Re: Fan runs full speed after S3 sometimes (regression)

From: Pavel Machek
Date: Fri Aug 20 2010 - 02:31:26 EST


On Tue 2010-08-10 20:39:44, Jiri Slaby wrote:
> On 08/10/2010 01:20 PM, Jiri Slaby wrote:
> > Hi,
> >
> > till I was running on 2.6.34-rc5-mm1 (mmotm) and earlier everything was
> > fine. Now, I'm running 2.6.35-rc6-mm1 (.35-rc5-mm1 was the same) and
> > sometimes when the computer (desktop) returns from S3, the CPU fan is
> > running at full speed making a big noise.
>
> Just to add, full power cycle is needed to get rid of that. Warm reboot
> is not enough.

Seems like bios problem... Update bios?

> > I don't know how to debug that. Bisection is out of question -- it
> > happens once in 10 or 20 cases. There are no fan entries in /sys.

Well, doing 20 suspends in a row from a script should not be too bad.

--
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