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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