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Re: [Xen-users] xen0 under bochs

  • To: Mark Williamson <mark.williamson@xxxxxxxxxxxx>
  • From: Jon Seymour <jon.seymour@xxxxxxxxx>
  • Date: Wed, 3 Aug 2005 00:11:15 +1000
  • Cc: xen-users@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Tue, 02 Aug 2005 14:09:41 +0000
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Thanks Mark. I might try that. One other thing I considered was that
the default Bochs compile uses a cpu-level of 5 (rather than a
possible 6). Could this be relevant, I wonder?


On 8/2/05, Mark Williamson <mark.williamson@xxxxxxxxxxxx> wrote:
> > I realise that this isn't an optimal configuration, but I have been
> > trying to boot the
> > Xen demo CD (2.0.6) under Bochs over Windows XP SP1.
> >
> > This is what happens:
> >
> > The Dom0 boot seems to proceed a fair way, then:
> >
> > (XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch
> > input to Xen).
> > (XEN) Domain 0 shutdown: rebooting machine.
> >
> > Can anyone give me some hints about why this might be happening or
> > what I can do to get more diagnostics out of either Bochs or Xen?
> It seems likely that Bochs emulation isn't sufficient to cope with the tricks
> Xen uses...  You might want to look at switches to get different CPU
> emulations from Bochs.  You might also want to look at a debug build of Xen
> (cd xen; make clean && make debug=y; cp xen.gz /boot/).  Report a bug to the
> Bochs people if it really won't work.  Finally, if you're completely stuck
> you might like to try QEmu - it should boot the Bochs image happily.
> Cheers,
> Mark

homepage: http://www.zeta.org.au/~jon/
blog: http://orwelliantremors.blogspot.com/

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