1631338 - Crash in [@ rx::StreamingVertexBufferInterface::reserveVertexSpace]

Status: RESOLVED WORKSFORME

(Core :: Graphics: CanvasWebGL, defect, P3)

Description

[Gabriele Svelto [:gsvelto]]

This bug is for crash report bp-047e046f-01c2-43f1-8a08-c21bc0200420.

Top 10 frames of crashing thread:

0 libglesv2.dll rx::StreamingVertexBufferInterface::reserveVertexSpace gfx/angle/checkout/src/libANGLE/renderer/d3d/VertexBuffer.cpp:208
1 libglesv2.dll rx::VertexDataManager::storeCurrentValue gfx/angle/checkout/src/libANGLE/renderer/d3d/VertexDataManager.cpp:596
2 libglesv2.dll rx::StateManager11::updateState gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/StateManager11.cpp:2333
3 libglesv2.dll rx::Context11::drawElementsInstanced gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Context11.cpp:323
4 libglesv2.dll gl::Context::drawElementsInstanced gfx/angle/checkout/src/libANGLE/Context.cpp:2245
5 libglesv2.dll gl::DrawElementsInstancedEXT gfx/angle/checkout/src/libGLESv2/entry_points_gles_ext_autogen.cpp:3259
6 xul.dll mozilla::gl::GLContext::raw_fDrawElementsInstanced gfx/gl/GLContext.h:2457
7 xul.dll mozilla::WebGLContext::DrawElementsInstanced dom/canvas/WebGLContextDraw.cpp:879
8 xul.dll mozilla::RunOn<void  dom/canvas/ClientWebGLContext.cpp:372
9 xul.dll mozilla::ClientWebGLContext::DrawElementsInstanced dom/canvas/ClientWebGLContext.cpp:3915

This seems to have started a while ago, the oldest crash we have is for buildid 20191203141951. The crash stacks have been consistent over time and it affects 75 too.

Comment 1

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

The priority flag is not set for this bug.
:jgilbert, could you have a look please?

For more information, please visit auto_nag documentation.

Comment 2

[Kelsey Gilbert [:jgilbert]]

Crash, but fairly low volume.

Comment 3

[Kelsey Gilbert [:jgilbert]]

Exceedingly rare, so P3.

Comment 4

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

Closing because no crashes reported for 12 weeks.