#0  0x00bea7a2 in _dl_sysinfo_int80 () from /lib/ld-linux.so.2
(gdb) bt
#0  0x00bea7a2 in _dl_sysinfo_int80 () from /lib/ld-linux.so.2
#1  0x00c2b825 in raise () from /lib/tls/libc.so.6
#2  0x00c2d289 in abort () from /lib/tls/libc.so.6
#3  0x00c5fcda in __libc_message () from /lib/tls/libc.so.6
#4  0x00c6656f in _int_free () from /lib/tls/libc.so.6
#5  0x00c6694a in free () from /lib/tls/libc.so.6
#6  0x00c6328b in _IO_free_backup_area_internal () from /lib/tls/libc.so.6
#7  0x00c635b4 in __underflow () from /lib/tls/libc.so.6
#8  0x00c62b23 in _IO_file_xsgetn_internal () from /lib/tls/libc.so.6
#9  0x00c639e8 in _IO_sgetn_internal () from /lib/tls/libc.so.6
#10 0x00c57c19 in fread () from /lib/tls/libc.so.6
#11 0x007576cb in wav_read (s=0x9057780, whennext=0x0) at format_wav.c:378
#12 0x0809d026 in ast_readaudio_callback (s=0x9057780) at file.c:717
#13 0x0809d17e in ast_fsread_audio (data=0x0) at file.c:810
#14 0x080f5b3a in ast_sched_runq (con=0x90f8138) at sched.c:363
#15 0x0809f732 in waitstream_core (c=0x90b0c20, breakon=Variable "breakon" is not available.
) at file.c:1308
#16 0x0809fe1c in ast_waitstream (c=0x0, breakon=0x6 "") at file.c:1324
#17 0x00a3c738 in agent_call (ast=0x9088650, dest=0xb66d6496 "5165", timeout=0) at chan_agent.c:764
#18 0x0808055e in ast_call (chan=0x9088650, addr=0x0, timeout=0) at channel.c:3462
#19 0x0051e36b in ring_entry (qe=0xb66d8840, tmp=0x9122dc0, busies=0xb66d67a4) at app_queue.c:1994
#20 0x0051ebbc in ring_one (qe=0xb66d8840, outgoing=0x9122dc0, busies=0xb66d67a4) at app_queue.c:2072
#21 0x0051fea3 in try_calling (qe=0xb66d8840, options=Variable "options" is not available.
) at app_queue.c:2984
#22 0x00525415 in queue_exec (chan=0x92cb970, data=0xb66d8c70) at app_queue.c:4113
#23 0x080c377f in pbx_exec (c=0x92cb970, app=0x8f16490, data=0xb66d8c70)
    at /usr/src/asterisk/asterisk-1.4.27/include/asterisk/strings.h:36
#24 0x00f5e462 in realtime_exec (chan=0x92cb970, context=0x92cbaf0 "default", exten=0x92cbb40 "15165", priority=2, 
    callerid=0x923c4e8 "Unknown", data=0x8f0b5ad "@") at pbx_realtime.c:216
#25 0x080cb238 in pbx_extension_helper (c=0x92cb970, con=Variable "con" is not available.
) at pbx.c:1892
#26 0x080cfae6 in __ast_pbx_run (c=0x92cb970) at pbx.c:2302
#27 0x080d1a1e in pbx_thread (data=0x92cb970) at pbx.c:2619
#28 0x081031c5 in dummy_start (data=0x6) at utils.c:856
#29 0x00d653cc in start_thread () from /lib/tls/libpthread.so.0
#30 0x00ccf96e in clone () from /lib/tls/libc.so.6