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SubjectRe: Increased CPU usage after upgrading to 2.6.21
Hi!

> I recently upgraded from 2.6.19, and found the following issues:
>
> 1. 2.6.20 crashed and ran terribly on my system.
>
> 2. 2.6.21 runs on my system, but has a few issues: First, I noticed
> that in 2.6.19 when my system was idle, Gkrellm would show my CPU
> usage as 0%. In 2.6.21, when my system is idle, Gkrellm shows my
> cpu usage as anything between 1 and 3%.
>
> Second, I noticed that X sometimes crashes on resume (i.e. when I
> wake my computer up after suspending to ram). Again, this happens
> only *sometimes*, and is not consistently reproducible. I had no
> issues with 2.6.19 (which I used for a long time).
>
> 3. For 2.6.22.1: The CPU usage issue is the same as above. I only
> tested the kernel for a brief period of time (minutes), during
> which I experienced no crash.
>
> If you have any idea why my CPU usage is reported higher, please let me
> know. I've attached the config files of both my kernels.
>
> About the random crash: I'm not sure how to give you more info on it,
> since I can't consistently reproduce it. Would you have any suggestions
> on what I should do to trace the problem down?

Well, try suspend 50 times in a row to make it reproducible? Then try
unloading modules...

--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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