Two mouse/display problems on Evergreen

Dave Airlie airlied at
Sat Dec 11 22:11:28 PST 2010

On Sat, Dec 11, 2010 at 4:40 AM, Bruce Guenter <bruce at> wrote:
> Hi.
> I'm having a problem with my X system after replacing my video card.
> The mouse and display freeze for about 1/10th of a second every roughly
> 10 seconds when moving the mouse.  When the mouse is not moving, no
> freezes are observed.  I have been using glxgears as a simple program to
> show the freezes, and the glitches visible in its movements are
> consistent with the mouse motion pauses.  As well, when the pauses
> happen, the FPS reported by glxgears consistently drop by about 3-4%.
> The same stalls are observed when no GL applications are running, and I
> am not using a compositing window manager.

Sounds like output polling but I can't see why you'd be getting it on that card.

echo 0  > /sys/module/drm_kms_helper/parameters/poll


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