[Bug 52491] New: radeon massive screen corruption BARTS HD6870

[Bug 52491] New: radeon massive screen corruption BARTS HD6870

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https://bugzilla.kernel.org/show_bug.cgi?id=52491

           Summary: radeon massive screen corruption BARTS HD6870
           Product: Drivers
           Version: 2.5
    Kernel Version: 3.8-rc
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: high
          Priority: P1
         Component: Video(DRI - non Intel)
        AssignedTo: drivers_video-dri@kernel-bugs.osdl.org
        ReportedBy: maxijac@free.fr
        Regression: No


Created an attachment (id=90801)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=90801)
return to desktop after bad rendering

Hi,

I'm experiencing a major rendering corruption with linux 3.8 and my HD 6870.

software:
latest kernel from linus as of 2013-08-01
latest mesa git as of 2013-08-01
latest llvm from tstellar git as of 2013-08-01
latest DDX from git as of 2013-08-01
libdrm 2.4.40

Symptoms:

I triggered this several times running Heroes of Newerth. When a match starts,
sometimes The textures are all black, or sometimes my cursor is missing.
(It looks like my LLVM-enabled for the glsl compiler builds of mesa trigger the
black textures more often)

When this happens, quitting the game and returning to my desktop, everything is
garbled, things do not refresh correctly. See screenshot.

keeping the same userland and just downgrading to linux 3.7 solves everything.

Nothing gets added to dmesg...

I don't have much time for bisecting this, I'll try asap but it won't be before
some days, so if someone has similar hardware, please try to reproduce it. HoN
is free to play and natively runs on linux. (http://www.heroesofnewerth.com)

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[Bug 52491] radeon massive screen corruption BARTS HD6870

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--- Comment #1 from Bruno J. <maxijac@free.fr>  2013-01-08 18:45:10 ---
Created an attachment (id=90811)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=90811)
When the rendering is bad inside the game

right before I quit the game and all the bad stuff happens.

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[Bug 52491] radeon massive screen corruption BARTS HD6870

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https://bugzilla.kernel.org/show_bug.cgi?id=52491


Bruno J. <maxijac@free.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Regression|No                          |Yes




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[Bug 52491] radeon massive screen corruption BARTS HD6870

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--- Comment #2 from Bruno J. <maxijac@free.fr>  2013-01-10 23:00:51 ---
Still happening in rc3

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[Bug 52491] radeon massive screen corruption BARTS HD6870

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--- Comment #3 from Bruno J. <maxijac@free.fr>  2013-01-12 18:27:13 ---
I bisected it. THough it looks like the behavior changed halfway, I was getting
kernel crashes for this commit for example.

d2ead3eaf8a4bf92129eda69189ce18a6c1cc8bd is the first bad commit                
commit d2ead3eaf8a4bf92129eda69189ce18a6c1cc8bd                                 
Author: Alex Deucher <alexander.deucher@amd.com>                                
Date:   Thu Dec 13 09:55:45 2012 -0500                                          

    drm/radeon/kms: add evergreen/cayman CS parser for async DMA (v2)           

    Allows us to use the DMA ring from userspace.                               
    DMA doesn't have a good NOP packet in which to embed the                    
    reloc idx, so userspace has to add a reloc for each                         
    buffer used and order them to match the command stream.                     

    v2: fix address bounds checking                                             

    Signed-off-by: Alex Deucher <alexander.deucher@amd.com>                     

:040000 040000 7183de0d56e5c01b40775244d5dc4b5441406786
f3abce52c375cc4598cd23739df825771e6fb46e M      drivers

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[Bug 52491] radeon massive screen corruption BARTS HD6870

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https://bugzilla.kernel.org/show_bug.cgi?id=52491


Alex Deucher <alexdeucher@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |alexdeucher@gmail.com




--- Comment #4 from Alex Deucher <alexdeucher@gmail.com>  2013-01-12 22:27:22 ---
Probably a bad bisect.  That commit just enables userspace accel drivers to
utilize the DMA engine, but the userspace drivers do not take advantage of that
yet so the code is currently never called.

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[Bug 52491] radeon massive screen corruption BARTS HD6870

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--- Comment #5 from Bruno J. <maxijac@free.fr>  2013-01-12 22:41:42 ---
Hm, I was expecting something like that.
I'm experiencing 2 bugs in 1.
This one was a plain crash, while the first one I opened the report about was a
corruption but no crash.

I may re-bisect the kernel and flag "good" when it just crashes but no
corruption ?

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--- Comment #6 from Bruno J. <maxijac@free.fr>  2013-01-12 23:15:25 ---
After further testing, it seems that there is 2 bugs as I said.
The first one I'm seeing (and the one the report is about) seems to be caused
by commit dd54fee7d440c4a9756cce2c24a50c15e4c17ccb.

And now the crash I also got is probably an older commit, but as the crash is
pretty random, I got the bisect wrong.

Seeing the commit message of dd54fee7d440c4a9756cce2c24a50c15e4c17ccb, it fixes
a kernel crash that looks like mine, I'll attach a screenshot of mine (poor
quality :/)

==> So maybe dd54fef DID fix the kernel crash but replaced it with the
corruption I'm seeing ?

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[Bug 52491] radeon massive screen corruption BARTS HD6870

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--- Comment #7 from Bruno J. <maxijac@free.fr>  2013-01-12 23:18:59 ---
Created an attachment (id=91101)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=91101)
kernel crash I got from older commits while bisecting

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[Bug 52491] radeon massive screen corruption BARTS HD6870

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--- Comment #8 from Michel Dänzer <michel@daenzer.net>  2013-01-15 14:36:15 ---
(In reply to comment #6)
> ==> So maybe dd54fef DID fix the kernel crash but replaced it with the
> corruption I'm seeing ?

Does the corruption also occur with dd54fee7d440c4a9756cce2c24a50c15e4c17ccb
applied manually on top of 0d0b3e7443bed6b49cb90fe7ddc4b5578a83a88d?

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[Bug 52491] radeon massive screen corruption BARTS HD6870

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https://bugzilla.kernel.org/show_bug.cgi?id=52491





--- Comment #9 from Alex Deucher <alexdeucher@gmail.com>  2013-01-15 17:37:44 ---
Does reverting the following commit fix the issue?

commit d025e9e2b890db679f1246037bf65bd4be512627
Author: Jerome Glisse <jglisse@redhat.com>
Date:   Thu Nov 29 10:35:41 2012 -0500

    drm/radeon: do not move bo to different placement at each cs

    The bo creation placement is where the bo will be. Instead of trying
    to move bo at each command stream let this work to another worker
    thread that will use more advance heuristic.

    agd5f: remove leftover unused variable

    Signed-off-by: Jerome Glisse <jglisse@redhat.com>
    Reviewed-by: Alex Deucher <alexander.deucher@amd.com>

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--- Comment #10 from Bruno Jacquet <maxijac@free.fr>  2013-01-15 19:26:08 ---
(In reply to comment #8)
> (In reply to comment #6)
> > ==> So maybe dd54fef DID fix the kernel crash but replaced it with the
> > corruption I'm seeing ?
> 
> Does the corruption also occur with dd54fee7d440c4a9756cce2c24a50c15e4c17ccb
> applied manually on top of 0d0b3e7443bed6b49cb90fe7ddc4b5578a83a88d?

g0d0b3e7 with patch dd54fee7d I see no corruption

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--- Comment #11 from Bruno Jacquet <maxijac@free.fr>  2013-01-15 19:38:05 ---
(In reply to comment #9)
> Does reverting the following commit fix the issue?
> 
> commit d025e9e2b890db679f1246037bf65bd4be512627
> Author: Jerome Glisse <jglisse@redhat.com>
> Date:   Thu Nov 29 10:35:41 2012 -0500
> 
>     drm/radeon: do not move bo to different placement at each cs
> 
>     The bo creation placement is where the bo will be. Instead of trying
>     to move bo at each command stream let this work to another worker
>     thread that will use more advance heuristic.
> 
>     agd5f: remove leftover unused variable
> 
>     Signed-off-by: Jerome Glisse <jglisse@redhat.com>
>     Reviewed-by: Alex Deucher <alexander.deucher@amd.com>

It does fix the corruption.

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--- Comment #12 from Alex Deucher <alexdeucher@gmail.com>  2013-01-15 20:57:27 ---
Same issue as:
https://bugs.freedesktop.org/show_bug.cgi?id=58659

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--- Comment #13 from Jérôme Glisse <glisse@freedesktop.org>  2013-01-16 22:31:46 ---
Created an attachment (id=91421)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=91421)
Exclude system placement

Does applying this patch without reverting anything fix the issue ?

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[Bug 52491] radeon massive screen corruption BARTS HD6870

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Jérôme Glisse <glisse@freedesktop.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |glisse@freedesktop.org




--- Comment #14 from Jérôme Glisse <glisse@freedesktop.org>  2013-01-17 00:20:44 ---
Better to try this patch instead first :
http://people.freedesktop.org/~glisse/0001-drm-radeon-exclude-system-placement-when-validating-.patch

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--- Comment #15 from Bruno Jacquet <maxijac@free.fr>  2013-01-17 19:26:36 ---
(In reply to comment #14)
> Better to try this patch instead first :
> http://people.freedesktop.org/~glisse/0001-drm-radeon-exclude-system-placement-when-validating-.patch

With this patch, my game froze before I could even check the rendering. My
cursor still moved, I could switch to tty1.
I checked dmesg : nothing added. I went back to tty7 (X) and then it was stuck
there.

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Florian Mickler <florian@mickler.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |florian@mickler.org




--- Comment #16 from Florian Mickler <florian@mickler.org>  2013-01-26 10:50:36 ---
A patch referencing this bug report has been merged in Linux v3.8-rc5:

commit 20707874fd4fd37e09513f508e642fa8bd06365a
Author: Alex Deucher <alexander.deucher@amd.com>
Date:   Thu Jan 17 13:10:50 2013 -0500

    Revert "drm/radeon: do not move bo to different placement at each cs"

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--- Comment #17 from Bruno Jacquet <maxijac@free.fr>  2013-01-27 14:04:31 ---
Indeed, linux 3.8-rc5 with no patch applied is working now, I see no
corruption.

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Bruno Jacquet <maxijac@free.fr> changed:

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




--- Comment #18 from Bruno Jacquet <maxijac@free.fr>  2013-03-05 14:41:47 ---
Final 3.8 is working

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