Nouveau - Jan 2008 - [Bug 13993] New: Display corruption when using iceWM

http://bugs.freedesktop.org/show_bug.cgi?id=13993

           Summary: Display corruption when using iceWM
           Product: xorg
           Version: 7.3
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: jsagarribay at gmail.com
         QAContact: xorg-team at lists.x.org


The decorations of the windows and buttons drawn by icewm are broken. The
corruption changes when moving the mouse over the buttons, and seems related to
other parts of the screen.

I tried bisecting the issue and it is present at least since commit 2e2e95 (Jun
24 2007). I could try some older version if needed, but I'd need to
downgrade
the kernel and recompile everything.

Also tried options "shadowfb" and "noaccel", but the server
gets killed with
signal 11 when it starts.

I'll attach logs and one screenshot showing the problem


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------- Comment #1 from jsagarribay at gmail.com  2008-01-09 09:59 PST -------
Created an attachment (id=13621)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=13621&action=view)
Xorg.log when running iceWM


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------- Comment #2 from jsagarribay at gmail.com  2008-01-09 10:01 PST -------
Created an attachment (id=13622)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=13622&action=view)
Screenshot which shows the problem


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------- Comment #3 from jsagarribay at gmail.com  2008-01-09 10:02 PST -------
Created an attachment (id=13623)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=13623&action=view)
Screenshot of the expected result (with nv)


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------- Comment #4 from madman2003 at gmail.com  2008-01-09 10:21 PST -------
Only IceWM has this problem?

Does it also occur when randr12 is disabled?


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------- Comment #5 from jsagarribay at gmail.com  2008-01-09 10:40 PST -------
Yes, it only happens with icewm (well, I've never seen it with anything
else)
and yes, it happens with and without RandR12


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--- Comment #6 from Maarten Maathuis <madman2003 at gmail.com>  2008-02-01
13:25:27 PST ---
Perhaps we should first debug why NoAccel causes a crash, please submit a xlog
of that.


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--- Comment #7 from Jaime Velasco Juan <jsagarribay at gmail.com> 
2008-02-03 05:23:03 PST ---
Created an attachment (id=14114)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=14114)
Fix NoAccel (and ShadowFB)

I bisected the NoAccel issue, the problem was introduced with

commit 2af4a28ae1df46686e264bcda417a896b7cfa59a
Author: Ben Skeggs <skeggsb at gmail.com>
Date:   Fri Nov 16 09:18:33 2007 +1100

    Hook up DMA funcs to channels/grobjs etc etc

With this patch, NoAccel works again.
Regarding the original bug with iceWM, I'm not able to test/do anything now,
but hopefully will be the next week.

Regards


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--- Comment #8 from Maarten Maathuis <madman2003 at gmail.com>  2008-02-03
06:48:12 PST ---
I pushed that patch. I'll keep an eye on this bugreport.


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Jaime Velasco Juan <jsagarribay at gmail.com> changed:

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




--- Comment #9 from Jaime Velasco Juan <jsagarribay at gmail.com> 
2008-02-08 10:47:59 PST ---
I finally got to testing this again after reinstalling my OS and now I can't
reproduce it. I've tried downgrading the xserver and using an old nouveau
version, but it works fine now.

I don't know where could be the problem, so I'll close the bug with
WORKSFORSOME,
sorry for the noise.


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