[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

--- Comment #57 from Ilia Mirkin <imirkin at alum.mit.edu> ---
(In reply to comment #55)
> 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?

You could do a mmiotrace of the nvidia driver. It's likely that we're missing
some bit of init. The resulting file will probably be quite large (50-100MB)...
xz -9 it and email to mmio.dumps at gmail.com. (Also wouldn't hurt to upload your
vbios from /sys/kernel/debug/dri/0/vbios.rom to this bug, and also attach it in
the email while you're at it.)

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