Messages in this thread | | | Date | Wed, 06 Jun 2007 08:29:13 -0600 | From | Robert Hancock <> | Subject | Re: Bad behaviour after hdparm -M 128 |
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Tino Keitel wrote: > Hi, > > I tried to enable acoustic management on my SATA drive, because > hdparm -I reported a recommended value of 128, and a current value > of 0 (off). > > I did this: > > $ sudo hdparm -M 128 /dev/sda > /dev/sda: > setting acoustic management to 128 > HDIO_DRIVE_CMD:ACOUSTIC failed: Input/output error > acoustic = not supported > > It apperently failed, no big deal. > > However, I had these messages in the kernel log, and they don't look > really harmless to me: > > ata3.01: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0 > ata3.01: cmd ef/42:80:00:00:00/00:00:00:00:00/50 tag 0 cdb 0x0 data 0 > res 51/04:80:00:00:00/00:00:00:00:00/50 Emask 0x1 (device error) > ata3.01: configured for UDMA/133 > ata3: EH complete > SCSI device sda: 156301488 512-byte hdwr sectors (80026 MB) > sda: Write Protect is off > sda: Mode Sense: 00 3a 00 00 > SCSI device sda: write cache: enabled, read cache: enabled, doesn't support DPO or FUA > > Is this expected behaviour? > > I used kernel 2.6.21 with the libata PIIX SATA driver and a > Seagate ST98823AS drive.
Yes, that's expected if the drive rejects the command.
-- Robert Hancock Saskatoon, SK, Canada To email, remove "nospam" from hancockr@nospamshaw.ca Home Page: http://www.roberthancock.com/
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