Re: aic7xx system hangs

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Unfortunately, my SCSI devices are 3 hard drives, a CD-ROM and a tape drive. I tried to boot without the CD-ROM and tape drive, but that didn't work. Of course I couldn't boot without the hard drives.

Jeremy


On Sep 9, 2004, at 5:33 PM, Timothy Murphy wrote:

Jeremy Conlin wrote:

I recently installed Fedora Core 2 on a Dell PowerEdge 2400 server that
previously ran Red Hat 9. The installation appears to proceed
normally. The problem is it never boots entirely. It hangs with the
following as the last message (after removing quiet mode):


Loading sd_mod.ko module
Loading aic7xxx.ko module

So I think this might be related to the SCSI adapter(s) I have in the
machine.  I have searched far and wide on this great world wide web of
ours and have found many issues that seem related.  I have even posted
messages on this mailing list when I thought it was a different
problem.  I am starting a new thread with a (hopefully) clearer
subject.

Is the SCSI device your main disk, or is it inessential? I'm no guru, but if I had this error I would try the following:

(1) Try booting with "linux noprobe".

(2) Try adding scsi_adapter=off to /etc/modprobe.conf

(3) Try moving the aic7xxx entries from /lib/modules/<kernel version>

(3) Try booting with "linux pci=off"

(4) If the SCSI device is inessential, remove the SCSI card

If you get the machine to boot, I would re-compile the kernel,
perhaps with the SCSI driver in the kernel proper rather than a module.




-- Timothy Murphy e-mail (<80k only): tim /at/ birdsnest.maths.tcd.ie tel: +353-86-2336090, +353-1-2842366 s-mail: School of Mathematics, Trinity College, Dublin 2, Ireland


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