[Date Prev][Date Next] [Thread Prev][Thread Next] [Date Index] [Thread Index]

Re: kernel 2.2.18pre17-ben1 issues

> > No risk of losing datas, however, you may want to check that DMA is still
> > ON on the drive after it has been woken up. Linux tends to disable DMA
> > whenever it has to reset the drive.
> indeed it will, this is why i use the enclosed initscript to set the
> save settings bit on the drive at bootup. once i am satisfied the
> drive is DMA OK.
> the /sbin/hdparm -k 1 /dev/hda > /dev/null keeps drive settings after
> a ide reset. the other command i my attempt to keep the drive from
> going into powersave mode. (it does not work unfortunatly, i have IBM
> deskstar disks in both this G3 desktop and a intel box, they both like
> to go into powersave mode every so often for some reason)

BenH, might this be the cause of some drives failing to set the DMA mode 
from the kernel side on wakeup? (Only seen on the Wallstreet IIRC..)


Reply to: