Bug#324150: kernel 2.6.8-2-686: grub menu.lst points to a wrong kerel /vmlinuz location

[Steve Langasek]

On Sat, Aug 20, 2005 at 11:51:18PM +0200, Michel van der Klei wrote:
> On Sat, Aug 20, 2005 at 02:38:53PM -0700, Steve Langasek wrote:
> > On Sat, Aug 20, 2005 at 04:47:21PM +0200, Michel van der Klei wrote:
> > > Package: grub
> > > Version: 0.95+cvs20040624-17
> > > Severity: grave

> > > After a kernel upgrade last night my system fails to boot.
> > > It was caused by a wrongly updated menu.lst which pointed to
> > > a wrong kernel location:

> > > It pointed to:
> > > /vmlinuz-2.6.8-2-686 root=/dev/hda5 ro vga=791

> > > and that should be:

> > > /vmlinuz-2.6.8-2-686 root=/dev/sda5 ro vga=791 

> > > FYI this is a sata machine

> > Which presumably means that you were upgrading from a kernel in which
> > SATA showed up as IDE, to one in which SATA shows up as SCSI.  I don't
> > think grub can be expected to fix this for you automatically.

> Nope Steve, i came from a 2.6 kernel with sata support. There was no
> need to make any changes in my /etc/fstab aswell. Grub was setup
> correctly and worked fine until the upgrade. 

> I've saw this problem before but in that case i came from a 2.4 kernel
> and sata showed up as IDE, so that was explainable.

> For me this is not such a big problem since i know what to do .... but
> some kind of a newbie will have some big trouble with this.

> > The most that grub does is populate the entry automatically with the 
> > contents of the "kopt" variable in menu.lst:

> > ## default kernel options
> > ## default kernel options for automagic boot options
> > ## If you want special options for specifiv kernels use kopt_x_y_z
> > ## where x.y.z is kernel version. Minor versions can be omitted.
> > ## e.g. kopt=root=/dev/hda1 ro
> > # kopt=root=/dev/hda5 ro vga=791

> > If you want new kernel entries to automatically be given /dev/sda5 for
> > their root fs, you should edit that last line.

> Hmm kind of strange, my menu.lst contains:

> #kopt=root=/dev/sda5 ro vga=791

Hmm, in that case I have no explanation for this, sorry.  Hopefully the
grub maintainer has more insight than I do.

-- 
Steve Langasek                   Give me a lever long enough and a Free OS
Debian Developer                   to set it on, and I can move the world.
vorlon at debian.org                                   http://www.debian.org/
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