1622592 - sw-wr: Crash in [@ draw_quad_spans<T>]

Status: RESOLVED FIXED

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

Description

[Darkspirit]

Nightly 20200314214233, KDE, X11, Debian Testing, Macbook Pro
No STR yet. (This is my main profile and I also had gfx.webrender.program-binary-disk;true.)

This bug is for crash report bp-b054d57f-b6fb-4eec-899d-3dfcb0200315.

Top 10 frames of crashing thread:

0 libxul.so void draw_quad_spans<unsigned int> gfx/wr/swgl/src/vector_type.h:413
1 libxul.so draw_quad gfx/wr/swgl/src/gl.cc:2863
2 libxul.so DrawElementsInstanced gfx/wr/swgl/src/gl.cc:2958
3 libxul.so <gleam::gl::ErrorReactingGl<F> as gleam::gl::Gl>::draw_elements_instanced third_party/rust/gleam/src/gl.rs:94
4 libxul.so webrender::renderer::Renderer::draw_instanced_batch gfx/wr/webrender/src/renderer.rs:3778
5 libxul.so webrender::renderer::Renderer::draw_alpha_batch_container gfx/wr/webrender/src/renderer.rs:4109
6 libxul.so webrender::renderer::Renderer::draw_frame gfx/wr/webrender/src/renderer.rs:4046
7 libxul.so webrender::renderer::Renderer::render_impl gfx/wr/webrender/src/renderer.rs:3287
8 libxul.so webrender::renderer::Renderer::render gfx/wr/webrender/src/renderer.rs:3041
9 libxul.so wr_renderer_render gfx/webrender_bindings/src/bindings.rs:584

Comment 1

[Jeff Muizelaar [:jrmuizel]]

I'm seeing these really often:
https://crash-stats.mozilla.org/report/index/984f6916-9504-45f6-91ae-f9acf0200316
https://crash-stats.mozilla.org/report/index/bbeb15dd-babe-4c1d-a82b-0564f0200316
https://crash-stats.mozilla.org/report/index/089c8b8d-2aa5-4a60-9f03-a1a260200316

Comment 2

[Lee Salzman [:lsalzman]]

Attachment: Bug 1622592 - add some padding to SWGL composition buffer to account for SIMD masking. r?jrmuizel

Comment 3

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/b9fb85847a3f
add some padding to SWGL composition buffer to account for SIMD masking. r=jrmuizel

Comment 4

[Arthur Iakab [arthur_iakab]]

https://hg.mozilla.org/mozilla-central/rev/b9fb85847a3f

Comment 5

[Firefox Bug Husbandry Bot]

Because this bug's Severity has not been changed from the default since it was filed, and it's Priority is P3 (Backlog,) indicating it has been triaged, the bug's Severity is being updated to S3 (normal.)