alsamixer Segmentation fault.

(gdb) bt
#0  do_lookup_x (new_hash=2488895455, old_hash=0x7fffffffde68, result=0x7fffffffde50, scope=<value optimized out>, i=1, flags=2, skip=0x0, undef_map=0x7ffff7fd39d0) at dl-lookup.c:124
#1  0x000000313ee09b52 in _dl_lookup_symbol_x (undef_name=0x7fffffffe150 "_snd_func_getenv_dlsym_config_evaluate_001", undef_map=0x7ffff7fd39d0, ref=0x7fffffffdf60, symbol_scope=0x7ffff7fd3d58, version=0x0, type_class=0, flags=2, skip_map=0x0) at dl-lookup.c:739
#2  0x000000313f318baa in do_sym (handle=<value optimized out>, name=0x7fffffffe150 "_snd_func_getenv_dlsym_config_evaluate_001", who=<value optimized out>, vers=<value optimized out>, flags=2) at dl-sym.c:178
#3  0x000000313fa010c4 in dlsym_doit (a=0x7fffffffe110) at dlsym.c:51
#4  0x000000313ee0e4c6 in _dl_catch_error (objname=0x6134a0, errstring=0x6134a8, mallocedp=0x613498, operate=0x313fa010b0 <dlsym_doit>, args=0x7fffffffe110) at dl-error.c:178
#5  0x000000313fa012dc in _dlerror_run (operate=0x313fa010b0 <dlsym_doit>, args=0x7fffffffe110) at dlerror.c:164
#6  0x000000313fa0107a in __dlsym (handle=<value optimized out>, name=<value optimized out>) at dlsym.c:71
#7  0x00000037cb838353 in ?? () from /lib64/libasound.so.2
#8  0x00000037cb8383dd in snd_dlsym () from /lib64/libasound.so.2
#9  0x00000037cb8342d2 in ?? () from /lib64/libasound.so.2
#10 0x00000037cb82e771 in ?? () from /lib64/libasound.so.2
#11 0x00000037cb82e7bd in ?? () from /lib64/libasound.so.2
#12 0x00000037cb832993 in snd_config_expand () from /lib64/libasound.so.2
#13 0x00000037cb83409e in snd_config_search_definition () from /lib64/libasound.so.2
#14 0x00000037cb8400e5 in ?? () from /lib64/libasound.so.2
#15 0x00000037cb83cdcb in snd_hctl_open () from /lib64/libasound.so.2
#16 0x00000037cb846add in snd_mixer_attach () from /lib64/libasound.so.2
#17 0x0000000000408e5d in ?? ()
#18 0x000000000040484e in ?? ()
#19 0x00000000004054c5 in ?? ()
#20 0x0000000000404b36 in ?? ()
#21 0x000000313f21f31d in __libc_start_main (main=0x4048a0, argc=1, ubp_av=0x7fffffffe708, init=<value optimized out>, fini=<value optimized out>, rtld_fini=<value optimized out>, stack_end=0x7fffffffe6f8) at libc-start.c:226
#22 0x00000000004040f9 in ?? ()
#23 0x00007fffffffe6f8 in ?? ()
#24 0x000000000000001c in ?? ()
#25 0x0000000000000001 in ?? ()
#26 0x00007fffffffe933 in ?? ()
#27 0x0000000000000000 in ?? ()
(gdb)