[Bug 39572] New: Cogs: GPU hang

[Bug 39572] New: Cogs: GPU hang

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=39572

           Summary: Cogs: GPU hang
           Product: Mesa
           Version: git
          Platform: Other
               URL: http://www.humblebundle.com/
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/r600
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: sa@whiz.se


Created an attachment (id=49589)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=49589)
dmesg output

The game Cogs (from the Humble Indie Bundle) is causing a GPU hang. Unless the
process is killed quickly the reset functionality doesn't seem to work so a
full reboot is necessary.

The hang only happens if shadows is turned on in the game options, which it is
by default so the hang happens right after launching the game.

No difference between 7.11 and git master.

Something else seems to be wrong with the game as it's pegging the CPU at 100%
and performance is just a few frames per second.

System environment:
-- system architecture: 32-bit
-- Linux distribution: Debian unstable
-- GPU: REDWOOD
-- Model: XFX Radeon HD 5670 1GB
-- Display connector: DVI
-- xf86-video-ati: 6.14.2
-- xserver: 1.10.2.902
-- mesa: 860c51d82711936d343b55aafb46befc8c032fe6
-- drm: 2.4.26
-- kernel: 3.0

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[Bug 39572] Cogs: GPU hang

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https://bugs.freedesktop.org/show_bug.cgi?id=39572

Alex Deucher <agd5f@yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jeff.raber@gmail.com

--- Comment #1 from Alex Deucher <agd5f@yahoo.com> 2011-07-28 06:42:37 PDT ---
*** Bug 39617 has been marked as a duplicate of this bug. ***

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[Bug 39572] Cogs: GPU hang

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=39572

--- Comment #2 from Vadim <ptpzz@yandex.ru> 2011-07-28 07:13:43 PDT ---
Created an attachment (id=49666)
 View: https://bugs.freedesktop.org/attachment.cgi?id=49666
 Review: https://bugs.freedesktop.org/review?bug=39572&attachment=49666

[PATCH] r600g: fix vs export count

Does this patch help?

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[Bug 39572] Cogs: GPU hang

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=39572

--- Comment #3 from Sven Arvidsson <sa@whiz.se> 2011-07-28 13:12:37 PDT ---
(In reply to comment #2)
> Created an attachment (id=49666)
 View: https://bugs.freedesktop.org/attachment.cgi?id=49666
 Review: https://bugs.freedesktop.org/review?bug=39572&attachment=49666

> [PATCH] r600g: fix vs export count
> 
> Does this patch help?

It does! Thank you :)

The game is still really slow, but I'll open another bug about that, possibly
first see if it's only on r600g or something common to all Mesa/G3D drivers.

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[Bug 39572] Cogs: GPU hang

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=39572

Alex Deucher <agd5f@yahoo.com> changed:

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

--- Comment #4 from Alex Deucher <agd5f@yahoo.com> 2011-07-28 16:57:29 PDT ---
Pushed:
95ee961f77119826382cfbc617334aed986b72e5

Thanks!

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[Bug 39572] Cogs: GPU hang

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=39572

--- Comment #5 from Vadim <ptpzz@yandex.ru> 2011-07-29 03:04:49 PDT ---
Created an attachment (id=49707)
 View: https://bugs.freedesktop.org/attachment.cgi?id=49707
 Review: https://bugs.freedesktop.org/review?bug=39572&attachment=49707

[PATCH] gallium: vertex buffer optimization

This experimental patch should help with performance in cogs, though it needs
more work and testing. I'm not sure if it's the right way to implement such
optimization at all.

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[Bug 39572] Cogs: GPU hang

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https://bugs.freedesktop.org/show_bug.cgi?id=39572

--- Comment #6 from Sven Arvidsson <sa@whiz.se> 2011-07-29 05:23:56 PDT ---
(In reply to comment #5)
> This experimental patch should help with performance in cogs, though it needs
> more work and testing. I'm not sure if it's the right way to implement such
> optimization at all.

It seems to work fine here. There's a night-and-day difference with and without
this patch!

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[Bug 39572] Cogs: GPU hang

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https://bugs.freedesktop.org/show_bug.cgi?id=39572

Pavel Ondračka <pavel.ondracka@email.cz> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |pavel.ondracka@email.cz

--- Comment #7 from Pavel Ondračka <pavel.ondracka@email.cz> 2011-07-29 07:14:03 PDT ---
Just wondering, will this optimization be possible for r300g too?

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[Bug 39572] Cogs: GPU hang

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=39572

--- Comment #8 from Vadim <ptpzz@yandex.ru> 2011-07-29 21:16:52 PDT ---
Created an attachment (id=49735)
 View: https://bugs.freedesktop.org/attachment.cgi?id=49735
 Review: https://bugs.freedesktop.org/review?bug=39572&attachment=49735

r300g support for previous patch (not tested)

(In reply to comment #7)
> Just wondering, will this optimization be possible for r300g too?

I think it should be rewritten in more generic way, so that the specific
drivers won't need to care about it. I'll look into it. 

But if you want to test this in its current state, then you could try attached
patch for r300g, it needs to be applied after the previous patch. I can't test
without r300 hw though, so I'm not sure it'll work.

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[Bug 39572] Cogs: GPU hang

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=39572

--- Comment #9 from Pavel Ondračka <pavel.ondracka@email.cz> 2011-07-30 00:14:38 PDT ---
(In reply to comment #8)
> Created an attachment (id=49735)
 View: https://bugs.freedesktop.org/attachment.cgi?id=49735
 Review: https://bugs.freedesktop.org/review?bug=39572&attachment=49735

> r300g support for previous patch (not tested)
> 
> (In reply to comment #7)
> > Just wondering, will this optimization be possible for r300g too?
> 
> I think it should be rewritten in more generic way, so that the specific
> drivers won't need to care about it. I'll look into it. 
> 
> But if you want to test this in its current state, then you could try attached
> patch for r300g, it needs to be applied after the previous patch. I can't test
> without r300 hw though, so I'm not sure it'll work.

It works fine with my RV530 card.

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