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Tasklist

FS#5465 - kernel panic after update to 2.6.18 kernel

Attached to Project: Arch Linux
Opened by Frank Ickstadt (frigg) - Friday, 29 September 2006, 06:20 GMT
Task Type Bug Report
Category System
Status Closed
Assigned To No-one
Architecture not specified
Severity Critical
Priority Normal
Reported Version 0.7.2 Gimmick
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

Hi there after an update via pacman -Syu the system doesn't come up again!
GRUB will be loaded and then the kernel complains about the root file system:

No filesystem could mount root, tried:
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block (0,0)

any solutions for this?

regards,

Frank
This task depends upon

Closed by  Tobias Powalowski (tpowa)
Friday, 29 September 2006, 19:14 GMT
Reason for closing:  Not a bug
Comment by arjan timmerman (blaasvis) - Friday, 29 September 2006, 06:51 GMT
http://wiki.archlinux.org/index.php/Mkinitcpio
did you know mkinitrd is a goner ?
Comment by Tobias Powalowski (tpowa) - Friday, 29 September 2006, 06:52 GMT
change your boot loader to load kernel26.img as initrd
Comment by Frank Ickstadt (frigg) - Friday, 29 September 2006, 07:31 GMT
Hi arjan,
guten Morgen Tobias,

well I've performed just the standard way of upgrading and answered Y if there was the question about upgrading to mkinitcpio. Well I didn't type Y I typed nothing because I wanted to accept the default which is "Y"

You mean to change the bootloader this way ?
editing grub.conf to have the line
initrd /boot/kernel26.img

If this is the cause for my problem, please tell me why won't this be done by the upgrade process?

Well I have access to this system today afternoon. I will post a message if I have done the suggested change.

regards,

Frank
Comment by Tobias Powalowski (tpowa) - Friday, 29 September 2006, 07:54 GMT
it's the arch way we don'T touch existing configs, therfore a big warning during updates are printed since 3 months, and posted as news on homepage
Comment by Frank Ickstadt (frigg) - Friday, 29 September 2006, 08:38 GMT
Hi Tobias,

well i prefer this way too and I have read http://www.archlinux.org/news/259/ but where is a hint/warning to change the grub configuration?

regards,

Frank
Comment by Tobias Powalowski (tpowa) - Friday, 29 September 2006, 09:00 GMT
http://www.archlinux.org/news/252/
Comment by Jan de Groot (JGC) - Friday, 29 September 2006, 09:54 GMT
The hint has been announced in the post_install for kernel26 2.6.17, the hint is actually done in the post_install for 2.6.18 and it has been announced on forums, mailinglists, irc and the newspage for a long while. Enough hints I would say.
Comment by Frank Ickstadt (frigg) - Friday, 29 September 2006, 19:13 GMT
Hi there,

system is up and running again (thanks to knoppix, I had to remount with option rw the partition) using the tip from Tobias. Maybe this hint will find a way to the archlinux documentation for the upgrade to kernel 2.6.18

regards,

Frank

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