10.1 RC4 r273903 - zpool scrub on ssd mirror - ahci command timeout

[Peter HEINER]

> Are all the disks your seeing errors with running at 6Gbps?
>
> If so have you tried downgrading the connection to SATA 2 speeds to
> see if that makes a difference?

None of the disks are running at 6Gbps.
The controller only does up to SATA2 and it seems to negotiate it
properly, so I did not consider downgrading it.

p