1662649 - Intermittent Assertion failure: IsSupported(webgl), at /builds/worker/checkouts/gecko/dom/canvas/WebGLExtensions.cpp:105

Status: RESOLVED FIXED

(Core :: Graphics: CanvasWebGL, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: rmaries [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer.html#?job_id=314661833&repo=autoland
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/XPTmtbAwTAWuhM16K2ioBA/runs/0/artifacts/public/logs/live_backing.log

---

[task 2020-09-02T07:16:47.826Z] 07:16:47 INFO - TEST-START | dom/canvas/test/webgl-conf/generated/test_2_conformance__extensions__get-extension.html
[task 2020-09-02T07:16:47.968Z] 07:16:47 INFO - GECKO(1683) | [Child 1686, Main Thread] WARNING: Attempt to delete missing or closed actor: file /builds/worker/workspace/obj-build/ipc/ipdl/PWebGLChild.cpp, line 111
[task 2020-09-02T07:16:47.968Z] 07:16:47 INFO - GECKO(1683) | [Child 1686, Main Thread] WARNING: Attempt to delete missing or closed actor: file /builds/worker/workspace/obj-build/ipc/ipdl/PWebGLChild.cpp, line 111
[task 2020-09-02T07:16:48.637Z] 07:16:48 INFO - GECKO(1683) | MEMORY STAT | vsize 7541MB | residentFast 215MB | heapAllocated 23MB
[task 2020-09-02T07:16:48.643Z] 07:16:48 INFO - GECKO(1683) | [WebGLChild] Flushed 141 bytes. (141 over 1 flushes)
[task 2020-09-02T07:16:48.643Z] 07:16:48 INFO - GECKO(1683) | Assertion failure: IsSupported(webgl), at /builds/worker/checkouts/gecko/dom/canvas/WebGLExtensions.cpp:105
[task 2020-09-02T07:16:48.650Z] 07:16:48 INFO - Initializing stack-fixing for the first stack frame, this may take a while...
[task 2020-09-02T07:16:57.538Z] 07:16:57 INFO - GECKO(1683) | #01: mozilla::WebGLContext::RequestExtension(mozilla::WebGLExtensionID, bool) [dom/canvas/WebGLContextExtensions.cpp:414]
[task 2020-09-02T07:16:57.539Z] 07:16:57 INFO - GECKO(1683) | #02: bool mozilla::MethodDispatcher<mozilla::WebGLMethodDispatcher, (unsigned long)25, void (mozilla::HostWebGLContext::)(mozilla::avec2<unsigned int> const&), &mozilla::HostWebGLContext(mozilla::avec2<unsigned int> const&)::Resize, (mozilla::CommandSyncType)0>::DispatchCommand<mozilla::HostWebGLContext>(mozilla::HostWebGLContext&, unsigned long, mozilla::webgl::RangeConsumerView&) [dom/canvas/WebGLCommandQueue.h:695]
[task 2020-09-02T07:16:57.539Z] 07:16:57 INFO - GECKO(1683) | #03: mozilla::dom::WebGLParent::RecvDispatchCommands(mozilla::ipc::Shmem&&, unsigned long long) [dom/canvas/WebGLParent.cpp:64]
[task 2020-09-02T07:16:57.539Z] 07:16:57 INFO - GECKO(1683) | #04: mozilla::dom::PWebGLParent::OnMessageReceived(IPC::Message const&) [s3:gecko-generated-sources:58edd9a1f63d94ea0ffa143cd87e6a669d451f53fd231f39b3fb9c980769a7764e9867e81c57f257bbabd19206231a95435d9fc1029e7d3132992a0e3a04bbf6/ipc/ipdl/PWebGLParent.cpp::195]
[task 2020-09-02T07:16:57.539Z] 07:16:57 INFO - GECKO(1683) | #05: mozilla::layers::PCompositorManagerParent::OnMessageReceived(IPC::Message const&) [s3:gecko-generated-sources:3552e9c7dfc59993bbb860f386b4e7562f0796bd14c67ddcf3c276ab38bf55987f51528d999c5ce707778c2a53e0fe4026194fd83427b026d7d39b040393ef66/ipc/ipdl/PCompositorManagerParent.cpp::197]
[task 2020-09-02T07:16:57.539Z] 07:16:57 INFO - GECKO(1683) | #06: mozilla::ipc::MessageChannel::DispatchAsyncMessage(mozilla::ipc::ActorLifecycleProxy, IPC::Message const&) [ipc/glue/MessageChannel.cpp:2151]
[task 2020-09-02T07:16:57.539Z] 07:16:57 INFO - GECKO(1683) | #07: mozilla::ipc::MessageChannel::DispatchMessage(IPC::Message&&) [ipc/glue/MessageChannel.cpp:2074]
[task 2020-09-02T07:16:57.539Z] 07:16:57 INFO - GECKO(1683) | #08: mozilla::ipc::MessageChannel::RunMessage(mozilla::ipc::MessageChannel::MessageTask&) [ipc/glue/MessageChannel.cpp:1922]
[task 2020-09-02T07:16:57.540Z] 07:16:57 INFO - GECKO(1683) | #09: mozilla::ipc::MessageChannel::MessageTask::Run() [ipc/glue/MessageChannel.cpp:1955]
[task 2020-09-02T07:16:57.540Z] 07:16:57 INFO - GECKO(1683) | #10: nsThread::ProcessNextEvent(bool, bool*) [xpcom/threads/nsThread.cpp:1236]
[task 2020-09-02T07:16:57.540Z] 07:16:57 INFO - GECKO(1683) | #11: NS_ProcessNextEvent(nsIThread*, bool) [xpcom/threads/nsThreadUtils.cpp:513]
[task 2020-09-02T07:16:57.540Z] 07:16:57 INFO - GECKO(1683) | #12: mozilla::ipc::MessagePumpForNonMainThreads::Run(base::MessagePump::Delegate*) [ipc/glue/MessagePump.cpp:303]
[task 2020-09-02T07:16:57.540Z] 07:16:57 INFO - GECKO(1683) | #13: MessageLoop::Run() [ipc/chromium/src/base/message_loop.cc:310]
[task 2020-09-02T07:16:57.540Z] 07:16:57 INFO - GECKO(1683) | #14: nsThread::ThreadFunc(void*) [xpcom/threads/nsThread.cpp:444]
[task 2020-09-02T07:16:57.754Z] 07:16:57 INFO - GECKO(1683) | #15: _pt_root [nsprpub/pr/src/pthreads/ptthread.c:204]c

Comment 2

[Kelsey Gilbert [:jgilbert]]

Attachment: Bug 1662649 - Don't hard-assert IsSupported for pref-gated WebGL exts.

Comment 3

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/21babb61d9d9
Don't hard-assert IsSupported for pref-gated WebGL exts. r=lsalzman

Comment 4

[Noemi Erli[:noemi_erli]]

https://hg.mozilla.org/mozilla-central/rev/21babb61d9d9

Comment 5

[Intermittent Failures Robot]

1 failures in 2984 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1

Platform breakdown:

• macosx1014-64: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1662649&startday=2020-08-31&endday=2020-09-06&tree=all