(gdb) bt full
#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
        set = {__val = {8192, 206158430232, 140726422418688, 140726422418496, 6715768881093751899, 7546144, 599, 140488242815720, 140485695906720, 
            94041559083704, 94041559316031, 30064771072, 0, 206158430224, 140726422418784, 140726422418592}}
        pid = <optimized out>
        tid = <optimized out>
        ret = <optimized out>
#1  0x00007fc5f7b1f859 in __GI_abort () at abort.c:79
        save_stage = 1
        act = {__sigaction_handler = {sa_handler = 0x7fc5600023a0, sa_sigaction = 0x7fc5600023a0}, sa_mask = {__val = {94041557933784, 51539607559, 
              140726422418720, 140726422418672, 94041559106152, 51539607552, 140726422418720, 140726422418768, 94041559042175, 0, 0, 140726422418736, 
              59959199358, 94041559633208, 17, 94041577929024}}, sa_flags = 33934848, sa_restorer = 0x0}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00005587c1b89d48 in cStateKey::~cStateKey (this=0x5587c1c87560 <main::TimersStateKey>, __in_chrg=<optimized out>) at thread.c:858
No locals.
#3  0x00007fc5f7b438a7 in __run_exit_handlers (status=1, listp=0x7fc5f7ce9718 <__exit_funcs>, run_list_atexit=run_list_atexit@entry=true, 
    run_dtors=run_dtors@entry=true) at exit.c:108
        atfct = <optimized out>
        onfct = <optimized out>
        cxafct = <optimized out>
        f = <optimized out>
        new_exitfn_called = 599
        cur = 0x7fc5600023a0
#4  0x00007fc5f7b43a60 in __GI_exit (status=<optimized out>) at exit.c:139
No locals.
#5  0x00005587c1b9b59e in Watchdog (signum=14) at vdr.c:195
No locals.
#6  <signal handler called>
No locals.
#7  futex_abstimed_wait (private=<optimized out>, abstime=0x0, clockid=0, expected=3, futex_word=<optimized out>)
    at ../sysdeps/nptl/futex-internal.h:284
        __arg6 = 4294967295
        __arg3 = 3
        _a5 = 0
        _a2 = 393
        __arg4 = 0
        __arg1 = 94041559685464
        _a6 = 4294967295
        _a3 = 3
        resultvar = <optimized out>
        __arg5 = 0
        __arg2 = <optimized out>
        _a4 = 0
        _a1 = 94041559685464
        __ret = <optimized out>
        clockbit = 256
        op = <optimized out>
        __ret = <optimized out>
        err = <optimized out>
        err = <optimized out>
        __ret = <optimized out>
        clockbit = <optimized out>
        op = <optimized out>
        __ret = <optimized out>
        resultvar = <optimized out>
        __arg6 = <optimized out>
        __arg5 = <optimized out>
        __arg4 = <optimized out>
        __arg3 = <optimized out>
        __arg2 = <optimized out>
        __arg1 = <optimized out>
        _a6 = <optimized out>
        _a5 = <optimized out>
        _a4 = <optimized out>
        _a3 = <optimized out>
        _a2 = <optimized out>
        _a1 = <optimized out>
#8  __pthread_rwlock_rdlock_full (abstime=0x0, clockid=0, rwlock=0x5587c1c25950 <cChannels::channels+48>) at pthread_rwlock_common.c:460
        private = <optimized out>
        err = <optimized out>
        r = <optimized out>
        wpf = <optimized out>
        ready = false
        r = <optimized out>
        wpf = <optimized out>
        ready = <optimized out>
        __value = <optimized out>
        private = <optimized out>
        err = <optimized out>
        private = <optimized out>
        private = <optimized out>
        err = <optimized out>
#9  __GI___pthread_rwlock_rdlock (rwlock=0x5587c1c25950 <cChannels::channels+48>) at pthread_rwlock_rdlock.c:27
        result = <optimized out>
#10 0x00005587c1b873ec in cRwLock::Lock (this=0x5587c1c25950 <cChannels::channels+48>, Write=false, TimeoutMs=0) at thread.c:190
        Result = 0
        abstime = {tv_sec = 94041560084384, tv_nsec = 94041559037185}
#11 0x00005587c1b89576 in cStateLock::Lock (this=0x5587c1c25940 <cChannels::channels+32>, StateKey=..., Write=false, TimeoutMs=0) at thread.c:732
No locals.
#12 0x00005587c1b99b47 in cListBase::Lock (this=0x5587c1c25920 <cChannels::channels>, StateKey=..., Write=false, TimeoutMs=0) at tools.c:2182
No locals.
#13 0x00005587c1a7f3e1 in cChannels::GetChannelsRead (StateKey=..., TimeoutMs=0) at channels.c:857
No locals.
#14 0x00005587c1b9e472 in main (argc=31, argv=0x7ffd6c6b41f8) at vdr.c:1035
        TimersStateKey = {stateLock = 0x5587c1c871a0 <cTimers::timers+32>, write = false, state = 979, timedOut = false}
        ChannelsStateKey = {stateLock = 0x0, write = false, state = 1057, timedOut = false}
        Timers = 0x5587c1c87180 <cTimers::timers>
        Channels = 0x0
        ChannelSaveTimeout = 1672137628
        ChannelsModifiedByUser = 1
        key = kNone
        Interact = 0x0
        Control = 0x0
        Now = 1672137035
        NeedsFastResponse = false
        ControlMutexLock = {mutex = 0x5587c1c7eaa0 <cControl::mutex>, locked = true}
        NewPrimaryDVB = 9
        savedTm = {c_iflag = 21760, c_oflag = 5, c_cflag = 191, c_lflag = 35387, c_line = 0 '\000', 
          c_cc = "\003\034\177\025\004\000\001\000\021\023\032\377\022\017\027\026\377", '\000' <wiederholt 14 Mal>, c_ispeed = 15, c_ospeed = 15}
        HasStdin = true
        StartedAsRoot = true
        VdrUser = 0x7ffd6c6b4c07 "root"
        UserDump = false
        SVDRPport = 6419
        AudioCommand = 0x0
        VideoDirectory = 0x7ffd6c6b4c14 "/work/samba/multimedia/filme/recordings"
        ConfigDirectory = 0x7ffd6c6b4b52 "/etc/vdr"
        CacheDirectory = 0x5587c1bccb25 "/var/cache/vdr"
        ResourceDirectory = 0x5587c1bccb0d "/usr/share/vdr"
        LocaleDirectory = 0x7ffd6c6b4be8 "/usr/local/share/locale"
        EpgDataFileName = 0x5587c1bcc8a0 "epg.data"
        DisplayHelp = false
        DisplayVersion = false
        DaemonMode = false
        SysLogTarget = 8
        MuteAudio = false
        WatchdogTimeout = 15
        Terminal = 0x0
        OverrideCharacterTable = 0x7ffd6c6b4c5c "ISO-8859-15"
        UseKbd = true
        LircDevice = 0x0
        SdWatchdog = 0
        SdWatchdogTimeout = 0
        Args = 0x0
        PluginManager = {_vptr.cPluginManager = 0x5587c1c1eb60 <vtable for cPluginManager+16>, static pluginManager = 0x7ffd6c6b4020, 
          directory = 0x5587c2a2b130 "/usr/lib/vdr", lastHousekeeping = 1672137031, nextHousekeeping = 2, dlls = {<cList<cDll>> = {<cListBase> = {
                _vptr.cListBase = 0x5587c1c1ec58 <vtable for cDlls+16>, objects = 0x5587c2a2b210, lastObject = 0x5587c2a2ba00, count = 12, stateLock = {
                  name = 0x0, threadId = 0, rwLock = {rwlock = pthread_rwlock_t = {Status = Not acquired, Shared = No, Prefers = Writers}, locked = 0, 
                    writeLockThreadId = 0}, state = 0, explicitModify = 0, syncStateKey = 0x0}, needsLocking = 0x0, 
                useGarbageCollector = false}, <No data fields>}, <No data fields>}}
        long_options = {{name = 0x5587c1bcc761 "audio", has_arg = 1, flag = 0x0, val = 97}, {name = 0x5587c1bcc767 "cachedir", has_arg = 1, flag = 0x0, 
            val = 355}, {name = 0x5587c1bcc770 "chartab", has_arg = 1, flag = 0x0, val = 611}, {name = 0x5587c1bcc778 "config", has_arg = 1, 
            flag = 0x0, val = 99}, {name = 0x5587c1bcc77f "daemon", has_arg = 0, flag = 0x0, val = 100}, {name = 0x5587c1bcc786 "device", has_arg = 1, 
            flag = 0x0, val = 68}, {name = 0x5587c1bcc78d "dirnames", has_arg = 1, flag = 0x0, val = 356}, {name = 0x5587c1bcc796 "edit", has_arg = 1, 
            flag = 0x0, val = 357}, {name = 0x5587c1bcc79b "epgfile", has_arg = 1, flag = 0x0, val = 69}, {name = 0x5587c1bcc7a3 "filesize", 
            has_arg = 1, flag = 0x0, val = 358}, {name = 0x5587c1bcc7ac "genindex", has_arg = 1, flag = 0x0, val = 359}, {name = 0x5587c1bcc7b5 "grab", 
            has_arg = 1, flag = 0x0, val = 103}, {name = 0x5587c1bcc7ba "help", has_arg = 0, flag = 0x0, val = 104}, {name = 0x5587c1bcc7bf "instance", 
            has_arg = 1, flag = 0x0, val = 105}, {name = 0x5587c1bcc7c8 "lib", has_arg = 1, flag = 0x0, val = 76}, {name = 0x5587c1bcc7cc "lirc", 
            has_arg = 2, flag = 0x0, val = 364}, {name = 0x5587c1bcc7d1 "localedir", has_arg = 1, flag = 0x0, val = 620}, {name = 0x5587c1bcc7db "log", 
            has_arg = 1, flag = 0x0, val = 108}, {name = 0x5587c1bcc7df "mute", has_arg = 0, flag = 0x0, val = 109}, {name = 0x5587c1bcc7e4 "no-kbd", 
            has_arg = 0, flag = 0x0, val = 366}, {name = 0x5587c1bcc7eb "plugin", has_arg = 1, flag = 0x0, val = 80}, {name = 0x5587c1bcc7f2 "port", 
            has_arg = 1, flag = 0x0, val = 112}, {name = 0x5587c1bcc7f7 "record", has_arg = 1, flag = 0x0, val = 114}, {name = 0x5587c1bcc7fe "resdir", 
            has_arg = 1, flag = 0x0, val = 370}, {name = 0x5587c1bcc805 "showargs", has_arg = 2, flag = 0x0, val = 627}, {
            name = 0x5587c1bcc80e "shutdown", has_arg = 1, flag = 0x0, val = 115}, {name = 0x5587c1bcc817 "split", has_arg = 0, flag = 0x0, val = 371}, 
          {name = 0x5587c1bcc81d "terminal", has_arg = 1, flag = 0x0, val = 116}, {name = 0x5587c1bcc826 "updindex", has_arg = 1, flag = 0x0, 
            val = 629}, {name = 0x5587c1bcc82f "user", has_arg = 1, flag = 0x0, val = 117}, {name = 0x5587c1bcc834 "userdump", has_arg = 0, flag = 0x0, 
            val = 373}, {name = 0x5587c1bcc83d "version", has_arg = 0, flag = 0x0, val = 86}, {name = 0x5587c1bcc845 "vfat", has_arg = 0, flag = 0x0, 
            val = 374}, {name = 0x5587c1bcc84a "video", has_arg = 1, flag = 0x0, val = 118}, {name = 0x5587c1bcc850 "watchdog", has_arg = 1, 
            flag = 0x0, val = 119}, {name = 0x0, has_arg = 0, flag = 0x0, val = 0}}
        c = -1
        CodeSet = 0x7fc5f732e28c <error: Cannot access memory at address 0x7fc5f732e28c>
        EpgDataReader = {<cThread> = {_vptr.cThread = 0x5587c1c1b948 <vtable for cEpgDataReader+16>, active = false, running = false, 
            childTid = 140488148944640, childThreadId = 477745, mutex = {mutex = pthread_mutex_t = {Type = Error check, Status = Not acquired, 
                Robust = No, Shared = No, Protocol = None}, locked = 0}, description = 0x5587c2a2bd60 "epg data reader", lowPriority = false, 
            static mainThreadId = 477743}, <No data fields>}
        Menu = 0x0
        LastChannel = 1
        LastTimerChannel = -1
        PreviousChannel = {1, 1}
        PreviousChannelIndex = 0
        LastChannelChanged = 1672136807
        LastInteract = 1672136810
        MaxLatencyTime = 12
        InhibitEpgScan = false
        IsInfoMenu = false
        CurrentSkin = 0x5587c2c52cd0
        OldPrimaryDVB = 9