(gdb) bt
#0 0x007e8d5a in strcmp () from /lib/tls/libc.so.6
#1 0x08086d91 in ast_func_read (chan=0x43, in=0xe16580 "CDR(clid)", workspace=0x43 "", len=67) at pbx.c:1278
#2 0x08088aec in pbx_substitute_variables_helper_full (c=0xe17600, headp=0xe179c8,
cp1=0x408700 "\"${CDR(clid)}\",\"${CDR(src)}\",\"${CDR(dst)}\",\"${CDR(dcontext)}\",\"${CDR(channel)}\",\"${CDR(dstchannel)}\",\"${CDR(lastapp)}\",\"${CDR(lastdata)}\",\"${CDR(start)}\",\"${CDR(answer)}\",\"${CDR(end)}\",\"${CDR(duration"..., cp2=0xe17a11 "", count=2046) at pbx.c:1520
#3 0x00406f37 in custom_log (cdr=0x43) at cdr_custom.c:120
#4 0x080a6c0d in post_cdr (cdr=0x9bcf760) at cdr.c:824
#5 0x080a7137 in ast_cdr_detach (cdr=0x9bcf760) at cdr.c:1013
#6 0x080680d2 in ast_hangup (chan=0xb7cd2db0) at channel.c:1362
#7 0x080929d1 in __ast_pbx_run (c=0xb7cd2db0) at pbx.c:2467
#8 0x0809424c in pbx_thread (data=0x43) at pbx.c:2517
#9 0x0095c371 in start_thread () from /lib/tls/libpthread.so.0
#10 0x00847ffe in clone () from /lib/tls/libc.so.6
(gdb) bt full
#0 0x007e8d5a in strcmp () from /lib/tls/libc.so.6
No symbol table info available.
#1 0x08086d91 in ast_func_read (chan=0x43, in=0xe16580 "CDR(clid)", workspace=0x43 "", len=67) at pbx.c:1278
args = 0xe15524 "clid"
function = 0xe15520 "CDR"
__PRETTY_FUNCTION__ = "ast_func_read"
#2 0x08088aec in pbx_substitute_variables_helper_full (c=0xe17600, headp=0xe179c8,
cp1=0x408700 "\"${CDR(clid)}\",\"${CDR(src)}\",\"${CDR(dst)}\",\"${CDR(dcontext)}\",\"${CDR(channel)}\",\"${CDR(dstchannel)}\",\"${CDR(lastapp)}\",\"${CDR(lastdata)}\",\"${CDR(start)}\",\"${CDR(answer)}\",\"${CDR(end)}\",\"${CDR(duration"..., cp2=0xe17a11 "", count=2046) at pbx.c:1520
cp4 = 0x0
whereweare = 0x40870d "\",\"${CDR(src)}\",\"${CDR(dst)}\",\"${CDR(dcontext)}\",\"${CDR(channel)}\",\"${CDR(dstchannel)}\",\"${CDR(lastapp)}\",\"${CDR(lastdata)}\",\"${CDR(start)}\",\"${CDR(answer)}\",\"${CDR(end)}\",\"${CDR(duration)}\",\"${CDR(bi"...
length = Variable "length" is not available.