RESOLVED FIXED 256399
[UI-side compositing] Guard against UI process hangs caused by incorrect frame rate data 
https://bugs.webkit.org/show_bug.cgi?id=256399
Summary [UI-side compositing] Guard against UI process hangs caused by incorrect fram...
Simon Fraser (smfr)
Reported 2023-05-05 15:02:56 PDT
There's some evidence of a UI-process (i.e. Safari) hang caused by RemoteLayerTreeEventDispatcher::waitForRenderingUpdateCompletionOrTimeout() taking too long. This could happen if m_stateCondition.waitUntil() has a long timeout, so impose a cap of 32ms on that timeout.
Attachments
Add attachment proposed patch, testcase, etc.
Simon Fraser (smfr)
Comment 1 2023-05-05 15:03:16 PDT
<rdar://108954321>
Simon Fraser (smfr)
Comment 2 2023-05-05 15:09:42 PDT
Pull request: https://github.com/WebKit/WebKit/pull/13525
EWS
Comment 3 2023-05-08 11:18:39 PDT
Committed 263806@main (3f7af1859b92): <https://commits.webkit.org/263806@main> Reviewed commits have been landed. Closing PR #13525 and removing active labels.
Note You need to log in before you can comment on or make changes to this bug.