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Old 07-26-2005, 10:53 PM   #1
Eibwen
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Registered: Jan 2003
Location: California
Distribution: Slackware 8
Posts: 10

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Angry Problem booting my new Kernel


I just downloaded the kernel packages from -current/testing, and installed them all. I have my files in /boot, and I used the mkinitrd script twice, both times it failed.

The first time, I did the generic "-c -k 2.6.12.3 -m reiserfs"

then reinstalled LILO

and I get an error like

VFS Cannot open root device "817
Please append a correct "root=" boot option

Kernel Panic... etc etc

and I assume that means append a correct root= in my mkinitrd,

so the next time I did it, I type "-c -k 2.6.12.3 -m reiserfs -f reiserfs -r /dev/sdb2"

And I get farther... except still an error, I get-

Ramdisk compressed image found at block 0

VFS: mounted root ext2 filesystem

using /lib/modules/2.6.12.3/reiserfs.ko

mount: mounting /dev/sdb2 on /mnt
failed: no such device or address

blah blah blah

so I'm wondering why VFS is bothering with ext2 filesystem anyway? I mean, does it mount root on ext2, then load reiserfs.ko, then switch to reiserfs? or did I miss something when I set it up and it shouldn't load anything w/ ext2?

I just want to boot!
 
Old 07-26-2005, 11:11 PM   #2
aikidoist72
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Registered: Jan 2005
Location: Australia
Distribution: Slackware Archlinux FreeBSD
Posts: 218

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Can you post you fstab file please. Also append correct root= means it is not finding the root file system at the partition specified. This is a grub entry, but the principle is the same
Code:
# (0) Slackware 10.1
title Slackware 10.1 [2.6.12]
root	(hd0,0)
kernel	(hd0,0)/kernel-2.6.12-2-ev2 vga=0x317 root=/dev/hda5 devfs=nomount ro splash=verbose
initrd	(hd0,0)/initrd-dolphin
fstab
Code:
#Slackware 10.1
/dev/hda1        /boot            ext3        defaults         1   1
/dev/hda3        /home            reiserfs    defaults         1   1
/dev/hda4        /data            reiserfs    defaults         1   2
/dev/hda5        /                reiserfs    defaults         0   1
/dev/hda6        swap             swap        defaults         0   0
/dev/hda7        /var             reiserfs    defaults         1   2
/dev/hda8        /opt             reiserfs    defaults         1   2
/dev/hda9        /usr             reiserfs    defaults         1   2
 
Old 07-28-2005, 03:24 AM   #3
marcp66
LQ Newbie
 
Registered: Aug 2002
Location: Antwerp, Belgium
Distribution: Ubuntu 9.04
Posts: 10

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You say that mkinitrd failed... Maybe you started the mkinitrd script in a directory where you don't have enough rights to create a new file???. I tell this because that was the problem I had yesterday. I started mkinitrd and nothing seemed to happen. When I told the script to create its output file into /tmp, it worked.
 
Old 08-24-2005, 06:36 PM   #4
Theta13579
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Registered: Aug 2005
Location: Milky Way Galaxy
Distribution: Slackware
Posts: 34

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lilo mbr RiserFs dont mix

1_Is your linux partition formated in RiserFs?
2_Did you install the boot sector on the MBR?
3_Slackware tells you not to do this when you install !!



cd /usr/src/linux-2.6.xx.yy/
make menuconfig
modulate to what you need
>modulate into kernel ramdisk at boot< ??? (16MB defalt)
mod in kernel frame buffer generic vesia
Mod into kernel RiserFs and ext3,ext2 ???.
 
  


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