Gentoo Forums
Gentoo Forums
Gentoo Forums
Quick Search: in
Grub problems, and a kernel panic.
View unanswered posts
View posts from last 24 hours

 
Reply to topic    Gentoo Forums Forum Index Installing Gentoo
View previous topic :: View next topic  
Author Message
AnarchE
n00b
n00b


Joined: 26 Jun 2002
Posts: 24
Location: NJ

PostPosted: Mon Sep 23, 2002 8:58 am    Post subject: Grub problems, and a kernel panic. Reply with quote

Ok, i boot the machine and im taking directly to a grub prompt. From there i do:

grub> root (hd0,1)
grub> setup (hd0)
grub> kernel /boot/bzImage
grub> boot

______________________________


Ok, hd0,1 is because hd0,0 is a partition with windows XP on it, and /dev/hda1 = XP hda2 = /boot hda3 = swap hda4 = root

after passing the boot command, i get:

Kernel panic: VFS: Unable to mount root fs on 03:04

I've been working on this since friday, and it's now 5am on monday....anyone ever experience this error before, or possibly know what's causing the error. I know it seems like there is a really easy way to fix it, but trust me in the last few days I've been googling, RTFM'ing and been on a few different irc networks trying to figure this problem out....without any luck.

Thank's in advnace:
AnarchE
Back to top
View user's profile Send private message
splooge
l33t
l33t


Joined: 30 Aug 2002
Posts: 636

PostPosted: Mon Sep 23, 2002 9:08 am    Post subject: Reply with quote

Make sure you got the correct file system support compiled into your kernel. Looks like you don't have the virtual file system compiled in (it's in the installation guide)
Back to top
View user's profile Send private message
AnarchE
n00b
n00b


Joined: 26 Jun 2002
Posts: 24
Location: NJ

PostPosted: Mon Sep 23, 2002 10:50 am    Post subject: Reply with quote

if by virtual file system, you mean Virtual Memory File System Support (former shm fs)
Config_TMPFS

It is compiled in, and has been compiled in. any other ideas?? im really struggling here, got a few things fixed tho, grub's all fixed, now i gotta figure out this kernel panic problem :-(
Back to top
View user's profile Send private message
rac
Bodhisattva
Bodhisattva


Joined: 30 May 2002
Posts: 6553
Location: Japanifornia

PostPosted: Mon Sep 23, 2002 11:03 am    Post subject: Reply with quote

What is the filesystem type of your root partition?
_________________
For every higher wall, there is a taller ladder
Back to top
View user's profile Send private message
plate
Bodhisattva
Bodhisattva


Joined: 25 Jul 2002
Posts: 1663
Location: Berlin

PostPosted: Mon Sep 23, 2002 11:15 am    Post subject: Reply with quote

This sounds so much like what happened to me last week that I'm willing to bet his root fs is Reiser, and he built the kernel support as a module... Nothing wrong with ReiserFS as a boot file system (or so I've heard), but not compiling support for it directly into the kernel is a Bad Idea. The module gets called too late in the boot process, so the file system isn't recognised properly.
Back to top
View user's profile Send private message
Zu`
l33t
l33t


Joined: 26 May 2002
Posts: 716
Location: BE

PostPosted: Mon Sep 23, 2002 11:30 am    Post subject: Re: Grub problems, and a kernel panic. Reply with quote

AnarchE wrote:
Ok, i boot the machine and im taking directly to a grub prompt. From there i do:

grub> root (hd0,1)
grub> setup (hd0)
grub> kernel /boot/bzImage
grub> boot

______________________________


Ok, hd0,1 is because hd0,0 is a partition with windows XP on it, and /dev/hda1 = XP hda2 = /boot hda3 = swap hda4 = root

after passing the boot command, i get:

Kernel panic: VFS: Unable to mount root fs on 03:04


Well. I could be wrong with this. But, if I'm correct you didn't tell GRUB that /dev/hda4 is your root partition, right? Then I guess it's quite normal that it can't mount it.

Try this:
Code:

grub> root (hd0,1)
grub> setup (hd0)
grub> kernel /boot/bzImage root=/dev/hda4
grub> boot


I guess you're using a GRUB boot floppy or something like that to get a GRUB prompt? Once you get it working, I'd advise to make a menu.lst as described here: http://www.gentoo.org/doc/build.html#doc_chap16

Greets
Back to top
View user's profile Send private message
Display posts from previous:   
Reply to topic    Gentoo Forums Forum Index Installing Gentoo All times are GMT
Page 1 of 1

 
Jump to:  
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum