Re: High CPU load when machine is idle (related to PROBLEM: Unusually high load average when idle in 2.6.35, 2.6.35.1 and later)

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On Fri, Oct 29, 2010 at 09:42:23PM +0200, Peter Zijlstra wrote:

Hi Peter,

I finally got around to building a test kernel for a user who had been
reporting this against F-14 (2.6.35) but they report there's not much
improvement.

Sorry. :/

<quote>
Date: Tue, 09 Nov 2010 12:46:53 -0600
From: Michael Cronenworth <mike@cchtml.com>
To: test@lists.fedoraproject.org
Subject: Re: Virtually impossible to keep load under 0.5 on idle desktop with
	F14+kms

On 11/09/2010 11:55 AM, Kyle McMartin wrote:

Running this kernel is not any better. After leaving my system idle for 
10 minutes I finally saw it dip below 0.10, but after leaving the 
computer, and coming back 10 minutes later, I see a load of 0.25. No 
programs running.

Before I hit "send" on this message, I ran uptime again and got this:
$ uptime
  12:45:24 up 32 min,  3 users,  load average: 0.82, 0.43, 0.34

Thunderbird was the only program running. 99.8% idle.
</quote>

regards, Kyle
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Messages in current thread:
Re: High CPU load when machine is idle (related to PROBLEM ..., Venkatesh Pallipadi, (Thu Oct 21, 10:18 am)
[No subject], Venkatesh Pallipadi, (Fri Oct 22, 2:03 pm)
Re: High CPU load when machine is idle (related to PROBLEM ..., Venkatesh Pallipadi, (Fri Oct 22, 4:03 pm)
Re: High CPU load when machine is idle (related to PROBLEM ..., Venkatesh Pallipadi, (Mon Oct 25, 9:29 am)
Re: High CPU load when machine is idle (related to PROBLEM ..., Kyle McMartin, (Tue Nov 9, 11:55 am)
Re: High CPU load when machine is idle (related to PROBLEM ..., Valdis.Kletnieks, (Sun Nov 28, 11:07 am)
[tip:sched/urgent] sched: Cure more NO_HZ load average woes, tip-bot for Peter Zi ..., (Wed Dec 8, 1:40 pm)