Closed Bug 1485358 Opened 6 years ago Closed 6 years ago

Crash in static void PurgeWRGlyphAtlas

Categories

(Core :: Graphics: WebRender, defect)

Product:
Core
Component:
Graphics: WebRender
Platform:
Unspecified
Windows 10
Type:
defect
Priority:
Not set
Severity:
critical

Tracking

()

Status:
RESOLVED FIXED
Milestone:
mozilla63
Tracking Flags:
Tracking Status
firefox-esr52 --- unaffected
firefox-esr60 --- unaffected
firefox61 --- unaffected
firefox62 --- unaffected
firefox63 --- fixed

People

(Reporter: calixte, Assigned: lsalzman)

References

(Blocks 2 open bugs)

Details

(Keywords: crash, regression)

Crash Data

This bug was filed from the Socorro interface and is
report bp-aca1a799-bcee-4268-b5ff-49fdd0180822.
=============================================================

Top 10 frames of crashing thread:

0 xul.dll static void PurgeWRGlyphAtlas gfx/thebes/gfxFontMissingGlyphs.cpp:236
1 xul.dll gfxPlatform::OnMemoryPressure gfx/thebes/gfxPlatform.cpp:474
2 xul.dll mozilla::layers::MemoryPressureObserver::Observe gfx/layers/MemoryPressureObserver.cpp:67
3 xul.dll nsObserverService::NotifyObservers xpcom/ds/nsObserverService.cpp:295
4 xul.dll mozilla::dom::ContentChild::RecvFlushMemory dom/ipc/ContentChild.cpp:2747
5 xul.dll mozilla::dom::PContentChild::OnMessageReceived ipc/ipdl/PContentChild.cpp:7348
6 xul.dll void mozilla::ipc::MessageChannel::DispatchMessageW ipc/glue/MessageChannel.cpp:2166
7 xul.dll mozilla::ipc::MessageChannel::MessageTask::Run ipc/glue/MessageChannel.cpp:2045
8 xul.dll nsThread::ProcessNextEvent xpcom/threads/nsThread.cpp:1167
9 xul.dll NS_ProcessNextEvent xpcom/threads/nsThreadUtils.cpp:519

=============================================================

There are 2 crashes (from 1 installation) in nightly 63 with buildid 20180821220101. In analyzing the backtrace, the regression may have been introduced by patch [1] to fix bug 1479196.

[1] https://hg.mozilla.org/mozilla-central/rev?node=07dabfefeef1
Flags: needinfo?(lsalzman)
Blocks: wr-stability
Pushed by lsalzman@mozilla.com:
https://hg.mozilla.org/integration/mozilla-inbound/rev/4621d2fd3f17
fix purging of missing glyph WebRender users. r=me
Assignee: nobody → lsalzman
Status: NEW → ASSIGNED
Flags: needinfo?(lsalzman)
https://hg.mozilla.org/mozilla-central/rev/4621d2fd3f17
Status: ASSIGNED → RESOLVED
Closed: 6 years ago
status-firefox63: affected → fixed
Resolution: --- → FIXED
Target Milestone: --- → mozilla63
Crash Signature: [@ static void PurgeWRGlyphAtlas] → [@ static void PurgeWRGlyphAtlas] [@ PurgeWRGlyphAtlas]
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