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

[Tom H]

On Tue, May 11, 2010 at 9:46 AM, Robert P. J. Day <rpjday at crashcourse.ca> 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)"
>
> that suggests the initrd image was not built properly?  and,
> annoyingly, there is no timeout that allows me to select the original
> kernel to boot.  time for a live CD and some repair, i guess.  not
> like i haven't been down *this* road before.

"Shift" should give you a grub menu.

It does look like a bad initrd...