1785300 - Intermittent Assertion failure: GetMediaTime() <= clockTime (Clock should go forwards.), at /builds/worker/checkouts/gecko/dom/media/MediaDecoderStateMachine.cpp:3621

Status: RESOLVED FIXED

(Core :: WebRTC, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: nbeleuzu [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer?job_id=387642256&repo=autoland
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/cGwMnyIvTvO9d-0ereX6Cw/runs/0/artifacts/public/logs/live_backing.log

---

[task 2022-08-17T17:31:06.769Z] 17:31:06     INFO - GECKO(8432) | [Child 8537, Socket Thread] WARNING: MediaPipeline Transport failed. This is not properly cleaned up yet: file /builds/worker/checkouts/gecko/dom/media/webrtc/transportbridge/MediaPipeline.cpp:406
[task 2022-08-17T17:31:07.131Z] 17:31:07     INFO - GECKO(8432) | [Child 8537, Main Thread] WARNING: Can't add a range if the end is older that the start.: file /builds/worker/checkouts/gecko/dom/html/TimeRanges.cpp:72
[task 2022-08-17T17:31:07.139Z] 17:31:07     INFO - GECKO(8432) | [Child 8537, Main Thread] WARNING: Can't add a range if the end is older that the start.: file /builds/worker/checkouts/gecko/dom/html/TimeRanges.cpp:72
[task 2022-08-17T17:31:09.036Z] 17:31:09     INFO - GECKO(8432) | Assertion failure: GetMediaTime() <= clockTime (Clock should go forwards.), at /builds/worker/checkouts/gecko/dom/media/MediaDecoderStateMachine.cpp:3621
[task 2022-08-17T17:31:09.059Z] 17:31:09     INFO -  Initializing stack-fixing for the first stack frame, this may take a while...
[task 2022-08-17T17:31:14.168Z] 17:31:14     INFO - GECKO(8432) | #01: mozilla::MediaDecoderStateMachine::GetClock(mozilla::TimeStamp*) const [dom/media/MediaDecoderStateMachine.cpp:3621]
[task 2022-08-17T17:31:14.168Z] 17:31:14     INFO - GECKO(8432) | #02: mozilla::MediaDecoderStateMachine::UpdatePlaybackPositionPeriodically() [dom/media/MediaDecoderStateMachine.cpp:3637]
[task 2022-08-17T17:31:14.168Z] 17:31:14     INFO - GECKO(8432) | #03: mozilla::MediaDecoderStateMachine::CompletedState::Step() [dom/media/MediaDecoderStateMachine.cpp:2062]
[task 2022-08-17T17:31:14.168Z] 17:31:14     INFO - GECKO(8432) | #04: mozilla::MediaDecoderStateMachine::RunStateMachine() [dom/media/MediaDecoderStateMachine.cpp:3584]
[task 2022-08-17T17:31:14.169Z] 17:31:14     INFO - GECKO(8432) | #05: mozilla::MozPromise<bool, bool, true>::ThenValue<mozilla::MediaDecoderStateMachine::ScheduleStateMachineIn(mozilla::media::TimeUnit const&)::$_34, mozilla::MediaDecoderStateMachine::ScheduleStateMachineIn(mozilla::media::TimeUnit const&)::$_35>::DoResolveOrRejectInternal(mozilla::MozPromise<bool, bool, true>::ResolveOrRejectValue&) [xpcom/threads/MozPromise.h:859]
[task 2022-08-17T17:31:14.169Z] 17:31:14     INFO - GECKO(8432) | #06: mozilla::MozPromise<bool, bool, true>::ThenValueBase::ResolveOrRejectRunnable::Run() [xpcom/threads/MozPromise.h:488]
[task 2022-08-17T17:31:14.169Z] 17:31:14     INFO - GECKO(8432) | #07: mozilla::TaskQueue::Runner::Run() [xpcom/threads/TaskQueue.cpp:266]
[task 2022-08-17T17:31:14.169Z] 17:31:14     INFO - GECKO(8432) | #08: nsThreadPool::Run() [xpcom/threads/nsThreadPool.cpp:312]
[task 2022-08-17T17:31:14.169Z] 17:31:14     INFO - GECKO(8432) | #09: nsThread::ProcessNextEvent(bool, bool*) [xpcom/threads/nsThread.cpp:1200]
[task 2022-08-17T17:31:14.170Z] 17:31:14     INFO - GECKO(8432) | #10: NS_ProcessNextEvent(nsIThread*, bool) [xpcom/threads/nsThreadUtils.cpp:465]
[task 2022-08-17T17:31:14.170Z] 17:31:14     INFO - GECKO(8432) | #11: mozilla::ipc::MessagePumpForNonMainThreads::Run(base::MessagePump::Delegate*) [ipc/glue/MessagePump.cpp:301]
[task 2022-08-17T17:31:14.170Z] 17:31:14     INFO - GECKO(8432) | #12: MessageLoop::RunInternal() [ipc/chromium/src/base/message_loop.cc:381]
[task 2022-08-17T17:31:14.171Z] 17:31:14     INFO - GECKO(8432) | #13: MessageLoop::Run() [ipc/chromium/src/base/message_loop.cc:357]
[task 2022-08-17T17:31:14.171Z] 17:31:14     INFO - GECKO(8432) | #14: nsThread::ThreadFunc(void*) [xpcom/threads/nsThread.cpp:386]
[task 2022-08-17T17:31:14.177Z] 17:31:14     INFO - GECKO(8432) | #15: _pt_root [nsprpub/pr/src/pthreads/ptthread.c:204]
[task 2022-08-17T17:31:14.199Z] 17:31:14     INFO - GECKO(8432) | #16: set_alt_signal_stack_and_start(PthreadCreateParams*) [toolkit/crashreporter/pthread_create_interposer/pthread_create_interposer.cpp:80]
[task 2022-08-17T17:31:14.200Z] 17:31:14     INFO - GECKO(8432) | #17: ??? [/lib/x86_64-linux-gnu/libpthread.so.0 + 0x76db]
[task 2022-08-17T17:31:14.204Z] 17:31:14     INFO - GECKO(8432) | #18: clone [/lib/x86_64-linux-gnu/libc.so.6 + 0x121a3f]
[task 2022-08-17T17:31:14.205Z] 17:31:14     INFO - GECKO(8432) | #19: ??? (???:???)

Comment 1

[Intermittent Failures Robot]

27 failures in 2916 pushes (0.009 failures/push) were associated with this bug in the last 7 days.

This is the #48 most frequent failure this week.

Repository breakdown:

• autoland: 17
• mozilla-central: 9
• try: 1

Platform and build breakdown:

• linux1804-64-qr: 21
  • debug: 21
• macosx1015-64-qr: 6
  • debug: 6

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1785300&startday=2022-08-15&endday=2022-08-21&tree=all

Comment 2

[Atila Butkovits]

There have been 42 failures in the last 7 days: https://treeherder.mozilla.org/intermittent-failures/bugdetails?startday=2022-08-19&endday=2022-08-26&tree=trunk&bug=1785300

Happens on:

• linux1804-64-qr debug
• macosx1015-64-qr debug

Recent failure log: https://treeherder.mozilla.org/logviewer?job_id=388526091&repo=mozilla-central&lineNumber=66629

Jim, could you assign someone to look into this?

Comment 3

[Intermittent Failures Robot]

51 failures in 3293 pushes (0.015 failures/push) were associated with this bug in the last 7 days.

This is the #12 most frequent failure this week.

** This failure happened more than 30 times this week! Resolving this bug is a high priority. **

** Try to resolve this bug as soon as possible. If unresolved for 2 weeks, the affected test(s) may be disabled. **

Repository breakdown:

• autoland: 35
• mozilla-beta: 6
• try: 3
• mozilla-central: 7

Platform and build breakdown:

• linux1804-64-qr: 45
  • debug: 45
• macosx1015-64-qr: 6
  • debug: 6

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1785300&startday=2022-08-22&endday=2022-08-28&tree=all

Comment 4

[Intermittent Failures Robot]

15 failures in 485 pushes (0.031 failures/push) were associated with this bug yesterday.

Repository breakdown:

• autoland: 7
• mozilla-central: 2
• try: 2
• mozilla-beta: 4

Platform and build breakdown:

• linux1804-64-qr: 11
  • debug: 11
• macosx1015-64-qr: 4
  • debug: 4

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1785300&startday=2022-08-29&endday=2022-08-29&tree=all

Comment 5

[Paul Adenot (:padenot)]

I'm looking in bug 1787040.

Comment 6

[Intermittent Failures Robot]

15 failures in 753 pushes (0.02 failures/push) were associated with this bug yesterday.

Repository breakdown:

• autoland: 4
• mozilla-central: 8
• try: 3

Platform and build breakdown:

• linux1804-64-qr: 11
  • debug: 11
• macosx1015-64-qr: 4
  • debug: 4

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1785300&startday=2022-08-30&endday=2022-08-30&tree=all

Comment 8

[Intermittent Failures Robot]

15 failures in 620 pushes (0.024 failures/push) were associated with this bug yesterday.

Repository breakdown:

• autoland: 8
• mozilla-central: 4
• try: 3

Platform and build breakdown:

• linux1804-64-qr: 13
  • debug: 13
• macosx1015-64-qr: 2
  • debug: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1785300&startday=2022-09-02&endday=2022-09-02&tree=all

Comment 9

[Intermittent Failures Robot]

36 failures in 3537 pushes (0.01 failures/push) were associated with this bug in the last 7 days.

This is the #37 most frequent failure this week.

** This failure happened more than 30 times this week! Resolving this bug is a high priority. **

** Try to resolve this bug as soon as possible. If unresolved for 2 weeks, the affected test(s) may be disabled. **

Repository breakdown:

• mozilla-central: 13
• autoland: 18
• try: 4
• mozilla-beta: 1

Platform and build breakdown:

• linux1804-64-qr: 32
  • debug: 32
• macosx1015-64-qr: 4
  • debug: 4

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1785300&startday=2022-08-29&endday=2022-09-04&tree=all

Comment 10

[Marian-Vasile Laza]

There have been 51 total failures in the last 7 days, recent failure log.
Affected platforms are:

• linux1804-64-qr
• macosx1015-64-qr

Comment 11

[Intermittent Failures Robot]

61 failures in 3616 pushes (0.017 failures/push) were associated with this bug in the last 7 days.

This is the #12 most frequent failure this week.

** This failure happened more than 30 times this week! Resolving this bug is a high priority. **

** Try to resolve this bug as soon as possible. If unresolved for 2 weeks, the affected test(s) may be disabled. **

Repository breakdown:

• autoland: 37
• try: 5
• mozilla-beta: 6
• mozilla-central: 13

Platform and build breakdown:

• linux1804-64-qr: 48
  • debug: 48
• macosx1015-64-qr: 13
  • debug: 13

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1785300&startday=2022-09-05&endday=2022-09-11&tree=all

Comment 12

[Intermittent Failures Robot]

20 failures in 546 pushes (0.037 failures/push) were associated with this bug yesterday.

Repository breakdown:

• autoland: 18
• try: 2

Platform and build breakdown:

• linux1804-64-qr: 17
  • debug: 17
• macosx1015-64-qr: 3
  • debug: 3

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1785300&startday=2022-09-13&endday=2022-09-13&tree=all

Comment 13

[Intermittent Failures Robot]

46 failures in 3023 pushes (0.015 failures/push) were associated with this bug in the last 7 days.

This is the #9 most frequent failure this week.

** This failure happened more than 30 times this week! Resolving this bug is a high priority. **

** Try to resolve this bug as soon as possible. If unresolved for 2 weeks, the affected test(s) may be disabled. **

Repository breakdown:

• autoland: 32
• mozilla-central: 9
• mozilla-beta: 1
• try: 4

Platform and build breakdown:

• linux1804-64-qr: 41
  • debug: 41
• macosx1015-64-qr: 4
  • debug: 4
• windows10-64-2004-qr: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1785300&startday=2022-09-12&endday=2022-09-18&tree=all

Comment 14

[Jim Mathies [:jimm]]

Looks webrtc related?

Comment 15

[Paul Adenot (:padenot)]

I fixed this by backing out some code in bug 1789103.

Comment 17

[BugBot [:suhaib / :marco]]

Copying crash signatures from duplicate bugs.