[Bug 24802] Graphics errors with Radeon KMS driver on RV770

2011-03-07 Thread bugzilla-dae...@bugzilla.kernel.org
https://bugzilla.kernel.org/show_bug.cgi?id=24802


J?r?me Glisse  changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 CC||glisse at freedesktop.org
 Resolution||CODE_FIX




--- Comment #6 from J?r?me Glisse   2011-03-07 
18:43:54 ---
Solution is to update mesa, see comment #4 for why it can't be fixed properly
otherwise, closing this bug

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[Bug 24802] Graphics errors with Radeon KMS driver on RV770

2011-03-07 Thread bugzilla-daemon
https://bugzilla.kernel.org/show_bug.cgi?id=24802


Jérôme Glisse gli...@freedesktop.org changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 CC||gli...@freedesktop.org
 Resolution||CODE_FIX




--- Comment #6 from Jérôme Glisse gli...@freedesktop.org  2011-03-07 18:43:54 
---
Solution is to update mesa, see comment #4 for why it can't be fixed properly
otherwise, closing this bug

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[Bug 24802] Graphics errors with Radeon KMS driver on RV770

2011-01-20 Thread bugzilla-daemon
https://bugzilla.kernel.org/show_bug.cgi?id=24802


Robert Hooker sarv...@gmail.com changed:

   What|Removed |Added

 CC||sarv...@gmail.com




--- Comment #5 from Robert Hooker sarv...@gmail.com  2011-01-20 20:45:59 ---
This has been applied to 2.6.35 longterm, is it appropriate there given that it
breaks userspace? Ubuntu started getting a large amount of bug reports about
things being broken after updating to 2.6.35.10.

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/703553

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[Bug 24802] Graphics errors with Radeon KMS driver on RV770

2010-12-13 Thread bugzilla-dae...@bugzilla.kernel.org
https://bugzilla.kernel.org/show_bug.cgi?id=24802





--- Comment #4 from Alex Deucher   2010-12-13 
15:48:01 ---
Unfortunately, there's no way to support both old and new mesa at the same time
properly because the group size calculation happens when the GPU is initialized
prior to any userspace libs loading.  You can't reconfigure the memory
controller per client and setting the group size wrong means you won't be able
to use new features like 2D tiling.

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[Bug 24802] Graphics errors with Radeon KMS driver on RV770

2010-12-13 Thread bugzilla-dae...@bugzilla.kernel.org
https://bugzilla.kernel.org/show_bug.cgi?id=24802





--- Comment #3 from Alex Deucher   2010-12-13 
15:37:41 ---
This is actually a bug in mesa.  It's fixed by this commit:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=5b15b5f4a8fffa07d8051e6cd4cd0a6c9288fc9f

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[Bug 24802] Graphics errors with Radeon KMS driver on RV770

2010-12-13 Thread bugzilla-dae...@bugzilla.kernel.org
https://bugzilla.kernel.org/show_bug.cgi?id=24802


Reiner Herrmann  changed:

   What|Removed |Added

 CC||r_herrma at informatik.uni-kl.
   ||de




--- Comment #2 from Reiner Herrmann   
2010-12-13 14:23:34 ---
I just bisected it and found the problematic commit:

3645e7665f285b51fbb5aa73a255b858abe72cfc is the first bad commit
commit 3645e7665f285b51fbb5aa73a255b858abe72cfc
Author: Alex Deucher 
Date:   Mon Oct 18 23:54:56 2010 -0400

drm/radeon/kms: properly compute group_size on 6xx/7xx

commit 881fe6c1d06bf49f4ab7aef212cdaf66bd059614 upstream.

Needed for tiled surfaces.

Signed-off-by: Alex Deucher 
Signed-off-by: Dave Airlie 
Signed-off-by: Greg Kroah-Hartman 

:04 04 996abb61f4c4ccd436f84f159fd50237fb542ed1
b31fe649b2eaff0ed1b7abf05898a75dbbb81dfa M  drivers


When reversing this commit in 2.6.36.2, everything is running normally again.

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[Bug 24802] Graphics errors with Radeon KMS driver on RV770

2010-12-13 Thread bugzilla-dae...@bugzilla.kernel.org
https://bugzilla.kernel.org/show_bug.cgi?id=24802


Alex Deucher  changed:

   What|Removed |Added

 CC||alexdeucher at gmail.com




--- Comment #1 from Alex Deucher   2010-12-13 
01:03:12 ---
Can you bisect what commit is problematic?

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[Bug 24802] Graphics errors with Radeon KMS driver on RV770

2010-12-13 Thread bugzilla-daemon
https://bugzilla.kernel.org/show_bug.cgi?id=24802


Reiner Herrmann r_her...@informatik.uni-kl.de changed:

   What|Removed |Added

 CC||r_her...@informatik.uni-kl.
   ||de




--- Comment #2 from Reiner Herrmann r_her...@informatik.uni-kl.de  2010-12-13 
14:23:34 ---
I just bisected it and found the problematic commit:

3645e7665f285b51fbb5aa73a255b858abe72cfc is the first bad commit
commit 3645e7665f285b51fbb5aa73a255b858abe72cfc
Author: Alex Deucher alexdeuc...@gmail.com
Date:   Mon Oct 18 23:54:56 2010 -0400

drm/radeon/kms: properly compute group_size on 6xx/7xx

commit 881fe6c1d06bf49f4ab7aef212cdaf66bd059614 upstream.

Needed for tiled surfaces.

Signed-off-by: Alex Deucher alexdeuc...@gmail.com
Signed-off-by: Dave Airlie airl...@redhat.com
Signed-off-by: Greg Kroah-Hartman gre...@suse.de

:04 04 996abb61f4c4ccd436f84f159fd50237fb542ed1
b31fe649b2eaff0ed1b7abf05898a75dbbb81dfa M  drivers


When reversing this commit in 2.6.36.2, everything is running normally again.

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[Bug 24802] Graphics errors with Radeon KMS driver on RV770

2010-12-13 Thread bugzilla-daemon
https://bugzilla.kernel.org/show_bug.cgi?id=24802





--- Comment #3 from Alex Deucher alexdeuc...@gmail.com  2010-12-13 15:37:41 
---
This is actually a bug in mesa.  It's fixed by this commit:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=5b15b5f4a8fffa07d8051e6cd4cd0a6c9288fc9f

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[Bug 24802] Graphics errors with Radeon KMS driver on RV770

2010-12-13 Thread bugzilla-daemon
https://bugzilla.kernel.org/show_bug.cgi?id=24802





--- Comment #4 from Alex Deucher alexdeuc...@gmail.com  2010-12-13 15:48:01 
---
Unfortunately, there's no way to support both old and new mesa at the same time
properly because the group size calculation happens when the GPU is initialized
prior to any userspace libs loading.  You can't reconfigure the memory
controller per client and setting the group size wrong means you won't be able
to use new features like 2D tiling.

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[Bug 24802] Graphics errors with Radeon KMS driver on RV770

2010-12-12 Thread bugzilla-daemon
https://bugzilla.kernel.org/show_bug.cgi?id=24802


Alex Deucher alexdeuc...@gmail.com changed:

   What|Removed |Added

 CC||alexdeuc...@gmail.com




--- Comment #1 from Alex Deucher alexdeuc...@gmail.com  2010-12-13 01:03:12 
---
Can you bisect what commit is problematic?

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