1340076 - Crash in mozilla::CrossProcessSemaphore::CrossProcessSemaphore

Status: RESOLVED FIXED

(Core :: Graphics: Layers, defect)

Description

[Calixte Denizet (:calixte)]

This bug was filed from the Socorro interface and is 
report bp-13deddba-4599-4179-b6f0-afeea2170215.
=============================================================

There are 8 crashes on nightly 54.0a1 with buildid 20170215030342.
In analyzing the backtrace, the patch [1] to fix bug 1325227 may have introduce this regression.

[1] https://hg.mozilla.org/mozilla-central/rev?node=f01503971a811ecbc86745e1b42311a629f12e41

Comment 1

[Matt Woodrow (:mattwoodrow)]

Attachment: always-tile-osx

I guess some people turned this pref off, which would be bad, since CrossProcessSemaphore doesn't have an OSX impl.

Comment 2

[Nicolas Silva [:nical]]

Comment on attachment 8838355 [details] [diff] [review]
always-tile-osx

Review of attachment 8838355 [details] [diff] [review]:
-----------------------------------------------------------------

Ok, but please add a comment here explaining that we force tiling enabled because the non-tiled content client depends on unimplemented cross-process mutex.

Comment 3

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/mozilla-inbound/rev/99f0792ae01e
Force tiling to always be enabled on OSX. r=nical

Comment 4

[Carsten Book [:Tomcat]]

https://hg.mozilla.org/mozilla-central/rev/99f0792ae01e