kworker processes with very high CPU usage.

[NoOp]

On 12/12/2011 09:54 PM, terry wrote:
> After some extensive tests i would not use 11.04 or 11.10 
> with the kworker processes. 
> 10.10 doesn't have this and is way faster. 
> I now will always test in VM first before any upgrading
> as this took me 3 days and many installs to find out.
...
You can join this bug report:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/887793
[Kworker constantly taking about 100% CPU ]

or this one:

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/717919
[ACPI + kworker high interrupts. ]

And it's not just Ubuntu:
https://bugzilla.redhat.com/show_bug.cgi?id=638912
[Kworker/0 Task over 85%]