On 03/19/10 08:07, Andrew Henry wrote: > I got suggestions for enabling SATA link power management, writeback > time and kill hal add-on storage when I run powertop, so I enabled > all these suggestions at startup in /etc/rclocal.d, and upon reboot I > can see that they have taken effect, but when I then run Powertop, it > shows that wakeups per second are just as high as if I haden't set > these options, and it pops up the same suggestions again. If I > accept the suggestions when they popup by pressing W for writeback, S > for sata link power mgmt and K for disable cdrom polling, then the > wakeups per second drops dramatically. > > Why does this happen? Can Powertop not see that I already have these > options set?
It sees that they are not set, that's why it is (again) suggesting them. From what you say, the settings are lost or not active (high amount of wakeups) somewhere after boot? is perhaps sysctl unsetting some of these? Auke _______________________________________________ Power mailing list [email protected] http://www.bughost.org/mailman/listinfo/power
