did you do any recent updates that involved grub? if so, it may have
renamed a partition on you. I can't be sure though as I use linux inside
a VM these days and I don't much mess with grub. upon looking at your
info, you might have to reinstall grub. if its saying that its
attempting to access block outside of the partition, it may thing your
kernel is in the wrong spot. someone please correct me on this if I am
in error.
thanks
- Eric
On 8/10/10 10:48 AM, Mark Phillips wrote:
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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