Bug#466039: xserver-xorg-core: DPMS wakes up on spontaneous 1 pixel mouse moves
On Sat, 6 Mar 2010, Brice Goglin wrote:
> On Sat, Feb 16, 2008 at 04:58:23PM +1100, Tim Connors wrote:
> > Alas, when I have an external USB mouse plugged in, it only ever goes
> > blank. If I xset force dpms off, then it will turn the backlights off
> > on the internal monitor, and an external LCD, but then come back on at
> > a random time later, from seconds to 10 minutes later. The display
> > remains blank though, but with the backlights turned on.
> >
> > Eventually, I tracked this down to random 1 or 2 pixel spontaneous
> > moves of the mouse
>
> Still having the problem today?
Yes. On an
01:00.0 VGA compatible controller: nVidia Corporation G84 [GeForce 8600M GT] (rev a1)
running unstable (which can't currently run X at all due to a segfault in
nvidia_glx.so, but this was the case the last time it ran)
and
00:02.0 VGA compatible controller: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (rev 0c)
00:02.1 Display controller: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (rev 0c)
running xserver-xorg 1:7.4+4 and xserver-xorg-video-intel 2:2.9.1-1 (not
brave enough to upgrade it, given how my last upgrade went with the nvidia
machine)
And every other machine I have access to these days regardless of
distribution. I suspect all optical mice suffer from 1 pixel jitters, and
being a hardware problem, it has to be worked around in software.
--
TimC
Er, RFC 882 put the dot in .com. -- unknown
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