[Nouveau] [Bug 46557] nouveau: NV4E acceleration corruption when DMA above 31-bit (2 Gig barrier)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=46557

--- Comment #21 from Salah Coronya <salah.coronya at gmail.com> ---
Created attachment 68024
  --> https://bugs.freedesktop.org/attachment.cgi?id=68024&action=edit
dmesg of new kernel

It runs FAR better - the distortion and lockups are gone, and the picture us
substantially better (on par with the blob).

Its not quite 100% - X crashes reliably if I switch to another VT, back to X,
and then use something with video acceleration (after it crashes and restart
its distored like before, but not locked up. If I apply the workaround in bug
31961, X still crashes but restarts withotu distortion)

Regardless of console switching, CACHE_ERROR start flooding the syslog but not
immedately, but there no noticable artfacts or slowdown.

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