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Old 04-28-2006, 03:10 PM   #1
o2bfishn
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kernel panic - not syncing: VFS: unable to mount root fs on unknown-block(3,2)


i have searched for this error and have found a lot but most of them state that the kernel was compiled and reiserfs support was not included (or some other fs), this is not my case

i installed 10.2 and used the 2.6.13 kernel, source, headers, modules and alsa-driver. everything went as planned

installed slapt-get and updated everything, again, no issues. pc reboots fine

changed my slapt-getrc to point to current, did a --dist-upgrade, everything went fine, reboot, no issues

here is where the problem lies and i am sure it is my fault but anyway...

i downloaded kernel-generic, -source, -headers, -modules (all 2.6.16.9) and alsa-driver from slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/linux-2.6.16.9/

then i removed the installed headers, source, modules, and alsa-driver. it would not let me remove kernel-generic or kernel-ide (said package does not exist) and then i installed all the packages listed above. ran lilo and just for good measure ran /sbin/lilo and rebooted

only one linux was listed in lilo menu and it started to boot but got the error
kernel panic - not syncing: VFS: unable to mount root fs on unknown-block(3,2)

i have not compiled anything myself and i did have reiserfs support when i installed 10.2.
i have booted with disc 1 and at the prompt loaded bare.i root=/dev/hda2 noinitrd ro
but where to go from here?
 
Old 04-28-2006, 03:25 PM   #2
Alien Bob
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The last couple of 2.6 kernels in slackware-current/testing do not include support for ext3 and reiser filesystems - instead these are built as modules and present in the kernel-modules package.

You will need to create an intrd (I hope you can still boot your old kernel?):

Code:
cd /boot
mkinitrd -c -k 2.6.16.9 -m reiserfs
Add this line to the 2.6.16.9 section of /etc/lilo.conf
Code:
initrd = /boot/initrd.gz
and re-run lilo:
Code:
lilo
Eric
 
Old 04-28-2006, 03:41 PM   #3
o2bfishn
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well, i cant boot my old kernel, but i can get to the install using disc 1

i made initrd but where in lilo does the line go?

mine says
image = /boot/vmlinuz
root = /dev/hda2
label = Linux
read-only
 
Old 04-28-2006, 03:45 PM   #4
o2bfishn
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nevermind, got it, put it after image = /boot/vmlinuz

thank you very much for your help. i hope now i can help the next guy that comes along

now off to fix my new nvidia error message
 
Old 04-28-2006, 03:48 PM   #5
Alien Bob
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Quote:
Originally Posted by o2bfishn
now off to fix my new nvidia error message
Make sure you use the latest Nvidia installer with that new kernel!

Eric
 
Old 04-28-2006, 03:51 PM   #6
o2bfishn
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actually the error was while it was uninstalling, something about libglx.so not being a symbolic link. i hit ok and the install finished. i used the most recent driver from nvidia and it worked. im replying now in my new up to date CURRENT slackware install! woohoo!

thanks again Alien Bob! you da man!
 
  


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