1725752 - Freeze under XWayland (does not seem to occur with EGL)

Status: RESOLVED DUPLICATE of bug 1635186

(Core :: Graphics: WebRender, defect)

Description

[intrnl]

Attachment: Screencast from 08-14-2021 01:27:14 PM.webm

User Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4592.0 Safari/537.36 Edg/94.0.975.1

Steps to reproduce:

1. Open Firefox under XWayland (MOZ_ENABLE_WAYLAND=0)
2. Open DevTools
3. Focus the browser window

Actual results:

2 second freeze on all browser windows

Expected results:

No freezing should have occurred

Comment 1

[intrnl]

Ah, didn't think filing the bug report would capture my user agent as well.
Mozilla/5.0 (X11; Linux x86_64; rv:93.0) Gecko/20100101 Firefox/93.0

Comment 3

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

The Bugbug bot thinks this bug should belong to the 'Core::Widget: Gtk' component, and is moving the bug to that component. Please revert this change in case you think the bot is wrong.

Comment 4

[Darkspirit]

Thanks for the report! Please open about:support, click on "Copy text to clipboard" and paste it here.

Comment 5

[intrnl]

Attachment: Troubleshooting information

Comment 6

[Darkspirit]

Do you still encounter this problem after setting gfx.x11-egl.force-enabled to true on about:config and restarting Firefox?

Comment 7

[intrnl]

This seems to have fixed it.