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wmclaffe
n00b
Joined: 17 Sep 2004
Posts: 17
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 Posted: Sat May 07, 2005 11:58 am Post subject: Installing 2.6.8, kernel panic [SOLVED] |
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I'm trying to install the 2.6.8.1 kernel for my OS class. I currently run the 2.6.10 kernel, and I'd like to have both installed at once. I'm following my TA's instructions, but I'm running into problems. The instructions are as follows:
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Pre-Build steps
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Download, unpack the kernel source tarball
Copy over the config file from /boot/config-$configversion to /usr/src/linux-$version/.config
Edit the Makefile to change the EXTRAVERSION to a name that is specific to your team.
The kernel is built with only two commands
# make clean (if you want to clean the code)
# make oldconfig
# make
Installing the kernel
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DO NOT, DO NOT overwrite the existing kernel in /boot.
You will not be able to boot the machine up if you overwrite it with your kernel and your kernel has an error in it.
On a successful build, the kernel image can be found as the file
/usr/src/linux-$version/arch/i386/boot/bzImage.
Copy the kernel image into /boot and name it vmlinuz-$yourversion
run $make modules_install in /usr/src/linux-$version.
Create the ramdisk image using the mkinitrd command ( for more info. man mkinitrd)
$mkinitrd /boot/initrd-$yourversion /lib/modules/$kernel-version
Edit grub.conf to add your kernel to the list so that you will see it as an option when booting up.
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These instructions were written for someone working on Fedora, so there are some errors; for example, there is no config file in /boot. I think I managed to get around the errors in the instructions (though if you have a better set of steps to follow, they'd definitely be welcome), but I'm still getting errors.
Currently, when I try to boot the new kernel, I get a 'kernel panic: attempted to kill init' error, and I have no idea what's causing it.
Here's my grub.conf:
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# which listing to boot as default, 0 is first, 1 is second
default 0
# how many seconds to wait before default listing is booted
timeout 30
# splash image
splashimage(hd0,2)/grub/splash.xpm.gz
title=Gentoo Linux 2.6.10-r4
# partition where kernel image (or OS) is located
root (hd0,5)
kernel /kernel-2.6.10-gentoo-r4 root=/dev/ram0 init=/linuxrc ramdisk=8192 real_root=/dev/hdc6
initrd /initrd-2.6.10-gentoo-r4
# for windows
title=Windows XP
root (hd0,1)
makeactive
chainloader +1
# for cs111
title=Kernel 2.6.8 - CS111
root (hd0,2)
kernel /boot/vmlinux-cs111 root=/dev/hdc6 init=/linuxrc
initrd /boot/initrd-cs111
makeactive
chainloader+1
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EDIT: Ok, solved it myself. After trying a couple different things, I manually wrote down a couple of the error messages and googled them. The one that did the trick was 'pivotroot: pivot_root(/sysroot, /sysroot/initrd) failed: 2'. Apparently all I had to do was 'mkdir /initrd', and now it boots perfectly. I love those nice, clear errors messages.  |
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jourbans
n00b
Joined: 16 Jan 2004
Posts: 34
Location: Chicago, IL, USA
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| Posted: Tue May 31, 2005 8:17 pm Post subject: |
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| Simply a thanks for the post. Just ran into the same error and thought it'd take me all day to sort it out. Cheers! |
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