[Bug 42683] [r300g] GPU lockup while playing WoW

[Bug 42683] [r300g] GPU lockup while playing WoW

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=42683

--- Comment #3 from Chris Rankin <rankincj@googlemail.com> 2011-11-07 16:44:29 UTC ---
(In reply to comment #1)
> Could you please bisect?

The problem does not occur between dceb202297b39220fbbcb41267077fb3ff8d137a and
2318443ebd6bf9727676b530a3b057dcf13a3ca6, so I can only assume that these two
GPU lockups were due to an intermittent bug that was already present.

FWIW, there seems to be a small drop in FPS between Mesa 7.11 and Mesa git.
7.11 (strictly speaking, it's mesa-dri-drivers-7.11-1.fc15.i686) is giving me
10-11 fps in situations where git is currently giving me 7-8 fps. Possibly the
lockup requires a certain level of graphical "business" which just isn't
present at 12:30 AM.

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[Bug 42683] New: [r300g] GPU lockup while playing WoW

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=42683

             Bug #: 42683
           Summary: [r300g] GPU lockup while playing WoW
    Classification: Unclassified
           Product: Mesa
           Version: git
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/r300
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: rankincj@googlemail.com


Created attachment 53271
  --> https://bugs.freedesktop.org/attachment.cgi?id=53271
dmesg log from GPU lockup

I'm not sure whether this is a new problem or just a particularly bad side
effect of bug #41698, but WoW has now begun locking up after just a few moments
of gameplay. I'm sure it wasn't as bad as this yesterday though.

The latest commit in git is:

commit dceb202297b39220fbbcb41267077fb3ff8d137a
Author: Kenneth Graunke <kenneth@whitecape.org>
Date:   Mon Nov 7 12:07:44 2011 -0800

    i965: Fix Sandybridge regression introduced by workaround-free math.

And I'm fairly sure it was working yesterday with:

commit 2318443ebd6bf9727676b530a3b057dcf13a3ca6
Author: Dave Airlie <airlied@redhat.com>
Date:   Sun Nov 6 19:38:50 2011 +0000

    gl3.txt: update for ARB_texture_storage.

There is something seriously wrong with r300g.

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[Bug 42683] [r300g] GPU lockup while playing WoW

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=42683

--- Comment #1 from Marek Olšák <maraeo@gmail.com> 2011-11-07 14:50:34 PST ---
Could you please bisect?

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[Bug 42683] [r300g] GPU lockup while playing WoW

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=42683

--- Comment #2 from Chris Rankin <rankincj@googlemail.com> 2011-11-07 15:13:25 PST ---
(In reply to comment #1)
> Could you please bisect?

Haven't we already played the bisection game, though? I proved that commit:

363ff844753c46ac9c13866627e096b091ea81f8 is the first bad commit
commit 363ff844753c46ac9c13866627e096b091ea81f8
Author: Marek Olšák <maraeo@gmail.com>
Date:   Tue Sep 27 01:10:20 2011 +0200

    winsys/radeon: move GEM domains out of the drivers into winsys

was bad ages ago, and have already mentioned getting a GPU lockup with it
applied. Any new bisection must therefore include this "known bad" commit.

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[Bug 42683] [r300g] GPU lockup while playing WoW

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=42683

--- Comment #4 from Chris Rankin <rankincj@googlemail.com> 2011-11-22 12:57:56 PST ---
Created attachment 53788
  --> https://bugs.freedesktop.org/attachment.cgi?id=53788
Two GPU resets while playing WoW

These two GPU resets happened in quick succession, although the kernel managed
to recover each time. (Small comfort, I suppose).

The kernel is 3.1.2, with Mesa HEAD at:

commit 034e63b9f8ee23cfac769b1a2c431bdd2307a6c4
Author: Marek Olšák <maraeo@gmail.com>
Date:   Tue Nov 22 20:48:23 2011 +0100

    r600g: handle all remaining CAPs

This does not bode well for RV350 support with Mesa 7.12.

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[Bug 42683] [r300g] GPU lockup while playing WoW

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=42683

Chris Rankin <rankincj@googlemail.com> changed:

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

--- Comment #5 from Chris Rankin <rankincj@googlemail.com> 2012-06-08 06:44:53 PDT ---
This hasn't happened for a long time.

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