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Old 02-05-2005, 10:39 PM   #1
LQ Newbie
Registered: Nov 2004
Distribution: FreeBSD, NetBSD
Posts: 21

Rep: Reputation: 15
configuring kernel, booting to root partition

I compiled a new kernel so that I could install drivers for my 2 video nvidia cards
when I select the new kernel off of grub it starts booting and has a kernel panic,
VFS says that is cant mount the root drive
it's trying to mount (0.0) when it should be mounting (0.1) my question is , how do I configure it to mount the right drive?
with gatitude
Old 02-06-2005, 01:22 AM   #2
Registered: Nov 2004
Location: Spokane, WA
Distribution: Debian 6.0
Posts: 369

Rep: Reputation: 30
i would ask this question in the forum for your distro
Old 02-06-2005, 01:43 AM   #3
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Registered: Jun 2001
Location: South Alabama
Distribution: Fedora / RedHat / SuSE
Posts: 7,163

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kernel (hd0,5)/boot/vmlinuz root=/dev/hda6 vga=0x317 splash=silent desktop hdc=ide-scsi hdclun=0 showopts
initrd (hd0,5)/boot/initrd

(hd0,5) is the partition where the /boot folder is. This also happens to be the root filesystem.

If you have a paritition that has the kernel in it then it would be like this..

kernel (hd0,5)/vmlinuz

Here is the root filesystem..

This is where the root filesystem is. They are not always nor do they need to be in the same place as this one is.

another example..

kernel (hd0,0)/vmlinuz

this is the first partition on the primary master being used as a boot partition.


this is the second partition on the primary slave where the filesystem is.

kernel (hd0,0)/vmlinuz root=/dev/hdb2

In this case the fstab my have this...

/dev/hda1 /boot ext3 defaults 0 0

so that's your /boot partition where the kernel is, the root filesystem is in /dev/hdb2

For yours if the kerel is in /dev/hda1 and the filesystem is /dev/hda2...

kernel (hd0,0)/vmlinuz root=/dev/hda2

If you have it correct then maybe you did not add your filesystem support to the kernel.

Last edited by DavidPhillips; 02-06-2005 at 01:54 AM.


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