[Nouveau] [Bug 23741] Driver pixmaps cause pushbuf validation failure on mode change (nv28, KMS)

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=23741


Pekka Paalanen <pq at iki.fi> changed:

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




--- Comment #3 from Pekka Paalanen <pq at iki.fi>  2009-09-17 12:35:32 PST ---
The original issue seems to be fixed.

First worked around by DRM commit 18895876371e616db9f04652460c1d72174909c3
"drm/nouveau: bail out if validation fails repeatedly"

The proper handling of the effect of the bug, DRM commit
e6c757cc15b32f995f3aed9a4997ed710b740758
"drm/nouveau: protect against validating the same buffer twice"

And the fix to the bug itself in DDX, commit
806eaf6b0b36cb05ca9d883ff4572629812a1d48
"kms: rework fbcon transition"

However, changing mode with xrandr while watching TV (cable-tv-card, gxine,
with Xv most likely) results in X spinning in kernel and giving up in few
minutes. But that's another bug for another day. It too results in monitor
switching off.


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