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Old 01-17-2007, 01:07 AM   #1
Registered: Jan 2007
Posts: 133

Rep: Reputation: 15
RHEL 3, ICH7 SATA, insmod problem

Hi. I am trying to get RHEL 3 to recognise a SATA hard disk drive. I've figured out that i need to load modules ata_piix and libata. However, when running insmod ata_piix, i receive the error message

"/lib/modules/2.4.21-4.ELsmp/kernel/drivers/scsi/ata_piix.o: unresolved symbol at a_scsi_release_Rsmp_c050395e"

and various other messages, all dealing with unresolved symbols. However, the only dependency for ata_piix is scsi_mod, which has been loaded.

Jumping the gun a little, once I get the module loaded, how do I then get Linux to detect the disk?
Old 01-17-2007, 10:32 AM   #2
Registered: Jul 2006
Distribution: RHEL, CentOS, PuppyLinux, SuSe, Ubuntu, Debian
Posts: 59

Rep: Reputation: 15
Hope you've run up2date and are running at least RHEL3 Update 4. Versions prior to that had trouble with SATA disks.
Check he output of "cat /etc/redhat-release". Hopefully it should tell you you're running Update 4 or higher.

If not, you will want to ensure that up2date is configured to install the new kernel as well (since that's what contains the drivers). To ensure this, use "up2date --configure".

Once you've updated your box with the latest kernel, and have rebooted your box, you're ready to detect your SATA disks. Check the output of "dmesg" or do "cat /proc/scsi/scsi" to see the SCSI disks recognized by your machine (SATA disks are treated as SCSI disks).

Privided you don't already have any SCSI disks / drives or USB disks or pen/thumb drives on your computer, your SATA disk should be seen as /dev/sda .


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