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SubjectRe: Common boot/shutdown issues with the latest 2.6.37 (Mostly Asus laptops)
On 31.01.2011 11:50, Rafael J. Wysocki wrote:
> On Monday, January 31, 2011, Ozan Çağlayan 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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