[Bug 56608] xorg-server-1.13.0: core dump on regen
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Fri Mar 1 07:38:59 PST 2013
https://bugs.freedesktop.org/show_bug.cgi?id=56608
--- Comment #43 from Chris Wilson <chris at chris-wilson.co.uk> ---
> I don't poke around in X server code for quite a few years. Last time it was
> on xfree86 on an i486, so please enlight me: is Xorg (or xf86-video-intel
> driver) multi-threaded these days? Because this behavior seems consistent
> with multiple threads loosing sync.
There are the occasional use of threads, but the phase you are in is explicitly
single-threaded (teardown/setup). Yes, the symptoms would appear to be the same
as in both cases we are chasing stale pointers.
Another theory to test:
commit 904af323914e05830f17621a78b6e55b371ae5fc
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date: Fri Mar 1 15:34:45 2013 +0000
sna: Assert that we do not resurrect stale pixmap across a server regen
References: https://bugs.freedesktop.org/show_bug.cgi?id=56608
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