Re: [Xen-devel] console of the hypervisor

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

> Hi Folks,
> I am new to Xen so please excuse any silly questions
> 
> Can someone please tell me
> 1) Can I switch to the console of the hypsevisor on the same machine, or 
> do I have to use another machine with serial cable to go to the hypervisor 
> console? Can I see the console log of the hypervisor in domain 0?

The hypervisor doesn't have a fully-fledged console -- just a debug
interface where certain key presses obtain useful tracing and stats.
The only way to get this info, together with any other Xen output,
after booting is via a serial interface.

> 2) Can I use the same xenolinux kernel that we run in domain0 for other 
> domains?

Yes. The privileged drivers automatically disable themselves when run
in other domains. 

> 3) How to debug hypervisor? I am not able to find the pdb.txt which is 
> supposed to answer this question.

I don't think any core Xenm developer uses a debugger -- I have always
found crash dumps and explicitly-added tracing to be sufficient. There
are apparently a bunch of PDB improvements/fixes to go in after teh
2.0 release announcement, coming soon.

 -- Keir


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