Messages in this thread | | | Date | Thu, 25 Dec 2003 17:04:26 GMT | From | John Bradford <> | Subject | Re: [PATCH] laptop-mode for 2.6, version 4 + smart_spindown |
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> I've got another problem getting this stuff to work. The problem lies > with my HD: it just doesn't respect the spindown time, I've got it set > to hdparm -S 4 and it just doesn't spin down, even though there's no > activity whatsoever! hdparm -B 254 gives me: > > /dev/hdb: > setting Advanced Power Management level to 0xFE (254) > HDIO_DRIVE_CMD failed: Input/output error > > It's funny, because hdparm -I gives me: > > Commands/features: > Enabled Supported: > [...] > * Power Management feature set > > So, it should support this. Apparently it doesn't. :( The drive is a WD > 800BB. Does anyone have any clue what could cause this?
No, but I've definitely seen other drives, (old Toshiba ~100 MB ones), which respect 'spin down immediately' commands, and don't support the spin down inactivity timer. I can't remember whether they report Power Management feature set supported or not, though.
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