Am 18.04.2011 um 09:39 schrieb Carsten Pfeiffer:
> I've just switched from the proprietary driver to nouveau and everything
> looked great at first (perfect resolution, desktop performance was good,
> etc.).
>
> However I soon noticed that the XServer repeatedly starts to hang or slow
> down
> for a second or so even when the system is otherwise idle. E.g. I just move
> the mouse in a circle and every 7-8s the cursor starts to stutter for a
> second. When this happens I see the X process writing something (monitored
> with iotop). Checking with strace, I notice that it appends this:
>
> [ 673.108] (II) NOUVEAU(0): EDID vendor "LEN", prod id 16562
> [ 673.108] (II) NOUVEAU(0): Printing DDC gathered Modelines:
> [ 673.108] (II) NOUVEAU(0): Modeline "1920x1080"x0.0 139.00 1920 1980
> 2028
> 2050 1080 1090 1100 1130 -hsync -vsync (67.8 kHz)
> [ 673.108] (II) NOUVEAU(0): Modeline "1920x1080"x0.0 115.83 1920 1980
> 2028
> 2050 1080 1090 1100 1130 -hsync -vsync (56.5 kHz)
>
> every 7-8 seconds to /var/log/Xorg.0.log
Does it help if you boot with the drm_kms_helper.poll=0 kernel parameter?
Regards,
Sven
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