Obtained 17 stack frames.
/usr/games/crawl-0.30(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x60acdfba6e1e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-0.30(_Z20crash_signal_handleri+0x18f) [0x60acdfba728f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x79a1e1d32330]: 
/lib/x86_64-linux-gnu/libc.so.6(wait4+0x15) [0x79a1e1dfd7d5]: 
/usr/games/crawl-0.30(_Z8call_gdbP8_IO_FILE+0xec) [0x60acdfba74cc]: call_gdb(_IO_FILE*)
/usr/games/crawl-0.30(_Z13do_crash_dumpv+0x458) [0x60acdfbb4dc8]: do_crash_dump()
/usr/games/crawl-0.30(_Z20crash_signal_handleri+0x1fa) [0x60acdfba72fa]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x79a1e1d32330]: 
/lib/x86_64-linux-gnu/libc.so.6(isspace+0x12) [0x79a1e1d286a2]: 
/usr/games/crawl-0.30(_Z18prompt_invent_itemPKc9menu_typei15operation_types13enum_bitfieldI14invprompt_flagLin1EEcS0_Pi+0x1e5) [0x60acdfd90aa5]: prompt_invent_item(char const*, menu_type, int, operation_types, enum_bitfield<invprompt_flag, -1>, char, char const*, int*)
/usr/games/crawl-0.30(_Z19fire_item_no_quiverP4dist+0x237) [0x60ace01b44f7]: fire_item_no_quiver(dist*)
/usr/games/crawl-0.30(+0xb2d5f3) [0x60ace029b5f3]: 
/usr/games/crawl-0.30(+0xb2e065) [0x60ace029c065]: 
/usr/games/crawl-0.30(main+0x1f7) [0x60acdfaf0787]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x79a1e1d171ca]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x79a1e1d1728b]: 
/usr/games/crawl-0.30(_start+0x25) [0x60acdfaf11a5]: