could be that gdb stops empathy while the focus is being locked, in which case it would require to be run in an another user session, the crash can also be used to get the details locally by somebody interested by doing the extra work there otherwise
could be that gdb stops empathy while the focus is being locked, in which case it would require to be run in an another user session, the crash can also be used to get the details locally by somebody interested by doing the extra work there otherwise