Re: Kernel Panic: VFS Unable to mount root fs on 03:01
matt@debian.debian.org wrote:
>
> My Hamm system is a couple weeks old, and I'm trying to roll my own kernel. The first few trys seemed to work, (removing PCI support, setting processor type to 486, etc...), but now, no matter how simple of a kernel I try to build, the system won't reboot. The kernel loads, then, after about 3/4 of a screen of normal startup messages, the system halts with:
>
> VFS: Can't open root device 03:01
> Kernel Panic: VFS unable to mount root fs on 03:01
>
You might be making your kernel too simple if you don't include support
for the minix fs then it cannot mount the root partiton. Try remaking
your kernel and be sure to include ext2 support.
> What do these messages mean, what have I done to myself, and how can I undo it?
>
Next time also try to use the kpkg utility, all you do is enter the
source directory enter kpkg and it creates a .deb of the kernel (well
almost you'll have to read the doc's or ask me for more info if you want
it). When you do a dpkg -i kernel-XXXXXX.deb it does everything for you,
even runs lilo!
> I installed the 2.0.34 kernel source package. I think I'm following the instructions in /usr/doc/kernel-source-2.0.34/README. I do:
>
> make mrproper
> make menuconfig
> make dep
> make clean
> make zImage
> make modules
> make modules_install
> cp /usr/src/linux/arch/i386/boot/zImage /boot/vmlinuz-2.0.34
> lilo
>
> Here is some other potentially relevant info:
>
> $ less /etc/lilo.conf
> boot=/dev/hda1
> root=/dev/hda1
> install=/boot/boot.b
> map=/boot/map
> vga=normal
> delay=20
> image=/vmlinuz
> label=Linux
> read-only
>
> $ ls -l /vmlinuz
> lrwxrwxrwx 1 root root 19 Sep 7 15:01 /vmlinuz -> boot/vmlinuz-2.0.34
>
> $ ls -l /boot
> total 295
> -rw-r--r-- 1 root root 512 Sep 7 15:27 boot.0301
> -rw-r--r-- 1 root root 4536 Nov 21 1997 boot.b
> -rw-r--r-- 1 root root 300 Nov 21 1997 chain.b
> -rw------- 1 root root 6656 Sep 15 23:12 map
> -rw-r--r-- 1 root root 444 Dec 12 1997 mbr.b
> -rw-r--r-- 1 root root 308 Nov 21 1997 os2_d.b
> -rwxr-xr-x 1 root root 281865 Sep 15 23:12 vmlinuz-2.0.34
>
> Thanks,
>
> Matt Miller
>
> ---- "Software is never finished, it is only released"
> ---- Mike Gancarz, The Unix Philosophy
>
> --
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