[ Kernel not booting up ]

[Srivatsa Bhat]

On Sun, Aug 21, 2011 at 1:45 AM, ashish raste <rasteashish at gmail.com> wrote:

> Hi Srivatsa,
>
> On 8/20/11, Srivatsa Bhat <bhat.srivatsa at gmail.com> wrote:
> > Hi Ashish,
> >
> > On Sat, Aug 20, 2011 at 3:48 PM, ashish raste <rasteashish at gmail.com>
> wrote:
> >
> >> Hi all,
> >>
> >> Recently I compiled and tried installing kernel (2.6.39.3), which I
> >> downloaded from kernel.org
> >> All the activity that I did was to copy the .config file of my distro
> >> (Ubuntu 10.10), then the following commands :
> >>
> >> - make menuconfig ( I exited, keeping the default configuration )
> >>
> >
> > You can execute 'make localmodconfig' after this, to ensure that you have
> > all the necessary
> > components enabled in the .config file. It also strips off all the
> > unnecessary ones, which will speed up
> > your compilation.
>
> I didn't do a 'make localmodconfig' after this.
>
> >
> > Did you forget to run 'make' after this stage?
> >
> > - make modules
> >> - make install_modules
> >>
>
> Yes, I ran make and make install_modules after this stage. Forgot
> writing it in my previous mail.
>
> >
> > I run 'make modules_install' here...
> >
> > - make install
> >> - update grub
> >>
> >> All of the above commands got executed without any errors, and the new
> >> kernel version was also shown in the grub menu. But it showed some
> >> errors and didn't login.
> >>
> >> When I tried logging to my Ubuntu distro, a blue login box(which is
> >> normally violet in color) appeared. After giving password, it came
> >> back again to the same screen without going inside.
> >>
> >> Only thing I was able to do was to dropping in root mode (from
> >> Ubuntu's recovery mode u\in the grub menu) and looking at all of my
> >> data through terminal without a GUI.
> >>
> >> Do you see a prompt like this ?:
> > grub>
>
> I didn't see a prompt of grub> Instead the following errors were
> listed on the black screen :
>
> [  2.4331....] Error: Driver 'mdio-gpio' is already registered. aborting...
> [  2.8364... ] Kernel panic - not syncing: VFS: Unable to mount root
> fs on unknown-block(0,0)
> [ .........     ] Pid: 1. comm: swapper Not tainted 2.6.39.3 #1
> [ ......        ] Call Trace:
>
> and list of errors in this trace.
>
>
Hi Ashish,

 I am not sure if this will help but you can try burning a system rescue CD
and
using it to fix the issue. I believe you will be able to get back atleast
your original
Ubuntu with full GUI..

Here is the link:
http://www.sysresccd.org/Download

Regards,
Srivatsa S. Bhat
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