I have a system running Debian testing. It is a dual boot with a Windows
partition. It has worked for years, but now somehow grub got confused. When
I try to boot, I get an error 22 - partition not found. I booted uo knoppix,
and the drive is there and I can see all the files.
menu.list has
title Debian GNU/Linux, kernel 2.6.26-2-686
root (hd1,4)
kernel /boot/vmlinuz-2.6.26-2-686 root=/dev/hdb5 ro
initrd /boot/initrd.img-2.6.26-2-686
parted from the knoppix disk shows:
(parted) print all
Model: ATA ST3200822A (scsi)
Disk /dev/sda: 200GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Number Start End Size Type File system Flags
1 32.3kB 200GB 200GB extended
5 64.5kB 198GB 198GB logical ext3 boot
6 198GB 200GB 2048MB logical linux-swap
Model: ATA WDC WD2500AAJB-0 (scsi)
Disk /dev/sdb: 250GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Number Start End Size Type File system Flags
1 32.3kB 250GB 250GB primary ext3
I remember mucking with the drives a long time (years) ago - I moved the
boot drive from the second position to the first position), but it booted
fine after that and ran for years. I am surprised that the menu.list shows
the boot drive in the second position. Anyway, when the system boots, the
grub menu comes up. I tried editing the boot parameters from
root (hd1,4)
kernel /boot/vmlinuz-2.6.26-2-686 root=/dev/hdb5 ro
to
root (hd0,4)
kernel /boot/vmlinuz-2.6.26-2-686 root=/dev/hda5 ro
but I get this error message:
root (hd0,4)
Filesystem type is ext2fs, partition type 0x83
kernal.....
[Linux-bz-Image, setup=0x3000, size=ox16ce50]
Error 24 Attempt to access block outside partition
All of the data seems to be intact when viewed from Knoppix.
Any ideas on how to fix grub and get the system to boot?
Thanks,
Mark
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