Periodically GPU softreset with Xorg freeze

[Sergej Pupykin]

At Fri, 10 Dec 2010 10:13:24 -0500,
Jerome Glisse <j.glisse at gmail.com> wrote:
> 
> You use a compositor ? If so please try r600g mesa/master.
> 

Who is compositor? It is default KDE4, all effects are disabled in
KDE. Window manager is KWin. Composite extension is enabled.

Section "Extensions"
        Option "Composite" "Enable"
        Option "XVideo"    "Enable"
        Option "RENDER"    "Enable"
        Option "DAMAGE"    "Enable"
EndSection