Problem with grub & new kernel

[Ed Greshko]

sasa wrote:
> Hi, on Fedora Core 1 with kernel version 2.4.22-1.2115.nptl. after that
> I have applied a kernel patch and rebuild the new kernel, I have
> modified grub.conf but when I try to make the boot with the new kernel
> version I have:
> 
> VFS: Cannot open root device "sda2" or 08:02
> Please append a correct "root=" boot option
> Kernel panic: VFS: unable to mount root fs on 08:02
> 
> ..my grub.conf is:
> 
> title Fedora Core ()
> root (hd0,0)
> kernel /vmlinuz-2.4.22-1.2115.nptlcustom ro root=/dev/sda2 hdc=ide-scsi
> rhgb
> initrd /initrd-2.4.22-1.2115.nptlcustom.img
> title Fedora Core (2.4.22-1.2115.nptl)
> root (hd0,0)
> kernel /vmlinuz-2.4.22-1.2115.nptl ro root=LABEL=/ hdc=ide-scsi rhgb
> initrd /initrd-2.4.22-1.2115.nptl.img
> 
> ..when / correspond sda2.

Grub doesn't know anything about /dev/sda2.

Is your custom stuff on the same drive as the normal stuff?  If so, just
change to root=LABEL=/.