1947444 - Intermittent Assertion failure: !mConn, at /builds/worker/checkouts/gecko/toolkit/components/places/ConcurrentConnection.cpp:193

Status: RESOLVED INCOMPLETE

(Toolkit :: Places, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: smolnar [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer?job_id=494342684&repo=try
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/PYsxSJSnSXCdrPO9rF0cLg/runs/0/artifacts/public/logs/live_backing.log

---

[WARN  webrender::device::gl] Cropping texture upload Box2D((0, 0), (0, 1)) to None
[task 2025-02-11T10:41:45.365Z] 10:41:45     INFO -  [Parent 3756, Main Thread] WARNING: NS_ENSURE_TRUE(mPresShell) failed: file /builds/worker/checkouts/gecko/layout/generic/nsFrameSelection.cpp:1708
[task 2025-02-11T10:41:45.489Z] 10:41:45     INFO -  [Parent 3756, Main Thread] WARNING: NS_ENSURE_TRUE(mPresShell) failed: file /builds/worker/checkouts/gecko/layout/generic/nsFrameSelection.cpp:1708
[task 2025-02-11T10:41:45.538Z] 10:41:45     INFO -  [Parent 3756, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, rv) failed with result 0x80004005 (NS_ERROR_FAILURE): file /builds/worker/checkouts/gecko/chrome/nsChromeRegistry.cpp:182
[task 2025-02-11T10:41:45.539Z] 10:41:45     INFO -  [Parent 3756, Main Thread] WARNING: 'NS_FAILED(rv)', file /builds/worker/checkouts/gecko/chrome/nsChromeProtocolHandler.cpp:73
[task 2025-02-11T10:41:45.550Z] 10:41:45     INFO -  [Parent 3756, Main Thread] WARNING: Failed to retarget HTML data delivery to the parser thread.: file /builds/worker/checkouts/gecko/parser/html/nsHtml5StreamParser.cpp:1215
[task 2025-02-11T10:41:45.669Z] 10:41:45     INFO -  [Parent 3756, Main Thread] WARNING: [l10n][mutations] Failed to start a refresh observer.: file /builds/worker/checkouts/gecko/dom/l10n/L10nMutations.cpp:327
[task 2025-02-11T10:41:45.709Z] 10:41:45     INFO -  [3756] Assertion failure: !mConn, at /builds/worker/checkouts/gecko/toolkit/components/places/ConcurrentConnection.cpp:193
[task 2025-02-11T10:41:45.884Z] 10:41:45     INFO -  #01: GIFFT_LabeledTimingDistributionCancel[D:\task_173926991048697\build\application\firefox\xul.dll +0x76a3c8c]
[task 2025-02-11T10:41:45.885Z] 10:41:45     INFO -  #02: DumpCompleteHeap[D:\task_173926991048697\build\application\firefox\xul.dll +0x15c1ac4]
[task 2025-02-11T10:41:45.886Z] 10:41:45     INFO -  #03: ???[D:\task_173926991048697\build\application\firefox\xul.dll +0x75375e]
[task 2025-02-11T10:41:45.886Z] 10:41:45     INFO -  #04: ???[D:\task_173926991048697\build\application\firefox\xul.dll +0x7486e9]
[task 2025-02-11T10:41:45.886Z] 10:41:45     INFO -  #05: ???[D:\task_173926991048697\build\application\firefox\xul.dll +0x746228]
[task 2025-02-11T10:41:45.886Z] 10:41:45     INFO -  #06: ???[D:\task_173926991048697\build\application\firefox\xul.dll +0x74673a]
[task 2025-02-11T10:41:45.886Z] 10:41:45     INFO -  #07: ???[D:\task_173926991048697\build\application\firefox\xul.dll +0x756777]
[task 2025-02-11T10:41:45.887Z] 10:41:45     INFO -  #08: ???[D:\task_173926991048697\build\application\firefox\xul.dll +0x77173c]
[task 2025-02-11T10:41:45.887Z] 10:41:45     INFO -  #09: ???[D:\task_173926991048697\build\application\firefox\xul.dll +0x7793b1]
[task 2025-02-11T10:41:45.887Z] 10:41:45     INFO -  #10: mozilla_net_is_label_safe[D:\task_173926991048697\build\application\firefox\xul.dll +0x13793f8]
[task 2025-02-11T10:41:45.888Z] 10:41:45     INFO -  #11: mozilla_net_is_label_safe[D:\task_173926991048697\build\application\firefox\xul.dll +0x12e46cf]
[task 2025-02-11T10:41:45.888Z] 10:41:45     INFO -  #12: mozilla_net_is_label_safe[D:\task_173926991048697\build\application\firefox\xul.dll +0x12e459f]
[task 2025-02-11T10:41:45.888Z] 10:41:45     INFO -  #13: VR_RuntimePath[D:\task_173926991048697\build\application\firefox\xul.dll +0x66c1b28]
[task 2025-02-11T10:41:45.888Z] 10:41:45     INFO -  #14: VR_RuntimePath[D:\task_173926991048697\build\application\firefox\xul.dll +0x67d44e4]
[task 2025-02-11T10:41:45.889Z] 10:41:45     INFO -  #15: GIFFT_LabeledTimingDistributionCancel[D:\task_173926991048697\build\application\firefox\xul.dll +0x7862957]
[task 2025-02-11T10:41:45.889Z] 10:41:45     INFO -  #16: GIFFT_LabeledTimingDistributionCancel[D:\task_173926991048697\build\application\firefox\xul.dll +0x79ff974]
[task 2025-02-11T10:41:45.889Z] 10:41:45     INFO -  #17: GIFFT_LabeledTimingDistributionCancel[D:\task_173926991048697\build\application\firefox\xul.dll +0x7a02952]
[task 2025-02-11T10:41:45.889Z] 10:41:45     INFO -  #18: GIFFT_LabeledTimingDistributionCancel[D:\task_173926991048697\build\application\firefox\xul.dll +0x7a03820]
[task 2025-02-11T10:41:45.890Z] 10:41:45     INFO -  #19: ???[D:\task_173926991048697\build\application\firefox\firefox.exe +0x18b4]
[task 2025-02-11T10:41:45.891Z] 10:41:45     INFO -  #20: ???[D:\task_173926991048697\build\application\firefox\firefox.exe +0x1247]
[task 2025-02-11T10:41:45.891Z] 10:41:45     INFO -  #21: TargetNtUnmapViewOfSection[D:\task_173926991048697\build\application\firefox\firefox.exe +0xa49a8]
[task 2025-02-11T10:41:45.891Z] 10:41:45     INFO -  #22: BaseThreadInitThunk[C:\Windows\System32\KERNEL32.DLL +0x2e8d7]
[task 2025-02-11T10:41:45.891Z] 10:41:45     INFO -  #23: RtlUserThreadStart[C:\Windows\SYSTEM32\ntdll.dll +0xdfbcc]
[task 2025-02-11T10:41:46.384Z] 10:41:46     INFO -  mozcrash Copy/paste: D:/task_173926991048697/fetches\minidump-stackwalk\minidump-stackwalk.exe --symbols-url=https://symbols.mozilla.org/ --cyborg=C:\Users\task_173926991048697\AppData\Local\Temp\tmp1nqvgife\7bd46b4f-43e2-41e2-a867-fbd1803fb46a.trace C:\Users\task_173926991048697\AppData\Local\Temp\tmpv1p655xm.mozrunner\minidumps\7bd46b4f-43e2-41e2-a867-fbd1803fb46a.dmp D:\task_173926991048697\build\symbols
[task 2025-02-11T10:41:56.551Z] 10:41:56     INFO -  mozcrash Saved minidump as D:\task_173926991048697\build\blobber_upload_dir\7bd46b4f-43e2-41e2-a867-fbd1803fb46a.dmp
[task 2025-02-11T10:41:56.553Z] 10:41:56     INFO -  mozcrash Saved app info as D:\task_173926991048697\build\blobber_upload_dir\7bd46b4f-43e2-41e2-a867-fbd1803fb46a.extra
[task 2025-02-11T10:41:56.561Z] 10:41:56    ERROR -  PROCESS-CRASH | MOZ_ASSERT(!mConn) [@ mozilla::places::ConcurrentConnection::Complete] | browser/components/sessionstore/test/marionette/test_restore_sidebar.py TestSessionRestore.test_restore_sidebar_open_from_backup_pref
[task 2025-02-11T10:41:56.561Z] 10:41:56     INFO -  Process type: main
[task 2025-02-11T10:41:56.561Z] 10:41:56     INFO -  Process pid: 3756
[task 2025-02-11T10:41:56.561Z] 10:41:56     INFO -  Mozilla crash reason: MOZ_ASSERT(!mConn)
[task 2025-02-11T10:41:56.562Z] 10:41:56     INFO -  Crash dump filename: C:\Users\task_173926991048697\AppData\Local\Temp\tmpv1p655xm.mozrunner\minidumps\7bd46b4f-43e2-41e2-a867-fbd1803fb46a.dmp
[task 2025-02-11T10:41:56.562Z] 10:41:56     INFO -  Operating system: Windows NT
[task 2025-02-11T10:41:56.562Z] 10:41:56     INFO -                    10.0.26100
[task 2025-02-11T10:41:56.562Z] 10:41:56     INFO -  CPU: amd64
[task 2025-02-11T10:41:56.562Z] 10:41:56     INFO -       family 6 model 106 stepping 6
[task 2025-02-11T10:41:56.562Z] 10:41:56     INFO -       8 CPUs
[task 2025-02-11T10:41:56.563Z] 10:41:56     INFO -  Crash reason:  EXCEPTION_BREAKPOINT
[task 2025-02-11T10:41:56.563Z] 10:41:56     INFO -  Crash address: 0x00007ffbde8b3c9d
[task 2025-02-11T10:41:56.563Z] 10:41:56     INFO -  Crashing instruction: `int 0x3`
[task 2025-02-11T10:41:56.563Z] 10:41:56     INFO -  No memory accessed by instruction
[task 2025-02-11T10:41:56.563Z] 10:41:56     INFO -  No instruction pointer update by instruction
[task 2025-02-11T10:41:56.563Z] 10:41:56     INFO -  Process uptime: 3 seconds
[task 2025-02-11T10:41:56.564Z] 10:41:56     INFO -  Thread 0 MainThread (crashed) - tid: 6572
[task 2025-02-11T10:41:56.564Z] 10:41:56     INFO -   0  xul.dll!mozilla::places::ConcurrentConnection::Complete(nsresult, nsISupports*) [ConcurrentConnection.cpp:978066be465ef6de8328a55a5a0f8b1a7ea2b621 : 193 + 0x0]
[task 2025-02-11T10:41:56.564Z] 10:41:56     INFO -       rax = 0x00007ffbe38599ac    rdx = 0x0000000000000000
[task 2025-02-11T10:41:56.564Z] 10:41:56     INFO -       rcx = 0x00007ffbfa63b2e8    rbx = 0x0000000000000000
[task 2025-02-11T10:41:56.564Z] 10:41:56     INFO -       rsi = 0x000001b32c2f6720    rdi = 0x000000b1417ff0c8
[task 2025-02-11T10:41:56.565Z] 10:41:56     INFO -       rbp = 0x0000000000000000    rsp = 0x000000b1417fed40
[task 2025-02-11T10:41:56.565Z] 10:41:56     INFO -        r8 = 0x000000b1417ffdd0     r9 = 0x00007ffc23cfc48c
[task 2025-02-11T10:41:56.566Z] 10:41:56     INFO -       r10 = 0x0000000000000008    r11 = 0x000000b1417fe2d0
[task 2025-02-11T10:41:56.566Z] 10:41:56     INFO -       r12 = 0x000001b32c885190    r13 = 0x000000b1417fee6f
[task 2025-02-11T10:41:56.566Z] 10:41:56     INFO -       r14 = 0x000001b32c8458d0    r15 = 0x000001b31a374f70
[task 2025-02-11T10:41:56.566Z] 10:41:56     INFO -       rip = 0x00007ffbde8b3c9d
[task 2025-02-11T10:41:56.566Z] 10:41:56     INFO -      Found by: given as instruction pointer in context
[task 2025-02-11T10:41:56.567Z] 10:41:56     INFO -   1  xul.dll!mozilla::storage::CallbackComplete::Run() [mozStorageConnection.h:978066be465ef6de8328a55a5a0f8b1a7ea2b621 : 548 + 0xf]
[task 2025-02-11T10:41:56.567Z] 10:41:56     INFO -       rbx = 0x000001b31a375070    rsi = 0x000001b32c2dd1f0
[task 2025-02-11T10:41:56.567Z] 10:41:56     INFO -       rdi = 0x000000b1417ff0c8    rbp = 0x0000000000000000
[task 2025-02-11T10:41:56.567Z] 10:41:56     INFO -       rsp = 0x000000b1417fedb0    r12 = 0x000001b32c885190
[task 2025-02-11T10:41:56.567Z] 10:41:56     INFO -       r13 = 0x000000b1417fee6f    r14 = 0x000001b31a379040
[task 2025-02-11T10:41:56.568Z] 10:41:56     INFO -       r15 = 0x000001b31a374f70    rip = 0x00007ffbd87d1ac4
[task 2025-02-11T10:41:56.568Z] 10:41:56     INFO -      Found by: call frame info
[task 2025-02-11T10:41:56.568Z] 10:41:56     INFO -   2  xul.dll!mozilla::RunnableTask::Run() [TaskController.cpp:978066be465ef6de8328a55a5a0f8b1a7ea2b621 : 714 + 0xc]
[task 2025-02-11T10:41:56.568Z] 10:41:56     INFO -       rbx = 0x000001b31a375070    rsi = 0x000001b32c885190
[task 2025-02-11T10:41:56.568Z] 10:41:56     INFO -       rdi = 0x000000b1417ff0c8    rbp = 0x0000000000000000
[task 2025-02-11T10:41:56.569Z] 10:41:56     INFO -       rsp = 0x000000b1417fedf0    r12 = 0x000001b32c885190
[task 2025-02-11T10:41:56.569Z] 10:41:56     INFO -       r13 = 0x000000b1417fee6f    r14 = 0x000001b31a379040
[task 2025-02-11T10:41:56.569Z] 10:41:56     INFO -       r15 = 0x000001b31a374f70    rip = 0x00007ffbd796375e
[task 2025-02-11T10:41:56.569Z] 10:41:56     INFO -      Found by: call frame info
[task 2025-02-11T10:41:56.570Z] 10:41:56     INFO -   3  xul.dll!mozilla::TaskController::RunTask(mozilla::Task*) [TaskController.cpp:978066be465ef6de8328a55a5a0f8b1a7ea2b621 : 250]
[task 2025-02-11T10:41:56.570Z] 10:41:56     INFO -      Found by: inlining
[task 2025-02-11T10:41:56.570Z] 10:41:56     INFO -   4  xul.dll!mozilla::TaskController::DoExecuteNextTaskOnlyMainThreadInternal(mozilla::detail::BaseAutoLock<mozilla::Mutex &> const&) [TaskController.cpp:978066be465ef6de8328a55a5a0f8b1a7ea2b621 : 1143 + 0x10]
[task 2025-02-11T10:41:56.570Z] 10:41:56     INFO -       rbx = 0x000001b31a375070    rsi = 0x000001b31a374f40
[task 2025-02-11T10:41:56.570Z] 10:41:56     INFO -       rbp = 0x0000000000000000    rsp = 0x000000b1417fee20
[task 2025-02-11T10:41:56.571Z] 10:41:56     INFO -       r12 = 0x000001b32c885190    r13 = 0x000000b1417fee6f
[task 2025-02-11T10:41:56.571Z] 10:41:56     INFO -       r14 = 0x000001b31a379040    r15 = 0x000001b31a374f70
[task 2025-02-11T10:41:56.571Z] 10:41:56     INFO -       rip = 0x00007ffbd79586e9
[task 2025-02-11T10:41:56.571Z] 10:41:56     INFO -      Found by: call frame info
[task 2025-02-11T10:41:56.571Z] 10:41:56     INFO -   5  xul.dll!mozilla::TaskController::ExecuteNextTaskOnlyMainThreadInternal(mozilla::detail::BaseAutoLock<mozilla::Mutex &> const&) [TaskController.cpp:978066be465ef6de8328a55a5a0f8b1a7ea2b621 : 966 + 0xa]
[task 2025-02-11T10:41:56.572Z] 10:41:56     INFO -       rbx = 0x000001b31a33f100    rsi = 0x000001b31a374f40
[task 2025-02-11T10:41:56.572Z] 10:41:56     INFO -       rdi = 0x000000b1417ff0c8    rbp = 0x0000000000000000
[task 2025-02-11T10:41:56.572Z] 10:41:56     INFO -       rsp = 0x000000b1417ff000    r12 = 0x0000000000000001
[task 2025-02-11T10:41:56.572Z] 10:41:56     INFO -       r13 = 0xaaaaaaaaaaaaaaaa    r14 = 0x000000b1417ff200
[task 2025-02-11T10:41:56.572Z] 10:41:56     INFO -       r15 = 0x0000000000000000    rip = 0x00007ffbd7956228
[task 2025-02-11T10:41:56.573Z] 10:41:56     INFO -      Found by: call frame info
[task 2025-02-11T10:41:56.573Z] 10:41:56     INFO -   6  xul.dll!mozilla::TaskController::ProcessPendingMTTask(bool) [TaskController.cpp:978066be465ef6de8328a55a5a0f8b1a7ea2b621 : 650 + 0x7]
[task 2025-02-11T10:41:56.573Z] 10:41:56     INFO -       rbx = 0x000001b31a379058    rsi = 0x000001b31a374f40
[task 2025-02-11T10:41:56.574Z] 10:41:56     INFO -       rdi = 0x000001b31a374f70    rbp = 0x0000000000000000
[task 2025-02-11T10:41:56.574Z] 10:41:56     INFO -       rsp = 0x000000b1417ff090    r12 = 0x0000000000000001
[task 2025-02-11T10:41:56.574Z] 10:41:56     INFO -       r13 = 0xaaaaaaaaaaaaaaaa    r14 = 0x000000b1417ff200
[task 2025-02-11T10:41:56.574Z] 10:41:56     INFO -       r15 = 0x0000000000000000    rip = 0x00007ffbd795673a
[task 2025-02-11T10:41:56.574Z] 10:41:56     INFO -      Found by: call frame info
[task 2025-02-11T10:41:56.575Z] 10:41:56     INFO -   7  xul.dll!mozilla::TaskController::TaskController::<lambda_5>::operator()() const [TaskController.cpp:978066be465ef6de8328a55a5a0f8b1a7ea2b621 : 351]
[task 2025-02-11T10:41:56.575Z] 10:41:56     INFO -      Found by: inlining

Comment 1

[Intermittent Failures Robot]

Summary

3 failures in 5022 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 2
• try: 1

Platform and build breakdown:

• linux1804-64-qr: 2
  • debug: 2
• windows11-64-24h2: 1
  • debug: 1

Table

	no_variant	swr
linux1804-64-qr--/debug	1	1
windows11-64-24h2--/debug	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1947444&startday=2025-02-10&endday=2025-02-16&tree=all

Comment 2

[Intermittent Failures Robot]

Summary

2 failures in 4340 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 1
• autoland: 1

Platform and build breakdown:

• linux1804-64-qr: 1
  • debug: 1
• windows11-64-24h2: 1
  • debug: 1

Table

	no_variant
linux1804-64-qr--/debug	1
windows11-64-24h2--/debug	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1947444&startday=2025-02-17&endday=2025-02-23&tree=all

Comment 3

[Intermittent Failures Robot]

Summary

6 failures in 4564 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 4
• mozilla-central: 2

Platform and build breakdown:

• linux1804-64-qr: 4
  • debug: 4
• linux2204-64-wayland: 2
  • debug: 2

Table

	headless	no_variant	swr
linux1804-64-qr--/debug		2	2
linux2204-64-wayland--/debug	2

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1947444&startday=2025-02-24&endday=2025-03-02&tree=all

Comment 4

[Intermittent Failures Robot]

Summary

9 failures in 4009 pushes (0.002 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 4
• mozilla-beta: 2
• try: 1
• mozilla-central: 2

Platform and build breakdown:

• linux1804-64-qr: 2
  • debug: 2
• linux2204-64-wayland: 2
  • debug: 2
• windows11-32-24h2: 2
  • debug: 2
• windows11-64-24h2: 3
  • debug: 3

Table

	headless	no_variant
linux1804-64-qr--/debug	1	1
linux2204-64-wayland--/debug	2
windows11-32-24h2--/debug		2
windows11-64-24h2--/debug		3

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1947444&startday=2025-03-03&endday=2025-03-09&tree=all

Comment 5

[Intermittent Failures Robot]

Summary

11 failures in 4826 pushes (0.002 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 5
• autoland: 4
• mozilla-beta: 1
• try: 1

Platform and build breakdown:

• linux1804-64-qr: 5
  • debug: 5
• linux2204-64-wayland: 2
  • debug: 2
• windows11-32-24h2: 1
  • debug: 1
• windows11-64-24h2: 3
  • debug: 3

Table

	headless	no_variant	swr
linux1804-64-qr--/debug	3	1	1
linux2204-64-wayland--/debug	2
windows11-32-24h2--/debug		1
windows11-64-24h2--/debug		3

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1947444&startday=2025-03-10&endday=2025-03-16&tree=all

Comment 6

[Intermittent Failures Robot]

Summary

13 failures in 5035 pushes (0.003 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 8
• try: 2
• mozilla-central: 2
• mozilla-beta: 1

Platform and build breakdown:

• linux1804-64-qr: 9
  • debug: 9
• linux2204-64-wayland: 2
  • debug: 2
• windows11-64-24h2: 2
  • debug: 2

Table

	headless	no_variant	swr
linux1804-64-qr--/debug	6	1	2
linux2204-64-wayland--/debug	2
windows11-64-24h2--/debug		2

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1947444&startday=2025-03-17&endday=2025-03-23&tree=all

Comment 7

[Intermittent Failures Robot]

Repository breakdown:

• mozilla-central: 5
• autoland: 9
• try: 2

Table

	headless	no_variant
linux1804-64-qr--/debug	11	3
linux2204-64-wayland--/debug	2

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1947444&startday=2025-03-24&endday=2025-03-30&tree=all

Comment 8

[Intermittent Failures Robot]

9 failures were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-beta: 3
• autoland: 4
• try: 1
• mozilla-central: 1

Table

	headless	no_variant
linux1804-64-qr--/debug	6	2
linux2204-64-wayland--/debug	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1947444&startday=2025-03-31&endday=2025-04-06&tree=all

Comment 9

[Intermittent Failures Robot]

8 failures were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 3
• autoland: 5

Table

	headless	no_variant	swr
linux1804-64-qr--/debug	3	2	3

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1947444&startday=2025-04-07&endday=2025-04-13&tree=all

Comment 10

[Intermittent Failures Robot]

11 failures were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 7
• mozilla-central: 3
• mozilla-beta: 1

Table

	headless	no_variant	swr
linux1804-64-qr--/debug	7	1	3

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1947444&startday=2025-04-14&endday=2025-04-20&tree=all

Comment 11

[Intermittent Failures Robot]

27 failures were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 7
• autoland: 15
• try: 5

Table

	headless	no_variant	swr
linux1804-64-qr--/debug	16	6	1
linux2204-64-wayland--/debug	4

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1947444&startday=2025-04-21&endday=2025-04-27&tree=all

Comment 12

[Intermittent Failures Robot]

23 failures were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 14
• mozilla-central: 7
• try: 2

Table

	headless	no_variant	nofis-swr	swr
linux1804-64-qr--/debug	9	4	1	8
linux2204-64-wayland--/debug	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1947444&startday=2025-04-28&endday=2025-05-04&tree=all

Comment 13

[Intermittent Failures Robot]

13 failures were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 2
• mozilla-beta: 5
• autoland: 6

Table

	headless	no_variant	swr
linux1804-x86_64/debug	3	5	2
linux2204-x86_64/debug	3

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1947444&startday=2025-05-05&endday=2025-05-11&tree=all

Comment 14

[Intermittent Failures Robot]

5 failures were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 1
• mozilla-beta: 1
• autoland: 3

Table

	headless	swr
linux1804-x86_64/debug	4
windows11-x86/debug		1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1947444&startday=2025-05-12&endday=2025-05-18&tree=all

Comment 15

[Intermittent Failures Robot]

2 failures were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 2

Table

	headless	no_variant
linux1804-x86_64/debug	1	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1947444&startday=2025-05-19&endday=2025-05-25&tree=all

Comment 16

[Intermittent Failures Robot]

15 failures were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 13
• mozilla-central: 1
• try: 1

Table

	headless	no_variant	swr
linux1804-x86_64/debug	4	3	1
linux2204-x86_64/debug	2
windows11-x86_64/debug		1	4

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1947444&startday=2025-05-26&endday=2025-06-01&tree=all

Comment 17

[Intermittent Failures Robot]

23 failures were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 17
• mozilla-central: 4
• try: 2

Table

	headless	no_variant	swr
linux1804-x86_64/debug	1	7
windows11-x86_64/debug		12	3

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1947444&startday=2025-06-02&endday=2025-06-08&tree=all

Comment 18

[Intermittent Failures Robot]

20 failures were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 16
• mozilla-central: 3
• try: 1

Table

	no_variant	swr
linux1804-x86_64/debug	1
windows11-x86_64/debug	1	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1947444&startday=2025-06-09&endday=2025-06-15&tree=all

Comment 19

[Intermittent Failures Robot]

17 failures were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 6
• autoland: 10
• try: 1

Table

	headless	no_variant	swr
linux1804-x86_64/debug	1	6
linux2404-x86_64/debug		2
windows11-x86_64/debug		5	3

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1947444&startday=2025-06-16&endday=2025-06-22&tree=all

Comment 20

[Intermittent Failures Robot]

18 failures were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 11
• mozilla-beta: 4
• mozilla-central: 2
• try: 1

Table

	headless	no_variant	swr
linux2204-x86_64/debug	2
linux2404-x86_64/debug	2	2
windows11-x86_64/debug		11	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1947444&startday=2025-06-23&endday=2025-06-29&tree=all

Comment 21

[Intermittent Failures Robot]

26 failures were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 5
• mozilla-beta: 11
• autoland: 9
• try: 1

Table

	headless	no_variant	swr
linux2204-x86_64/debug	1	1
linux2404-x86_64/debug	1	3	1
windows11-x86_64/debug		17	2

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1947444&startday=2025-06-30&endday=2025-07-06&tree=all

Comment 22

[Intermittent Failures Robot]

13 failures were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 3
• autoland: 7
• try: 2
• mozilla-beta: 1

Table

	no_variant	swr
linux2404-x86_64/debug	1	2
windows11-x86_64/debug	7	3

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1947444&startday=2025-07-14&endday=2025-07-20&tree=all

Comment 23

[Intermittent Failures Robot]

22 failures were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 9
• mozilla-beta: 10
• mozilla-central: 1
• try: 2

Table

	no_variant	swr
linux2404-x86_64/debug	2	1
windows11-x86_64/debug	14	5

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1947444&startday=2025-07-21&endday=2025-07-27&tree=all

Comment 24

[Intermittent Failures Robot]

16 failures were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 11
• mozilla-beta: 3
• try: 2

Table

	headless	no_variant	swr
linux2204-x86_64/debug	2
linux2404-x86_64/debug	1	1	2
windows11-x86_64/debug		10

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1947444&startday=2025-07-28&endday=2025-08-03&tree=all

Comment 25

[Intermittent Failures Robot]

12 failures were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-esr140: 1
• mozilla-central: 4
• autoland: 5
• try: 2

Table

	headless	http3	no_variant
linux1804-x86_64/debug		1
linux2204-x86_64/debug	1
linux2404-x86_64/debug	3		1
windows11-x86_64/debug			6

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1947444&startday=2025-08-11&endday=2025-08-17&tree=all

Comment 26

[Intermittent Failures Robot]

17 failures were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-beta: 2
• mozilla-release: 1
• autoland: 11
• mozilla-central: 2
• try: 1

Table

	headless	no_variant	swr
linux2404-x86_64/debug	2	2	1
windows11-x86_64/debug		10	2

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1947444&startday=2025-08-18&endday=2025-08-24&tree=all

Comment 27

[Intermittent Failures Robot]

22 failures were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 11
• mozilla-beta: 4
• mozilla-central: 7

Table

	headless	no_variant	swr
linux2404-x86_64/debug	3	2	1
windows11-x86_64/debug		16

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1947444&startday=2025-08-25&endday=2025-08-31&tree=all

Comment 28

[Intermittent Failures Robot]

24 failures were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 11
• mozilla-beta: 6
• try: 4
• autoland: 3

Table

	headless	no_variant	swr
linux2204-x86_64/debug	2
linux2404-x86_64/debug	3	4
windows11-x86_64/debug		13	2

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1947444&startday=2025-09-01&endday=2025-09-07&tree=all

Comment 29

[Intermittent Failures Robot]

10 failures were associated with this bug in the last 7 days.

Repository breakdown:

• try: 2
• mozilla-beta: 3
• autoland: 3
• mozilla-central: 2

Table

	headless	no_variant	swr
linux2404-x86_64/debug	1
windows11-x86_64/debug		7	2

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1947444&startday=2025-09-08&endday=2025-09-14&tree=all

Comment 30

[Manuel Bucher [:manuel]]

Attachment: bt.html

I've just hit this assert. During startup with session restore (but had other startups with session restore happen without hitting this assert). Attaching output of bt and bt full.

#10 0x00007f9b7efb71c4 in MOZ_CrashSequence (aAddress=0x0, aLine=196) at /home/user/dev/firefox/obj-debug/dist/include/mozilla/Assertions.h:248
#11 mozilla::places::ConcurrentConnection::Complete (this=0x7f9b457aae40, aRv=nsresult::NS_OK, aData=0x7f9b4caeabb0) at /home/user/dev/firefox/toolkit/components/places/ConcurrentConnection.cpp:196
#12 0x00007f9b7efb730d in non-virtual thunk to mozilla::places::ConcurrentConnection::Complete(nsresult, nsISupports*) () from /home/user/dev/firefox/obj-debug/dist/bin/libxul.so
#13 0x00007f9b78f215e0 in mozilla::storage::CallbackComplete::Run (this=0x7f9b46421e80) at /home/user/dev/firefox/storage/mozStorageConnection.h:548
#14 0x00007f9b781091e8 in mozilla::RunnableTask::Run (this=0x7f9b438aca80) at /home/user/dev/firefox/xpcom/threads/TaskController.cpp:705
#15 0x00007f9b780ffec8 in mozilla::TaskController::DoExecuteNextTaskOnlyMainThreadInternal (this=this@entry=0x7f9b89c20900, aProofOfLock=...) at /home/user/dev/firefox/xpcom/threads/TaskController.cpp:1325
#16 0x00007f9b780fd808 in mozilla::TaskController::ExecuteNextTaskOnlyMainThreadInternal (this=this@entry=0x7f9b89c20900, aProofOfLock=...) at /home/user/dev/firefox/xpcom/threads/TaskController.cpp:1148
#17 0x00007f9b780fdc86 in mozilla::TaskController::ProcessPendingMTTask (this=0x7f9b89c20900, aMayWait=false) at /home/user/dev/firefox/xpcom/threads/TaskController.cpp:641
#18 0x00007f9b78102a97 in mozilla::TaskController::TaskController()::$_0::operator()() const (this=<optimized out>) at /home/user/dev/firefox/xpcom/threads/TaskController.cpp:333
#19 mozilla::detail::RunnableFunction<mozilla::TaskController::TaskController()::$_0>::Run (this=<optimized out>) at /home/user/dev/firefox/xpcom/threads/nsThreadUtils.h:549
#20 0x00007f9b78124f5b in nsThread::ProcessNextEvent (this=0x7f9b89c54120, aMayWait=<optimized out>, aResult=0x7ffcabf5ce3f) at /home/user/dev/firefox/xpcom/threads/nsThread.cpp:1157
#21 0x00007f9b7812ae60 in NS_ProcessNextEvent (aThread=0x7f9b8c00b780, aThread@entry=0x7f9b89c54120, aMayWait=false) at /home/user/dev/firefox/xpcom/threads/nsThreadUtils.cpp:462
#22 0x00007f9b78d12951 in mozilla::ipc::MessagePump::Run (this=0x7f9b6da63ac0, aDelegate=0x7f9b89c91a40) at /home/user/dev/firefox/ipc/glue/MessagePump.cpp:85
#23 0x00007f9b78c4fa72 in MessageLoop::RunHandler (this=0x7f9b8c00b780) at /home/user/dev/firefox/ipc/chromium/src/base/message_loop.cc:366
#24 MessageLoop::Run (this=0x7f9b8c00b780) at /home/user/dev/firefox/ipc/chromium/src/base/message_loop.cc:348
#25 0x00007f9b7e0c6ed9 in nsBaseAppShell::Run (this=0x7f9b861a1100) at /home/user/dev/firefox/widget/nsBaseAppShell.cpp:148
#26 0x00007f9b7e1adbd5 in nsAppShell::Run (this=0x7f9b861a1100) at /home/user/dev/firefox/widget/gtk/nsAppShell.cpp:471
#27 0x00007f9b7f204ad5 in nsAppStartup::Run (this=0x7f9b6d3aef10) at /home/user/dev/firefox/toolkit/components/startup/nsAppStartup.cpp:291
#28 0x00007f9b7f374a6f in XREMain::XRE_mainRun (this=this@entry=0x7ffcabf5d160) at /home/user/dev/firefox/toolkit/xre/nsAppRunner.cpp:5889
#29 0x00007f9b7f375bb8 in XREMain::XRE_main (this=this@entry=0x7ffcabf5d160, argc=argc@entry=3, argv=argv@entry=0x7ffcabf5e4b8, aConfig=...) at /home/user/dev/firefox/toolkit/xre/nsAppRunner.cpp:6134
#30 0x00007f9b7f376639 in XRE_main (argc=3, argv=0x7ffcabf5e4b8, aConfig=...) at /home/user/dev/firefox/toolkit/xre/nsAppRunner.cpp:6207
#31 0x000055ef1d0ef1e5 in do_main (argc=3, argv=0x7ffcabf5e4b8, envp=0x7ffcabf5e4d8) at /home/user/dev/firefox/browser/app/nsBrowserApp.cpp:229
#32 main (argc=3, argv=0x7ffcabf5e4b8, envp=0x7ffcabf5e4d8) at /home/user/dev/firefox/browser/app/nsBrowserApp.cpp:487

Comment 31

[Intermittent Failures Robot]

20 failures were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 5
• mozilla-beta: 5
• autoland: 10

Table

	headless	no_variant	swr
linux2204-x86_64/debug	1
linux2404-x86_64/debug	1	2	1
windows11-x86_64/debug		10	5

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1947444&startday=2025-09-15&endday=2025-09-21&tree=all

Comment 32

[Intermittent Failures Robot]

24 failures were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 16
• try: 2
• mozilla-central: 4
• mozilla-beta: 2

Table

	headless	no_variant	swr
linux2204-x86_64/debug	2
linux2404-x86_64/debug	9	1	5
windows11-x86_64/debug		5	2

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1947444&startday=2025-09-22&endday=2025-09-28&tree=all

Comment 33

[Intermittent Failures Robot]

26 failures were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-beta: 5
• try: 4
• autoland: 12
• mozilla-central: 5

Table

	headless	no_variant	swr
linux2204-x86_64/debug	2
linux2404-x86_64/debug	7		3
windows11-x86_64/debug		5	9

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1947444&startday=2025-09-29&endday=2025-10-05&tree=all

Comment 34

[Intermittent Failures Robot]

1 failures were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-esr140: 1

Table

	no_variant
linux1804-x86_64/debug	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1947444&startday=2025-10-06&endday=2025-10-12&tree=all

Comment 35

[Intermittent Failures Robot]

1 failures were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-esr140: 1

Table

	no_variant
linux1804-x86_64/debug	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1947444&startday=2025-10-13&endday=2025-10-19&tree=all

Comment 36

[BugBot [:suhaib / :marco/ :calixte]]

https://wiki.mozilla.org/Bug_Triage#Intermittent_Test_Failure_Cleanup
For more information, please visit BugBot documentation.

Comment 37

[Intermittent Failures Robot]

1 failures were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-esr140: 1

Table

	headless
linux2204-x86_64/debug	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1947444&startday=2025-11-17&endday=2025-11-23&tree=all

Comment 38

[Intermittent Failures Robot]

1 failures were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-esr140: 1

Table

	http3
linux1804-x86_64/debug	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1947444&startday=2025-12-08&endday=2025-12-14&tree=all