[PLUG] Upgraded from Debian Lenny to Squeeze, and now my machine won't boot....

[Mark Phillips]

Forgot to add, the machine says it is using grub 1.5.

Mark

On Mon, Mar 28, 2011 at 12:43 PM, Mark Phillips
<mark at phillipsmarketing.biz>wrote:

> A few more observations....
>
> I tried using grub to attempt to boot. I set up the following based on (1)
> what I saw using the knoppix disk that the internal drives were mounted on
> /media/sda5 and /media/sdb1...../media/sda5 has the normal linux file system
> and sdb1 has my backup folders, and (2) grub's tab completion.
>
> grub> root (hd0,4)
> grub> kernel /boot/vmlinuz-2.6.21-1-686 root =/dev/sda5
> grub> initrd /boot/initrd-2.6.26-1-686
> grub> boot
>
> I get as far as:
> Kernel panic: not syncing: VFS unable to mount rootfs on unknown block(0,0)
>
> If I back down to 2.6.21. or 2.6.18 I get this error:
> Begin: mounting root file system...
> Begin: running /scripts/local_top...done
> Begin: waiting for root file system...
>
> So, I guess my original hypothesis is wrong...the SI drive controller may
> be working....except for a small annoying kernel panic or inability to load
> the file system....
>
> Does this help anyone figure out what I should do?
>
> Thanks,
>
> Mark
>
>
> On Mon, Mar 28, 2011 at 12:21 PM, Tim <tim-pdxlug at sentinelchicken.org>wrote:
>
>> > Any suggestions on how to get the machine to boot again?
>>
>> When the machine boots, can you tell what version of grub is running?
>> Sometime recently in Debian they switched from grub 1.x to grub 2.x
>> and it is possible that 2.x doesn't recognize your SI controller or
>> something.  If you think the bootloader did get upgraded, you could
>> try using a boot disk to drop back to grub 1.x.   Just the first
>> thought that comes to mind.
>>
>> HTH,
>> tim
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>
>