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

[Ozan ÃaÄlayan]

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?


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