SATA controller problems - IRQ's!

[Alexander Lazarevich]

I installed Suse 9.1 Pro onto the same exact hardware, and it works, like 
a champ. No IRQ problems at all. I suspect some kind of driver problem 
with the base SATA Sil driver in RHEL. It's not like these SATA cards are 
unusual...

On Fri, 1 Apr 2005, Alexander Lazarevich wrote:

> I'm trying to install a SATA drive into my RHEL3-AS system but am having 
> lot's of problems. The mobo is the gigabyte GA-7VAX with most recent BIOS 
> (F13), which does not have onboard SATA. So I've got a PCI-SATA controller in 
> a PCI slot, it's the SIIG SC-SAT212 (two channel SATA, non-RAID), which has 
> the SIL 3112 chip in it. The drive is IBM 400GB. Both the SATA adapter and 
> card are known good, they work fine in windows.
>
> But in RHEL3-AS, the drive shows up as /dev/hda, and I can fdisk the drive 
> just fine, but as soon as I try to create a filesystem on /dev/hda1, the 
> system IRQ's start going beserk, and the load goes up to 7-8, and the system 
> is unusable. I can wait for the mkfs to finish, but then any time I access 
> the new filesystem, the system IRQ's go nuts again (75-90% usage).
>
> What is the deal with SATA controllers and IRQ's in linux?
>
> Anyone have an idea if it's a driver issue? If so, where can I download the 
> right driver? Or do I have to install with a special option?
>
> By the way, I also tried RHEL4-AS, and FC3, and those as well have the same 
> IRQ problem.
>
> Thanks!
>
> Alex
>
>
>
>
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