IRQ storm

[Vlad GURDIGA]

On 27/03/07, Sten Daniel Soersdal <netslists at gmail.com> wrote:
> Vlad GURDIGA wrote:
> > After running this:
> >
> > /sbin/atacontrol reinit ata2
> >
> > the storm was gone.
> > My HDD in on ata4:
> >
> > #atacontrol info ata4
> > Master:  ad8 <ST3160812AS/3.AAD> Serial ATA II
> > Slave:       no device present
> >
> >
> > Why?
> >
>
> Could be one of any number of reasons and my guess is that the drive
> wants to enter sleep mode, due to overheating or energy saving. And
> either controller, driver or both found it unreasonable.

You can see the brand and model of my drive. I have Windows XP on the
same computer which works fine. Would the drive want to enter sleep
mode only under FreeBSD?

> Perhaps you could inform us after you have researched it?

I do not have a plain idea about what I could or should research in
this case... Could you please be morespecific?