Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 1083591008 (LWP 21525)]
0x0000002a9793d3ac in zt_setoption (chan=0x2a9f8fbbc0, option=5, data=0x40962b6f, datalen=1) at chan_zap.c:2726
2726            if ( ! (chan->name && p->txgain  && data) ) {
(gdb) bt full
#0  0x0000002a9793d3ac in zt_setoption (chan=0x2a9f8fbbc0, option=5, data=0x40962b6f, datalen=1) at chan_zap.c:2726
        cp = 0x420be9 "H�D$\030"
        scp = (signed char *) 0x2a9f8fbcc0 ""
        x = 0
        index = 4309224
        p = (struct zt_pvt *) 0x0
        __PRETTY_FUNCTION__ = "zt_setoption"
#1  0x00000000004270d2 in ast_channel_setoption (chan=0x2a9f8fbbc0, option=5, data=0x40962b6f, datalen=1, block=0) at channel.c:3559
        res = 0
        __PRETTY_FUNCTION__ = "ast_channel_setoption"
#2  0x0000002a9e406d56 in reset_volumes (user=0x1459ad0) at app_meetme.c:308
        zero_volume = 0 '\0'
#3  0x0000002a9e40aa4d in conf_run (chan=0x2a9f8fbbc0, conf=0x1457e80, confflags=3136) at app_meetme.c:1477
        user = (struct ast_conf_user *) 0x1459ad0
        usr = (struct ast_conf_user *) 0x0
        fd = 76
        ztc = {chan = 51, confno = 0, confmode = 0}
        ztc_empty = {chan = 0, confno = 0, confmode = 0}
        f = (struct ast_frame *) 0x0
        c = (struct ast_channel *) 0x2a9f8fbbc0
        fr = {frametype = 0, subclass = 0, datalen = 0, samples = 0, mallocd = 0, offset = 0, src = 0x0, data = 0x0, delivery = {tv_sec = 0, tv_usec = 0}, prev = 0x2a9e406e66,
  next = 0x2a9e511800}
        outfd = -99999
        ms = -1
        nfds = 0
        res = 0
        flags = 0
        retryzap = 0
        origfd = 76
        musiconhold = 0
        firstpass = 1
        lastmarked = 1
        currentmarked = 1
        ret = -1
        x = 0
        menu_active = 0
        using_pseudo = 0
        duration = 20
        dsp = (struct ast_dsp *) 0x0
        app = (struct ast_app *) 0x0
        agifile = 0x0
        agifiledefault = 0x2a9e40ede2 "conf-background.agi"
        meetmesecs = '\0' <repeats 29 times>
        exitcontext = '\0' <repeats 79 times>
        recordingtmp = '\0' <repeats 79 times>
        members = "1\000\000\000\000\000\000\000\000"
        dtmf = 0
        bi = {txbufpolicy = 0, rxbufpolicy = 0, numbufs = 0, bufsize = 0, readbufs = 0, writebufs = 0}
        __buf = '\0' <repeats 383 times>
        buf = 0x40962c10 ""
        __PRETTY_FUNCTION__ = "conf_run"
#4  0x0000002a9e40c814 in conf_exec (chan=0x2a9f8fbbc0, data=0x1457ac0) at app_meetme.c:1977
        res = -1
        u = (struct localuser *) 0x135f7c0
        confno = "299", '\0' <repeats 76 times>
        allowretry = 0
        retrycnt = 0
        cnf = (struct ast_conference *) 0x1457e80
        confflags = {flags = 3136}
        dynamic = 0
        empty = 0
        empty_no_pin = 0
        always_prompt = 0
        notdata = 0x1457ac0 "299|wqx"
        info = 0x0