Obtained 17 stack frames.
/usr/games/crawl-0.19(_Z17write_stack_traceP8_IO_FILEi+0x23) [0x679ae3]: write_stack_trace(_IO_FILE*, int)
/usr/games/crawl-0.19(_Z20crash_signal_handleri+0x174) [0x679e54]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x33060) [0x7f0d4c34a060]: 
/usr/games/crawl-0.19(_Z23raw_feature_descriptionRK9coord_def+0x4b) [0x6db2db]: raw_feature_description(coord_def const&)
/usr/games/crawl-0.19(_Z13do_crash_dumpv+0xdd8) [0x6812c8]: do_crash_dump()
/usr/games/crawl-0.19(_Z20crash_signal_handleri+0x74) [0x679d54]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x33060) [0x7f0d4c34a060]: 
/usr/games/crawl-0.19() [0xaf9dcd]
/usr/games/crawl-0.19() [0xafd570]
/usr/games/crawl-0.19(_Z8tag_readR6reader8tag_type+0xad0) [0xaff7b0]: tag_read(reader&, tag_type)
/usr/games/crawl-0.19() [0x72ce14]
/usr/games/crawl-0.19(_Z10load_level20dungeon_feature_type14load_mode_typeRK8level_id+0x1aaf) [0x7325cf]: load_level(dungeon_feature_type, load_mode_type, level_id const&)
/usr/games/crawl-0.19(_Z12startup_stepv+0x8bc) [0xad14ec]: startup_step()
/usr/games/crawl-0.19() [0xbbb706]
/usr/games/crawl-0.19(main+0x2eb) [0x5e6cab]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf1) [0x7f0d4c3372e1]: 
/usr/games/crawl-0.19() [0x5e725d]