lkml.org 
[lkml]   [2007]   [Jun]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: Bad behaviour after hdparm -M 128
    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/

    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2007-06-06 16:33    [W:0.023 / U:30.908 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site