Poweredge missing /initrd, kernel panic on boot

Hubbard, David dhubbard at dino.hostasaurus.com
Tue Jun 11 21:37:00 CDT 2002

Hmm, I've never seen an initrd directory, typically
there is just a /boot/initrd-2.4.9-31.img file of
some sort if running RedHat 7.2.  You could boot off
a RedHat 7.2 CD, or 7.3 CD, mount your drive, and
then just go to the /boot directory and do a
'mkinitrd -f initrd-2.4.x-x.img 2.4.x-x'
where x-x is the RedHat kernel version dash sub-revision
that you are running, 2.4.9-31 for example.  Make sure
the initrd image is the same name as what you have in
/etc/grub.conf, then reboot.


> -----Original Message-----
> From: Rose Campion [mailto:rosecampion at speakeasy.net] 
> Sent: Tuesday, June 11, 2002 9:37 PM
> To: linux-poweredge at dell.com
> Subject: Poweredge missing /initrd, kernel panic on boot
> Help out a newbie Dell Linux sysadmin here.
> I'm faced with a server (thankfully, one not yet in 
> production) that gets a kernel panic most of the way
> through the boot, likely because the /initrd directory
> got deleted (the miscreant programmer confessed; he 
> thought that since it was empty it wasn't needed :).
> Actual message is the infamous "kernel panic: no init
> found". I don't think anything else significant 
> changed on the machine since it last booted properly,
> so I'm guessing it not finding /initrd is enough to
> stop it in its tracks.
> FWIW: System is a new PowerEdge 2500 with PERC3 RAID
> (single channel, IIRC). It's currently loaded with a
> vanilla RedHat 7.2 release and vanilla RH 2.4.7 kernel;
> the filesystems are all ext3.
> Ordinarily, I'd just go in with Tomsrtbt and fix 
> things up, but I can't seem to figure out how to do
> that here, since Toms doesn't include an aacraid
> driver, so I can't mount the root raid partition to 
> add /initrd back.
> Clearly swimming in deeper water than I'm used to here - any 
> help or advice 
> appreciated.
> thanks,
> Rose 
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