On Tue, Aug 14, 2007 at 10:46:44AM -0400, Chuck Ebbert wrote: > On 08/14/2007 04:39 AM, dragoran wrote: > > On my laptop (core2duo based) S06cpuspeed causes 100 wakeups/sec . > > Seems like its already noted here: > > http://linuxpowertop.org/known.php#ondemand > > "Intel fixed this and the patches to the kernel to effectively remove > > this timer are included in Linus' tree as of 2.6.22-rc1." I am running > > 2.6.22.1-41.fc7 which should already have this changes but it seems the > > problem isn't solved yet. > > doing the suggested > > " > > cd /sys/devices/system/cpu/cpu0/cpufreq > > > > cat ondemand/sampling_rate_max > ondemand/sampling_rate > > " > > does fix the wakeups (S06cpuspeed) is no longer on the list .. but it > > takes some seconds for the cpu to change pstate running glxgears 2-3 > > seconds later cpu goes to 2.17ghz closing it I have to wait other 2-3 > > second to be back at 1ghz > > without the "fix" it does this almost immediately. > > any idea how this can be fixed? > > > > What governor is it using? If it's "ondemand" I don't see why cpuspeed > should even be running at all. S06cpuspeed is what did the 'modprobe ondemand'. Why current->name wasn't "modprobe" I've no idea, but I've seen this myself, and cpuspeed isn't actually running. Dave -- http://www.codemonkey.org.uk -- fedora-devel-list mailing list fedora-devel-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-devel-list
