[Bug 83616] Sydtem crashes in xonotic with kernel 3.17-rc since linux commit 86302eeadebfab94530b00f5e53a23f911ff41e4

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=83616

--- Comment #1 from Bug <freedesktop at voorpost.net> ---
commit 86302eeadebfab94530b00f5e53a23f911ff41e4
Author: Christian König <christian.koenig at amd.com>
Date:   Mon Aug 18 16:30:12 2014 +0200

    drm/radeon: Sync ME and PFP after CP semaphore waits v4

    Fixes lockups due to CP read GPUVM faults when running piglit on Cape
    Verde.

    v2 (chk): apply the fix to R600+ as well, on CIK only the GFX CP has
          a PFP, add more comments to R600 code, enable flushing again
    v3: (agd5f): only apply to 7xx+.  r6xx does not have the packet.
    v4: (agd5f): split flush change into a separate patch, fix formatting

    Signed-off-by: Michel Dänzer <michel.daenzer at amd.com>
    Signed-off-by: Christian König <christian.koenig at amd.com>
    Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
    Tested-by: Michel Dänzer <michel.daenzer at amd.com>

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