On 4/01/2011 12:08 AM, Adam Williamson wrote: > On Fri, 2010-12-31 at 08:49 -0600, Richard Shaw wrote: > >> I wish I could find the site where I got this information as my >> recollection of it is a bit hazy but part of your problem may be that >> the p4-clockmod and ondemand are more or less incompatible. I remember >> reading something on kerneltrap or something. Basically the latency of >> changing frequencies are so bad with p4-clockmod that ondemand gives >> up on it or something like that. I think I could force it to work on >> my Celeron based EEEPC by manually setting the governor something like >> this[1]: > > yeah, I recall p4-clockmod being called out as problematic in several > ways by some kernel dev or other, but like you I can't recall the > details :/ > > on my system which wants to use p4-clockmod, I just blacklist it and run > full steam ahead all the time. What I don't understand is that if the CPU supports ACPI, the mainboard supports ACPI, why can't we throttle the CPU using ACPI? From /proc/cpuinfo: flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc pebs bts pni dtes64 monitor ds_cpl cid cx16 xtpr lahf_lm -- Steven Haigh Email: netwiz@xxxxxxxxx Web: http://www.crc.id.au Phone: (03) 9001 6090 - 0412 935 897 Fax: (03) 8338 0299 -- test mailing list test@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe: https://admin.fedoraproject.org/mailman/listinfo/test