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*** Fatal Error ***
Address not mapped to object (signal 11)
Address: (nil)

System: Linux f0xb0x2 4.15.12-041512-generic #201803211230 SMP Wed Mar 21 12:32:19 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux

GZDoom version g3.3.0 (0a85d658c9504c9ab32bff85ab0d87c63f2b6cec)
Compiler version: 7.2.0

Command line: /opt/gzdoom/gzdoom -IWAD DOOM2.WAD

Wad 0: gzdoom.pk3
Wad 1: zd_extra.pk3
Wad 2: DOOM2.WAD

Not in a level.

Executing: gdb --quiet --batch --command=gdb-respfile-wU0WA8
[New LWP 31754]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f92b4e263a7 in __waitpid (pid=31779, stat_loc=0x55708a11ce34, options=0) at ../sysdeps/unix/sysv/linux/waitpid.c:29

* Loaded Libraries
From                To                  Syms Read   Shared Object Library
0x00007f92b504f1f0  0x00007f92b50f599c  Yes (*)     /usr/lib/x86_64-linux-gnu/libSDL2-2.0.so.0
0x00007f92b4e19b50  0x00007f92b4e282f1  Yes         /lib/x86_64-linux-gnu/libpthread.so.0
0x00007f92b4c0e1b0  0x00007f92b4c116c6  Yes         /lib/x86_64-linux-gnu/librt.so.1
0x00007f92b49f0f90  0x00007f92b4a04640  Yes (*)     /lib/x86_64-linux-gnu/libz.so.1
0x00007f92b47e0360  0x00007f92b47ec0b2  Yes (*)     /lib/x86_64-linux-gnu/libbz2.so.1.0
0x00007f92b45dbe50  0x00007f92b45dcb7e  Yes         /lib/x86_64-linux-gnu/libdl.so.2
0x00007f92b428d890  0x00007f92b4336995  Yes         /lib/x86_64-linux-gnu/libm.so.6
0x00007f92b3ec1790  0x00007f92b4030edc  Yes         /lib/x86_64-linux-gnu/libc.so.6
0x00007f92b533bd20  0x00007f92b535b340  Yes         /lib64/ld-linux-x86-64.so.2
0x00007f92b3bc3f80  0x00007f92b3c5acaf  Yes (*)     /usr/lib/x86_64-linux-gnu/libasound.so.2
0x00007f92b3954b10  0x00007f92b3981642  Yes (*)     /usr/lib/x86_64-linux-gnu/libpulse.so.0
0x00007f92b373bbc0  0x00007f92b3742317  Yes (*)     /usr/lib/x86_64-linux-gnu/libsndio.so.6.1
0x00007f92b3418810  0x00007f92b349fe94  Yes (*)     /usr/lib/x86_64-linux-gnu/libX11.so.6
0x00007f92b31f1590  0x00007f92b31fb39f  Yes (*)     /usr/lib/x86_64-linux-gnu/libXext.so.6
0x00007f92b2fe6380  0x00007f92b2feae00  Yes (*)     /usr/lib/x86_64-linux-gnu/libXcursor.so.1
0x00007f92b2de1af0  0x00007f92b2de23ec  Yes (*)     /usr/lib/x86_64-linux-gnu/libXinerama.so.1
0x00007f92b2bd3180  0x00007f92b2bdd9d7  Yes (*)     /usr/lib/x86_64-linux-gnu/libXi.so.6
0x00007f92b29c7c00  0x00007f92b29cdcf5  Yes (*)     /usr/lib/x86_64-linux-gnu/libXrandr.so.2
0x00007f92b27c2cd0  0x00007f92b27c3a8c  Yes (*)     /usr/lib/x86_64-linux-gnu/libXss.so.1
0x00007f92b25bcfc0  0x00007f92b25bf8c8  Yes (*)     /usr/lib/x86_64-linux-gnu/libXxf86vm.so.1
0x00007f92b23ba640  0x00007f92b23ba836  Yes (*)     /usr/lib/x86_64-linux-gnu/libwayland-egl.so.1
0x00007f92b21b0010  0x00007f92b21b498f  Yes (*)     /usr/lib/x86_64-linux-gnu/libwayland-client.so.0
0x00007f92b1fa4190  0x00007f92b1fa5caf  Yes (*)     /usr/lib/x86_64-linux-gnu/libwayland-cursor.so.0
0x00007f92b1d67f40  0x00007f92b1d8291a  Yes (*)     /usr/lib/x86_64-linux-gnu/libxkbcommon.so.0
0x00007f92b1af7e60  0x00007f92b1b3c978  Yes (*)     /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
0x00007f92b18a4cb0  0x00007f92b18cfb64  Yes (*)     /lib/x86_64-linux-gnu/libdbus-1.so.3
0x00007f92b1688430  0x00007f92b169547f  Yes (*)     /lib/x86_64-linux-gnu/libbsd.so.0
0x00007f92b1469150  0x00007f92b147b405  Yes (*)     /usr/lib/x86_64-linux-gnu/libxcb.so.1
0x00007f92b1255a60  0x00007f92b125bab5  Yes (*)     /usr/lib/x86_64-linux-gnu/libXrender.so.1
0x00007f92b104f540  0x00007f92b1051876  Yes (*)     /usr/lib/x86_64-linux-gnu/libXfixes.so.3
0x00007f92b0e47780  0x00007f92b0e4c074  Yes (*)     /usr/lib/x86_64-linux-gnu/libffi.so.6
0x00007f92b0bcdd80  0x00007f92b0c25c54  Yes (*)     /lib/x86_64-linux-gnu/libsystemd.so.0
0x00007f92b09b9a50  0x00007f92b09bd5b4  Yes (*)     /lib/x86_64-linux-gnu/libwrap.so.0
0x00007f92b0744700  0x00007f92b0795375  Yes (*)     /usr/lib/x86_64-linux-gnu/libsndfile.so.1
0x00007f92b05391d0  0x00007f92b053b848  Yes (*)     /usr/lib/x86_64-linux-gnu/libasyncns.so.0
0x00007f92b0334e50  0x00007f92b0335acc  Yes (*)     /usr/lib/x86_64-linux-gnu/libXau.so.6
0x00007f92b012f110  0x00007f92b0130a18  Yes (*)     /usr/lib/x86_64-linux-gnu/libXdmcp.so.6
0x00007f92afe2ae80  0x00007f92afeeae78  Yes (*)     /lib/x86_64-linux-gnu/libgcrypt.so.20
0x00007f92afbfc8e0  0x00007f92afc133e2  Yes (*)     /lib/x86_64-linux-gnu/liblzma.so.5
0x00007f92af9e3e10  0x00007f92af9f6e2b  Yes (*)     /usr/lib/x86_64-linux-gnu/liblz4.so.1
0x00007f92af7c0210  0x00007f92af7d74cf  Yes (*)     /lib/x86_64-linux-gnu/libselinux.so.1
0x00007f92af5a4040  0x00007f92af5b1927  Yes         /lib/x86_64-linux-gnu/libnsl.so.1
0x00007f92af331170  0x00007f92af3942db  Yes (*)     /usr/lib/x86_64-linux-gnu/libFLAC.so.8
0x00007f92af121a70  0x00007f92af125c05  Yes (*)     /usr/lib/x86_64-linux-gnu/libogg.so.0
0x00007f92aeef7ce0  0x00007f92aef0daa2  Yes (*)     /usr/lib/x86_64-linux-gnu/libvorbis.so.0
0x00007f92aec5fa00  0x00007f92aec6212c  Yes (*)     /usr/lib/x86_64-linux-gnu/libvorbisenc.so.2
0x00007f92aea35830  0x00007f92aea44d92  Yes         /lib/x86_64-linux-gnu/libresolv.so.2
0x00007f92ae81fa50  0x00007f92ae829ca9  Yes (*)     /lib/x86_64-linux-gnu/libgpg-error.so.0
0x00007f92ae5ab520  0x00007f92ae5fd31d  Yes (*)     /lib/x86_64-linux-gnu/libpcre.so.3
0x00007f92ae3906d0  0x00007f92ae3a1ff3  Yes (*)     /lib/x86_64-linux-gnu/libudev.so.1
0x00007f92ae0f9eb0  0x00007f92ae13a8ec  Yes (*)     /usr/lib/x86_64-linux-gnu/libopenal.so.1
(*): Shared library is missing debugging information.

* Threads
  Id   Target Id         Frame
* 1    Thread 0x7f92b5505140 (LWP 31663) "gzdoom" 0x00007f92b4e263a7 in __waitpid (pid=31779, stat_loc=0x55708a11ce34, options=0) at ../sysdeps/unix/sysv/linux/waitpid.c:29
  2    Thread 0x7f92b5559940 (LWP 31754) "gzdoom" 0x00007f92b4c112ea in timer_helper_thread (arg=<optimized out>) at ../sysdeps/unix/sysv/linux/timer_routines.c:89

* FPU Status
  R7: Empty   0x00000000000000000000
  R6: Empty   0x00000000000000000000
  R5: Empty   0x00000000000000000000
  R4: Empty   0x00000000000000000000
  R3: Empty   0x00000000000000000000
  R2: Empty   0x00000000000000000000
  R1: Empty   0x00000000000000000000
=>R0: Empty   0x00000000000000000000

Status Word:         0x0000
                       TOP: 0
Control Word:        0x037f   IM DM ZM OM UM PM
                       PC: Extended Precision (64-bits)
                       RC: Round to nearest
Tag Word:            0xffff
Instruction Pointer: 0x00:0x00000000
Operand Pointer:     0x00:0x00000000
Opcode:              0x0000

* Registers
rax            0xfffffffffffffe00   -512
rbx            0x55708a11ce34   93941841120820
rcx            0x7f92b4e263a7   140268076688295
rdx            0x0  0
rsi            0x55708a11ce34   93941841120820
rdi            0x7c23   31779
rbp            0xb  0xb
rsp            0x55708a11ce10   0x55708a11ce10
r8             0x0  0
r9             0x0  0
r10            0x0  0
r11            0x246    582
r12            0x55708a11ce34   93941841120820
r13            0x1090   4240
r14            0x55708a11a300   93941841109760
r15            0x8  8
rip            0x7f92b4e263a7   0x7f92b4e263a7 <__waitpid+87>
eflags         0x246    [ PF ZF IF ]
cs             0x33 51
ss             0x2b 43
ds             0x0  0
es             0x0  0
fs             0x0  0
gs             0x0  0

* Backtrace

Thread 2 (Thread 0x7f92b5559940 (LWP 31754)):
#0  0x00007f92b4c112ea in timer_helper_thread (arg=<optimized out>) at ../sysdeps/unix/sysv/linux/timer_routines.c:89
        resultvar = <optimized out>
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
        si = {si_signo = 32, si_errno = 0, si_code = -2, __pad0 = 0, _sifields = {_pad = {1, 0, -1942940544, 21872, 69, 0 <repeats 23 times>}, _kill = {si_pid = 1, si_uid = 0}, _timer = {si_tid = 1, si_overrun = 0, si_sigval = {sival_int = -1942940544, sival_ptr = 0x55708c311480}}, _rt = {si_pid = 1, si_uid = 0, si_sigval = {sival_int = -1942940544, sival_ptr = 0x55708c311480}}, _sigchld = {si_pid = 1, si_uid = 0, si_status = -1942940544, si_utime = 69, si_stime = 0}, _sigfault = {si_addr = 0x1, si_addr_lsb = 5248, _bounds = {_addr_bnd = {_lower = 0x45, _upper = 0x0}, _pkey = 69}}, _sigpoll = {si_band = 1, si_fd = -1942940544}, _sigsys = {_call_addr = 0x1, _syscall = -1942940544, _arch = 21872}}}
        ss = {__val = {2147483648, 0 <repeats 15 times>}}
#1  0x00007f92b4e1b659 in start_thread (arg=0x7f92b5559940) at pthread_create.c:465
        pd = 0x7f92b5559940
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140268084238656, -6399582480834399789, 140268084236288, 140727039890320, 0, 0, 6347110129341395411, 6347107208522461651}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#2  0x00007f92b3fbb38f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 1 (Thread 0x7f92b5505140 (LWP 31663)):
#0  0x00007f92b4e263a7 in __waitpid (pid=31779, stat_loc=0x55708a11ce34, options=0) at ../sysdeps/unix/sysv/linux/waitpid.c:29
        resultvar = 18446744073709551104
        sc_cancel_oldtype = 0
#1  0x00005570894bdc7c in ?? ()
No symbol table info available.
#2  <signal handler called>
No locals.
#3  0x0000000000000000 in ?? ()
No symbol table info available.
#4  0x00007f92ae111f5e in ?? () from /usr/lib/x86_64-linux-gnu/libopenal.so.1
No symbol table info available.
#5  0x00007f92ae114654 in alcGetString () from /usr/lib/x86_64-linux-gnu/libopenal.so.1
No symbol table info available.
#6  0x0000557089687b9d in I_BuildALDeviceList(FOptionValues*) ()
No symbol table info available.
#7  0x0000557089aa5181 in M_CreateMenus() ()
No symbol table info available.
#8  0x00005570897e6d03 in D_DoomMain() ()
No symbol table info available.
#9  0x00005570894a3c24 in main ()
No symbol table info available.