I had removed the module which gives the error and installed the kernel. then i booted the machine. It give the following error: VFS: connot open root device "LABEL=/" unknown block(0,0) Please append correct "root=" kernel panic - not syncing: VFS: unable mount root fs....... ////////////////////////////////////////////////////////////////////////////////////////////////////////////////// my boot directory looks like as follows: ///////////////////////////////////////////////////////////////////////////////////////////////////////////////// drwxr-xr-x 4 root root 1024 May 12 18:16 . drwxr-xr-x 21 root root 4096 May 12 18:16 .. -rw-r--r-- 1 root root 5824 Jan 25 2003 boot.b -rw-r--r-- 1 root root 1855090 May 12 17:52 bzImage-2.6.9 -rw-r--r-- 1 root root 612 Jan 25 2003 chain.b -rw-r--r-- 1 root root 44309 Mar 14 2003 config-2.4.20-8.bak drwxr-xr-x 2 root root 1024 May 12 18:19 grub -rw-r--r-- 1 root root 149561 May 10 2005 initrd-2.4.20-8.img -rw-r--r-- 1 root root 84491 May 12 10:46 initrd-2.6.16.img -rw-r--r-- 1 root root 85480 May 12 17:51 initrd-2.6.9y.img -rw-r--r-- 1 root root 473 May 10 2005 kernel.h drwx------ 2 root root 12288 May 10 2005 lost+found -rw-r--r-- 1 root root 23108 Feb 25 2003 message -rw-r--r-- 1 root root 21282 Feb 25 2003 message.ja lrwxrwxrwx 1 root root 20 May 10 2005 module-info -> module-info-2.4.20-8 -rw-r--r-- 1 root root 15436 Mar 14 2003 module-info-2.4.20-8 -rw-r--r-- 1 root root 1120969 May 5 16:39 mykernel -rw-r--r-- 1 root root 640 Jan 25 2003 os2_d.b lrwxrwxrwx 1 root root 19 May 12 17:57 sys.map.old -> System.map-2.4.20-8 lrwxrwxrwx 1 root root 19 May 12 18:16 System.map -> System.map-2.4.20-8 -rw-r--r-- 1 root root 520129 Mar 14 2003 System.map-2.4.20-8 -rw-r--r-- 1 root root 518018 May 12 10:56 System.map-2.4.20-8custom -rw-r--r-- 1 root root 653843 May 12 10:46 System.map-2.6.16 -rw-r--r-- 1 root root 783512 May 12 13:51 System.map.2.6.9 -rw-r--r-- 1 root root 956117 May 12 17:51 System.map-2.6.9y -rw-r--r-- 1 root root 3193503 Mar 14 2003 vmlinux-2.4.20-8 lrwxrwxrwx 1 root root 14 May 12 17:51 vmlinuz -> vmlinuz-2.6.9y -rw-r--r-- 1 root root 1122186 Mar 14 2003 vmlinuz-2.4.20-8 -rw-r--r-- 1 root root 1116607 May 12 10:56 vmlinuz-2.4.20-8custom -rw-r--r-- 1 root root 1164617 May 12 10:46 vmlinuz-2.6.16 -rw-r--r-- 1 root root 1855090 May 12 17:51 vmlinuz-2.6.9y ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////// my grub.conf file looks as follows ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// # grub.conf generated by anaconda # # Note that you do not have to rerun grub after making changes to this file # NOTICE: You have a /boot partition. This means that # all kernel and initrd paths are relative to /boot/, eg. # root (hd0,1) # kernel /vmlinuz-version ro root=/dev/hda3 # initrd /initrd-version.img #boot=/dev/hda default=3 timeout=10 splashimage=(hd0,1)/grub/splash.xpm.gz title Red Hat Linux (2.6.9y) root (hd0,1) kernel /vmlinuz-2.6.9y ro root=LABEL=/ initrd /initrd-2.6.9y.img title Red Hat Linux (2.6.16) root (hd0,1) kernel /vmlinuz-2.6.16 ro root=LABEL=/ initrd /initrd-2.6.16.img title Red Hat Linux (2.4.20-8) root (hd0,1) kernel /vmlinuz-2.4.20-8 ro root=LABEL=/ initrd /initrd-2.4.20-8.img title DOS rootnoverify (hd0,0) chainloader +1 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////// what is the problem here.......................... Thanks Manjunath Naik -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/