Changing to linux based on cause and fix identified in comment #11
** Package changed: xserver-xorg-video-intel (Ubuntu) => linux (Ubuntu)
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I also had the mouse stuttering problem and saw kworker using ~20% cpu
on each core.
I found this bug report and seems to have fixed it:
https://bugs.launchpad.net/ubuntu/+source/upower/+bug/758593
Just had to update upower from 0.9.5-5 to 0.9.9-4 (the bug report says
it's fixed since 0.9.9-1)
I
It looks like this is the Intel graphics kernel driver searching for
monitors.
sudo perf record -ag sleep 10
sudo perf report
# Events: 217 cycles
#
# Overhead CommandShared Object
Symbol
# .. ..
** Summary changed:
- Stuttering mouse with Natty Narwhal
+ [i945gm] Stuttering mouse with Natty Narwhal
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https://bugs.launchpad.net/bugs/746084
Title:
[i945g
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