On Wed, Nov 25, 2009 at 06:53:14AM +0000, Alex wrote: > --- Mar 24/11/09, Dominik Brodowski <linux@xxxxxxxxxxxxxxxxxxxx> ha scritto: > > > Da: Dominik Brodowski <linux@xxxxxxxxxxxxxxxxxxxx> > > Oggetto: Re: Avoid C2/C3 idle state > > A: "Alex" <ambroxa@xxxxxxxx> > > Cc: linux-acpi@xxxxxxxxxxxxxxx > > Data: Martedì 24 novembre 2009, 23:29 > > Hey, > > > > you can set the maximum C-state to use using the > > "processor.max_cstate=<value>" parameter. No need to > > recompile. > > Thanks for your kind reply. > > A stupid qustion: > <value> is a numeric value as 1 , 2 , 3 (i.e. processor.max_cstate=1 ) > or is a string like C1 , C2 , C3 (i.e. processor.max_cstate=C1 ) ? It's the former. I'd suggest you try max_cstate=2 first, as that might save power, reduce heat and still not interfere with the serial device. Best, Dominik -- 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
