[Bug 89944] GPU crash in Civilization 5

[Bug 89944] GPU crash in Civilization 5

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=89944

            Bug ID: 89944
           Summary: GPU crash in Civilization 5
           Product: Mesa
           Version: git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: sami.liedes@iki.fi
        QA Contact: dri-devel@lists.freedesktop.org

Created attachment 114935
  --> https://bugs.freedesktop.org/attachment.cgi?id=114935&action=edit
dmesg

Civilization 5, with all DLC, causes a GPU crash on recent git (490621f) on
Radeon R9 270. The game works perfectly on mesa 10.4.2 from Debian unstable,
though. Hardware and kernel are x86-64, but the game (and obviously mesa) is
32-bit.

The crash happens when the game is loaded, probably where the map would first
get drawn.

Mesa was built in a 32-bit chroot and configured with

   ./configure --prefix=/home/sliedes/local/mesa32 --build=i686-pc-linux-gnu
--host=i686-pc-linux-gnu --with-gallium-drivers=radeonsi
--with-egl-platforms=drm,x11 --enable-driglx-direct --enable-gles1
--enable-gles2 --enable-glx-tls --enable-texture-float

LLVM version is 3.6.0, built in release mode.

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[Bug 89944] GPU crash in Civilization 5

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https://bugs.freedesktop.org/show_bug.cgi?id=89944

--- Comment #1 from Sami Liedes <sami.liedes@iki.fi> ---
Created attachment 114936
  --> https://bugs.freedesktop.org/attachment.cgi?id=114936&action=edit
R600_DEBUG=ps,vs,gs output from crashing program

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[Bug 89944] GPU crash in Civilization 5

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https://bugs.freedesktop.org/show_bug.cgi?id=89944

--- Comment #2 from Sami Liedes <sami.liedes@iki.fi> ---
Created attachment 114937
  --> https://bugs.freedesktop.org/attachment.cgi?id=114937&action=edit
Non-crashing debug output from mesa 10.4.2, for comparison

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[Bug 89944] GPU crash in Civilization 5

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https://bugs.freedesktop.org/show_bug.cgi?id=89944

Sami Liedes <sami.liedes@iki.fi> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |kenneth@whitecape.org

--- Comment #3 from Sami Liedes <sami.liedes@iki.fi> ---
I bisected this down to this commit:

------------------------------------------------------------
commit 30f51f1a1a70bc838d5bed449daff0dd9f2e8ef2
Author: Kenneth Graunke <kenneth@whitecape.org>
Date:   Wed Oct 22 20:48:21 2014 -0700

    glsl: Optimize "if (cond) discard;" to a conditional discard.               

    st_glsl_to_tgsi and ir_to_mesa have handled conditional discards for a      
    long time; the previous patch added that capability to i965.                

    i965 (Haswell) shader-db stats:                                             

    Without NIR:                                                                
    total instructions in shared programs: 5792133 -> 5776360 (-0.27%)          
    instructions in affected programs:     737585 -> 721812 (-2.14%)            
    helped:                                6300                                 
    HURT:                                  68                                   
    GAINED:                                2                                    

    With NIR:                                                                   
    total instructions in shared programs: 5787538 -> 5769569 (-0.31%)          
    instructions in affected programs:     767843 -> 749874 (-2.34%)
    helped:                                6522
    HURT:                                  35
    GAINED:                                6

    Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
    Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
    Reviewed-by: Matt Turner <mattst88@gmail.com>
    Reviewed-by: Eric Anholt <eric@anholt.net>
------------------------------------------------------------

I can also confirm that reverting that commit on top of recent HEAD (4deca127)
fixes the issue.

I can attach R600_DEBUG=ps,gs,vs output from the offending commit and its
parent if you think comparing them is of any use.

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[Bug 89944] GPU crash in Civilization 5

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https://bugs.freedesktop.org/show_bug.cgi?id=89944

--- Comment #4 from qaridarium <thomas.frech.qaridarium@gmail.com> ---
I think I do have the same problem.

http://www.phoronix.com/forums/showthread.php?116700-HD7850-radeon-oibaf-ppa-Zivilisation-5-crash

I do have a hd7850 and I use the oibaf PPA to run the GIT code

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[Bug 89944] GPU crash in Civilization 5

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https://bugs.freedesktop.org/show_bug.cgi?id=89944

--- Comment #5 from Tom Stellard <tstellar@gmail.com> ---
(In reply to Sami Liedes from comment #3)
> I bisected this down to this commit:
> 
> ------------------------------------------------------------
> commit 30f51f1a1a70bc838d5bed449daff0dd9f2e8ef2
> Author: Kenneth Graunke <kenneth@whitecape.org>
> Date:   Wed Oct 22 20:48:21 2014 -0700
> 
>     glsl: Optimize "if (cond) discard;" to a conditional discard.           
> 
>                                                                             
> 
>     st_glsl_to_tgsi and ir_to_mesa have handled conditional discards for a  
> 
>     long time; the previous patch added that capability to i965.            
> 
>                                                                             
> 
>     i965 (Haswell) shader-db stats:                                         
> 
>                                                                             
> 
>     Without NIR:                                                            
> 
>     total instructions in shared programs: 5792133 -> 5776360 (-0.27%)      
> 
>     instructions in affected programs:     737585 -> 721812 (-2.14%)        
> 
>     helped:                                6300                             
> 
>     HURT:                                  68                               
> 
>     GAINED:                                2                                
> 
>                                                                             
> 
>     With NIR:                                                               
> 
>     total instructions in shared programs: 5787538 -> 5769569 (-0.31%)      
> 
>     instructions in affected programs:     767843 -> 749874 (-2.34%)
>     helped:                                6522
>     HURT:                                  35
>     GAINED:                                6
>     
>     Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
>     Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
>     Reviewed-by: Matt Turner <mattst88@gmail.com>
>     Reviewed-by: Eric Anholt <eric@anholt.net>
> ------------------------------------------------------------
> 
> I can also confirm that reverting that commit on top of recent HEAD
> (4deca127) fixes the issue.
> 
> I can attach R600_DEBUG=ps,gs,vs output from the offending commit and its
> parent if you think comparing them is of any use

That would be useful.

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[Bug 89944] GPU crash in Civilization 5

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https://bugs.freedesktop.org/show_bug.cgi?id=89944

Sami Liedes <sami.liedes@iki.fi> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |sami.liedes@iki.fi

--- Comment #6 from Sami Liedes <sami.liedes@iki.fi> ---
Created attachment 115007
  --> https://bugs.freedesktop.org/attachment.cgi?id=115007&action=edit
R600_DEBUG=ps,vs,gs output from last good commit (8eb6c109)

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[Bug 89944] GPU crash in Civilization 5

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https://bugs.freedesktop.org/show_bug.cgi?id=89944

--- Comment #7 from Sami Liedes <sami.liedes@iki.fi> ---
Created attachment 115008
  --> https://bugs.freedesktop.org/attachment.cgi?id=115008&action=edit
R600_DEBUG=ps,vs,gs output from first bad commit (R600_DEBUG=ps,vs,gs output
from last good commit (R600_DEBUG=ps,vs,gs output from last good commit
(30f51f1a)

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[Bug 89944] GPU crash in Civilization 5

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https://bugs.freedesktop.org/show_bug.cgi?id=89944

Sami Liedes <sami.liedes@iki.fi> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #115008|R600_DEBUG=ps,vs,gs output  |R600_DEBUG=ps,vs,gs output
        description|from first bad commit       |from first bad commit
                   |(R600_DEBUG=ps,vs,gs output |(30f51f1a)
                   |from last good commit       |
                   |(R600_DEBUG=ps,vs,gs output |
                   |from last good commit       |
                   |(30f51f1a)                  |

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[Bug 89944] GPU crash in Civilization 5

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https://bugs.freedesktop.org/show_bug.cgi?id=89944

--- Comment #8 from Tom Stellard <tstellar@gmail.com> ---
Can you pull the latest version of llvm and mesa and see if the problem still
exists?

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[Bug 89944] GPU crash in Civilization 5

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https://bugs.freedesktop.org/show_bug.cgi?id=89944

--- Comment #9 from Sami Liedes <sami.liedes@iki.fi> ---
Tested; cannot reproduce problem with latest mesa (28d9e904) and llvm
(r234939).

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[Bug 89944] GPU crash in Civilization 5

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https://bugs.freedesktop.org/show_bug.cgi?id=89944

Marek Olšák <maraeo@gmail.com> changed:

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

--- Comment #10 from Marek Olšák <maraeo@gmail.com> ---
(In reply to Sami Liedes from comment #9)
> Tested; cannot reproduce problem with latest mesa (28d9e904) and llvm
> (r234939).

Ok. Closing then.

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