> Pavlos Parissis wrote: > >> In the beginning of July I reinstall my Debian system (lenny). At once I > >> discover that loading cache in Aptitude (ncurses-UI mode) is very slow > >> and in general my system is very slow. > >> > >> In several days I discovered that DMA is turned off on my HDD (fsck > >> sayed it while Debian booting). Please, help me turn on DMA mode. > >> > >> > > [snip] > >> I had scanned my hdd with native WD scanner and hadn't detected any > >> error. Memory scan (memtest86+) also hadn't detected any error. > >> Moreover, Windows XP on another partition of this hdd working normally > >> and HDD Health program on it (for S.M.A.R.T viewing) don't predict > >> T.E.C. in the near future. Also after previous installation of Debian > >> lenny my hdd was working fast. > > > > Use hdparm command to see if the DMS is enabled, if not enable it with the > > -d flag. If that action makes your system "faster" configure > > /etc/hdparm.conf to > > enable the DMA on boot. > > > > Hope it helps, > > Pavlos > > > > > > > > > > I have tried using "hdparm" (under root) command but it don't help. > > command "hdparm -d /dev/hda" outputs: > /dev/hda: > using_dma = 0 (off) > > command "hdparm -d 1 /dev/hda" outputs: > /dev/hda: > setting using_dma to 1 (on) > HDIO_SET_DMA failed: Operation not permitted > using_dma = 0 (off) > >
As Ron has written you may face a problem with the driver which is being used by the kernel for managing this disk. Try the following to see which driver is being used. readlink /sys/block/hda/device/driver Cheers, Pavlos -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
