linux-kernel - Re: Help Needed

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Message-ID: <CAH=mFZzLEQ5MAAmwB3tdcM+DxWQho9C6h1Ho7NhKe6JMnOhyVg@mail.gmail.com>
Date:	Wed, 22 Jan 2014 20:35:50 +0530
From:	Madhusudhan Rao Sripalle <madhu.sripalle@...il.com>
To:	Mark Knecht <markknecht@...il.com>
Cc:	Linux Kernel List <linux-kernel@...r.kernel.org>
Subject: Re: Help Needed

The grub file is /boot/grub/grub.cfg. The newly built kernel is
reflected in grub.cfg. But, the grub doesn't display this new kernel
at the boot time. I tried few tips from the web. It is no help. That
is why I sought help from this forum.

On Wed, Jan 22, 2014 at 8:25 PM, Mark Knecht <markknecht@...il.com> wrote:
> 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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