building and installing a new kernel makes my system unbootable

[Markus Schönhaber]

06.07.2010 16:29, Robert P. J. Day:

> On Tue, 6 Jul 2010, Markus Schönhaber wrote:

>> The system you do update-initramfs on must have lvm2 installed, of
>> course. Maybe re-installing it helps?
> 
>   it seems to be installed just fine, and it *must* be working fine
> since the ubuntu apt-get-installed kernels work properly and can mount
> that root filesystem, it's only my hand-rolled kernel that can't.
> 
>   i might break down and ask on the ubuntu kernel mailing list, even
> though i really don't want to bug them about something that's going to
> turn out to be trivial. :-(

Did you enable device mapper support in your kernel's config?

-- 
Regards
  mks