IRQ storm

Sten Daniel Soersdal netslists at
Tue Mar 27 16:20:57 UTC 2007

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

Sten Daniel Soersdal

More information about the freebsd-questions mailing list