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 -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
