Re: Kernel Panic on HP A500 with Debian 3.1, RAID 1 /boot
On Mon, Jun 13, 2005 at 11:36:06AM -0400, PC Drew wrote:
> I tried installing Debian 3.1 on my HP A500 with software RAID1
> enabled for /, /boot, and /var but the install failed. So, I decided
> to do it the old fashioned way and install the system, create degraded
> RAID sets, then copy the system over, and reboot (a la the RAID 1 Root
> HOWTO http://www.parisc-linux.org/faq/raidboot-howto.html).
> Everything looked okay (all the devices were found properly) until the
> kernel paniced when it tried to "pivot_root".
PC,
thanks for the bug report!
It provides a good description of how to reproduce but is missing
some basic details. Please see:
http://www.parisc-linux.org/faq/kernelbug-howto.html
> Through my online research, the error "pivot_root: no such file or
> directory" is caused when the system is ready to get off of the initrd
> image and actually start using the disk but it can't find the
> directory /initrd. I'm assuming it can't find the directory because
> it's not properly finding/reading my RAID 1 set. I went back and
> looked at the initrd image and saw that it did have the md and raid1
> kernel modules in the proper directory. I didn't see anywhere that
> they'd been loaded, though, so I updated /etc/mkinitrd/modules to list
> md and raid1 and built a new initrd image. After rebooting, I saw
> that md had started and raid1 registered itself, but still got a
> kernel panic.
>
> Does anyone know why my RAID 1 sets wouldn't be seen by the initial
> startup of Linux? I can boot just fine on a normal disk with the
> stock 2.6 kernel that comes with Debian 3.1. When I try to boot from
> a RAID 1 device with the same kernel and everything, it panics.
Among other things, I need the full console output.
Please post it to parisc-linux mailing list. If there is a workaround,
you can post that as a follow up to debian-hppa.
thanks,
grant
>
> Also, I don't know if this means anything or not, but when I boot from
> the normal SCSI disk (without RAID), everything boots without user
> intervention. When I try to boot from the RAID drive, I get the
> prompt asking if I want to change any of the boot parameters or to
> press "b" to boot with the defaults.
>
> --
> PC Drew
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