Nouveau - Oct 2009 - [Bug 24595] New: [nv15] screen corruption (color) with latest git

http://bugs.freedesktop.org/show_bug.cgi?id=24595

           Summary: [nv15] screen corruption (color) with latest git
           Product: xorg
           Version: git
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: johannesobermayr at gmx.de
         QAContact: xorg-team at lists.x.org


Hardware: Geforce 2 GTS
Installed software: Mesa, nouveau driver and kernel driver -> all git
(20091016)


I think two pictures are worth a thousands words...

nv-driver (good):
http://www.freeimagehosting.net/uploads/2665af90b8.jpg


nouveau-driver (bad):
http://www.freeimagehosting.net/uploads/9cc2e6a842.jpg


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--- Comment #1 from Ben Skeggs <skeggsb at gmail.com>  2009-10-17 17:37:31
PST ---
Pictures are useful, logs are even better! :)  Can you attach
/var/log/Xorg.0.log and the output of the dmesg command when the corruption is
present.


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--- Comment #2 from Johannes Obermayr <johannesobermayr at gmx.de> 
2009-10-18 02:05:19 PST ---
Created an attachment (id=30515)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=30515)
Xorg.0.log


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--- Comment #3 from Johannes Obermayr <johannesobermayr at gmx.de> 
2009-10-18 02:06:03 PST ---
Created an attachment (id=30516)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=30516)
dmesg.txt


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--- Comment #4 from Francisco Jerez <currojerez at riseup.net>  2009-10-18
08:08:19 PST ---
Created an attachment (id=30526)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=30526)
ums_lut.patch

The attached patch should do the trick. However you should already be using
KMS, userspace modesetting is more or less abandoned.


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Johannes Obermayr <johannesobermayr at gmx.de> changed:

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




--- Comment #5 from Johannes Obermayr <johannesobermayr at gmx.de> 
2009-10-18 08:45:25 PST ---
I applied the patch and I see the right colors again...

But I do not understand what you mean with "you should already be using
KMS".
What must I do? Set another configure/compiler flag?

Btw. is it possible that I disable 3D acceleration (Gallium) and use 2D
acceleration if it is already compiled into Mesa via
"--enable-gallium-nouveau"?

Maybe you directly answer to my email address.

Thanks for your work...

I am closing the bug now...


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--- Comment #6 from Pekka Paalanen <pq at iki.fi>  2009-10-18 09:29:34 PST
---
(In reply to comment #5)
> But I do not understand what you mean with "you should already be
using KMS".
> What must I do? Set another configure/compiler flag?
http://nouveau.freedesktop.org/wiki/KernelModeSetting
> Btw. is it possible that I disable 3D acceleration (Gallium) and use 2D
> acceleration if it is already compiled into Mesa via
> "--enable-gallium-nouveau"?
Just do not install gallium-enabled Mesa system-wide.


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