Thread 2 (Thread 0x7ff68e376700 (LWP 31078)):
#0  0x00007ff6a0b653cb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x0000000000501b41 in __ast_cond_timedwait (filename=0x5b3fb4 "audiohook.c", lineno=933, func=0x5b4310 "ast_audiohook_trigger_wait", cond_name=0x5b4000 "&audiohook->trigger", mutex_name=0x5b3fef "&audiohook->lock", cond=0x7ff68e36aa68, t=0x7ff68e36aa30, abstime=0x7ff68e36a870) at lock.c:650
#2  0x0000000000456f0b in ast_audiohook_trigger_wait (audiohook=0x7ff68e36aa30) at audiohook.c:933
#3  0x000000000045539e in ast_audiohook_detach (audiohook=0x7ff68e36aa30) at audiohook.c:502
#4  0x00007ff6915998a6 in channel_spy (chan=0x2e13a30, spyee_autochan=0x2d5b468, volfactor=0x7ff68e36f26c, fd=0, user_options=0x7ff68e370340, flags=0x7ff68e370320, exitcontext=0x7ff68e370180 "") at app_chanspy.c:720
#5  0x00007ff69159a979 in common_exec (chan=0x2e13a30, flags=0x7ff68e370320, volfactor=0, fd=0, user_options=0x7ff68e370340, mygroup=0x0, myenforced=0x0, spec=0x7ff68e370220 "Local/s@phones", exten=0x0, context=0x0, mailbox=0x0, name_context=0x0) at app_chanspy.c:982
#6  0x00007ff69159b431 in chanspy_exec (chan=0x2e13a30, data=0x7ff68e371990 "Local/s@phones,qs") at app_chanspy.c:1139
#7  0x00000000005244e3 in pbx_exec (c=0x2e13a30, app=0x2d77498, data=0x7ff68e371990 "Local/s@phones,qs") at pbx.c:1551
#8  0x000000000052ecc0 in pbx_extension_helper (c=0x2e13a30, con=0x0, context=0x2e14318 "incoming", exten=0x2e14368 "supervisor", priority=1, label=0x0, callerid=0x2e17408 "supervisor", action=E_SPAWN, found=0x7ff68e375c64, combined_find_spawn=1) at pbx.c:4390
#9  0x0000000000530c5f in ast_spawn_extension (c=0x2e13a30, context=0x2e14318 "incoming", exten=0x2e14368 "supervisor", priority=1, callerid=0x2e17408 "supervisor", found=0x7ff68e375c64, combined_find_spawn=1) at pbx.c:5053
#10 0x000000000053154b in __ast_pbx_run (c=0x2e13a30, args=0x0) at pbx.c:5149
#11 0x00000000005332a3 in pbx_thread (data=0x2e13a30) at pbx.c:5489
#12 0x000000000058fcb2 in dummy_start (data=0x2e273c8) at utils.c:1010
#13 0x00007ff6a0b60efc in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#14 0x00007ff6a1e5a89d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#15 0x0000000000000000 in ?? ()