1575023 - Crash in [@ _platform_bzero$VARIANT$Haswell]

Status: RESOLVED WORKSFORME

(Core :: Widget: Cocoa, defect, P3)

Description

[Marcia Knous [:marcia]]

This bug is for crash report bp-fc709f4c-df63-46f1-a3ea-a20740190723.

Seen while looking at nightly crash stats. Similar signature seen 3 years ago - Bug 1306247: https://bit.ly/2KXMr1p. Not super huge volume, but since this may be a common operation for some users it may be annoying.

macOS crash which affects 10.13, 10.14 and 10.15. All of the comments mention crashing when resizing windows, or zooming in and zooming out.

Top crashing adapters are SVGA II Adapter (0x0405) and Intel HD Graphics 6000 (0x1626)

Top 10 frames of crashing thread:

0 libsystem_platform.dylib _platform_bzero$VARIANT$Haswell 
1 GLRendererFloat gldSetZero 
2 GLRendererFloat gldClearDrawBuffer 
3 GLRendererFloat gldClearFramebufferData 
4 GLEngine glClear_Exec 
5 XUL nsChildView::DoRemoteComposition widget/cocoa/nsChildView.mm:2381
6 XUL mozilla::widget::RectTextureImage::BeginUpdate widget/cocoa/RectTextureImage.mm:25
7 XUL nsChildView::StartRemoteDrawingInRegion widget/cocoa/nsChildView.mm:2344
8 XUL regiondetails::Band* nsTArray_Impl<regiondetails::Band, nsTArrayInfallibleAllocator>::ReplaceElementsAt<regiondetails::Band, nsTArrayInfallibleAllocator> xpcom/ds/nsTArray.h:2213
9 XUL mozilla::layers::BasicCompositor::BeginFrame gfx/layers/basic/BasicCompositor.cpp:938

Comment 1

[Pascal Chevrel:pascalc]

There were 10 crashes in 70 nightly, none in 70 beta and none in 71 nightly, so marking 71 as unaffected.

Comment 2

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

Closing because no crashes reported for 12 weeks.