~$ gdb vlc
GNU gdb (Ubuntu 8.2-0ubuntu1~16.04.1) 8.2
Copyright (C) 2018 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".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
    <http://www.gnu.org/software/gdb/documentation/>.

For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from vlc...(no debugging symbols found)...done.
(gdb) run
Starting program: /usr/bin/vlc
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
VLC media player 3.0.6 Vetinari (revision 3.0.6-0-g5803e85f73)

Program received signal SIGSEGV, Segmentation fault.
0x0000000000002e20 in ?? ()
(gdb) bt
#0  0x0000000000002e20 in ?? ()
#1  0x00007ffff7de76ca in call_init (l=<optimized out>, argc=argc@entry=1, argv=argv@entry=0x7fffffffe518, env=env@entry=0x7fffffffe528) at dl-init.c:72
#2  0x00007ffff7de77db in call_init (env=0x7fffffffe528, argv=0x7fffffffe518, argc=1, l=<optimized out>) at dl-init.c:30
#3  _dl_init (main_map=main_map@entry=0x1002ca020, argc=1, argv=0x7fffffffe518, env=0x7fffffffe528) at dl-init.c:120
#4  0x00007ffff7dec8f2 in dl_open_worker (a=a@entry=0x7fffffffd620) at dl-open.c:575
#5  0x00007ffff7de7574 in _dl_catch_error (objname=objname@entry=0x7fffffffd610, errstring=errstring@entry=0x7fffffffd618, mallocedp=mallocedp@entry=0x7fffffffd60f, operate=operate@entry=0x7ffff7dec4e0 <dl_open_worker>, args=args@entry=0x7fffffffd620) at dl-error.c:187
#6  0x00007ffff7debdb9 in _dl_open (file=0x1002c9f80 "/usr/lib/x86_64-linux-gnu/alsa-lib/libasound_module_conf_pulse.so", mode=-2147483646, caller_dlopen=0x7ffff26e2b20 <snd_dlopen+160>, nsid=-2, argc=<optimized out>, argv=<optimized out>, env=0x7fffffffe528) at dl-open.c:660
#7  0x00007ffff7790f09 in dlopen_doit (a=a@entry=0x7fffffffd850) at dlopen.c:66
#8  0x00007ffff7de7574 in _dl_catch_error (objname=0x100204050, errstring=0x100204058, mallocedp=0x100204048, operate=0x7ffff7790eb0 <dlopen_doit>, args=0x7fffffffd850) at dl-error.c:187
#9  0x00007ffff7791571 in _dlerror_run (operate=operate@entry=0x7ffff7790eb0 <dlopen_doit>, args=args@entry=0x7fffffffd850) at dlerror.c:163
#10 0x00007ffff7790fa1 in __dlopen (file=<optimized out>, mode=<optimized out>) at dlopen.c:87
#11 0x00007ffff26e2b20 in snd_dlopen () from /usr/lib/x86_64-linux-gnu/libasound.so.2
#12 0x00007ffff26de163 in ?? () from /usr/lib/x86_64-linux-gnu/libasound.so.2
#13 0x00007ffff26dee06 in snd_config_searcha_hooks () from /usr/lib/x86_64-linux-gnu/libasound.so.2
#14 0x00007ffff26def01 in snd_config_searchva_hooks () from /usr/lib/x86_64-linux-gnu/libasound.so.2
#15 0x00007ffff26df016 in ?? () from /usr/lib/x86_64-linux-gnu/libasound.so.2
#16 0x00007ffff26dda56 in snd_config_search_definition () from /usr/lib/x86_64-linux-gnu/libasound.so.2
#17 0x00007ffff26e4adf in ?? () from /usr/lib/x86_64-linux-gnu/libasound.so.2
#18 0x00007ffff26e5bad in snd_device_name_hint () from /usr/lib/x86_64-linux-gnu/libasound.so.2
#19 0x00007ffff4dd0f82 in ?? () from /usr/lib/x86_64-linux-gnu/vlc/plugins/audio_output/libalsa_plugin.so
#20 0x00007ffff4dd138c in ?? () from /usr/lib/x86_64-linux-gnu/vlc/plugins/audio_output/libalsa_plugin.so
#21 0x00007ffff70e125e in ?? () from /usr/lib/x86_64-linux-gnu/libvlccore.so.9
#22 0x00007ffff70e1832 in vlc_module_load () from /usr/lib/x86_64-linux-gnu/libvlccore.so.9
#23 0x00007ffff713135b in ?? () from /usr/lib/x86_64-linux-gnu/libvlccore.so.9
#24 0x00007ffff7121304 in input_resource_GetAout () from /usr/lib/x86_64-linux-gnu/libvlccore.so.9
#25 0x00007ffff70ec439 in ?? () from /usr/lib/x86_64-linux-gnu/libvlccore.so.9
#26 0x00007ffff70e8a98 in libvlc_InternalAddIntf () from /usr/lib/x86_64-linux-gnu/libvlccore.so.9
#27 0x00007ffff71710c5 in ?? () from /usr/lib/x86_64-linux-gnu/libvlccore.so.9
#28 0x00007ffff70cac6a in libvlc_InternalInit () from /usr/lib/x86_64-linux-gnu/libvlccore.so.9
#29 0x00007ffff7bb91ee in libvlc_new () from /usr/lib/x86_64-linux-gnu/libvlc.so.5
#30 0x000000010000131b in ?? ()
#31 0x00007ffff73e6830 in __libc_start_main (main=0x1000011a0, argc=1, argv=0x7fffffffe518, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffffffe508) at ../csu/libc-start.c:291
#32 0x0000000100001569 in ?? ()