[Xen-devel] Crashing Xen

[Jacob Gorm Hansen <jacob@xxxxxxxx>]

hi,

I am trying to create a custom domain from code based on
xc_linux_build.c.

While I do not expect my newly instantiated domain to happily execute
whatever code I have for it at this stage, I am a bit surprised that
instead of just silently dying, it takes all of Xen with it, and the
machine reboots once I start my newly constructed domain.

The start operation completes and returns without error, but as soon as
the domain is scheduled (it appears) the machine crashes.

I have tried to instrument the Xen code with various printks (I have a
serial line connected) and apparently the switch_to function completes
without errors. I suppose that with enough printks I will eventually
find the troubled spot, but I was hoping that a little advice as to
where to look would ease my burdens.

What parameters to the build- and start-domain syscalls should I be
extra careful with, and where in Xen will bad domain parameters most
likely cause a crash?

Thanks in advance,
Jacob



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