Read / write timeouts on SATA disks connected to ICH9

[Pieter de Boer]

Hi there,

> what kind of disk I/O is going on.  If actual I/O is very little, then
> something weird is going on with regards to the number of interrupts
> being seen on IRQ 23.  mav@ might have some ideas, otherwise I'd
> recommend rebooting the machine and seeing if the number drops.  If so,
> it may be that the OS has some sort of bug where a disk timing out or
> falling off the bus causes interrupt problems.  (It's too bad you don't
> have AHCI on this system.  It handles stuff like this much more
> elegantly...)
Well, due to a UFS snapshot panic the box was rebooted, and now I only 
see around 1500 interrupts per second, while syncing the mirror.

-- 
Pieter