Re: device timeouts on hard disks no matter what..

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Wed, Dec 16, 2009 at 09:28:05PM +0200, Teemu Rinta-aho wrote:
> > On Fri, Dec 11, 2009 at 11:51:32AM +0200, Teemu Rinta-aho wrote:
> >> I guess the next step is to move the disks to yet another PC with
> >> a bigger power supply.
> 
> The better test was to replace the PSU and keep the rest as is. So
> I bought a shiny new 850W PSU today. No difference. But now I have
> one extra PSU in my storage. I wonder what should I do next. Now
> I have changed all the hardware and the problem is still there.
> I am starting to get more suspicious on the software.

yes, that doens't look good. however I've never noticed this problem
on various ahci hardwares I have.

> 
> >> where is the timer, and who has set that timer?
> >
> > The timer is in the ata driver, and is set by the ata driver.
> 
> Who defines what is the timeout? Does it come from an ATA standard?

not specifically, but it's set to 10s which should be more than enough
for a read or write.

> 
> Teemu

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--