[gentoo-user] OT - Having a problem booting a vanilla kernel

[gentoo-user] OT - Having a problem booting a vanilla kernel

[Michael Sullivan]

I wanted to try installing my Win4Lin 9x 5.0 software, so I unzipped my
vanilla kernel source (2.6.11.12 - the newest patch they have for SMP
kernels) into /usr/src and changed the symlink.  I applied the Win4Lin
patches.  I wanted the config of my currently running kernel, so I said
"make oldconfig" (make oldconfig does do that, right?)  I didn't turn on
the Win4Lin support yet because I wanted to see if I could get the old
kernel to work without it first.  I set up the kernel in
my /boot/grub/grub.conf file, just like my other kernels.  Pretty
routine.  When I tried to boot with 2.6.11.12, I got this:
<quote>
Booting 'Linux 2.6.11.12'
root (hd0,1)
Filesystem type is ext2fs, partition type is 0x83
kernel /kernel-2.6.11.12 real_root=/dev/sda udev
Error 13: Invalid or unsupported execution format
</quote>

Here's my grub.conf:

default 0
timeout 30
splashimage=(hd0,1)/grub/splash.xpm.gz

title=Gentoo 2.6.18-r6
root (hd0,1)
kernel /kernel-genkernel-x86-2.6.18-gentoo-r6 real_root=/dev/sda6 udev
initrd /initramfs-genkernel-x86-2.6.18-gentoo-r6

title=Gentoo 2.6.18-r4
root (hd0,1)
kernel /kernel-genkernel-x86-2.6.18-gentoo-r4 real_root=/dev/sda6 udev
initrd /initramfs-genkernel-x86-2.6.18-gentoo-r4

title=Linux 2.6.11.12
root (hd0,1)
kernel /kernel-2.6.11.12 real_root=/dev/sda6 udev
initrd /initrd-2.6.11.12.img

title=Windows XP
rootnoverify (hd0,0)
makeactive
chainloader +1


I checked against /boot and all the file names are correct.  I booted
with the top kernel, so I know those settings are correct, with the only
changes in the filenames.  What am I missing here?
-Michael Sullivan-

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Re: [gentoo-user] OT - Having a problem booting a vanilla kernel

[Dan Farrell]

On Mon, 29 Jan 2007 20:43:45 -0600
Michael Sullivan <michael@espersunited.com> wrote:

> I wanted to try installing my Win4Lin 9x 5.0 software, so I unzipped
> my vanilla kernel source (2.6.11.12 - the newest patch they have for
> SMP kernels) into /usr/src and changed the symlink.  I applied the
> Win4Lin patches.  I wanted the config of my currently running kernel,
> so I said "make oldconfig" (make oldconfig does do that, right?)  I
> didn't turn on the Win4Lin support yet because I wanted to see if I
> could get the old kernel to work without it first.  I set up the
> kernel in my /boot/grub/grub.conf file, just like my other kernels.
> Pretty routine.  When I tried to boot with 2.6.11.12, I got this:
> <quote>
> Booting 'Linux 2.6.11.12'
> root (hd0,1)
> Filesystem type is ext2fs, partition type is 0x83
> kernel /kernel-2.6.11.12 real_root=/dev/sda udev
> Error 13: Invalid or unsupported execution format
> </quote>

> title=Linux 2.6.11.12
> root (hd0,1)
> kernel /kernel-2.6.11.12 real_root=/dev/sda6 udev
> initrd /initrd-2.6.11.12.img

> 
> I checked against /boot and all the file names are correct.  I booted
> with the top kernel, so I know those settings are correct, with the
> only changes in the filenames.  What am I missing here?
> -Michael Sullivan-
> 

Should I be appending 'udev' to my kernel boot params?  I've never done
that.  

I think the problem may be the configuration of your kernel.  Im sure
you know what you're doing, as evidenced by the wealth of kernels here,
but still I wonder whether a stray keypress maybe set the architecture
or subarchitecture incorrectly...

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