(sorry for the self-reply. I didn't realize that if I subscribed in digest
mode I wouldn't have any other mechanism to reply to people directly, and I
don't want to TOTALLY break the thread....)
In answer to Ted Kaczmarek's question:
Did you update mkinitrd before updating kernel?
That really should be added to the yum upgrade faq for FC3>FC4.
The answer is that it's not really applicable--I downloaded the 4 CD's for
FC4 and installed from CD. I don't know offhand which packages were/were
not updated. But it's not a yum issue per se.
I can potentially try to install this package directly from safe mode if you
think it will help, but I'd be a little alarmed if the CD install package
somehow missed this if it's a critical dependency....
Mike
From: "Michael DeCleene" <decleene@xxxxxxxxxxx>
Reply-To: For users of Fedora Core releases <fedora-list@xxxxxxxxxx>
To: fedora-list@xxxxxxxxxx
Subject: Kernel Panic after FC4 upgrade
Date: Tue, 28 Jun 2005 17:34:10 -0400
Hi, folks,
I recently updated from FC3 to FC4 via CD install. Install went fairly
smoothly, but I now can't get the system to boot--I get a kernel panic.
Relevant section of boot log follows (apologies for any typos--I can't
cut-and-paste this without a working system...)
CODE
Mounting root filesystem
mount: error 6 mounting ext3
Switching to new root
ERROR opening /dev/console!!!!: 2
error dup2'ing fd of 0 to 0
error dup2'ing fd of 0 to 1
error dup2'ing fd of 0 to 2
unmounting old /proc
unmounting old /sys
switchroot: mount failed: 22
Kernel panic - not syncing: Attempted to kill init!
Having done some poking here and on google, I'm expecting this is a grub
issue with finding my proper root filesystem, since it seems to have issues
when it tries to mount the root device. Which should be trivial to fix, so
I'm sure I'm missing something obvious here. But I've been at this for
several hours, and can't for the life of me find the issue...
Some configuration info: I'm attempting to boot from a SCSI raid array.
That array has /boot on /dev/sda1, the correct root filesystem on
/dev/sda2, and /swap on /dev/sda3. I'm using the smp kernel because I do
have an SMP system. I know the array is OK because I can properly mount it
when booting into rescue mode.
I've looked at grub.conf and didn't see any obvious issues, though I've
tried a few suggestions I've found online. I've tried reinstalling grub on
/dev/sda. I've run grub and verified that it has setup hd0. I've checked
the device map, which looks OK. I do note fedora is using hd0 in grub, not
sd0, to represent my array, but since the device map correctly points to
the right place, I don't think that would be an issue (especially given
that the system can in fact find the kernel). Basically, I'm stuck here,
and looking for some thoughts/suggestions:
Some possibly useful files follow:
/etc/grub.conf looks like:
CODE
# grub.conf generated by anaconda
#
#Note that you do not have to rerun grub after making changes to this file
#NOTICE: You have a /boot partition. This means that
# all kernel and initrd paths are relative to /boot/, eg.
# root (hd0,0)
# kernel /vmlinuz-version ro root=/dev/sda2
# initrd-version.img
#boot=/dev/sda
default=1
timeout=10
splashimage=(hd0,0)/grub/splash.xpm.gz
title Fedora Core (2.6.11-1.1369_FC4smp)
root (hd0,0)
kernel /vmlinuz-2.6.11-1.1369_FC4smp ro root=/dev/sda2
initrd /initrd-2.6.11-1.1369_FC4smp.img
title Fedora Core (2.6.11-1.1369_FC4)
root (hd0,0)
kernel /vmlinuz-2.6.11-1.1369_FC4 ro root=/dev/sda2
initrd /initrd-2.6.11-1.1369_FC4.img
/boot/grub/device-map looks like:
CODE
#this device map was generated by anaconda
(fd0) /dev/fd0
(hd0) /dev/sda
/etc/fstab looks like:
CODE
/dev/sda2 / ext3 defaults 1 1
/dev/sda1 /boot ext3 defaults 1 2
none /dev/pts devpts gid=5,mode=620 0 0
none /proc proc defaults 0 0
none /dev/shm tmpfs defauls 0 0
/dev/sda3 /swap swap defauls 0 0
<more in this file about my IDE hard drives and floppy>
Any suggestions greatly appreciated!!!!
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