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Re: "kernel panic: VFS unable to mount..."

daemon@ATHENA.MIT.EDU (Richard Jennison)
Fri Nov 8 17:26:00 1996

Date: Fri, 8 Nov 1996 14:09:09 -0800 (PST)
From: Richard Jennison <jennison@netcom.com>
To: redhat-list@redhat.com
In-Reply-To: <Pine.SUN.3.95.961104100351.5368A-100000@netcom16>
Resent-From: redhat-list@redhat.com
Reply-To: redhat-list@redhat.com


UPDATE TO MY LAST POST ON THIS SUBJECT

     After reading the answer to this post in the rh-list group (Thank 
you Brian Bothwell) and some of the kernel help txt lists, I rpm -e and rpm
-U the kernel source file and started all over again. This was necessary
among other reasons because I discovered that I had modularized ext2,
my root filesystem, in error. 

    I once again chose to modularize everything I could except the ext2 
filesystem. Here are the specific commands used:
     rpm -e kernel-source-2.0.18-6
     rpm -U kernel-source* (from archived source file)
     cd  /usr/include
     rm -rf asm linux scsi
     ln -s /usr/src/linux/include/asm-i386 asm
     ln -s /usr/src/linux/include/linux linux
     ln -s /usr/src/linux/include/scsi scsi
     cd /usr/src/linux/
     make mrproper
     make config 
     make dep    (no errors observed)
     make clean
     make zImage ( "   "        "   )
     make zdisk  (no boot disk afterwards. Have to be formatted first?)
     make zlilo (don't know just what happened. Probably should have
omitted)
     make modules (no errors observed-skipped over previously installed
modules)
     make modules_install
   
     I then copied the new zImage to /boot as vmlinuz and ran /sbin/lilo 
with the lilo.config file in my last post.

     Now when booting I get the following 3 variations of an unsuccessful
kernel rebuild:

          kernel loading messages

          snip

          Partition check 
          hda started kswapd V.1.4.2.2
	  hda1 hda2 hda3
	  hdb: hdb1 hdb2 hdb3
 	
  	1. label l (new kernel modularized 2.0.18-6)

     	   VFS: Mounted root (ext2 filesystem read-only) 
          [stops loading at this point]

	2. label o (original kernel monolithic 2.0.18-5)

           VFS: Cannot open root device 08:03
	   kernel panic: VFS: Unable to mount root fs on 08:03
	   [stops loading at this point]

	3. redhat boot disk  LILO linux root=/dev/hdb1

  	   VFS: Cannot open root device 00:de
	   kernel panic: VFS: Unable to mount root fs on 00:de
	   [stops loading at this point]

	So ,as you can see, I have now managed to disable my boot disk as
 well and don't know how to get back into the system to fix it.                               

  	Thanks Rick     



                                             jennison@netcom.com


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