[Bug 73351] xf86-video-intel-2.99.907 segfaults while the machine is unattended

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=73351

Chris Wilson <chris at chris-wilson.co.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |RESOLVED
         Resolution|---                         |FIXED

--- Comment #29 from Chris Wilson <chris at chris-wilson.co.uk> ---
commit 5f3ee21a307a4ff4db189bd53e58a70ec01ee6bc
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Fri Jan 17 08:40:34 2014 +0000

    sna: Nullify pixmap->devPrivate.ptr after promoting CPU bo to GPU

    When we convert a CPU bo into a GPU bo, we need to remove any dangling
    shadow pointers we use for devPrivate.ptr. Whilst the bo remains alive
    these are incoherent, but if we ever replace the GPU bo (for example to
    change tiling for DRI2) then the dangling pointer becomes invalid and
    will explode on next use.

    Reported-by: Mike Aury <mike.auty at gmail.com>
    Reported-by:  Marti Raudsepp <marti at juffo.org>
    Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=73351
    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

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