[rhn-users] Problems with PERC controllers on Dell 2550, etc with RHEL 4 - WORKAROUND

[Daniel Wittenberg]

Not sure it will help any, but I just had problems with an SC420, and it
wouldn't see the ATA RAID controller until I disabled the RAID part,
then it would see the drives *shakes head*  still more testing to be
done...

Dan

On Wed, 2005-05-25 at 12:15 -0700, Greg Fortune wrote:
> On my Dell boxes, I get a kernel panic when starting the RHEL 4 installer and 
> when booting the machine after a successful install.  The box hangs when 
> loading the aic7xxx driver.  The aic7xxx_old driver does not appear to work 
> for that controller, but the aacraid driver works great.
> 
> One thing to note is that we're not fully updated on firmware so it's possible 
> that newer firmware might fix the problem with the aic7xxx driver.  If anyone 
> else has experienced this, please drop me an e-mail.
> 
> 
> 1) When installing, tell it not to detect hardware and pick aacraid when the 
> installers prompts for a controller driver.
> 2) After the install, boot into rescue mode.  (Might actually be able to make 
> the following changes before rebooting. Haven't tried that yet)
> 3) Mount your filesystems somewhere (I used /mnt/tmp)
> 4) chroot /mnt/tmp
> 5) edit /etc/modprobe.conf.  Change aic7xxx to aacraid
> 6) edit /etc/hotplug/blacklist.  Add aic7xxx as a single line in that file.
> 7) run mkinitrd to build a new initrd
> 8) Reboot and throw a party :)
> 
> That's it, if I'm remembering the install correctly.  If anyone wants to 
> expand on this, ask questions, or offer any corrections, feel free :)
> 
> Greg
>