Re: FC6->FC7 Kernel Panic

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On Wed, 09 Apr 2008 15:49:19 -0400, Tod wrote:

> I'm attempting to upgrade one of my servers from FC6-FC7 on the way to 
> FC8.  I followed all the recommendations including the disk LABELs, etc 
> and everything seemed to work.  But once I rebooted I got a kernel panic 
> because my /boot directory can't be found.
> 
> I have two IDE drives both LVM managed except for a small boot partition 
> on the first drive.  I can boot back to FC6 just fine, but get the 
> kernel panic when I try the FC7 kernel.  My grub.conf looks like this:
> 
> 
> # 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/VolGroup00/LogVol00
> #          initrd /initrd-version.img
> #boot=/dev/hda
> default=0
> timeout=5
> splashimage=(hd0,0)/grub/splash.xpm.gz
> hiddenmenu
> title Fedora (2.6.23.15-80.fc7)
>          root (hd0,0)
>          kernel /vmlinuz-2.6.23.15-80.fc7 ro root=LABEL=/boot
>          initrd /initrd-2.6.23.15-80.fc7.img

root=LABEL=/boot  clearly is wrong. The kernel root= parameter specifies
the system's root partition, but LABEL=/boot points to your
/boot partition instead, /dev/sda1 = (hd0,0).

> title Fedora Core (2.6.22.14-72.fc6)
>          root (hd0,0)
>          kernel /vmlinuz-2.6.22.14-72.fc6 ro 
> root=/dev/VolGroup00/LogVol00 hdc=ide_scsi
>          initrd /initrd-2.6.22.14-72.fc6.img
> 
> 
> After the first time I booted I changed the FC7 kernel line, it 
> originally looked the same as the FC6 line.  That didn't help. 

That's strange.

> My fstab 
> looks like this:
> 
> /dev/VolGroup00/LogVol00 /                      ext3    defaults        1 1
> LABEL=/boot             /boot                   ext3    defaults        1 2

If it were my system, I would examine the f7 initrd image and optionally
rebuild it.


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