mps0-troubles

[Alexander Motin]

Joachim Tingvold wrote:
> On Wed, Jan 12, 2011, at 23:29:53PM GMT+01:00, Joachim Tingvold wrote:
>> If I were copying from the AHCI-attached disk to the mps controller,
>> and the AHCI-attached disk timeouts, wouldn't this cause the disks on
>> the mps controller to timeout as well?
> 
> Now it happened again (while copying from 'zroot' to 'storage'). This
> time only mps0 produced errors;
> <http://home.komsys.org/~jocke/dmesg_mps0_freebsd-scsi_2.txt>. As the
> timeout seem to be over quickly, I find it strange that whatever process
> that accessed the disks (in my case, 'mv'), doesn't continue once the
> disks are available -- or is this some kind of safeguard against
> corrupted data?

I don't know such "safeguards". I would suppose there is some bug in
recovery process, making some request(s) never finish. As result,
application initiated that request keeps waiting for it.

-- 
Alexander Motin