1871842 - Browser will stop responding to user input, flash white and get IPC timeout on a JS1k demo (https://js1k.com/2019-x/demo/4007)

Status: RESOLVED DUPLICATE of bug 1871841

(Core :: Graphics: Canvas2D, defect)

Description

[Mayank Bansal]

Create new profile
Go to https://js1k.com/2019-x/demo/4007. (The demo will be slow to render. That is fine as it has been slow for some time)
Let it run for 5-10 seconds
Right click on the demo, or the browser UI. Click on the demp page multiple times. In general try to give user inputs.

AR:

1. The browser will not really register the mouse clicks
2. The demo tab will flash white and restore (with no canvas)
3. You will see some "IPC timeout messages.

Regresses by:
Bug 1871467 - Remove unnecessary CanvasTranslator locking. r=aosmond CLOSED TREE

Differential Revision: https://phabricator.services.mozilla.com/D197112

Comment 1

[Mayank Bansal]

(#0) Error Killing GPU process due to IPC reply timeout
(#1111) CP+[GFX1]: Attempt to render into a Canvas2d after shutdown.
(#1112) CP+[GFX1]: Attempt to render into a Canvas2d after shutdown.
(#1113) CP+[GFX1]: Attempt to render into a Canvas2d after shutdown.
(#1114) CP+[GFX1]: Attempt to render into a Canvas2d after shutdown.
(#1115) CP+[GFX1]: Attempt to render into a Canvas2d after shutdown.
(#1116) CP+[GFX1]: Attempt to render into a Canvas2d after shutdown.
(#1117) CP+[GFX1]: Attempt to render into a Canvas2d after shutdown.
(#1118) CP+[GFX1]: Attempt to render into a Canvas2d after shutdown.
(#1119) CP+[GFX1]: Attempt to render into a Canvas2d after shutdown.
(#1120) CP+[GFX1]: Attempt to render into a Canvas2d after shutdown.
(#1121) CP+[GFX1]: Attempt to render into a Canvas2d after shutdown.
(#1122) CP+[GFX1]: Attempt to render into a Canvas2d after shutdown.
(#1123) CP+[GFX1]: Attempt to render into a Canvas2d after shutdown.
(#1124) CP+[GFX1]: Attempt to render into a Canvas2d after shutdown.
(#1125) CP+[GFX1]: Attempt to render into a Canvas2d after shutdown.

Comment 2

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

Set release status flags based on info from the regressing bug 1871467

:lsalzman, since you are the author of the regressor, bug 1871467, could you take a look? Also, could you set the severity field?

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