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    SubjectRe: sata_nv - ADMA issues with 2.6.20
    Robert Hancock wrote:

    > So it was tag 0 that timed out , and according to the CPBs the
    > controller indeed believes the command is still outstanding, i.e. we
    > didn't lose an interrupt. I'm suspicious of the fact that only one of
    > two identical drives produced this error.. some kind of hardware-related
    > problem perhaps? 30 seconds is an awfully long time for a drive to take

    That was my first thought. Maybe the drive has some fault that only shows up
    with NCQ in use. I'll keep an eye on it.

    > You can also try disabling NCQ without disabling ADMA and see what that
    > does:
    >
    > echo 1 > /sys/block/sdX/device/queue_depth

    I'll give this a go when I next reboot.

    Thanks
    David


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