[Bug 779753] Re: T400 laptop. Freezes or mouse stutters. Kworker process using too much CPU.

[Poul Møller Hansen]

I'm facing the same issue, also on a T400. perf.data are attached.
I'm not sure what's starting the problem. Once it started a few minutes after 
system start, and I had only been using Firefox.
In every case it's seems to be related to I2C. Does a laptop have an I2C bus 
anyway ?

@olaf can you still confirm that compiling the newest source of drm is a usable 
workaround ?
I'm not to fond of having a lot of software, not handled by the package 
management.

** Attachment added: perf.data
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/779753/+attachment/2155764/+files/perf.data

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Title:
  T400 laptop. Freezes or mouse stutters. Kworker process using too much
  CPU.

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[Bug 779753] Re: T400 laptop. Freezes or mouse stutters. Kworker process using too much CPU.

[Poul Møller Hansen]

I thought so. I would imagine that it's kernel related.
So far this workaround has worked here
http://souriguha.wordpress.com/2011/03/08/how-to-solve-problem-with-thinkpadkslowd-kworker-on-linux-kernel-2-35-2-36/

At least my T400 is usable now :)

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Title:
  T400 laptop. Freezes or mouse stutters. Kworker process using too much
  CPU.

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