ASSERT(xp >= 0) in 'player.cc' at line 2808 failed.

Version: Dungeon Crawl Stone Soup 5.4-101-gcf516dc
Platform: unix
Bits: 64
Game mode: normal
Tiles: online

Command line: /usr/games/crawl-hellcrawl-cbro -name advil -rc /dgldir/rcfiles/crawl-git/advil.rc -macro /dgldir/rcfiles/crawl-git/advil.macro -webtiles-socket /crawl-master/webserver/sockets/advil:dcss-hellcrawl-cbro.sock -morgue /dgldir/morgue/advil/ -wizard

RC options:
restart_after_game = false


Crash caused by signal #6: Aborted

Obtained 19 stack frames.
/usr/games/crawl-hellcrawl-cbro(_Z17write_stack_traceP8_IO_FILEi+0x23) [0x5cc453]: write_stack_trace(_IO_FILE*, int)
/usr/games/crawl-hellcrawl-cbro(_Z13do_crash_dumpv+0x2f2) [0x5d37d2]: do_crash_dump()
/usr/games/crawl-hellcrawl-cbro(_Z20crash_signal_handleri+0x9c) [0x5cc6ec]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x364c0) [0x7f3f6a2d84c0]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0x2b) [0x7f3f6a66eb7b]: 
/usr/games/crawl-hellcrawl-cbro() [0x5d2f89]
/usr/games/crawl-hellcrawl-cbro() [0x5d3251]
/usr/games/crawl-hellcrawl-cbro() [0x977162]
/usr/games/crawl-hellcrawl-cbro() [0x5f01d3]
/usr/games/crawl-hellcrawl-cbro() [0x5f2292]
/usr/games/crawl-hellcrawl-cbro(_Z20get_item_descriptionRK8item_defbbb+0x21bd) [0x5ffded]: get_item_description(item_def const&, bool, bool, bool)
/usr/games/crawl-hellcrawl-cbro(_Z13describe_itemR8item_defSt8functionIFvRSsEE+0xba) [0x600aea]: describe_item(item_def&, std::function<void (std::string&)>)
/usr/games/crawl-hellcrawl-cbro(_Z17display_inventoryv+0xb7) [0x744d27]: display_inventory()
/usr/games/crawl-hellcrawl-cbro(_Z15process_command12command_type+0x14b9) [0xba8819]: process_command(command_type)
/usr/games/crawl-hellcrawl-cbro() [0xbaa6e9]
/usr/games/crawl-hellcrawl-cbro() [0xbab3bd]
/usr/games/crawl-hellcrawl-cbro(main+0x2eb) [0xbaea9b]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xed) [0x7f3f6a2c376d]: 
/usr/games/crawl-hellcrawl-cbro() [0x5343a9]

Trying to run gdb.
GNU gdb (Ubuntu/Linaro 7.4-2012.02-0ubuntu2) 7.4-2012.02
Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
For bug reporting instructions, please see:
<http://bugs.launchpad.net/gdb-linaro/>.
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f3f6a66e84e in waitpid () from /lib/x86_64-linux-gnu/libpthread.so.0
#0  0x00007f3f6a66e84e in waitpid () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#1  0x00000000005ccb5b in call_gdb(_IO_FILE*) ()
No symbol table info available.
#2  0x00000000005d37f2 in do_crash_dump() ()
No symbol table info available.
#3  0x00000000005cc6ec in crash_signal_handler(int) ()
No symbol table info available.
#4  <signal handler called>
No symbol table info available.
#5  0x00007f3f6a66eb7b in raise () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#6  0x00000000005d2f89 in ?? ()
No symbol table info available.
#7  0x00000000005d3251 in AssertFailed(char const*, char const*, int, char const*, ...) ()
No symbol table info available.
#8  0x0000000000977162 in xp_to_level_diff(int, int) ()
No symbol table info available.
#9  0x00000000005f01d3 in ?? ()
No symbol table info available.
#10 0x00000000005f2292 in ?? ()
No symbol table info available.
#11 0x00000000005ffded in get_item_description(item_def const&, bool, bool, bool) ()
No symbol table info available.
#12 0x0000000000600aea in describe_item(item_def&, std::function<void (std::string&)>) ()
No symbol table info available.
#13 0x0000000000744d27 in display_inventory() ()
No symbol table info available.
#14 0x0000000000ba8819 in process_command(command_type) ()
No symbol table info available.
#15 0x0000000000baa6e9 in ?? ()
No symbol table info available.
#16 0x0000000000bab3bd in ?? ()
No symbol table info available.
#17 0x0000000000baea9b in main ()
No symbol table info available.

Compilation info:
<<<<<<<<<<<
Compiled with GCC 4.7.3 on Mar  4 2018 at 19:40:40
Build platform: x86_64-linux-gnu
Platform: x86_64-linux-gnu
CFLAGS: -O2 -pipe -DUSE_TILE -DUSE_TILE_WEB -DEXPERIMENTAL_BRANCH="hellcrawl-cbro" -Wall -Wformat-security -Wundef -Wno-array-bounds -Wno-format-zero-length -Wmissing-declarations -Wredundant-decls -Wno-parentheses -Wwrite-strings -Wshadow -pedantic -Wuninitialized -Iutil -I. -isystem /usr/include/lua5.1 -Irltiles -g -DWIZARD -DASSERTS -DREGEX_PCRE -DCLUA_BINDINGS -DDGAMELAUNCH -DSAVE_DIR_PATH="/crawl-master/crawl-hellcrawl-cbro/saves" -DDATA_DIR_PATH="/crawl-master/crawl-hellcrawl-cbro/data/" -DWEB_DIR_PATH="/crawl-master/crawl-hellcrawl-cbro/data/web/" -isystem /usr/include/ncursesw
LDFLAGS: -rdynamic -fuse-ld=gold -O2 
>>>>>>>>>>>

Place info:
branch = 0, depth = 1

Level id: D:1
Level build method = random_map_for_place, level layout type  = rooms, absdepth0 = 0
Level vaults:
    lightli_arrival_windingriver
    layout_basic

Markers:
<<<<<<<<<<<<<<<<<<<<<<
Marker 0 at (16, 26): feature (stone_stairs_up_i)
>>>>>>>>>>>>>>>>>>>>>>

Messages:
<<<<<<<<<<<<<<<<<<<<<<




































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































Welcome, advil the Deep Elf Fire Elementalist.
You are playing on Normal difficulty. 
Will you be the one to retrieve the fabulous Orb of Zot from the depths?
Press ? for a list of commands and other information.
WARNING: ABOUT TO ENTER WIZARD MODE!
If you continue, your game will not be scored!
Do you really want to enter wizard mode? (Confirm with "yes".) 
Enter Wizard Command (? - help): 
Okay, then.
Enter Wizard Command (? - help): 
) - weapons     ( - missiles  [ - armour  / - wands    ?  - scrolls
= - jewellery   ! - potions   : - books   | - staves   }  - miscellany
X - corpses     % - food      $ - gold    0  - the Orb
ESC - exit
What class of item? [
What type of item? shield
+0 shield
What ego type? 
Something appears at your feet!
b - a +0 shield
Enter Wizard Command (? - help): 
Which skill (by name)? shields
Shields
To what level? 10
Increased Shields to skill level 10.0.
Save game and exit? 
Welcome back, advil the Deep Elf Fire Elementalist.
You are playing on Normal difficulty. 
Press ? for a list of commands and other information.
Wear which item (? for menu, Esc to quit)
Okay, then.
Enter Wizard Command (? - help): 
Which skill (by name)? shields
Shields
To what level? 14.9
Increased Shields to skill level 14.9.

>>>>>>>>>>>>>>>>>>>>>>

Game state:

mouse_enabled: 0, waiting_for_command: 0, terminal_resized: 0
io_inited: 1, need_save: 1, saving_game: 0, updating_scores: 0:
seen_hups: 0, map_stat_gen: 0, type: 1, arena_suspended: 0

prev_cmd = CMD_DISPLAY_INVENTORY
repeat_cmd = CMD_NO_CMD

Player:
{{{{{{{{{{{
Name:    [advil]
Species: Deep Elf
Job:     Fire Elementalist

HP: 10/10; mods: 0/0
MP: 6/6; mod: 0
Stats: 5 (5) 19 (19) 15 (15)
Position: (18, 27), god: No God (0), turn_is_over: 0, banished: 0
Standing on/in/over feature: floor

Skills (mode: auto)
Name            | can_train | train | training | level | points | progress
Fighting        |     X     |   1   |     0    |    0  |      0 | 0/70
Blades          |     X     |   1   |     0    |    0  |      0 | 0/50
Axes            |     X     |   1   |     0    |    0  |      0 | 0/70
Maces & Staves  |     X     |   1   |     0    |    0  |      0 | 0/59
Polearms        |     X     |   1   |     0    |    0  |      0 | 0/84
Bows & Xbows    |     X     |   1   |     0    |    0  |      0 | 0/42
Throwing        |     X     |   1   |     0    |    0  |      0 | 0/50
Armour          |     X     |   1   |     0    |    0  |      0 | 0/70
Dodging         |     X     |   1   |    15    |    2  |    151 | 45/106
Stealth         |     X     |   1   |     9    |    2  |    127 | 38/89
Shields         |     X     |   1   |     0    |   14  |   9822 | 1337/1485
Unarmed Combat  |     X     |   1   |     0    |    0  |      0 | 0/70
Spellcasting    |     X     |   1   |    19    |    3  |    179 | 1/119
Hexes           |     X     |   1   |     0    |    0  |      0 | 0/29
Charms          |     X     |   1   |     0    |    0  |      0 | 0/25
Summonings      |     X     |   1   |     0    |    0  |      0 | 0/42
Necromancy      |     X     |   1   |     0    |    0  |      0 | 0/35
Translocations  |     X     |   1   |     0    |    0  |      0 | 0/42
Transmutations  |     X     |   1   |     0    |    0  |      0 | 0/42
Fire Magic      |     X     |   1   |    57    |    3  |    301 | 49/168
Ice Magic       |     X     |   1   |     0    |    0  |      0 | 0/42
Air Magic       |     X     |   1   |     0    |    0  |      0 | 0/50
Earth Magic     |     X     |   1   |     0    |    0  |      0 | 0/42
Invocations     |     X     |   1   |     0    |    0  |      0 | 0/42
Evocations      |     X     |   1   |     0    |    0  |      0 | 0/42

Spell bugs:

Durations:

Attributes:
    #49: 49
    #59: 1

Mutations:

Inventory bugs:

Equipment:
    eq slot #6, inv slot #0: +0 robe

}}}}}}}}}}}

Webtiles message buffer: 
Webtiles JSON stack:

Screenshot:
##########
#∩.P≈≈≈≈≈#
###@.≈≈≈≈#
 #P.≈≈≈≈P#
 #.≈≈≈≈≈P#
 #≈.≈≈≈≈≈#
 ##.≈≈≈≈≈#
  .≈≈≈≈PP#
  ≈≈≈≈PPP#
  .≈≈≈≈≈≈#

clua stack:


dlua stack:


Lua persistent data:
<<<<<<<<<<<<<<<<<<<<<<
>>>>>>>>>>>>>>>>>>>>>>

Lua marker contents:
<<<<<<<<<<<<<<<<<<<<<<
>>>>>>>>>>>>>>>>>>>>>>