Re: Common boot/shutdown issues with the latest 2.6.37 (Mostly Asus laptops)

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On Monday, January 31, 2011, Ozan ÃaÄlayan wrote:
> On 31.01.2011 11:50, Rafael J. Wysocki wrote:
> > On Monday, January 31, 2011, Ozan ÃaÄlayan wrote:
> >> On 31.01.2011 00:48, Rafael J. Wysocki wrote:
> >>
> >>> Does booting with "nolapic" help on all of the affected systems?
> >>>
> >>> Also, does disabling the CPUidle during boot help?
> >>>
> >>> Finally, is the problem reproducible with CONFIG_NO_HZ unset?
> >>
> >> Well on two machines, nolapic cures the boot hang and on one machine it
> >> cures the random shutdown hangs.
> >>
> >> I'll compile a kernel with CONFIG_NO_HZ to see what happens but how do I
> >> disable cpuidle during boot? I've checked the kernel-parameters.txt but
> >> there's no cpuidle related boot parameter there.
> >
> > Booting with intel_idle.max_cstate=0 should do the trick.
> 
> Okay but on Asus X61S idle fallbacks to cpuidle:
> 
> intel_idle: MWAIT substates: 0x3122220
> intel_idle: does not run on family 6 model 23
> 
> so forcing max_cstate to 0 will turn off the cpuidle on those machines too?

In those cases you can use processor.max_cstate=0 I think.

Rafael
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