Re: 2.6.22 - Suspend and Weird Load Averages

From: Rafael J. Wysocki
Date: Wed Jul 18 2007 - 10:44:41 EST


On Wednesday, 18 July 2007 16:50, Rafael J. Wysocki wrote:
> On Wednesday, 18 July 2007 15:51, Parag Warudkar wrote:
> >
> > For the first time since 1997 I have a machine (Mac Mini) running a
> > stock kernel which I am suspending/resuming for 2 days now without any
> > problems. Amongst the various hardware and kernel versions that I've
> > used so far this combination is the first to suspend/resume without issues!
> >
> > But one thing that annoys me a bit is that the load averages spike up
> > quite a bit after resume although it doesn't feel like the machine is
> > loaded -
> >
> > Before Resume -
> > parag@parag-desktop:~$ uptime
> > 09:35:14 up 5:18, 2 users, load average: 0.08, 0.87, 1.00
> > After Resume -
> > parag@parag-desktop:~$ uptime
> > 09:36:37 up 5:18, 2 users, load average: 12.53, 3.83, 1.98
> > parag@parag-desktop:~$
> >
> > Is this a known problem?
>
> I think so.
>
> This probably is due to the freezing of tasks. Namely, the frozen tasks
> are in TASK_UNINTERRUPTIBLE and add to the load average.
>
> > Worth fixing?
>
> Cartainly.

s/Cartainly/Certainly/
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