Re: New kernels do not work.

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to, 2008-05-22 kello 19:15 -0400, slamp slamp kirjoitti:
> Please help. PC stuck in grub> prompt.
> 
Does the system loudspeaker also ring like a firebell? I just recovered
from the same situation - and your grub.conf confirms it is very likely
the same problem I had.
The latest kernel update  2.6.25.3-18.fc9 - or one of the 199 files
updated at the same time - rewrote grub.conf so that (in my case) the
line which should have read:

kernel /vmlinuz-2.6.25.3-18.fc9.x86_64 ro root=/dev/VolGroup00/LogVol00
rhgb quiet

actually read:

kernel /vmlinuz-2.6.25.3-18.fc9.x86_64 ro
root=UUID=ab562fb5-0a9a-4458-9f30-61c8a23f774a rhgb quiet

Somehow my /dev/VolGroup... had been changed to UUID=...

The same error had been applied to the previous kernel (2.6.25-14.fc9)
so that neither would boot.

In short, boot the computer with F9 DVD, choose "Rescue previous
installation", press OK to go to CLI, type "chroot /mnt/sysimage", and
type "cd boot/grub".
"ls" will list, among others, grub.conf. Then type "vi grub.conf" and
edit the kernel lines to contain *your* /dev/filesystem instead of your
UUID. Then ":write" to save your new grub.conf and ":quit" to exit vi.
Once in CLI, type "exit" *twice* and remove the DVD while the system is
closing down. It will reboot automatically.

<snip>

> 
> Part of my grub.conf
> 
> title Fedora (2.6.25.3-18.fc9.i686.PAE)
> 	root (hd0,0)
> 	kernel /vmlinuz-2.6.25.3-18.fc9.i686.PAE ro root=/dev/VG/rootfs rhgb quiet
> 	initrd /initrd-2.6.25.3-18.fc9.i686.PAE.img
> title Fedora (2.6.25.3-18.fc9.i686)
> 	root (hd0,0)
> 	kernel /vmlinuz-2.6.25.3-18.fc9.i686 ro
> root=UUID=8741bb6e-dbe0-42c2-a91b-f5e685d70ada rhgb quiet
> 	initrd /initrd-2.6.25.3-18.fc9.i686.img
> title Fedora (2.6.25-14.fc9.i686)
> 	root (hd0,0)
> 	kernel /vmlinuz-2.6.25-14.fc9.i686 ro
> root=UUID=8741bb6e-dbe0-42c2-a91b-f5e685d70ada rhgb quiet
> 	initrd /initrd-2.6.25-14.fc9.i686.img
> 
> 
<snip>

HTH

Antti


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