[Nouveau] [Bug 54700] Distorted graphics (double cursor) with GeForce 4200Go (NV28)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=54700

nv28m <nv28m at freemail.hu> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Version|unspecified                 |6.7.0

--- Comment #55 from nv28m <nv28m at freemail.hu> ---
I also have this problem. Everything unaccelerated comes up as trash, even on
the kernel framebuffer (if acceleration was switched off). Or for example I can
see most of the graphics ok, but if I use ShadowFB then the whole screen is
unusable. And the cursor is garbage too most of the time.

This is nothing new, but I found a way to make it work.

I have two systems installed (latest debian/testing). I boot the first one to X
with the nvidia drivers. Then I use kexec to boot into the second system (also
debian/testing), which is using nouveau. And at this time, all the graphics are
fine!

So something is initialized by the nvidia driver, which is not touched by
nouveau but is required for correct operation.

Is there a way I could help? Like dumping register states with/without the
nvidia init?

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