[CLUE-Tech] Debian 3.0r1, rescue mode from CD 1

[Keith Christian]

Hi David,

Interesting.  OK, I was expecting the wrong thing.  I will have to check the
Debian documentation to see how Debian expects the CD "rescue mode" to work. 
IMHO, the CD in rescue mode should be able to boot into a small standalone
system the way several other major distributions do.

Thanks for the reply.

=====Keith


--- David Anselmi <anselmi at americanisp.net> wrote:
> Keith Christian wrote:
> 
> [...]
> 
> > When I type "linux rescue" at the boot: prompt of CD-1, I get the normal
> > screenfuls of dmesg info, then it says:
> > 
> >     "Kernel panic: vfs: unable to mount root fs on 3a:05"
> > 
> > I'm expecting a stand alone rescue mode to appear.  To test some other
> > utilities (gpart, for example) I zeroed the first 512 bytes of /dev/hda,
> so
> > passing in an argument like "root=/dev/hda2" isn't applicable to this
> > situation.
> 
> I think you're expecting the wrong thing.  IIRC, debian's rescue mode 
> isn't intended to be a stand-alone sort of thing.  It's intended to boot 
> the system when you've messed up your boot sector or kernel.  So it 
> boots from the CD and uses the CD's kernel with your root partition.
> 
> Try "linux rescue root=/dev/hdaX".  root= is applicable, the rescue 
> kernel needs to know what to use for root.  That's what the kernel panic 
> tells you.
> 
> I'm not sure debian's rescue mode is terribly useful (as of 3.0). 
> Perhaps just to go into single user it might work better than what I've 
> tried.  If you want a stand-alone rescue system, there's always Knoppix.
> 
> Dave
> 
> 
> 
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