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Re: [Xen-devel] Help debugging domain builder, qemu upstream and hvmloader

Adding @xen-devel back in CC list.

On Wed, 2011-07-27 at 18:53 +0900, Daniel Castro wrote:
> > Ian Campbell once mentioned his trick to debug QEMU (following
> > paragraphs quoted from his email):
> >
> > =====================================================================
> > When I have an issue with qemu I often specify the device model in my
> > guest configuration as a script containing:
> >       echo $@ > /tmp/qemu-dm
> >       sleep 1h
> >
> > Then immediately after running "xl create" I can examine /tmp/qemu-dm
> > and run the qemu by hand in the foreground, or under gdb etc. (there is
> > a timeout in xl waiting for qemu to announce itself so you need to be
> > reasonably prompt...)
> > =====================================================================
> Works perfectly, now I need to learn how to use gdb. Any good document
> comes to mind?

Google helps a lot.

GDB manual is the best document I know.


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