mps0-troubles

[Alexander Motin]

Joachim Tingvold wrote:
> On Wed, Jan 12, 2011, at 14:19:01PM GMT+01:00, Alexander Motin wrote:
>> dmesg you've shown shown many command timeouts on multiple devices. As
>> soon as default ATA timeout is about 30 seconds - it may cause
>> significant delays before recovery sequence will manage it. That could
>> result in delays you observed.
> 
> I let the computer stay on for about 7-8 hours after I sent my previous
> email, and it was still frozen. I had to physically reset the computer
> to get it operational again.
> 
>> What's more suspicious is that timeouts happened same time on
>> AHCI-attached disk and several disks on mps controller. I can hardly
>> assume that two completely different controllers and drivers triggered
>> some unrelated problems simultaneously.
> 
> 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?

No. Timeout means that disk doesn't respond to request. If you just
stuck on AHCI disk -- mps disks should be just idle.

-- 
Alexander Motin