Obtained 19 stack frames.
/usr/games/crawl-git-a3c592f31c(_Z17write_stack_traceP8_IO_FILEi+0x23) [0x600903]: write_stack_trace(_IO_FILE*, int)
/usr/games/crawl-git-a3c592f31c(_Z20crash_signal_handleri+0x174) [0x600c74]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x324f0) [0x7f3115eed4f0]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0x2b) [0x7f3116253efb]: 
/usr/games/crawl-git-a3c592f31c() [0x606e94]
/usr/games/crawl-git-a3c592f31c() [0x60731f]
/usr/games/crawl-git-a3c592f31c(_Z20crash_signal_handleri+0x293) [0x600d93]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x324f0) [0x7f3115eed4f0]: 
/usr/games/crawl-git-a3c592f31c(_Z16handle_behaviourP7monster+0x2d6) [0x851736]: handle_behaviour(monster*)
/usr/games/crawl-git-a3c592f31c(_Z15behaviour_eventP7monster14mon_event_typePK5actor9coord_defb+0x350) [0x8549e0]: behaviour_event(monster*, mon_event_type, actor const*, coord_def, bool)
/usr/games/crawl-git-a3c592f31c(_ZN10noise_grid19apply_noise_effectsERK9coord_defiRK7noise_ti+0xe7) [0x9664a7]: noise_grid::apply_noise_effects(coord_def const&, int, noise_t const&, int)
/usr/games/crawl-git-a3c592f31c(_ZN10noise_grid15propagate_noiseEv+0x1e8) [0x9666a8]: noise_grid::propagate_noise()
/usr/games/crawl-git-a3c592f31c(_Z12apply_noisesv+0x13d) [0x966a4d]: apply_noises()
/usr/games/crawl-git-a3c592f31c(_Z15handle_monstersb+0x3c1) [0x84f6b1]: handle_monsters(bool)
/usr/games/crawl-git-a3c592f31c(_Z12world_reactsv+0x11c) [0x7c02cc]: world_reacts()
/usr/games/crawl-git-a3c592f31c() [0x7c768c]
/usr/games/crawl-git-a3c592f31c(main+0x5f5) [0x4fd955]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xfd) [0x7f3115ed9ead]: 
/usr/games/crawl-git-a3c592f31c() [0x571d89]