 -isForBrowser -prefsHandle 4552 -prefMapHandle 4548 -prefsLen 28089 -prefMapSize 248764 -jsInitHandle 1404 -jsInitLen 257264 -parentBuildID 20230218045051 -win32kLockedDown -appDir "Z:\task_167669931761529\build\application\firefox\browser" - {030a63ee-f13d-431e-9a0e-51a94da8082b} 632 "\\.\pipe\gecko-crash-server-pipe.632" 3052 157d7980f58 tab)
[task 2023-02-18T07:22:34.861Z] 07:22:34     INFO - ==> process 632 launched child process 7884 ("Z:\task_167669931761529\build\application\firefox\firefox.exe" -contentproc --channel="632.7.1988957330\1805065077" -childID 5 -isForBrowser -prefsHandle 4568 -prefMapHandle 4576 -prefsLen 28089 -prefMapSize 248764 -jsInitHandle 1404 -jsInitLen 257264 -parentBuildID 20230218045051 -win32kLockedDown -appDir "Z:\task_167669931761529\build\application\firefox\browser" - {4f6476a0-9f92-4952-9f94-de3d2ce6e143} 632 "\\.\pipe\gecko-crash-server-pipe.632" 4440 157d7981858 tab)
[task 2023-02-18T07:22:34.863Z] 07:22:34     INFO - ==> process 632 launched child process 4152 ("Z:\task_167669931761529\build\application\firefox\firefox.exe" -contentproc --channel="632.8.1692382030\282348602" -childID 6 -isForBrowser -prefsHandle 4732 -prefMapHandle 4728 -prefsLen 30250 -prefMapSize 248764 -jsInitHandle 1404 -jsInitLen 257264 -parentBuildID 20230218045051 -win32kLockedDown -appDir "Z:\task_167669931761529\build\application\firefox\browser" - {4fa17594-5347-4926-879d-479b119d0640} 632 "\\.\pipe\gecko-crash-server-pipe.632" 3104 157d797f158 tab)
[task 2023-02-18T07:22:34.863Z] 07:22:34     INFO - ==> process 632 launched child process 5396 ("Z:\task_167669931761529\build\application\firefox\firefox.exe" -contentproc --channel="632.9.2021820864\582765982" -childID 7 -isForBrowser -prefsHandle 5668 -prefMapHandle 5280 -prefsLen 28764 -prefMapSize 248764 -jsInitHandle 1404 -jsInitLen 257264 -parentBuildID 20230218045051 -win32kLockedDown -appDir "Z:\task_167669931761529\build\application\firefox\browser" - {5d89f85d-69c6-4873-b581-9cf6aba62cba} 632 "\\.\pipe\gecko-crash-server-pipe.632" 5480 157d98ebf58 tab)
[task 2023-02-18T07:22:34.864Z] 07:22:34     INFO - ==> process 632 launched child process 7568 ("Z:\task_167669931761529\build\application\firefox\firefox.exe" -contentproc --channel="632.10.241866484\2018093361" -childID 8 -isForBrowser -prefsHandle 5672 -prefMapHandle 5680 -prefsLen 28764 -prefMapSize 248764 -jsInitHandle 1404 -jsInitLen 257264 -parentBuildID 20230218045051 -win32kLockedDown -appDir "Z:\task_167669931761529\build\application\firefox\browser" - {340b2594-c8c1-405d-b7a7-8611dee659d2} 632 "\\.\pipe\gecko-crash-server-pipe.632" 5548 157dc694c58 tab)
[task 2023-02-18T07:22:34.865Z] 07:22:34     INFO - ==> process 632 launched child process 1300 ("Z:\task_167669931761529\build\application\firefox\firefox.exe" -contentproc --channel="632.11.2098751271\564632477" -childID 9 -isForBrowser -prefsHandle 6076 -prefMapHandle 6072 -prefsLen 28764 -prefMapSize 248764 -jsInitHandle 1404 -jsInitLen 257264 -parentBuildID 20230218045051 -win32kLockedDown -appDir "Z:\task_167669931761529\build\application\firefox\browser" - {9794eb29-a78b-488c-8aef-45c79daf96c3} 632 "\\.\pipe\gecko-crash-server-pipe.632" 6024 157d98eb958 tab)
[task 2023-02-18T07:22:34.865Z] 07:22:34     INFO - Found child pids: {5088, 8160, 3880, 9164, 7884, 1904, 7568, 7000, 8724, 5396, 1300, 632, 4152}
[task 2023-02-18T07:22:34.866Z] 07:22:34     INFO - Failed to get child procs
<...>
WARNING - mozcrash kill_pid(): unable to get handle for pid 8724: 87
[task 2023-02-18T07:22:35.415Z] 07:22:35     INFO - Killing process: 5396
[task 2023-02-18T07:22:35.416Z] 07:22:35     INFO - Not taking screenshot here: see the one that was previously logged
[task 2023-02-18T07:22:35.416Z] 07:22:35     INFO - mozcrash Writing a dump to C:\Users\task_167669931761529\AppData\Local\Temp\tmpsqtjxrzt.mozrunner\minidumps\81501d1c-052c-44cd-afc2-a9e8b4fc5deb.dmp for [5396]
[task 2023-02-18T07:22:35.443Z] 07:22:35     INFO - Killing process: 1300
[task 2023-02-18T07:22:35.455Z] 07:22:35     INFO - Not taking screenshot here: see the one that was previously logged
[task 2023-02-18T07:22:35.456Z] 07:22:35     INFO - mozcrash Writing a dump to C:\Users\task_167669931761529\AppData\Local\Temp\tmpsqtjxrzt.mozrunner\minidumps\9116cb50-4945-47b3-af99-417e9492f4b2.dmp for [1300]
[task 2023-02-18T07:22:35.483Z] 07:22:35     INFO - Killing process: 632
[task 2023-02-18T07:22:35.495Z] 07:22:35     INFO - Not taking screenshot here: see the one that was previously logged
[task 2023-02-18T07:22:35.495Z] 07:22:35     INFO - mozcrash Writing a dump to C:\Users\task_167669931761529\AppData\Local\Temp\tmpsqtjxrzt.mozrunner\minidumps\39ce893f-2e35-4e06-bd25-88fb28b561d0.dmp for [632]
[task 2023-02-18T07:22:35.697Z] 07:22:35     INFO - Killing process: 4152
[task 2023-02-18T07:22:35.703Z] 07:22:35     INFO - Not taking screenshot here: see the one that was previously logged
[task 2023-02-18T07:22:35.704Z] 07:22:35     INFO - mozcrash Writing a dump to C:\Users\task_167669931761529\AppData\Local\Temp\tmpsqtjxrzt.mozrunner\minidumps\f41787da-f6e4-4ddd-b86c-bb0ebb1c6596.dmp for [4152]
[task 2023-02-18T07:22:35.704Z] 07:22:35  WARNING - mozcrash unable to get handle for pid 4152: 87
[task 2023-02-18T07:22:35.705Z] 07:22:35  WARNING - mozcrash kill_pid(): unable to get handle for pid 4152: 87
[task 2023-02-18T07:22:35.705Z] 07:22:35     INFO - Killing process: 8328
[task 2023-02-18T07:22:35.706Z] 07:22:35     INFO - Not taking screenshot here: see the one that was previously logged
[task 2023-02-18T07:22:35.706Z] 07:22:35     INFO - mozcrash Writing a dump to C:\Users\task_167669931761529\AppData\Local\Temp\tmpsqtjxrzt.mozrunner\minidumps\e23aaf27-c42c-4de5-b30e-f9a9d4fc26b6.dmp for [8328]
[task 2023-02-18T07:22:35.707Z] 07:22:35  WARNING - mozcrash unable to dump minidump file for pid 8328: -2147024597
[task 2023-02-18T07:22:35.707Z] 07:22:35  WARNING - mozcrash kill_pid(): unable to terminate pid 8328: 5
[task 2023-02-18T07:22:35.708Z] 07:22:35     INFO - psutil found pid 8328 dead
[task 2023-02-18T07:22:35.709Z] 07:22:35     INFO - TEST-INFO | Main app process: exit 1
[task 2023-02-18T07:22:35.709Z] 07:22:35     INFO - Buffered messages finished
[task 2023-02-18T07:22:35.709Z] 07:22:35    ERROR - TEST-UNEXPECTED-FAIL | browser/components/preferences/tests/browser_engines.js | application terminated with exit code 1
[task 2023-02-18T07:22:35.710Z] 07:22:35     INFO - runtests.py | Application ran for: 0:14:41.335094
[task 2023-02-18T07:22:35.710Z] 07:22:35     INFO - zombiecheck | Reading PID log: C:\Users\task_167669931761529\AppData\Local\Temp\tmpe0wrpvnfpidlog
[task 2023-02-18T07:22:35.711Z] 07:22:35     INFO - ==> process 632
<...>
INFO - zombiecheck | Checking for orphan process with PID: 4152
[task 2023-02-18T07:22:35.730Z] 07:22:35  WARNING - mozcrash Found 12 dump files -- limited to 10!
[task 2023-02-18T07:22:35.731Z] 07:22:35     INFO - mozcrash Downloading symbols from: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/PYFY0D0JRimpAn3NwtdS1A/artifacts/public/build/target.crashreporter-symbols.zip
[task 2023-02-18T07:22:48.911Z] 07:22:48     INFO - mozcrash Copy/paste: Z:/task_167669931761529/fetches\minidump-stackwalk\minidump-stackwalk.exe --symbols-url=https://symbols.mozilla.org/ --cyborg=C:\Users\task_167669931761529\AppData\Local\Temp\tmpl1a5_qwx\efb6cce1-b54e-40be-81e5-6e47d2af2c37.trace C:\Users\task_167669931761529\AppData\Local\Temp\tmpsqtjxrzt.mozrunner\minidumps\efb6cce1-b54e-40be-81e5-6e47d2af2c37.dmp C:\Users\task_167669931761529\AppData\Local\Temp\tmp_d3fi_9f
[task 2023-02-18T07:22:56.179Z] 07:22:56     INFO -  Traceback (most recent call last):
[task 2023-02-18T07:22:56.187Z] 07:22:56     INFO -    File "Z:\task_167669931761529\build\venv\lib\site-packages\mozcrash\mozcrash.py", line 448, in _generate_signature
[task 2023-02-18T07:22:56.187Z] 07:22:56     INFO -      frames = crash_json.get("crashing_thread").get("frames")
[task 2023-02-18T07:22:56.188Z] 07:22:56     INFO -  AttributeError: 'NoneType' object has no attribute 'get'
[task 2023-02-18T07:22:56.190Z] 07:22:56     INFO - mozcrash Saved minidump as Z:\task_167669931761529\build\blobber_upload_dir\efb6cce1-b54e-40be-81e5-6e47d2af2c37.dmp
[task 2023-02-18T07:22:56.295Z] 07:22:56     INFO - PROCESS-CRASH | browser/components/preferences/tests/browser_engines.js | application crashed [an error occurred while generating the signature: 'NoneType' object has no attribute 'get']
[task 2023-02-18T07:22:56.295Z] 07:22:56     INFO - Crash dump filename: C:\Users\task_167669931761529\AppData\Local\Temp\tmpsqtjxrzt.mozrunner\minidumps\efb6cce1-b54e-40be-81e5-6e47d2af2c37.dmp
[task 2023-02-18T07:22:56.295Z] 07:22:56     INFO - Operating system: Windows NT
[task 2023-02-18T07:22:56.295Z] 07:22:56     INFO -                   10.0.19041
[task 2023-02-18T07:22:56.307Z] 07:22:56     INFO - CPU: amd64
[task 2023-02-18T07:22:56.307Z] 07:22:56     INFO -      family 6 model 106 stepping 6
[task 2023-02-18T07:22:56.307Z] 07:22:56     INFO -      8 CPUs
[task 2023-02-18T07:22:56.307Z] 07:22:56     INFO - 
[task 2023-02-18T07:22:56.307Z] 07:22:56     INFO - No crash
[task 2023-02-18T07:22:56.307Z] 07:22:56     INFO - Process uptime: 877 seconds
[task 2023-02-18T07:22:56.307Z] 07:22:56     INFO - 
[task 2023-02-18T07:22:56.307Z] 07:22:56     INFO - Thread 0 MainThread
[task 2023-02-18T07:22:56.307Z] 07:22:56     INFO -  0  ntdll.dll!NtWaitForAlertByThreadId + 0x14
[task 2023-02-18T07:22:56.307Z] 07:22:56     INFO -      rax = 0x00000000000001d0    rdx = 0x0000000000000000
[task 2023-02-18T07:22:56.307Z] 07:22:56     INFO -      rcx = 0x000001b795578060    rbx = 0x0000000000000000
[task 2023-02-18T07:22:56.307Z] 07:22:56     INFO -      rsi = 0x0000000000000000    rdi = 0x000001b795578060
[task 2023-02-18T07:22:56.307Z] 07:22:56     INFO -      rbp = 0x0000005e603fe9a0    rsp = 0x0000005e603fe948
[task 2023-02-18T07:22:56.307Z] 07:22:56     INFO -       r8 = 0x0000005e603fe948     r9 = 0x0000005e603fe9a0
[task 2023-02-18T07:22:56.307Z] 07:22:56     INFO -      r10 = 0x0000000000000000    r11 = 0x0000005e603fe9a0
[task 2023-02-18T07:22:56.307Z] 07:22:56     INFO -      r12 = 0x0000000000000000    r13 = 0x0000000000000000
[task 2023-02-18T07:22:56.307Z] 07:22:56     INFO -      r14 = 0x0000005e603fe970    r15 = 0x000001b7955780f0
[task 2023-02-18T07:22:56.307Z] 07:22:56     INFO -      rip = 0x00007ffb076d0764
[task 2023-02-18T07:22:56.307Z] 07:22:56     INFO -     Found by: given as instruction pointer in context
[task 2023-02-18T07:22:56.307Z] 07:22:56     INFO -  1  ntdll.dll!RtlSleepConditionVariableSRW + 0x130
INFO -      rbx = 0x0000000000000000    rbp = 0x0000005e603fe9a0
[task 2023-02-18T07:22:56.307Z] 07:22:56     INFO -      rsp = 0x0000005e603fe950    r12 = 0x0000000000000000
[task 2023-02-18T07:22:56.308Z] 07:22:56     INFO -      r13 = 0x0000000000000000    r14 = 0x0000005e603fe970
[task 2023-02-18T07:22:56.308Z] 07:22:56     INFO -      r15 = 0x000001b7955780f0    rip = 0x00007ffb07694021
[task 2023-02-18T07:22:56.308Z] 07:22:56     INFO -     Found by: call frame info
[task 2023-02-18T07:22:56.308Z] 07:22:56     INFO -  2  KERNELBASE.dll!SleepConditionVariableSRW + 0x28
[task 2023-02-18T07:22:56.308Z] 07:22:56     INFO -      rbx = 0x0000000000000001    rsi = 0x0000000000000001
[task 2023-02-18T07:22:56.308Z] 07:22:56     INFO -      rdi = 0x0000000000000001    rbp = 0x0000000000000001
[task 2023-02-18T07:22:56.308Z] 07:22:56     INFO -      rsp = 0x0000005e603fe9d0    r12 = 0x0000005e603fea68
[task 2023-02-18T07:22:56.308Z] 07:22:56     INFO -      r13 = 0x000001b7955780f0    r14 = 0x00007ffafcc882d0
[task 2023-02-18T07:22:56.308Z] 07:22:56     INFO -      r15 = 0x00007ffad26859c4    rip = 0x00007ffb04dace89
[task 2023-02-18T07:22:56.308Z] 07:22:56     INFO -     Found by: call frame info
[task 2023-02-18T07:22:56.308Z] 07:22:56     INFO -  3  mozglue.dll!mozilla::detail::ConditionVariableImpl::wait(mozilla::detail::MutexImpl&) [ConditionVariable_windows.cpp:50be9c4a3f06a51184d57ee6a82543ddf5ea4241 : 50 + 0xe]
[task 2023-02-18T07:22:56.308Z] 07:22:56     INFO -      rbx = 0x0000000000000001    rbp = 0x0000000000000001
[task 2023-02-18T07:22:56.308Z] 07:22:56     INFO -      rsp = 0x0000005e603fea10    r12 = 0x0000005e603fea68
[task 2023-02-18T07:22:56.308Z] 07:22:56     INFO -      r13 = 0x000001b7955780f0    r14 = 0x00007ffafcc882d0
[task 2023-02-18T07:22:56.308Z] 07:22:56     INFO -      r15 = 0x00007ffad26859c4    rip = 0x00007ffafcc882e3
[task 2023-02-18T07:22:56.308Z] 07:22:56     INFO -     Found by: call frame info
[task 2023-02-18T07:22:56.308Z] 07:22:56     INFO -  4  xul.dll!mozilla::OffTheBooksCondVar::Wait() [CondVar.h:50be9c4a3f06a51184d57ee6a82543ddf5ea4241 : 58]
[task 2023-02-18T07:22:56.309Z] 07:22:56     INFO -     Found by: inlining
[task 2023-02-18T07:22:56.309Z] 07:22:56     INFO -  5  xul.dll!mozilla::TaskController::GetRunnableForMTTask(bool) [TaskController.cpp:50be9c4a3f06a51184d57ee6a82543ddf5ea4241 : 584 + 0x11]
[task 2023-02-18T07:22:56.309Z] 07:22:56     INFO -      rbx = 0x0000000000000001    rbp = 0x0000000000000001
[task 2023-02-18T07:22:56.309Z] 07:22:56     INFO -      rsp = 0x0000005e603fea40    r12 = 0x0000005e603fea68
[task 2023-02-18T07:22:56.309Z] 07:22:56     INFO -      r13 = 0x000001b7955780f0    r14 = 0x00007ffafcc882d0
[task 2023-02-18T07:22:56.309Z] 07:22:56     INFO -      r15 = 0x00007ffad26859c4    rip = 0x00007ffacdcfce60
[task 2023-02-18T07:22:56.309Z] 07:22:56     INFO -     Found by: call frame info
[task 2023-02-18T07:22:56.309Z] 07:22:56     INFO -  6  xul.dll!nsThread::ProcessNextEvent(bool, bool*) [nsThread.cpp:50be9c4a3f06a51184d57ee6a82543ddf5ea4241 : 1159 + 0x4]
[task 2023-02-18T07:22:56.309Z] 07:22:56     INFO -      rbx = 0x000001b7955141c0    rsi = 0x000001b795545100
[task 2023-02-18T07:22:56.309Z] 07:22:56     INFO -      rdi = 0x000001b7955141b0    rbp = 0x0000000000000000
[task 2023-02-18T07:22:56.310Z] 07:22:56     INFO -      rsp = 0x0000005e603feac0    r12 = 0x0000000000000000
[task 2023-02-18T07:22:56.310Z] 07:22:56     INFO -      r13 = 0x000001b79557a090    r14 = 0x000001b795518350
[task 2023-02-18T07:22:56.310Z] 07:22:56     INFO -      r15 = 0x00007ffafccf2700    rip = 0x00007ffacdb8c26a
[task 2023-02-18T07:22:56.310Z] 07:22:56     INFO -     Found by: call frame info
[task 2023-02-18T07:22:56.310Z] 07:22:56     INFO -  7  xul.dll!NS_ProcessNextEvent(nsIThread*, bool) [nsThreadUtils.cpp:50be9c4a3f06a51184d57ee6a82543ddf5ea4241 : 477]
[task 2023-02-18T07:22:56.310Z] 07:22:56     INFO -     Found by: inlining
[task 2023-02-18T07:22:56.310Z] 07:22:56     INFO -  8  xul.dll!mozilla::ipc::MessagePump::Run(base::MessagePump::Delegate*) [MessagePump.cpp:50be9c4a3f06a51184d57ee6a82543ddf5ea4241 : 107 + 0x28]
[task 2023-02-18T07:22:56.310Z] 07:22:56     INFO -      rbx = 0x000001b79557a090    rsi = 0x000001b795518330
<...>
```