Howdy,
I have here a box with the root (including /boot) directory mounted from
software RAID1 residing on SCSI disks. Using 2.2.* kernels, all was
fine. However, using kernel 2.4 (RawHide kernel-2.4.0-0.43.12.rpm), it
fails to mount the root filesystem during boot.
I'm using a boot image constructed as follows (under kernel 2.2.16):
---------------------
# depmod -a 2.4.0-0.43.12 -F /boot/System.map-2.4.0-0.43.12
# mkinitrd -f -v /boot/initrd-2.4.0-0.43.12.img 2.4.0-0.43.12
..
Loading module scsi_mod with options
Loading module sd_mod with options
Loading module aic7xxx with options
Loading module ide-mod with options
Loading module ide-probe-mod with options
Loading module ide-disk with options
Loading module raid1 with options
---------------------
which looks right.
My lilo.conf contains "root=/dev/md0", which is the correct md device.
The boot sequence looks like:
---------------------
Kernel command line: BOOT_IMAGE=linux-2.4-up ro root=900
BOOT_FILE=/boot/vmlinuz-2.4.0-0.32.12 single
..
md driver 0.90.0 MAX_MD=256, MAX_REAL=12
..
VFS: Mounted root (ext2 filesystem) [presumably the initrd --Eran]
Loading scsi_mod module
SCSI subsystem driver Revision: 1.00
Loading sd_mod module
kmod: failed to exec /sbin/modprobe -s -k scsi_hostadapter, errno = 2
Loading aic7xxx module
[all SCSI adapters, disks and partitions are recognized --Eran]
..
Lading ide-mod module
..
Loading ide-mod module
..
Loading ide-disk module
Loading raid1 module
raid1 personality registered
[should recognition of my RAID configuration happen here? --Eran]
EXT2-fs: unable to read superblock
isofs_read_super: bread failed, dev=09:00, iso_blknum=16, block=32
Kernel panic: VFS: Unable to mount root fs on 09:00
---------------------
What am I missing?
Thanks,
Eran Tromer
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