 | | | SATA controller problems - IRQ 's! | SATA controller problems - IRQ 's! 2005-04-01 - By Pete Nesbitt
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On Friday 01 April 2005 12:09 pm, 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
Hi,
What other drives are on the box?
It is interesting that the SATA drive is showing up as the first PATA drive. I
have a couple Seagate SATA's on an ASUS board and built similar on an ABIT
board. In both cases the controller was a VIA onboard and in both cases the
drives show up as scsi (such as /dev/sda1 ). I have no special args in
grub.conf
This may sound ridiculous, but are you sure the hda is the SATA drive?
Here are a few outputs from my box:
(system has only 2 disk drives, both SATA, and an IDE dvd burner that shows up
as /dev/hdc)
cat /proc/scsi/scsi
Attached devices:
Host: scsi0 Channel: 00 Id: 00 Lun: 00
Vendor: ATA Model: ST3200822AS Rev: 3.01
Type: Direct-Access ANSI SCSI revision: 05
Host: scsi1 Channel: 00 Id: 00 Lun: 00
Vendor: ATA Model: ST3200822AS Rev: 3.01
Type: Direct-Access
(..trimmed)
egrep -i "scsi|sda|sata" /etc/modprobe.conf
alias scsi_hostadapter sata_via
lsmod|egrep -i "scsi|sda|sata"
sata_via 8389 9
libata 49737 1 sata_via
scsi_mod 152217 3 usb_storage,libata,sd_mod
Hope that helps
On a (loosely) related note, I found out the hard way that the "onboard raid'
is like a raid controller version of a WinModem and as far as i can tell,
does not work on Linux. (This was on a FC3 86_64 box.)
--
Pete Nesbitt, rhce
www.linux1.ca
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