> Hi Rafał, Hi >> > >> > I found that setting the cpufreq governor to ondemand making the box >> > lock up solid in 2.6.20.2 and 2.6.21 after a few seconds. >> > [...] >> >> I can't explain this. Some motherboards are running fine, some don't. >> I'm running longhaul too. It is working fine. No lockups at all. >> So far I heard only about one Epia which had problems with longhaul. >> It was almost like my Epia but older. >> What is possible: >> - some chipsets revisions are broken and aren't blocking DMA, >> - special setup is required, some versions of BIOS are doing >> necessary things, some don't, > > Which BIOS are you using? Latest beta BIOS which was supposed to fix Linux "DMA timeout" bug. I don't remember exact version, It wasn't fixing this bug. > [...] >> Btw. I've been writting many times: if You want to use ondemand with >> Longhaul You don't need cpufreq at all. It is just one another cool >> gadget for You. Longhaul wasn't designed to change frequency often. >> It has big latency and requires so much preparation that it isn't worth >> if You don't need to save power or cool down CPU. > > What should I use instead of ondemand? I do want to save power and > have my machine run cooler (I have a htpc that is on 24/7, it's > running kind of hot and allready has blown a PSU) I'm using conservative. It is allowing me to turn off fan with bigger cooler borowed from AMD CPU. > Does the userspace governor have the same problems? (I'd guess so) For testing I was using userspace governor. 1s interval, Min to max. 1s interval. Max to min. I don't like userspace programs. Most of them is doing exactly the same thing which ondemand does. > I'd like to take this opportunity to thank you for the work you have > already done on cpufreq! > So: thanks Rafał! I appreciate it! Thanks, but it isn't working. It isn't good job. It isn't nothing more then luck. > [...] > I am using the onboard mpeg2 hardware decoder with the Openchrome drivers Me too. Works great. As usual not thanks to VIA, but good developers diging in binary drivers. > I hope this helps someone > Wander. Regards Rafał
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