975700 - Assertion failure: ancestorTransform.IsIdentity(), at gfx/layers/composite/AsyncCompositionManager.cpp with -moz-hidden-unscrollable, transform

Status: RESOLVED INVALID

(Core :: Graphics: Layers, defect)

Description

[Jesse Ruderman]

Attachment: testcase

###!!! ASSERTION: Framebuffer not complete -- error 0x8cd6, aFBOTextureTarget 0xde1, mFBO 1, mTextureHandle 6, aRect.width 0, aRect.height 0: 'Error', file gfx/layers/opengl/CompositingRenderTargetOGL.cpp, line 91

###!!! ASSERTION: Texture initialization failed! -- error 0x506, Source 0, Source format 6408,  RGBA Compat 1: 'Error', file gfx/layers/opengl/CompositorOGL.cpp, line 786

Possibly related: bug 766422 (similar testcase), bug 914437, bug 951893

Comment 1

[Jesse Ruderman]

Attachment: stack for the first assertion

Comment 2

[Jesse Ruderman]

Attachment: graphics info

Comment 3

[Ryan VanderMeulen [:RyanVM]]

The original assertions hit by this testcase appear to be gone, but this testcase still does intermittently assert on desktop platforms and 100% of the time on Android.

Assertion failure: ancestorTransform.IsIdentity(), at /builds/worker/workspace/build/src/gfx/layers/composite/AsyncCompositionManager.cpp:482
#01: mozilla::layers::AsyncCompositionManager::AlignFixedAndStickyLayers [gfx/layers/composite/AsyncCompositionManager.cpp:464]
#02: mozilla::layers::AsyncCompositionManager::AlignFixedAndStickyLayers [gfx/layers/composite/AsyncCompositionManager.cpp:464]
#03: mozilla::layers::AsyncCompositionManager::ApplyAsyncContentTransformToTree(mozilla::layers::Layer*, bool*)::{lambda(mozilla::layers::Layer*)#2}::operator()(mozilla::layers::Layer*) const
#04: mozilla::layers::ForEachNode<mozilla::layers::ForwardIterator, mozilla::layers::Layer*, mozilla::layers::AsyncCompositionManager::ApplyAsyncContentTransformToTree(mozilla::layers::Layer*, bool*)::<lambda(mozilla::layers::Layer*)>, mozilla::layers::AsyncCompositionManager::ApplyAsyncContentTransformToTree(mozilla::layers::Layer*, bool*)::<lambda(mozilla::layers::Layer*)> > [gfx/layers/TreeTraversal.h:146]
#05: mozilla::layers::ForEachNode<mozilla::layers::ForwardIterator, mozilla::layers::Layer*, mozilla::layers::AsyncCompositionManager::ApplyAsyncContentTransformToTree(mozilla::layers::Layer*, bool*)::<lambda(mozilla::layers::Layer*)>, mozilla::layers::AsyncCompositionManager::ApplyAsyncContentTransformToTree(mozilla::layers::Layer*, bool*)::<lambda(mozilla::layers::Layer*)> > [gfx/layers/TreeTraversal.h:43]
#06: mozilla::layers::ForEachNode<mozilla::layers::ForwardIterator, mozilla::layers::Layer*, mozilla::layers::AsyncCompositionManager::ApplyAsyncContentTransformToTree(mozilla::layers::Layer*, bool*)::<lambda(mozilla::layers::Layer*)>, mozilla::layers::AsyncCompositionManager::ApplyAsyncContentTransformToTree(mozilla::layers::Layer*, bool*)::<lambda(mozilla::layers::Layer*)> > [gfx/layers/TreeTraversal.h:43]
#07: mozilla::layers::ForEachNode<mozilla::layers::ForwardIterator, mozilla::layers::Layer*, mozilla::layers::AsyncCompositionManager::ApplyAsyncContentTransformToTree(mozilla::layers::Layer*, bool*)::<lambda(mozilla::layers::Layer*)>, mozilla::layers::AsyncCompositionManager::ApplyAsyncContentTransformToTree(mozilla::layers::Layer*, bool*)::<lambda(mozilla::layers::Layer*)> > [gfx/layers/TreeTraversal.h:43]
#08: mozilla::layers::AsyncCompositionManager::ApplyAsyncContentTransformToTree [gcc/include/c++/6.4.0/bits/stl_tree.h:873]
#09: mozilla::layers::AsyncCompositionManager::TransformShadowTree [gfx/layers/composite/AsyncCompositionManager.cpp:1441]
#10: mozilla::layers::CompositorBridgeParent::CompositeToTarget [gfx/layers/ipc/CompositorBridgeParent.cpp:1023]
#11: mozilla::layers::CompositorVsyncScheduler::Composite [gfx/layers/ipc/CompositorVsyncScheduler.cpp:275]
#12: mozilla::detail::RunnableMethodImpl<mozilla::layers::CompositorVsyncScheduler*, void (mozilla::layers::CompositorVsyncScheduler::*)(mozilla::TimeStamp), true, (mozilla::RunnableKind)1u, mozilla::TimeStamp>::Run [xpcom/threads/nsThreadUtils.h:1196]

Comment 4

[Firefox Bug Husbandry Bot]

https://wiki.mozilla.org/Bug_Triage/Projects/Bug_Handling/Bug_Husbandry#Move_fix-optionals

Comment 5

[Intermittent Failures Robot]

1 failures in 4130 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1

Platform breakdown:

• linux1804-64: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=975700&startday=2020-10-05&endday=2020-10-11&tree=all

Comment 6

[Tyson Smith [:tsmith]]

This issue was last reported by fuzzers targeting m-c 20210209-89c5f958a3ac.

bhood: Is this still relevant now that we've moved to webrender?

Comment 7

[Bob Hood [:bhood]]

Glenn, does this report remain valid with WR?

Comment 8

[Glenn Watson [:gw]]

That source file no longer exists, so I'm going to say no.