Jan Ceuleers wrote: > All, > > I've just begun using powertop to look at the behaviour of one of my > machines. The most surprising (to me, at least) result is the fact that > most of the time, the ide0 interrupt is the most prominent reason for > wakeups at ~90/s. > > That's surprising because the machine is diskless. The ide0 interface > does serve a DVD drive, but it's idle (no disk in the drive). > > This is Ubuntu 7.10 with kernel "Linux fe2 2.6.22-14-generic #1 SMP Tue > Feb 12 07:42:25 UTC 2008 i686 GNU/Linux" on a Via Epia EN15000G mobo > (Via C7 CPU). Powertop is version 1.9 as downloaded from the Ubuntu > repository. > > I'd be grateful for any hints as to how to diagnose this. I did look at > the known issues page at lesswatts.org. >
this is very likely the hal storage daemon polling your cdrom to see if you put a CD in it. _______________________________________________ Power mailing list [email protected] http://www.bughost.org/mailman/listinfo/power
