Re: PROBLEM: high load average when idle

From: Thorsten Kranzkowski
Date: Wed Oct 03 2007 - 08:02:55 EST


On Tue, Oct 02, 2007 at 11:37:31PM +0200, Anders Bostr?m wrote:
> Hi!
>
> My computer suffers from high load average when the system is idle,
> introduced by commit 44d306e1508fef6fa7a6eb15a1aba86ef68389a6 .

Another datapoint: I observe a similar effect on both of my alphas:

top - 09:30:43 up 13 min, 18 users, load average: 0.65, 0.64, 0.44
Tasks: 76 total, 1 running, 75 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.1% us, 0.5% sy, 0.0% ni, 99.1% id, 0.2% wa, 0.1% hi, 0.0% si
Mem: 2067792k total, 55792k used, 2012000k free, 4160k buffers
Swap: 1048560k total, 0k used, 1048560k free, 18752k cached

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
637 root 15 0 2904 1552 1192 R 1 0.1 0:01.35 top
556 root 15 0 2008 528 432 S 0 0.0 0:00.01 gpm
1 root 15 0 1960 800 680 S 0 0.0 0:01.43 init
2 root 10 -5 0 0 0 S 0 0.0 0:00.00 kthreadd
3 root RT -5 0 0 0 S 0 0.0 0:00.00 migration/0
4 root 34 19 0 0 0 S 0 0.0 0:00.00 ksoftirqd/0
5 root RT -5 0 0 0 S 0 0.0 0:00.00 watchdog/0
6 root RT -5 0 0 0 S 0 0.0 0:00.00 migration/1
7 root 34 19 0 0 0 S 0 0.0 0:00.00 ksoftirqd/1

This is the dual-ev6 one, currently 2.6.22-rc5.

I didn't bother to do any investigation, yet ;-)


> This fixes the problem:

I'll check this evening.

Bye,
Thorsten


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