[Bug 60516] New: nouveau driver graphics corrupted in 3.7 kernel for nvidia FX5200 [NV34] hardware

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ@public.gmane.org]

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https://bugs.freedesktop.org/show_bug.cgi?id=60516

          Priority: medium
            Bug ID: 60516
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
           Summary: nouveau driver graphics corrupted in 3.7 kernel for
                    nvidia FX5200 [NV34] hardware
        QA Contact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: lee_matheson-PkbjNfxxIARBDgjK7y7TUQ@public.gmane.org
          Hardware: x86 (IA32)
            Status: NEW
           Version: unspecified
         Component: Driver/nouveau
           Product: xorg

The 3.7 kernel nouveau driver provides a corrupted display when booting to a PC
with an older nvidia FX5200 graphic card.  This was tested with:
* openSUSE-12.3 32-bit beta1 KDE liveCD and 3.7.1 kernel
* openSUSE-12.3 32-bit RC1 KDE liveCD and 3.7.6-1.2 kernel
* openSUSE-12.2 with the 32-bit Tumbleweed 3.7.2-18 kernel (on an LXDE desktop)
* Porteus-1.2 (release candidate version) which has the 3.7.5 kernel (and is
slackware based).
* Bodhi-2.2.0-32 which has the 3.7.0-7 kernel (and is Ubuntu based)

I rolled back the openSUSE-12.2 with the 32-bit Tumbleweed 3.7.2-18 kernel
(which I noted had the graphics corruption) to a 3.4.6 kernel (with nouveau)
and it works fine on this same PC with both a KDE and an LXDE desktop.  I
tested a Knoppix-7.0.5 with its 3.6.11 kernel which booted fine to superb
graphics with the nouveau driver, to a nice 1680x1050 resolution on this old
FX5200 (NV34) hardware (with special desktop effects working nicely).  

Ergo I believe the 3.7 kernel is at fault.

I have raised a bug report on openSUSE here:
https://bugzilla.novell.com/show_bug.cgi?id=800686 but I believe the problem to
be upstream with the nouveau driver. 

The graphics look like this:  http://www.imagebam.com/image/aaa1db233074551 and
that is pretty much the same appearance across all GNU/Linux distribution
versions that I have tested with the 3.7.x kernel and the nouveau driver.

dmesg of openSUSE-12.3 B1 w/3.7.1 kernel :
https://bugzilla.novell.com/attachment.cgi?id=522124

xorg.0.log of openSUSE-12.3 B1 w/3.7.1 kernel:
https://bugzilla.novell.com/attachment.cgi?id=522125

/var/log/messages of openSUSE-12.3 B1 w/3.7.1 kernel:
https://bugzilla.novell.com/attachment.cgi?id=522126

xsesson errors of openSUSE-12.3 B1 w/3.7.1 kernel:
https://bugzilla.novell.com/attachment.cgi?id=522127

I looked at the image of the corruption (with the 3.7 kernel) on NVIDIA GeForce
8400M G graphics card in this bug report
https://bugs.freedesktop.org/show_bug.cgi?id=58378 and it looks difference,
hence I believe that 'may' be a different problem.

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