Core was generated by `/usr/local/bin/mythbackend --quiet --nodblog --logpath /var/log/mythtv --verbos'.
Program terminated with signal 11, Segmentation fault.
#0  0x00007f7f45762626 in ?? () from /lib/libc.so.6

Thread 2 (Thread 21518):
#0  0x00007f7f48389890 in pthread_getspecific () from /lib/libpthread.so.0
No symbol table info available.
#1  0x00007f7f4628b441 in ?? () from /usr/lib/libQtCore.so.4
No symbol table info available.
#2  0x00007f7f462888c9 in QThread::currentThread() () from /usr/lib/libQtCore.so.4
No symbol table info available.
#3  0x00007f7f4c9a94d0 in MThread::RunProlog (this=0x1b70610) at mthread.cpp:202
        __FUNCTION__ = "RunProlog"
#4  0x00007f7f4ca8349d in LoggerThread::run (this=0x1b70610) at logging.cpp:727
        qLock = {{mtx = 0x0, val = 0}}
#5  0x00007f7f4c9aa073 in MThreadInternal::run (this=0x1bb3410) at mthread.cpp:76
No locals.
#6  0x00007f7f4628b775 in ?? () from /usr/lib/libQtCore.so.4
No symbol table info available.
#7  0x00007f7f483839ca in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#8  0x00007f7f457c770d in clone () from /lib/libc.so.6
No symbol table info available.
#9  0x0000000000000000 in ?? ()
No symbol table info available.

Thread 1 (Thread 21517):
#0  0x00007f7f45762626 in ?? () from /lib/libc.so.6
No symbol table info available.
#1  0x00007f7f4ca06fc2 in MythCoreContext::Init (this=0x1bc1900) at mythcorecontext.cpp:197
        __FUNCTION__ = "Init"
        lang = 0x0
        qtinterface = {d = {d = 0x7fff8f3c7bf0}}
        IpList = {{p = {static shared_null = {ref = {_q_value = 74}, alloc = 0, begin = 0, end = 0, sharable = 1, array = {0x0}}, d = 0x7fff8f3c7790}, d = 0x7fff8f3c7790}}
#2  0x00007f7f4bfd3dc4 in MythContext (this=0x1bc2080, binversion=...) at mythcontext.cpp:1015
No locals.
#3  0x00000000004603b0 in main (argc=7, argv=0x7fff8f3c7bf8) at main.cpp:105
        a = <incomplete type>
        retval = 0
        mask = {static null = {<No data fields>}, static shared_null = {ref = {_q_value = 128}, alloc = 0, size = 0, data = 0x7f7f4669387a, clean = 0, simpletext = 0, righttoleft = 0, asciiCache = 0, capacity = 0, reserved = 0, array = {0}}, static shared_empty = {ref = {_q_value = 70}, alloc = 0, size = 0, data = 0x7f7f4669389a, clean = 0, simpletext = 0, righttoleft = 0, asciiCache = 0, capacity = 0, reserved = 0, array = {0}}, d = 0x1bbbb80, static codecForCStrings = 0x0}
        __FUNCTION__ = "main"
        cmdline = {<MythCommandLineParser> = {_vptr.MythCommandLineParser = 0x7b71b0, m_appname = {static null = {<No data fields>}, static shared_null = {ref = {_q_value = 128}, alloc = 0, size = 0, data = 0x7f7f4669387a, clean = 0, simpletext = 0, righttoleft = 0, asciiCache = 0, capacity = 0, reserved = 0, array = {0}}, static shared_empty = {ref = {_q_value = 70}, alloc = 0, size = 0, data = 0x7f7f4669389a, clean = 0, simpletext = 0, righttoleft = 0, asciiCache = 0, capacity = 0, reserved = 0, array = {0}}, d = 0x1ba7c40, static codecForCStrings = 0x0}, m_parsed = {{d = 0x1baf320, e = 0x1baf320}}, m_defaults = {{d = 0x1ba8150, e = 0x1ba8150}}, m_registeredArgs = {{d = 0x1ba7fd0, e = 0x1ba7fd0}}, m_allowExtras = false, m_allowArgs = false, m_remainingArgs = warning: can't find linker symbol for virtual table for `QStringList' value
warning:   found `QLinkedListData::shared_null' instead
{<QList<QString>> = {{p = warning: can't find linker symbol for virtual table for `QListData' value
warning:   found `QLinkedListData::shared_null' instead
{static shared_null = {ref = {_q_value = 74}, alloc = 0, begin = 0, end = 0, sharable = 1, array = {0x0}}, d = 0x7f7f466937c0}, d = 0x7f7f466937c0}}, <No data fields>}, m_allowPassthrough = false, m_passthroughActive = false, m_passthrough = warning: can't find linker symbol for virtual table for `QStringList' value
warning:   found `QLinkedListData::shared_null' instead
{<QList<QString>> = {{p = warning: can't find linker symbol for virtual table for `QListData' value
warning:   found `QLinkedListData::shared_null' instead
{static shared_null = {ref = {_q_value = 74}, alloc = 0, begin = 0, end = 0, sharable = 1, array = {0x0}}, d = 0x7f7f466937c0}, d = 0x7f7f466937c0}}, <No data fields>}, m_overridesImported = false, m_verbose = false}, <No data fields>}
        daemonize = false
        callCleanup = warning: can't find linker symbol for virtual table for `(anonymous namespace)::CleanupGuard' value
warning:   found `setupTVs(bool, bool&)' instead
{m_cleanFunction = 0x51b0ed <cleanup()>}
(gdb)