linux-kernel - Re: Help Needed

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Message-ID: <CAFLxGvxo_43FnEQcrX1tVsrgcEv3z9=rBjv116jTMzih0Va6_g@mail.gmail.com>
Date:	Wed, 22 Jan 2014 16:08:40 +0100
From:	Richard Weinberger <richard.weinberger@...il.com>
To:	Madhusudhan Rao Sripalle <madhu.sripalle@...il.com>
Cc:	Mark Knecht <markknecht@...il.com>,
	Linux Kernel List <linux-kernel@...r.kernel.org>
Subject: Re: Help Needed

On Wed, Jan 22, 2014 at 4:05 PM, Madhusudhan Rao Sripalle
<madhu.sripalle@...il.com> wrote:
> 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.

If "make install" does not work your distro's /sbin/installkernel is
broken and needs fixing.

> 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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-- 
Thanks,
//richard
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