Re: linux-image-2.6.39-2-amd64: root filesystem (LVM) not recognised

[Jonathan Nieder <jrnieder@gmail.com>]

Hi Valentin,

Valentijn Scholten wrote:

> [Subject: Bug#636123: similar issue with 2.6.39.2 from backports]

Please keep in mind that these appear as emails in a crowded inbox, so
the subject line can be a good place to put valuable context.

[...]
> I was running a Debian Squeeze with 2.6.38.2 from backports. Was running
> fine.
>
> I decided to install 2.6.39.2 from backports (apt-get install ...)
>
> It removed the old kernel and installed the new one.

That already seems odd.  Why was the old kernel removed?  Does
/var/log/apt/term.log say anything relevant?

> I rebooted, and got a kernel panic about not being able to find the root
> file system.
>
> "No filesystem could mount root, tried:"
> "Kernel panic = not syncing: VFA: Unable to mount root fs on
> unkown-block(0,0)."
>
> Since the old kernel was removed, I couldn't boot the system anymore.
>
> I installed Debian Squeeze on top of the not-bootable install and was able
> to boot again.

Thanks.  Cc-ing the initramfs-tools maintainers, who might know more
about how to debug such problems.

Thanks for writing,
Jonathan