[Bug 73696] [915gm TearFree] slow, screen corruption due to EDEADLK (fence starvation)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=73696

--- Comment #15 from Chris Wilson <chris at chris-wilson.co.uk> ---
Hmm, I guess I should add some debug code to dump the fence registers upon
EDEADLK.

Done.

commit 9342bc3dfd64b338c0802793f311574323067652
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Sat Jan 18 21:38:59 2014 +0000

    sna: Dump fence registers upon starvation

    References: https://bugs.freedesktop.org/show_bug.cgi?id=73696
    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

Please can you attach a fresh Xorg.0.log with --enable-debug and I'll have a
second think about where those fences are disappearing.

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