[linux-lvm] Ubuntu distro with lvm2, raid 1, not booting anymore.

[Maciej Słojewski]

Welcome!

I have the serious problem with booting of my machine. It is run on 
Ubuntu distro (5.10), with lvm2 raid 1 on two identical sata hard disks. 
Lilo bootloader. The problem is that after small change in lilo.conf and 
running /sbin/lilo my system is no longer bootable. I see 'kernel panic' 
message. When I try to run lilo again (from Ubuntu Live! cd) I see some 
comments somehow related to dev-mapper:

Warning: /proc/partitions does not match /dev directory structure
Name change: /dev/cloop 0 -> /tmp/dev.0
(...)
Fatal: is_primary: Not a valid device

I don't know how to handle these problesm. Looking over net didn't help 
me. So I decided to write on this mailing list. If you can help me anyway,
even just redirecting me to appropriate group / chanel where people will 
help me to deal with these problem, I will appreciate it. Thanks
in advance!

My lilo version is 22.6.1
dev-mapper version is 1.11.0
kernel (default of Ubuntu 5.10): 2.6.12-10-386

I will quote the kernel messages:
RAMDISK: ran out of compressed data
invalid compressed format (err=1)
VFS: Cannot open root device "fd02" or unknow-block (253,2)
Please append a correct "root=" root option
Kernel panic - not syncing: VFS: Unable to mount root fs
unknown-block (253,2)

That is all. It looks like kernel is doing some hardware recognition and 
then stops.

Kind regards,
Maciej Slojewski (mslonik)