View Full Version : Update - Kernel panic
jMack
March 12th, 2005, 03:25 AM
OK, fairly new at Linux, but not a complete boner.
I got Warty all going well for me, then looked at what files could be updated; quite a few. So I updated through Synaptec (sp?) and got everything loaded except for the latest firefox (wouldn't install).
So now I'm at kernel 2.6.8.1-5-386, and I get this spitout before it crashes:
root (hd0,1)
Filesystem type is ext2fs, partition type 0x83
kernel /boot vmlinuz-2.6.8.1-5-386 root=/dev/hda2 ro quiet splash
[Linux-bzImage, setup=0x1400, size=0x10b003]
savedefault
boot
Uncompressing Linux... Ok, booting the kernel.
Kernel panic: VFS: unable to mount root fs on unknown-block(0,0)
I'm guessing that the error could be due to the fact that I still have WinXP on the first partition (hda1?), and the kernel is defaulted to this? Then again, i see the line where it declaires that root is hda2, so I'm not sure.
If its a matter of fixing Grub, please walk me through the process. I see that at the beginning of Grub I can hit "c" and go to a command prompt. I'm just not familiar with the commands here.
I tried loading the old kernel, but it can't find it; no doubt deleted and overwritten.
help me please,
jMack
jMack
March 12th, 2005, 03:25 PM
Should I have posted this in another location? Curious...
Just about to do a full reinstall! Dang....and it took me forever to get VLC working well too...
Xian
March 12th, 2005, 04:56 PM
I tried loading the old kernel, but it can't find it; no doubt deleted and overwritten.
Maybe not, unless you selected it to be deleted. What are the contents of your /boot directory?
Xian
March 12th, 2005, 05:05 PM
I'm guessing that the error could be due to the fact that I still have WinXP on the first partition (hda1?), and the kernel is defaulted to this? Then again, i see the line where it declaires that root is hda2, so I'm not sure.
Nah, (hd0,1) is the same as /dev/hda2. That's fine.
I think the problem might just be in your grub config.
Post the contents of your /boot/grub/menu.lst.
jMack
March 12th, 2005, 09:09 PM
Well, its not a problem anymore; I reinstalled.
I'm not sure where the prob was.
My procedure was this with the old one:
1. Install Ubuntu-warty as dual-partition, fresh install.
2. Installed misc programs
3. Ran Update (2 weeks later) where kernel updated
4. Problem booting.
Today, I:
1. Install Ubuntu-warty as dual-partition, fresh install.
2. Ran update RIGHT AWAY where kernel updated
3. No probs rebooting.
I must've had an issue the first time with a conflict or something. I WAS trying to install some non-supported bits-o-software, which may have been the culprit??? 2 big pieces of software was Crossover Office and Transgaming-Cedega.
thanks anyway.
tarasbulba
April 5th, 2005, 10:54 PM
root (hd0,2)
Filesystem type is ext2fs, partition type 0x83
kernel /boot vmlinuz-2.6.10 root=/dev/hda3 ro quiet splash
[Linux-bzImage, setup=0x1600, size=0x11ab03]
savedefault
boot
Uncompressing Linux... Ok, booting the kernel.
Kernel panic-not syncing:VFS: unable to mount root fs on unknown-block(0,0)
Hello,today i have tried to re-compile and install my kernel on Hoary 5.04 prewiev .everything was well.when i rebooted it gave me same thing above.Like in wiki pages told,New kernel didn't make an intrd.img.In menu.lst it seems to be ok.It likes my old kernel.Just vmlinuz different.Here is menu.lst:
title Linux.old
root (hd0,2)
kernel /boot/vmlinuz-2.6.10-4-386 root=/dev/hda3 ro quiet splash
initrd /boot/initrd.img-2.6.10-4-386
savedefault
boot
title Ubuntu, kernel 2.6.10-4-386 (recovery mode)
root (hd0,2)
kernel /boot/vmlinuz-2.6.10-4-386 root=/dev/hda3 ro single
initrd /boot/initrd.img-2.6.10-4-386
savedefault
boot
title Ubuntu, kernel 2.6.10
root (hd0,2)
kernel /vmlinuz-2.6.10 root=/dev/hda3 ro quiet splash
savedefault
boot
title Ubuntu, kernel 2.6.10 (recovery mode)
root (hd0,2)
kernel /vmlinuz-2.6.10 root=/dev/hda3 ro single
savedefault
boot
title Ubuntu, kernel memtest86+
root (hd0,2)
kernel /boot/memtest86+.bin
savedefault
boot
but i can't understand why it made so?Pls help.(i can booting with my old kernel)
tarasbulba
April 10th, 2005, 04:57 PM
i have found a wiki in ubuntu site for this thread.It works for me:
$ sudo mkdir /lib/modules/`uname -r`/boot/
$ sudo cp -a \
/lib/modules/`uname -r`/kernel/security/capability.ko \
/lib/modules/`uname -r`/boot/ && \
sudo mkinitrd -o /boot/initrd.img-`uname -r` `uname -r`
i have just put my new kernels' name instead of uname -r like 2.6.10-ati
i hope this is helpful.thanks
domo
May 4th, 2005, 05:27 PM
i have found a wiki in ubuntu site for this thread.It works for me:
i have just put my new kernels' name instead of uname -r like 2.6.10-ati
i hope this is helpful.thanks
That's work for me, thanks a lot.
xshiosak
May 19th, 2005, 10:44 PM
I had the same problem after I recompile my kernel. I added ramdisk support on my kernel config and it woks, let me know if you have more problems with it...
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