Hi, I'm also using a x60s and would be interested to try out this patch. What other patches did you apply to your 2.6.22 kernel, and which config did you use?
Regards, Stefan On Monday 11 June 2007 12:54, John Fremlin wrote: > Tejun Heo has made an excellent patch for saving power with the AHCI > chipset. It saves about 1 W on my Thinkpad X60s. > > This patch will stop the ports when they are idle. To turn it on, > > echo 1 > /sys/module/libata/parameters/powersave > > This is very different from the patch I posted a while ago turning on > a few bits in the CMD register (ALPE and ASP) and which Intel is > apparently now trying. That only saves around 250mW. Tejun's patch > saves about 1 W. It should also make the ALPE and ASP stuff irrelevant > because it performs the same operation in software where better > information about usage is (theoretically) available. > > I have updated the patch for 2.6.22-rc4. That is the extent of my > involvement - if it works, thank Tejun Heo. But problems are quite > likely to have been introduced by my clumsy update, so if it doesn't > work, blame me first. _______________________________________________ Power mailing list [email protected] http://www.bughost.org/mailman/listinfo/power
