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Old 04-08-2003, 06:32 AM   #1
Blata
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Registered: Apr 2003
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Exclamation Kernel Panic :-/


hi there,
i have on my system both win98 and Mandrake linux, with lilo as a boot manager. recently win98 made some wild reboots and i had to run scandisk and check my disk's surface. scandisk found some bad blocks and marked them.
but unfortunately now i'm not able to boot linux anymore!!
i get the "kernel panic, can't find superblock" error message.
i tried to boot with the small floppy linux distrib: tomsrtbt
and mount my filesystem with no success.
here are the informations i got:
(my linux partition is on /dev/hda5)

--------------------------------------------------------------------------
Script started on Tue Apr 8 12:02:14 2003
# fdisk /dev/hda5
The number of cylinders for this disk is set to 3737.
This is larger than 1024, and may cause problems with:
1) software that runs at boot time (e.g., LILO)
2) booting and partitioning software from other OSs
(e.g., DOS FDISK, OS/2 FDISK)
Warning: ignoring extra data in partition table 5
Warning: ignoring extra data in partition table 5
Warning: ignoring extra data in partition table 5

Command (m for help): p

Disk /dev/hda: 255 heads, 63 sectors, 3737 cylinders
Units = cylinders of 16065 * 512 bytes

Device Boot Start End Blocks Id System
/dev/hda1 * 1025 3737 21792172+ c Win95 FAT32 (LBA)
/dev/hda2 3189 3728 4337550 85 Linux extended
/dev/hda3 2572 3188 4956052+ 1c Unknown
/dev/hda5 ? 25950 1663451127727757 68 Unknown

Command (m for help): q

# mount -t ext2 /dev/hda5 /linux
mount: wrong fs type, bad option, bad superblock on /dev/hda5,
or too many mounted file systems
(aren't you trying to mount an extended partition,
instead of some logical partition inside?)


#e2fsck -v -n /dev/hda5
e2fsck 1.19, 13-Jul-2000 for EXT2 FS 0.5b, 95/08/09
e2fsck: Attempt to read block from filesystem resulted in short read while trying to open /dev/hda5 Could this be a zero-length partition?


#e2fsck -b 8193 /dev/hda5
e2fsck 1.19, 13-Jul-2000 for EXT2 FS 0.5b, 95/08/09
e2fsck: Attempt to read block from filesystem resulted in short read while trying to open /dev/hda5 Could this be a zero-length partition?


# dumpe2fs -h /dev/hda5
dumpe2fs 1.19, 13-Jul-2000 for EXT2 FS 0.5b, 95/08/09
dumpe2fs: Attempt to read block from filesystem resulted in short read while trying to open /dev/hda5 Couldn't find valid filesystem superblock.
#
Script done on Tue Apr 8 12:05:31 2003
--------------------------------------------------------------------------

can anyone give me a tips to fix this, or at least to make a backup of my datas before reformating?
thanks.
 
Old 04-08-2003, 07:17 AM   #2
unSpawn
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Registered: May 2001
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See http://www.linuxquestions.org/questi...00#post222600.
Use testdisk and gpart to recover your partition table first, seems to me value "1663451127727757" is slightly out of bounds.
 
Old 04-09-2003, 01:02 PM   #3
Blata
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Registered: Apr 2003
Posts: 2

Original Poster
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thank you for your help. i'll try this when i have finished my backups.
you're right, this value doesn't seem to be the good one ;-)
 
  


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