grub.conf emptied, and now i get kernel panic?

[Kahn Seidl]

I am sure you are right, grub wont mount the lvm.


>From: Craig White <craigwhite at azapple.com>
>Reply-To: For users of Fedora Core releases <fedora-list at redhat.com>
>To: For users of Fedora Core releases <fedora-list at redhat.com>
>Subject: Re: grub.conf emptied, and now i get kernel panic?
>Date: Fri, 26 Aug 2005 08:34:16 -0700
>
>I was under the impression that you can't boot from an LVM volume and
>that is why /boot needed to be in its own partition - before the LVM
>gets mounted.
>
>I'm sure someone will correct me if I'm wrong.
>
>Craig
>
>On Fri, 2005-08-26 at 14:16 +0000, Kahn Seidl wrote:
> > well, boot is on /dev/hda2
> >
> > boot is on /dev/hda2 and the lvm is hda5
> >
> > which is what the boot is ont
> >
> > if i specify /boot then it wont find the kernel
> >
> > if I leave it as /vmlinuz
> > then it works allright.
> >
> > but i still get a kernel panic
> >
> >
> > martin
> >
> > >From: Jeff Vian <jvian10 at charter.net>
> > >Reply-To: jvian10 at charter.net,For users of Fedora Core releases
> > ><fedora-list at redhat.com>
> > >To: akonstam at trinity.edu,For users of Fedora Core releases
> > ><fedora-list at redhat.com>
> > >Subject: Re: grub.conf emptied, and now i get kernel panic?
> > >Date: Fri, 26 Aug 2005 08:33:57 -0500
> > >
> > >On Fri, 2005-08-26 at 08:17 -0500, akonstam at trinity.edu wrote:
> > > > On Thu, Aug 25, 2005 at 02:38:26PM -0700, Craig White wrote:
> > > > > On Thu, 2005-08-25 at 16:52 -0500, akonstam at trinity.edu wrote:
> > > > > > On Thu, Aug 25, 2005 at 12:41:28PM +0200, David Colomer wrote:
> > > > > > >
> > > > > > >
> > > > > > > -----BEGIN PGP SIGNED MESSAGE-----
> > > > > > > Hash: SHA1
> > > > > > >
> > > > > > > Kahn Seidl wrote:
> > > > > > > > Somehow my grub.conf is emptied.  But, what I did is put it 
>back
> > >in the
> > > > > > > > best I could from what someone else posted.
> > > > > > > >
> > > > > > > > title fc3
> > > > > > > >   root (hd0,2)
> > > > > > > >   kernel /vmlinuz-2.6.9-1.667 ro root=LABLE=/dev/hda2 rhgb 
>quiet
> > > > > > > >   initrd  /initrd-2.6.9-1.667.img
> > > > > > > >
> > > > > > I can't beleve no one mentioned this but the lines should be:
> > > > > >    kernel /boot/vmlinuz-2.6.9-1.667 ro root=LABREL=/dev/hda2 
>rhgb
> > >quiet
> > > > > >    initrd  /boot/initrd-2.6.9-1.667.img
> > > > > ----
> > > > > English as a second language for some, I understand. I thought 
>English
> > > > > was Aaron's primary language.
> > > > >
> > > > > LABEL #not LABLE or LABREL
> > > > >
> > > > > I believe the spelling is entirely significant
> > > > > ----
> > > > > >
> > > > > > or am I going crazy.
> > > > > ----
> > > > You are right .. I can't spell. But my point is that the lines 
>should
> > > > be:
> > > > kernel /boot/vmlinuz...
> > > > initrd /boot/initrd..
> > > >
> > > > Not:
> > > > kernel /vmlinuz...
> > > > initrd /initrd...
> > > >
> > > > That is the problem.
> > >
> > >I see 2 possibilities.
> > >If there is a separate /boot partition (as I use) then the lines would
> > >be
> > >*********
> > >title Fedora Core (2.6.12-1.1372_FC3)
> > >    root (hd0,0)
> > >    kernel /vmlinuz-2.6.12-1.1372_FC3 ro root=LABEL=/ rhgb quiet
> > >    initrd /initrd-2.6.12-1.1372_FC3.img
> > >***********
> > >
> > >If there is no /boot partition then the alternate form would be correct
> > >
> > >***********
> > >title Fedora Core (2.6.12-1.1372_FC3)
> > >    root (hd0,0)
> > >    kernel /boot/vmlinuz-2.6.12-1.1372_FC3 ro root=LABEL=/ rhgb quiet
> > >    initrd /boot/initrd-2.6.12-1.1372_FC3.img
> > >***********
> > >
> > >Note, that you can use either  root-LABEL=/  or root=/dev/hda2, but you
> > >cannot mix the LABEL and device name in the same line.
> > >
> > >Also, I noted that Kahn gave the stanza
> > > > title fc3
> > > >   root (hd0,2)
> > > >   kernel /vmlinuz-2.6.9-1.667 ro root=LABLE=/dev/hda2 rhgb quiet
> > > >   initrd  /initrd-2.6.9-1.667.img
> > >which seems incorrect in one other way.
> > >The second line [ root (hd0,2) ] likely does not point to /dev/hda2.
> > >The way grub works that should point to the 3rd partition on the drive
> > >(/dev/hda3). This would imply that /boot is in /dev/hda3 and if so then
> > >having the kernel line without the /boot part would be correct.
> > >
> > >Only Kahn can answer that part.
> > >
> > >Mine which I showed above as [ root (hd0,0) ] actually points to
> > >the /boot partition which is /dev/hda1. Grub starts counting partitions
> > >from 0 but the partition table starts counting from 1.
> > >
> > >
> > >
> > >
> > > > --
> > > >
> > > > 
>=======================================================================
> > > > P-K4
> > > > -------------------------------------------
> > > > Aaron Konstam
> > > > Computer Science
> > > > Trinity University
> > > > telephone: (210)-999-7484
> > > >
> > >
> > >--
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> > >fedora-list at redhat.com
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> >
> >
>
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