Re: Managing multi grub installs

[Rustom Mody]

On Tue, Mar 11, 2014 at 11:02 PM, Rustom Mody <address@hidden> wrote:
> On Tue, Mar 11, 2014 at 9:53 PM, Jordan Uggla <address@hidden> wrote:
>> On Mon, Mar 10, 2014 at 8:21 AM, Rustom Mody <address@hidden> wrote:
>>>> menuentry "Debian bootloader" {
>>>>   search --set --label Debian500G
>>>>   multiboot /boot/grub/i386-pc/core.img
>>>> }
>>>
>>> Tried this. I get:
>>>
>>> Welcome to Grub (in inverse video)
>>> error file not found
>>> Entering rescue mode
>>> grub rescue>
>>>
>>> How I tried:
>>>
>>> At the grub prompt I gave the following
>>> multiboot (hd0,5)/boot/grub/core.img
>>>
>>
>> Note that "root=(something,else); multiboot
>> (hd0,5)/boot/grub/core.img" is *not* functionally equivalent to
>> "root=(hd0,5); multiboot (hd0,5)/boot/grub/core.img". The multiboot
>> loader actually uses the value of $root and passes that information
>> along to the kernel its loading, in the case of loading grub it's used
>> to find the correct device value for $prefix.
>>
>> Try actually using "search --set=root --fs-uuid=UUID_HERE; multiboot
>> /boot/grub/core.img".
>
> Same result; viz. I get this
>
> Welcome to Grub (in inverse video)
> error file not found
> Entering rescue mode
> grub rescue>
>
> Slightly different words if I put --fs-uuid=UUID_HERE
> Exactly the above when there is no '=' sign
>
> Also tried with label (which is my original) -- same thing
>
> I preceded that line by a
> insmod multiboot

I tried with
debug=all
to see if I could come closer to the problem.
Gives me so much output its unmanageable. So:

Is there something other than 'all' to see more focused output?