linux-kernel - Re: Help Needed

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Message-ID: <CAK2H+ee8MgXdm3eTzrkvo=R-=8U_0LOmEAKMnKga8KU04jmgCg@mail.gmail.com>
Date:	Wed, 22 Jan 2014 06:55:28 -0800
From:	Mark Knecht <markknecht@...il.com>
To:	Madhusudhan Rao Sripalle <madhu.sripalle@...il.com>
Cc:	Linux Kernel List <linux-kernel@...r.kernel.org>
Subject: Re: Help Needed

On Wed, Jan 22, 2014 at 6:34 AM, Madhusudhan Rao Sripalle
<madhu.sripalle@...il.com> wrote:
> Thanks to Randy and Ryan for the responses. The pointers are really
> helpful. Currently I am facing an issue with Ubuntu's grub not
> displaying the newly built kernel.
>
> Existing kernel on the ubuntu system is 3.2.0-23-generic. While the
> new one is 3.11.10. The Grub has/displays fedora and ubuntu each one
> and their corresponding recovery modes. On building and installing
> 3.11.10 on Ubuntu's, the newly built kernel doesn't show up in grub at
> the boot time. Kindly help. Updating grub also doesn't help.
>
> -Madhu

There are likely a lot of resources on the web to more complete
instructions but roughly speaking:

1) Mount /boot
2) Copy your new kernel binary to /boot. I.e. cp
arch/x86_64/boot/bzImage /boot/bzImage-#####
3) Edit /boot/grub/grub.conf to add the new kernel in the list of options

HTH,
Mark
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