ok, got me a new kernel and some modules ... now what?

[Tom H]

On Tue, May 11, 2010 at 10:11 AM, Nils Kassube <kassube at gmx.net> wrote:
> Robert P. J. Day wrote:
>> Quoting Tom H <tomh0665 at gmail.com>:
>> > On Tue, May 11, 2010 at 9:03 AM, Robert P. J. Day
>> >
>> > <rpjday at crashcourse.ca> wrote:
>> >>  i'm guessing what i'm about to ask is grub2-related.  after
>> >> configuring my kernel source tree (2.6.34-rc7), the resulting
>> >> "make" ran to completion, so i have a new kernel image and about
>> >> a kajillion module files ready to go.
>> >>
>> >>  from my fedora days, all i'd do then is just:
>> >>
>> >>  # make modules_install
>> >>  # make install
>> >>  # reboot
>> >>
>> >> which would install the kernel in /boot, the modules under
>> >> /lib/modules, and would update the grub config file.  however,
>> >> this is grub2, so i have no idea what the proper incantation is
>> >> or whether the kernel tree supports grub2 and the appropriate
>> >> grub2 config file updates.
>> >
>> > Run
>> > update-grub
>> > after
>> > make install
>>
>>    sadly, that didn't work as well as it might have:
>>
>> "Kernel panic - not syncing: VFS: Unable to mount root fs on
>> unknown-block(0,0)"
>
> And did you create an initrd image? That would usually be done with a
> command like
>
> sudo update-initramfs -c -k <your-kernel-name>
>
> and then run update-grub again.

True. That error could also come from an initrd-less boot failure.

"make install" does not create an initrd for me; I have to run the
above to create one.