"Block device /dev/sda3 is not a valid root device..

_glen · n00b Joined: 11 May 2007 Posts: 3

I've compiled a new kernel with genkernel all went well accept the new kernel won't boot it gets as far as Determining root device "Block device /dev/sda3 is not a valid root device.. The root block device is mspecifed an not detected ,the necessary files (sda sda3 and others)were not copied to the /dev folder any idea what going wrong .

kernel x86-2.6.20-gentoo-r8 no problem.
kernel x86-2.6.21-gentoo won't boot no boot device /dev/sda3
kernel x86-2.6.22-gentoo-r2 won't boot no boot device /dev/sda3

gentoo is running in VMWare server console.

IQgryn · l33t Joined: 05 Sep 2005 Posts: 764 Location: WI, USA

I would start by determining what changed between the latest working and oldest broken kernel configs and grub entries. Use diff, or a graphical diff tool if possible.

nixnut · Posted: Mon Aug 20, 2007 6:14 pm Post subject:

Moved from Kernel & Hardware to Duplicate Threads.
See here
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