On 12/08/12 at 09:48pm, G. Schlisio wrote: > Am 07.12.2012 01:49, schrieb Calvin Morrison: > >On 6 December 2012 17:05, G. Schlisio <g.schlisio@xxxxxxxx> wrote: > > > >>Am 06.12.2012 21:07, schrieb Jonathan Steel: > >> > >> On Thu, Dec 06, 2012 at 10:59:27AM +0100, G. Schlisio wrote: > >>>>after updating my laptop today [0] (no testing enabled) i notice > >>>>>that my harddisk keeps spinning down and up every 10 seconds or > >>>>>so. > >>>>>might this be related to the update or where can i stop this? > >>>>> > >>>>somehow it resolved itself today. now hdd is running continuously again. > >>>> > >>>If it happens again, you can check this with: > >>> > >>>hdparm -B /dev/sdx > >>> > >>>If it's spinning down too often, try: > >>> > >>>hdparm -B 254 /dev/sdx > >>> > >>> thank you for your advice. > >>hdparm -B /device returns 254 to me now, thats quire expected, because now > >>everything works fine. > >> > >>i wonder, how/whether it could have been altered yesterday. > >>do programs like powertop touch those values? > >> > >If you are messing around with powertop, yes I think that could have been > >it. Usually powertop can adjust hd settings > > > i uninstalled powertop after my last post, but yesterday it happend > again. when i checked the APM level it was set to 1. > i only experience this after suspend to ram. > how can i get to know, why this is happening, and maybe stop it? When I still had rotational hard drives, I noticed that my APM level would reset after suspend. This, I later found, is expected behavior. So you either need to put something in /usr/lib/systemd/system-sleep or make an appropriate service file to reinstate the APM. Why it defaults to 1 I have not idea though. Regards, -- Curtis Shimamoto sugar.and.scruffy@xxxxxxxxx
