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Old 09-09-2009   #1 (permalink)
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system not booting after kernel compilation

Hi,

I had a Slackware 12 system and I've recompiled a newer kernel version. After installing it, the system is not booting any more. As I don't want to reinstall everything and lose existing information, I need to know what can be done to restore my system.

Any help would be highly appreciated.
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Old 09-09-2009   #2 (permalink)
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Hello and Welcome.
Did you have a different Kernel working before you compiled your own? You can add the old kernel to grub and use that to boot with.
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Old 09-10-2009   #3 (permalink)
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Quote:
Originally Posted by "MikeTbob
You can add the old kernel to grub and use that to boot with.
Slackware uses lilo, but other than that it's a good point. Did you (PeterMas) not keep the old kernel in your lilo.conf? That would have been the safest choice.

Anyway, your system should still be rescuable (<=that should be a word). Assuming you have only your new kernel entry in lilo.conf, do this:

Boot up the Slackware install CD/DVD. At the prompt, mount your root partition. That is probably /dev/hda1 or /dev/sda1
Code:
mount /dev/hda1 /mnt
Now change your root directory (because you where running from the CD/DVD and you want to run from the hard drive)
Code:
chroot /mnt
Voila! You're working on the hard drive again. Edit lilo.conf to restore your old kernel:
Code:
vim /etc/lilo.conf
And now finish it by running lilo. Don't forget this!
Code:
lilo
Reboot
Code:
reboot
And you should be done.
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Old 09-10-2009   #4 (permalink)
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Thanks for the info regarding Lilo, Freston. I've never used Slack.
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Old 09-11-2009   #5 (permalink)
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Thank you, Freston. I followed your instructions exactly and everything worked great!

Indeed, Slackware uses lilo.
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