[Bug 61747] [r600g] GPU lockup when playing WoW with HD6450 and 3.8.1 kernel

[bugzilla-dae...@freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=61747

--- Comment #8 from Chris Rankin  ---
(In reply to comment #7)
> Does disabling htile support help?  Set env var R600_HYPERZ=0

Yes, this prevents the GPU from locking up.

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[Bug 61747] [r600g] GPU lockup when playing WoW with HD6450 and 3.8.1 kernel

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=61747

--- Comment #8 from Chris Rankin ranki...@googlemail.com ---
(In reply to comment #7)
 Does disabling htile support help?  Set env var R600_HYPERZ=0

Yes, this prevents the GPU from locking up.

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[Bug 61747] [r600g] GPU lockup when playing WoW with HD6450 and 3.8.1 kernel

[bugzilla-dae...@freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=61747

--- Comment #7 from Alex Deucher  ---
(In reply to comment #6)
> (In reply to comment #5)
> > Can you bisect mesa?
> 
> I'm not sure that makes sense. The crashes started after Fedora upgraded its
> 3.7.9 kernel to one based on 3.8.1, and so I have no idea if there's even a
> "good" commit in Mesa to start bisecting from.

I'm guessing the kernel update enabled some additional feature in mesa (htile
or async/cp dma support).  Does disabling htile support help?  Set env var
R600_HYPERZ=0

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[Bug 61747] [r600g] GPU lockup when playing WoW with HD6450 and 3.8.1 kernel

[bugzilla-dae...@freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=61747

--- Comment #6 from Chris Rankin  ---
(In reply to comment #5)
> Can you bisect mesa?

I'm not sure that makes sense. The crashes started after Fedora upgraded its
3.7.9 kernel to one based on 3.8.1, and so I have no idea if there's even a
"good" commit in Mesa to start bisecting from.

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[Bug 61747] [r600g] GPU lockup when playing WoW with HD6450 and 3.8.1 kernel

[bugzilla-dae...@freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=61747

--- Comment #5 from Alex Deucher  ---
Can you bisect mesa?

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[Bug 61747] [r600g] GPU lockup when playing WoW with HD6450 and 3.8.1 kernel

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=61747

--- Comment #5 from Alex Deucher ag...@yahoo.com ---
Can you bisect mesa?

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[Bug 61747] [r600g] GPU lockup when playing WoW with HD6450 and 3.8.1 kernel

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=61747

--- Comment #6 from Chris Rankin ranki...@googlemail.com ---
(In reply to comment #5)
 Can you bisect mesa?

I'm not sure that makes sense. The crashes started after Fedora upgraded its
3.7.9 kernel to one based on 3.8.1, and so I have no idea if there's even a
good commit in Mesa to start bisecting from.

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You are the assignee for the bug.
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[Bug 61747] [r600g] GPU lockup when playing WoW with HD6450 and 3.8.1 kernel

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=61747

--- Comment #7 from Alex Deucher ag...@yahoo.com ---
(In reply to comment #6)
 (In reply to comment #5)
  Can you bisect mesa?
 
 I'm not sure that makes sense. The crashes started after Fedora upgraded its
 3.7.9 kernel to one based on 3.8.1, and so I have no idea if there's even a
 good commit in Mesa to start bisecting from.

I'm guessing the kernel update enabled some additional feature in mesa (htile
or async/cp dma support).  Does disabling htile support help?  Set env var
R600_HYPERZ=0

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You are the assignee for the bug.
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[Bug 61747] [r600g] GPU lockup when playing WoW with HD6450 and 3.8.1 kernel

[bugzilla-dae...@freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=61747

Chris Rankin  changed:

   What|Removed |Added

Summary|[r600g] GPU lockup when |[r600g] GPU lockup when
   |playing WoW with 3.8.1  |playing WoW with HD6450 and
   |kernel. |3.8.1 kernel

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