[Nouveau] [Bug 50121] [Regression] Since kernel v3.5 several cards fail to resume, introduced by: 'convert to exec engine, and improve channel sync'

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=50121

--- Comment #65 from Petr Stastny <p.stastny at gmx.de> ---
(In reply to comment #44)
I am experiencing the same problem on my w520 with Nvidia GF106 [Quadro
2000M].. I get the same symptoms / messages. Did you find a fix for the
problem?

I noticed that suspend / resume works if using libdrm-nouveau1a only (without
libdrm-nouveau2), however I the mouse gets lost on resume. If using
libdrm-nouveau2, I get the problems.. Maybe the problem is somehow related to
dri2?

> Am I still in the scope of this bug with the following endlessly repeating
> errors on resume? (Which will go away if killing X.)
> 
> [ 1623.833303] nouveau E[  PGRAPH][0000:01:00.0] TRAP ch 1 [0x007fe00000
> Xorg[1009]]
> [ 1623.833311] nouveau E[  PGRAPH][0000:01:00.0] SHADER 0xa004021e

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