http://www.fsmware.com/xen/patches/050429/coredump.patch
This patch adds an interface to libxc to do a coredump of a domain. It
also extends gdbserver to allow one to debug a coredump as if it were
a permanently paused guest.
> gdbserver-xen ip:port --file corename
Then from a gdb with the symbols loaded it is the same as before:
(gdb) target remote ip:port
Assuming you''ve applied the previous ptrace patch, you''ll have
to do a
trivial resolve in xc_ptrace.c because of the recent name changes.
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