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Re: Kernel Panic



On Sat, 2 Oct 2004, Alexandre Van Haecke wrote:

> 
> Hi all,
> Switching from Fedora kernel 2.6.5-1.358 to 2.6.8-1.521, I get the
> following message at the very beginning of the boot sequence :
> "Kernel Panic : VFS  Unable  to mount root fs on unknown-block (0, 0)"
> I rebuilt the kernel and got the same behavior with my new custom
> kernel.
> To be precise, I use Fedora Core 2 x86_64 on a Shuttle SN95G5 (Athlon 64
> 3500+ socket 939, nVidia nForce3 Ultra).
> If someone with the same hardware architecture got the 2.6.8 to work, I
> am interested !
> Bye,
> 
> Alex Van Haecke
> 
> 
> 
> PS : Here is my grub.conf file (I use grub) :
> 
> default=2
> timeout=10
> splashimage=(hd0,5)/boot/grub/splash.xpm.gz
> title Fedora Core (2.6.8-1.521custom)
>         root (hd0,5)
>         kernel /boot/vmlinuz-2.6.8-1.521custom ro root=LABEL=/ quiet
>         initrd /boot/initrd-2.6.8-1.521custom.img
> title Fedora Core (2.6.8-1.521)
>         root (hd0,5)
>         kernel /boot/vmlinuz-2.6.8-1.521 ro root=LABEL=/ quiet
>         initrd /boot/initrd-2.6.8-1.521.img
> title Fedora Core (2.6.5-1.358)
>         root (hd0,5)
>         kernel /boot/vmlinuz-2.6.5-1.358 ro root=LABEL=/ quiet
>         initrd /boot/initrd-2.6.5-1.358.img

I don't have the same hardware, but have run into this issue, before.

Does your system actually have initrd-2.6.8-1.521custom.img and/or 
initrd-2.6.8-1.521.img in its /boot directory?

If not, boot back to 2.6.5-1.358, then, as root, run:

mkinitrd /boot/initrd-2.6.8-1.521custom.img 2.6.8-1.521custom

and

mkinitrd /boot/initrd-2.6.8-1.521.img 2.6.8-1.521

to create the initrd images you need.
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