Obtained 14 stack frames. /usr/games/crawl-git-a4d50d4d25(_Z17write_stack_traceP8_IO_FILEi+0x23) [0x6c4663]: write_stack_trace(_IO_FILE*, int) /usr/games/crawl-git-a4d50d4d25(_Z20crash_signal_handleri+0x174) [0x6c49b4]: crash_signal_handler(int) /lib/x86_64-linux-gnu/libc.so.6(+0x33060) [0x7ff6f46d1060]: /usr/games/crawl-git-a4d50d4d25(_Z23raw_feature_descriptionRK9coord_def+0x4b) [0x72d66b]: raw_feature_description(coord_def const&) /usr/games/crawl-git-a4d50d4d25(_Z13do_crash_dumpv+0xf08) [0x6cc9e8]: do_crash_dump() /usr/games/crawl-git-a4d50d4d25(_Z20crash_signal_handleri+0x74) [0x6c48b4]: crash_signal_handler(int) /lib/x86_64-linux-gnu/libc.so.6(+0x33060) [0x7ff6f46d1060]: /lib/x86_64-linux-gnu/libc.so.6(__xstat64+0x15) [0x7ff6f4779055]: /usr/games/crawl-git-a4d50d4d25(_Z11file_existsRKSs+0x2a) [0xb5acfa]: file_exists(std::string const&) /usr/games/crawl-git-a4d50d4d25(_ZN4CLua12load_persistEv+0x48) [0x6ae1b8]: CLua::load_persist() /usr/games/crawl-git-a4d50d4d25(_Z12startup_stepv+0x975) [0xb3aad5]: startup_step() /usr/games/crawl-git-a4d50d4d25(main+0x109) [0x628419]: /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf1) [0x7ff6f46be2e1]: /usr/games/crawl-git-a4d50d4d25() [0x6296c5]