Obtained 23 stack frames. /usr/games/crawl-gooncrawl-cbro(_Z17write_stack_traceP8_IO_FILEi+0x23) [0x5d90d3]: write_stack_trace(_IO_FILE*, int) /usr/games/crawl-gooncrawl-cbro(_Z20crash_signal_handleri+0x1a5) [0x5d9465]: crash_signal_handler(int) /lib/x86_64-linux-gnu/libc.so.6(+0x360b0) [0x7fc500d0c0b0]: /usr/games/crawl-gooncrawl-cbro(_Z23raw_feature_descriptionRK9coord_def+0x4b) [0x63f80b]: raw_feature_description(coord_def const&) /usr/games/crawl-gooncrawl-cbro(_Z13do_crash_dumpv+0xea6) [0x5e0de6]: do_crash_dump() /usr/games/crawl-gooncrawl-cbro(_Z20crash_signal_handleri+0x9c) [0x5d935c]: crash_signal_handler(int) /lib/x86_64-linux-gnu/libc.so.6(+0x360b0) [0x7fc500d0c0b0]: /lib/x86_64-linux-gnu/libpthread.so.0(raise+0x2b) [0x7fc5010a6b7b]: /usr/games/crawl-gooncrawl-cbro() [0x5df9e9] /usr/games/crawl-gooncrawl-cbro() [0x5dfcb1] /usr/games/crawl-gooncrawl-cbro(_ZN15CrawlStoreValue4readER6reader+0x643) [0xa8be33]: CrawlStoreValue::read(reader&) /usr/games/crawl-gooncrawl-cbro(_ZN14CrawlHashTable4readER6reader+0x157) [0xa8c3e7]: CrawlHashTable::read(reader&) /usr/games/crawl-gooncrawl-cbro(_Z14unmarshallItemR6readerR8item_def+0x469) [0xa96c49]: unmarshallItem(reader&, item_def&) /usr/games/crawl-gooncrawl-cbro() [0xa99607] /usr/games/crawl-gooncrawl-cbro() [0xa9c197] /usr/games/crawl-gooncrawl-cbro(_Z8tag_readR6reader8tag_type+0x965) [0xa9f2e5]: tag_read(reader&, tag_type) /usr/games/crawl-gooncrawl-cbro() [0x699774] /usr/games/crawl-gooncrawl-cbro(_Z10load_level20dungeon_feature_type14load_mode_typeRK8level_id+0x1472) [0x69f902]: load_level(dungeon_feature_type, load_mode_type, level_id const&) /usr/games/crawl-gooncrawl-cbro(_Z12startup_stepv+0x8de) [0xa6fdee]: startup_step() /usr/games/crawl-gooncrawl-cbro() [0xbd6ce6] /usr/games/crawl-gooncrawl-cbro(main+0x12a) [0xbda89a]: /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xed) [0x7fc500cf77ed]: /usr/games/crawl-gooncrawl-cbro() [0x53a4d9]