(gdb) bt full
#0  0x00007ffff68c5d7a in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00000000004291b0 in _lang_cmp (b=0x133ee48, a=0x7fffe40fec90) at /usr/src/tvheadend/src/lang_str.c:33
No locals.
#2  _lang_str_add (ls=0x939bf0, str=str@entry=0x7fffe40fe550 "Cross Talk", lang=0x469111 "eng", update=1, append=append@entry=0) at /usr/src/tvheadend/src/lang_str.c:123
        c = 0x133ee48
        parent = <optimized out>
        res = 17
        fromleft = <optimized out>
        x = 0x7fffe40fec90
        save = 0
        skel = 0x7fffe40fec90
        e = <optimized out>
#3  0x0000000000429c98 in lang_str_add (ls=<optimized out>, str=str@entry=0x7fffe40fe550 "Cross Talk", lang=<optimized out>, update=<optimized out>) at /usr/src/tvheadend/src/lang_str.c:149
No locals.
#4  0x000000000040af37 in _epg_object_set_lang_str (src=<optimized out>, newlang=<optimized out>, newstr=0x7fffe40fe550 "Cross Talk", old=<optimized out>, o=0x939a90) at /usr/src/tvheadend/src/epg.c:297
        update = 1
        save = <optimized out>
#5  _epg_object_set_lang_str (o=0x939a90, old=<optimized out>, newstr=0x7fffe40fe550 "Cross Talk", newlang=<optimized out>, src=<optimized out>) at /usr/src/tvheadend/src/epg.c:288
        save = 17
        eo = <optimized out>
#6  0x000000000040afe6 in _epg_object_set_lang_str2 (o=o@entry=0x939a90, old=old@entry=0x939b28, src=src@entry=0x7274f0, str=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /usr/src/tvheadend/src/epg.c:309
        save = <optimized out>
        ls = 0x7fffe40f9900
#7  0x000000000040c53a in epg_episode_set_title2 (episode=episode@entry=0x939a90, str=<optimized out>, src=src@entry=0x7274f0) at /usr/src/tvheadend/src/epg.c:804
No locals.
#8  0x000000000042e6ff in _eit_process_event (mod=mod@entry=0x7274f0, tableid=tableid@entry=97, svc=svc@entry=0x795b10, ptr=<optimized out>, ptr@entry=0x7fffefffdef2 "\365r\333\177\006\060", len=<optimized out>, len@entry=820, 
    resched=resched@entry=0x7fffefffdd88, save=save@entry=0x7fffefffdd8c) at /usr/src/tvheadend/src/epggrab/module/eit.c:554
        save2 = 0
        ret = 185
        dllen = <optimized out>
        start = <optimized out>
        stop = <optimized out>
        eid = <optimized out>
        dtag = <optimized out>
        dlen = <optimized out>
        ebc = 0x8516b0
        ee = 0x939a90
        es = <optimized out>
        ev = {uri = '\000' <repeats 256 times>, suri = '\000' <repeats 256 times>, title = 0x7fffe40fd5e0, summary = 0x7fffe40ff050, desc = 0x0, default_charset = 0x0, extra = 0x0, genre = 0x7fffe40fb100, hd = 0 '\000', ws = 0 '\000', ad = 0 '\000', 
          st = 0 '\000', ds = 0 '\000', bw = 0 '\000'}
#9  0x000000000042f12c in _eit_callback (tdmi=<optimized out>, ptr=0x7fffefffdef2 "\365r\333\177\006\060", len=820, tableid=96 '`', opaque=0x7274f0) at /usr/src/tvheadend/src/epggrab/module/eit.c:665
        r = <optimized out>
        mod = 0x7274f0
        ota = 0x8af7f0
        tda = <optimized out>
        svc = 0x795b10
        stal = 0x742260
        sta = <optimized out>
        resched = 0
        save = 0
        tsid = <optimized out>
        sid = <optimized out>
        sec = <optimized out>
        lst = <optimized out>
        seg = 208
        ver = <optimized out>
#10 0x000000000044459a in dvb_proc_table (r=<optimized out>, sec=0x7fffefffde70 "a\363\267k@\303\320\370`@#:\320a\365q\333\177\006", tdt=0x7fffe402de80, tdmi=0x77a470) at /usr/src/tvheadend/src/dvb/dvb_tables.c:173
        chkcrc = <optimized out>
        len = <optimized out>
        ret = <optimized out>
        tableid = <optimized out>
#11 dvb_table_input (aux=0x726d80) at /usr/src/tvheadend/src/dvb/dvb_tables.c:217
        tda = 0x726d80
        r = <optimized out>
        i = <optimized out>
        tid = 14333
        fd = 36
        x = <optimized out>
        ev = {{events = 1, data = {ptr = 0x24000037fd, fd = 14333, u32 = 14333, u64 = 154618836989}}}
        sec = "a\363\267k@\303\320\370`@#:\320a\365q\333\177\006\000\000\000\060\000\000hP\006\361\001\001undP\006\362\003\002engMReng\vLatest NewsBLatest news update. For more information go to www.russiatoday.ru.T\002 \000\365r\333\177\006\060\000\000\060\000\000\255P\006\361\001\001undP\006\362\003\002engM\227eng\nCross Talk\210Debate show discussing politics, business,"...
        tdmi = 0x77a470
        tdt = 0x7fffe402de80
        cycle_barrier = 0
        __PRETTY_FUNCTION__ = "dvb_table_input"
#12 0x00007ffff6b43b50 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#13 0x00007ffff688e70d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#14 0x0000000000000000 in ?? ()
No symbol table info available.