Kernel Panic after FC4 upgrade
Michael DeCleene
decleene at hotmail.com
Tue Jun 28 22:04:08 UTC 2005
(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 at hotmail.com>
>Reply-To: For users of Fedora Core releases <fedora-list at redhat.com>
>To: fedora-list at redhat.com
>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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