Thread 1 (process 29825):
#0  0x00ed6402 in __kernel_vsyscall ()
#1  0x00b77ba0 in raise () from /lib/libc.so.6
#2  0x00b794b1 in abort () from /lib/libc.so.6
#3  0x00baddfb in __libc_message () from /lib/libc.so.6
#4  0x00bb5aa6 in _int_free () from /lib/libc.so.6
#5  0x00bb8fc0 in free () from /lib/libc.so.6
#6  0x08095d98 in ast_var_delete (var=0xb6b03638) at chanvars.c:54
#7  0x08089202 in ast_channel_free (chan=0xb6b0dd38) at channel.c:1163
#8  0x0808a3eb in ast_hangup (chan=0xb6b0dd38) at channel.c:1478
#9  0x080e574c in __ast_pbx_run (c=0xb6b0dd38) at pbx.c:3420
#10 0x080e5a79 in pbx_thread (data=0xb6b0dd38) at pbx.c:3508
#11 0x0812db2d in dummy_start (data=0xb6b0dce0) at utils.c:848
#12 0x00cc545b in start_thread () from /lib/libpthread.so.0
#13 0x00c1d24e in clone () from /lib/libc.so.6

Thread 1 (process 29825):
#0  0x00ed6402 in __kernel_vsyscall ()
No symbol table info available.
#1  0x00b77ba0 in raise () from /lib/libc.so.6
No symbol table info available.
#2  0x00b794b1 in abort () from /lib/libc.so.6
No symbol table info available.
#3  0x00baddfb in __libc_message () from /lib/libc.so.6
No symbol table info available.
#4  0x00bb5aa6 in _int_free () from /lib/libc.so.6
No symbol table info available.
#5  0x00bb8fc0 in free () from /lib/libc.so.6
No symbol table info available.
#6  0x08095d98 in ast_var_delete (var=0xb6b03638) at chanvars.c:54
No locals.
#7  0x08089202 in ast_channel_free (chan=0xb6b0dd38) at channel.c:1163
	fd = 189
	i = 10
	vardata = (struct ast_var_t *) 0xb6b03638
	f = (struct ast_frame *) 0x0
	headp = (struct varshead *) 0xb6b0e140
	datastore = (struct ast_datastore *) 0x0
	name = "Zap/95-1\000;\216¶ô«\026\b\"º\026\b\b0\216¶\200\210Ì\000h0\216¶\fg\b\b´Ý°¶\000\000\000\000h0\216¶w/\b\b\000\000\000\000\000\000\000\000À/\216¶\000\000\000\0000ã×·Ø\003Ú·\000\000\000"
	__PRETTY_FUNCTION__ = "ast_channel_free"
#8  0x0808a3eb in ast_hangup (chan=0xb6b0dd38) at channel.c:1478
	res = 0
	cdr = (struct ast_cdr *) 0x8bf5270
	__PRETTY_FUNCTION__ = "ast_hangup"
#9  0x080e574c in __ast_pbx_run (c=0xb6b0dd38) at pbx.c:3420
	found = 1
	res = -1
	autoloopflag = 0
	error = 1
	__PRETTY_FUNCTION__ = "__ast_pbx_run"
#10 0x080e5a79 in pbx_thread (data=0xb6b0dd38) at pbx.c:3508
	c = (struct ast_channel *) 0xb6b0dd38
#11 0x0812db2d in dummy_start (data=0xb6b0dce0) at utils.c:848
	__cancel_buf = {__cancel_jmp_buf = {{__cancel_jmp_buf = {13451252, 0, -1232192624, -1232194648, 1496818251, -408204497}, 
      __mask_was_saved = 0}}, __pad = {0xb68e3460, 0x0, 0x0, 0x0}}
	__cancel_routine = (void (*)(void *)) 0x806d7c8 <ast_unregister_thread>
	__cancel_arg = (void *) 0xb68e3b90
	not_first_call = 0
	ret = (void *) 0xcc4b7c
	a = {start_routine = 0x80e5a62 <pbx_thread>, data = 0xb6b0dd38, 
  name = 0xb6b035f0 "pbx_thread", ' ' <repeats 11 times>, "started at [ 3529] pbx.c ast_pbx_start(\020"}
	lock_info = (struct thr_lock_info *) 0x8ba4668
#12 0x00cc545b in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#13 0x00c1d24e in clone () from /lib/libc.so.6
No symbol table info available.