[Bug 60802] Corruption with DMA ring on cayman

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=60802

--- Comment #20 from Alexandre Demers <alexandre.f.demers at gmail.com> ---
(In reply to comment #18)
> Ok, just finished bisecting, this is the first commit with the dmesg errors:
> 
> e110c98cae0ceae47db6cf26c08707505ce92479 is the first bad commit
> commit e110c98cae0ceae47db6cf26c08707505ce92479
> Author: Alex Deucher <alexander.deucher at amd.com>
> Date:   Sun Jan 27 22:13:52 2013 -0500
> 
>     r600g: don't emit WAIT_UNTIL on cayman/TN (v2)
>     
>     It shouldn't be needed and older kernels don't support
>     it.
>     
>     v2: Replace with PS partial flush as before.
>     
>     Fixes:
>     https://bugs.freedesktop.org/show_bug.cgi?id=59945
>     
>     Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
>     Reviewed-by: Marek Olšák <maraeo at gmail.com>
> 
> And if I remember correctly I first noticed it with kernel 3.7.5 or 3.7.6,
> but I thing this was also around the time this mesa commit was pushed so it
> may have nothing to do with this kernel versions.

I ended up with a different commit than yours when bisecting:
325422c49449acdd8df1eb2ca8ed81f7696c38cc is the first bad commit
commit 325422c49449acdd8df1eb2ca8ed81f7696c38cc

It's the one just prior yours and it is also the one identified as being the
culprit of the current bug (comment 8). Could you check a second time?

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