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When replaying a trace, it is possible to go from shutdown to running with a reverse-debugging step. This can be useful if the problem being debugged triggers a reset or shutdown. This can be tested by making a recording of a machine that shuts down, then using -action shutdown=pause when replaying it. Continuing to the end of the trace then reverse-stepping in gdb crashes due to invalid runstate transition. Just permitting the transition seems to be all that's necessary for reverse-debugging to work well in such a state. Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Pavel Dovgalyuk <Pavel.Dovgalyuk@ispras.ru> Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Message-Id: <20240813050638.446172-5-npiggin@gmail.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20240813202329.1237572-13-alex.bennee@linaro.org>