Re: Unexcepted shutdown in 2.6.28-rc5

["Rafael J. Wysocki" <rjw@sisk.pl>]

On Friday, 21 of November 2008, Zhang Rui wrote:
> On Fri, 2008-11-21 at 07:13 +0800, Maxime Poncet wrote:
> > Hi,
> > 
> > I have the same problem in 2.6.28-rc5 and 2.6.27.x :
> > my laptop shutdown automatically while working on it.
> > 
> > That problem doesn't appear in 2.6.28-rc3.
> > 
> there are not many ACPI changes between 2.6.28-rc3 and -rc5.
> it would be great if you can use git-bisect to find out
> which commit introduces this regression.
> 
> thanks,
> rui
> 
> > This terminal output show well the problem
> > $uname -a
> > 2.6.28-rc5
> > $while true;
> > do cat /proc/acpi/thermal_zone/THRM/temperature;
> > sleep 1;
> > done
> > 
> > ...
> > temperature:             51 C
> > temperature:             51 C
> > temperature:             144 C
> > 
> > And then it shutdowns because critical temperature was reached
> > 
> > Another thing that might be important : the output of dmesg
> > Every 5 seconds this message appears (not in 2.6.28-rc3):
> > 
> > ACPI: Transitioning device [FAN] to D3
> > ACPI: Unable to turn cooling device [ffff81007fb656d0] 'off'
> > 
> > Hope it will help you.

I wonder why _may_ be the reason of this.  Alex?

Rafael