>>>>> "Oza" == paawan oza <paawan1982@yahoo.com> writes: Oza> may I have some idea about QEMU based approach ? Oza> I did not get your hint to incorporate into gdb record-replay. I was thinking of this: http://www.codesourcery.com/publications/reversible_debugging.pdf Tom