1689426 - Firefox crashing when enabling MOZ_WEBRENDER with MOZ_X11_EGL

Status: RESOLVED DUPLICATE of bug 1670545

(Core :: Graphics: WebRender, defect)

Description

[alandms13]

Attachment: attachment

User Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0

Steps to reproduce:

run firefox with the environment variables MOZ_WEBRENDER=1 and MOZ_X11_EGL=1, as:

MOZ_LOG="PlatformDecoderModule:5" MOZ_WEBRENDER=1 MOZ_X11_EGL=1 firefox

Actual results:

firefox will crash with this log:

[Parent 62396: Main Thread]: D/PlatformDecoderModule VA-API FFmpeg is disabled by platform
[Parent 62396: Main Thread]: D/PlatformDecoderModule VA-API FFmpeg is disabled by platform
Exiting due to channel error.

Comment 1

[Sotaro Ikeda [:sotaro]]

The problem looks similar to Bug 1688999.

:aosmond, can you comment to the bug?

Comment 2

[Andrew Osmond [:aosmond] (he/him)]

Did this produce a crash report? You can check under about:crashes.

Comment 3

[alandms13]

No, about:crashes says: 'No crash reports have been submitted.'

Comment 4

[Dzmitry Malyshau [:kvark]]

Marking as S3 since it requires custom environment to repro.