On Thu, 16 Sep 2010 23:06:46 +0300
Vasily Khoruzhick <anars...@gmail.com> wrote:
> В сообщении от 16 of September 2010 21:50:50 автор Thomas Gleixner написал:
> > Ok. The problematic part of HPET was not the clocksource, it was the
> > clock event device which failed to deliver interrupts occasionally. It
> > was worth a try at least.
>
> Hm, it seems that jerky glxgears is not related to jerky keyboard events.
> Keyboard is jerky only in konsole (kde terminal emulator), it seems something
> happened it seems that font rendering performance is much worse in latest
> xf86-video-intel than in xf86-video-intel-2.12.0.
Len just had me try a few things too:
- maxcpus=1 lets things work
- offlining cpu1 at runtime (echo 0
> /sys/devices/system/cpu/cpu1/online) lets things work
- binding the i915 interrupt to cpu 0 does *not* help
Vasily and Paolo, do you both have Atom CPUs with hyperthreading
enabled?
Thanks,
--
Jesse Barnes, Intel Open Source Technology Center
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