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xen-devel
Re: [Xen-devel] Help debugging domain builder, qemu upstream and hvmload
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.
Wei.
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