(gdb) thread apply all bt full

Thread 9 (Thread 0xae753b70 (LWP 13369)):
#0  0xb7fe2424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb6270f7f in __pthread_cond_wait (cond=0x8780530, mutex=0x8780560)
    at pthread_cond_wait.c:153
        __status = -512
        _val = 11
        futex_val = <value optimized out>
        buffer = {__routine = 0xb6271140 <__condvar_cleanup>,
          __arg = 0xae753288, __canceltype = 142086004, __prev = 0x0}
        cbuffer = {oldtype = 0, cond = 0x8780530, mutex = 0x8780560,
          bc_seq = 5}
        err = <value optimized out>
        pshared = 0
        val = <value optimized out>
        seq = 5
#2  0xb635ce0d in __pthread_cond_wait (cond=0x8780530, mutex=0x8780560)
    at forward.c:139
        __p = 0xfffffe00
#3  0xb284db1f in consumer_thread (arg=0x8780418) at consumer_sdl_preview.c:428
        speed = 0
        refresh = <value optimized out>
---Type <return> to continue, or q <return> to quit---
        producer = 0x1ac926f0
        frame = 0x8796af8
        last_position = -1
        eof_threshold = 11
        prefill = <value optimized out>
        buffer = 1
        preview_off = 0
        __PRETTY_FUNCTION__ = "consumer_thread"
#4  0xb626c955 in start_thread (arg=0xae753b70) at pthread_create.c:300
        __res = <value optimized out>
        __ignore1 = <value optimized out>
        __ignore2 = <value optimized out>
        pd = 0xae753b70
        now = <value optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1238904844, 0, 4001536,
                -1368050616, 1061221539, -1733001581}, mask_was_saved = 0}},
          priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0,
              cleanup = 0x0, canceltype = 0}}}
        not_first_call = <value optimized out>
        freesize = <value optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#5  0xb634fe7e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.
---Type <return> to continue, or q <return> to quit---

Thread 8 (Thread 0xaef54b70 (LWP 13368)):
#0  memcpy () at ../sysdeps/i386/i686/memcpy.S:75
No locals.
#1  0xb1d65894 in ?? ()
No symbol table info available.
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 1 (Thread 0xb549fae0 (LWP 13335)):
#0  qt_plugin_instance () at ../../kimgio/eps.cpp:357
No locals.
#1  0xb7150566 in QFactoryLoader::instance (this=0x8e6b0d0, key=...)
    at plugin/qfactoryloader.cpp:237
        obj = <value optimized out>
        library = 0xc761670
        d = 0x87fcc40
        locker = {val = 142593169}
        instances = warning: can't find linker symbol for virtual table for `QList<QObject*>' value
warning:   found `QLabel::staticMetaObject' instead
{{p = warning: can't find linker symbol for virtual table for `QListData' value
warning:   found `QLabel::staticMetaObject' instead
{static shared_null = {ref = {_q_value = 38006},
                alloc = 0, begin = 0, end = 0, sharable = 1, array = {0x0}},
              d = 0x837cce8}, d = 0x837cce8}}
        lowered = {static null = {<No data fields>}, static shared_null = {
            ref = {_q_value = 129962}, alloc = 0, size = 0, data = 0x837cb7a,
            clean = 0, simpletext = 0, righttoleft = 0, asciiCache = 0,
---Type <return> to continue, or q <return> to quit---
            capacity = 0, reserved = 0, array = {0}}, static shared_empty = {
            ref = {_q_value = 119}, alloc = 0, size = 0, data = 0xb7280f8e,
            clean = 0, simpletext = 0, righttoleft = 0, asciiCache = 0,
            capacity = 0, reserved = 0, array = {0}}, d = 0x83cb418,
          static codecForCStrings = 0x0}
#2  0xb673fa4a in createReadHandlerHelper (device=<value optimized out>,
    format=<value optimized out>, autoDetectImageFormat=true,
    ignoresFormatAndExtension=false) at image/qimagereader.cpp:274
        plugin = 0x8a9aa90
        i = 1
        pos = 0
        form = {static shared_null = {ref = {_q_value = 7863}, alloc = 0,
            size = 0, data = 0x837cc38 "", array = ""}, static shared_empty = {
            ref = {_q_value = 1013}, alloc = 0, size = 0,
            data = 0xb7280ebc "", array = ""}, d = 0xaff00680}
        keys = {<QList<QString>> = {{p = {static shared_null = {ref = {
                    _q_value = 38006}, alloc = 0, begin = 0, end = 0,
                  sharable = 1, array = {0x0}}, d = 0x8ed5bd8},
              d = 0x8ed5bd8}}, <No data fields>}
        handler = 0x8a9aa90
        l = 0x8e6b0d0
        suffix = {static shared_null = {ref = {_q_value = 7863}, alloc = 0,
            size = 0, data = 0x837cc38 "", array = ""}, static shared_empty = {
---Type <return> to continue, or q <return> to quit---
            ref = {_q_value = 1013}, alloc = 0, size = 0,
            data = 0xb7280ebc "", array = ""}, d = 0xaff005f0}
        suffixPluginIndex = -1
        testFormat = {static shared_null = {ref = {_q_value = 7863},
            alloc = 0, size = 0, data = 0x837cc38 "", array = ""},
          static shared_empty = {ref = {_q_value = 1013}, alloc = 0, size = 0,
            data = 0xb7280ebc "", array = ""}, d = 0xaff005f0}
#3  0xb67416c4 in QImageReaderPrivate::initHandler (this=0xaff00880)
    at image/qimagereader.cpp:542
No locals.
#4  0xb6742f20 in QImageReader::read (this=0xbfffde88, image=0xbfffde14)
    at image/qimagereader.cpp:1109
No locals.
#5  0xb6743117 in QImageReader::read (this=0xbfffde88)
    at image/qimagereader.cpp:1079
        image = {<QPaintDevice> = {_vptr.QPaintDevice = 0xb6f855b0,
            painters = 0}, d = 0x0}
#6  0xb67593cb in QPixmapData::fromFile (this=0xaff00828, fileName=...,
    format=0x0, flags=...) at image/qpixmapdata.cpp:130
        image = {<QPaintDevice> = {_vptr.QPaintDevice = 0xb727f160,
            painters = 25691}, d = 0xb6f9bd24}
#7  0xb6754834 in QPixmap::load (this=0xbfffdfec, fileName=..., format=0x0,
    flags=...) at image/qpixmap.cpp:835
---Type <return> to continue, or q <return> to quit---
        info = {d_ptr = {d = 0xaff00488}}
        key = {static null = {<No data fields>}, static shared_null = {ref = {
              _q_value = 129962}, alloc = 0, size = 0, data = 0x837cb7a,
            clean = 0, simpletext = 0, righttoleft = 0, asciiCache = 0,
            capacity = 0, reserved = 0, array = {0}}, static shared_empty = {
            ref = {_q_value = 119}, alloc = 0, size = 0, data = 0xb7280f8e,
            clean = 0, simpletext = 0, righttoleft = 0, asciiCache = 0,
            capacity = 0, reserved = 0, array = {0}}, d = 0xaff00e58,
          static codecForCStrings = 0x0}
#8  0xb6754e7d in QPixmap (this=0xbfffdfec, fileName=..., format=0x0,
    flags=...) at image/qpixmap.cpp:259
No locals.
#9  0x08149493 in CustomTrackView::slotUpdateAllThumbs (this=0x8aeefa0)
    at /home/mcfrisk/src/kdenlive-git/src/customtrackview.cpp:5511
        pix = {<QPaintDevice> = {_vptr.QPaintDevice = 0xb6f857d8,
            painters = 0}, data = {d = 0x0}}
        startThumb = {static null = {<No data fields>}, static shared_null = {
            ref = {_q_value = 129962}, alloc = 0, size = 0, data = 0x837cb7a,
            clean = 0, simpletext = 0, righttoleft = 0, asciiCache = 0,
            capacity = 0, reserved = 0, array = {0}}, static shared_empty = {
            ref = {_q_value = 119}, alloc = 0, size = 0, data = 0xb7280f8e,
            clean = 0, simpletext = 0, righttoleft = 0, asciiCache = 0,
            capacity = 0, reserved = 0, array = {0}}, d = 0xaff004e8,
---Type <return> to continue, or q <return> to quit---
          static codecForCStrings = 0x0}
        endThumb = {static null = {<No data fields>}, static shared_null = {
            ref = {_q_value = 129962}, alloc = 0, size = 0, data = 0x837cb7a,
            clean = 0, simpletext = 0, righttoleft = 0, asciiCache = 0,
            capacity = 0, reserved = 0, array = {0}}, static shared_empty = {
            ref = {_q_value = 119}, alloc = 0, size = 0, data = 0xb7280f8e,
            clean = 0, simpletext = 0, righttoleft = 0, asciiCache = 0,
            capacity = 0, reserved = 0, array = {0}}, d = 0x879e108,
          static codecForCStrings = 0x0}
        i = 17
        itemList = {{p = {static shared_null = {ref = {_q_value = 38006},
                alloc = 0, begin = 0, end = 0, sharable = 1, array = {0x0}},
              d = 0x879d740}, d = 0x879d740}}
        item = 0x9d152a0
        thumbBase = {static null = {<No data fields>}, static shared_null = {
            ref = {_q_value = 129962}, alloc = 0, size = 0, data = 0x837cb7a,
            clean = 0, simpletext = 0, righttoleft = 0, asciiCache = 0,
            capacity = 0, reserved = 0, array = {0}}, static shared_empty = {
            ref = {_q_value = 119}, alloc = 0, size = 0, data = 0xb7280f8e,
            clean = 0, simpletext = 0, righttoleft = 0, asciiCache = 0,
            capacity = 0, reserved = 0, array = {0}}, d = 0x879df48,
          static codecForCStrings = 0x0}
#10 0x08083f3d in CustomTrackView::qt_metacall (this=0x8aeefa0,
---Type <return> to continue, or q <return> to quit---
    _c=QMetaObject::InvokeMetaMethod, _id=57, _a=0xbfffe24c)
    at /home/mcfrisk/src/kdenlive-git/build/src/cmake_bindir/moc_customtrackview.cpp:288
No locals.
#11 0xb716f7da in QMetaObject::metacall (object=0x8aeefa0, cl=142593088,
    idx=96, argv=0xbfffe24c) at kernel/qmetaobject.cpp:237
        mo = <value optimized out>
#12 0xb717e1eb in QMetaObject::activate (sender=0x8531548, m=0x83560d0,
    local_signal_index=7, argv=0x0) at kernel/qobject.cpp:3295
        receiverInSameThread = true
        previousSender = 0x0
        method = 96
        currentSender = {sender = 0x8531548, signal = 34, ref = 1}
        c = 0x1a88c180
        last = 0x1a88c180
        methodOffset = <value optimized out>
        signal_absolute_index = 34
        empty_argv = {0x0}
        locker = {val = 140318768}
        currentThreadData = 0x8380f48
        connectionLists = 0x8594258
        signalOffset = <value optimized out>
        signal_index = 10
---Type <return> to continue, or q <return> to quit---
#13 0x080b4669 in ProjectList::loadingIsOver (this=0x8531548)
    at /home/mcfrisk/src/kdenlive-git/build/src/cmake_bindir/projectlist.moc:301
No locals.
#14 0x080bc18c in ProjectList::slotCheckForEmptyQueue (this=0x8531548)
    at /home/mcfrisk/src/kdenlive-git/src/projectlist.cpp:1327
No locals.
#15 0x080bd79d in ProjectList::slotProcessNextThumbnail (this=0x8531548)
    at /home/mcfrisk/src/kdenlive-git/src/projectlist.cpp:1362
No locals.
#16 0x080bdf08 in ProjectList::slotProcessNextClipInQueue (this=0x8531548)
    at /home/mcfrisk/src/kdenlive-git/src/projectlist.cpp:978
No locals.
#17 0x080c4897 in ProjectList::qt_metacall (this=0x8531548,
    _c=QMetaObject::InvokeMetaMethod, _id=80, _a=0xbfffe4bc)
    at /home/mcfrisk/src/kdenlive-git/build/src/cmake_bindir/projectlist.moc:243
No locals.
#18 0xb716f7da in QMetaObject::metacall (object=0x8531548, cl=142593088,
    idx=80, argv=0xbfffe4bc) at kernel/qmetaobject.cpp:237
        mo = <value optimized out>
#19 0xb717e1eb in QMetaObject::activate (sender=0x8531594, m=0xb727e724,
    local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3295
---Type <return> to continue, or q <return> to quit---
        receiverInSameThread = true
        previousSender = 0x0
        method = 80
        currentSender = {sender = 0x8531594, signal = 4, ref = 1}
        c = 0x8505878
        last = 0x8505878
        methodOffset = <value optimized out>
        signal_absolute_index = 4
        empty_argv = {0x0}
        locker = {val = 138308704}
        currentThreadData = 0x8380f48
        connectionLists = 0x860d000
        signalOffset = <value optimized out>
        signal_index = 2
#20 0xb71d0807 in QTimer::timeout (this=0x8531594)
    at .moc/release-shared/moc_qtimer.cpp:134
No locals.
#21 0xb71860ce in QTimer::timerEvent (this=0x8531594, e=0xbfffe9f0)
    at kernel/qtimer.cpp:271
No locals.
#22 0xb717ac84 in QObject::event (this=0x8531594, e=0x3)
    at kernel/qobject.cpp:1212
No locals.
---Type <return> to continue, or q <return> to quit---
#23 0xb665c5cc in QApplicationPrivate::notify_helper (this=0x8396c88,
    receiver=0x8531594, e=0xbfffe9f0) at kernel/qapplication.cpp:4302
        consumed = <value optimized out>
#24 0xb666315e in QApplication::notify (this=0xbfffed5c, receiver=0x8531594,
    e=0xbfffe9f0) at kernel/qapplication.cpp:3706
        res = <value optimized out>
#25 0xb7d21c5a in KApplication::notify (this=0xbfffed5c, receiver=0x8531594,
    event=0xbfffe9f0) at ../../kdeui/kernel/kapplication.cpp:302
No locals.
#26 0xb716a4fb in QCoreApplication::notifyInternal (this=0xbfffed5c,
    receiver=0x8531594, event=0xbfffe9f0) at kernel/qcoreapplication.cpp:726
        threadData = 0x8380f48
        returnValue = <value optimized out>
        result = false
        cbdata = {0x8531594, 0xbfffe9f0, 0xbfffe97f}
#27 0xb71997c6 in QCoreApplication::sendEvent (this=0x8399abc)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
No locals.
#28 QTimerInfoList::activateTimers (this=0x8399abc)
    at kernel/qeventdispatcher_unix.cpp:603
        e = {<QEvent> = {_vptr.QEvent = 0xb727d0f8, static staticMetaObject = {
              d = {superdata = 0x0, stringdata = 0xb7229a60 "QEvent",
                data = 0xb722a460,
extradata = 0x0}}, d = 0x0, t = 1,
---Type <return> to continue, or q <return> to quit---
            posted = 0, spont = 0, m_accept = 1, reserved = 6143},
          id = 16777728}
        firstTime = false
        n_act = 2
        saveFirstTimerInfo = 0x0
        saveCurrentTimerInfo = 0x0
#29 0xb71963e7 in timerSourceDispatch (source=0x8399f00)
    at kernel/qeventdispatcher_glib.cpp:184
        timerSource = <value optimized out>
#30 idleTimerSourceDispatch (source=0x8399f00)
    at kernel/qeventdispatcher_glib.cpp:231
No locals.
#31 0xb5d432f5 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
No symbol table info available.
#32 0xb5d46fd8 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#33 0xb5d471b8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
No symbol table info available.
#34 0xb71960a5 in QEventDispatcherGlib::processEvents (this=0x8380c08,
    flags=...) at kernel/qeventdispatcher_glib.cpp:412
        d = 0x8399090
        canWait = true
        result = <value optimized out>
---Type <return> to continue, or q <return> to quit---
#35 0xb671af25 in QGuiEventDispatcherGlib::processEvents (this=0x8380c08,
    flags=...) at kernel/qguieventdispatcher_glib.cpp:204
        d = 0x8396e08
        returnValue = 112
#36 0xb7168b19 in QEventLoop::processEvents (this=0xbfffecb4, flags=DWARF-2 expression error: DW_OP_reg operations must be used either alone or in conjuction with DW_OP_piece.
)
    at kernel/qeventloop.cpp:149
        d = 0x8a56858
#37 0xb7168f6a in QEventLoop::exec (this=0xbfffecb4, flags=...)
    at kernel/qeventloop.cpp:201
        d = 0x8a56858
        app = <value optimized out>
#38 0xb716e19f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1003
        threadData = 0x8380f48
        eventLoop = {<QObject> = {_vptr.QObject = 0xb727e5c8,
            static staticMetaObject = {d = {superdata = 0x0,
                stringdata = 0xb7217c60 "QObject", data = 0xb7217d00,
                extradata = 0xb72793e0}}, d_ptr = {d = 0x8a56858},
            static staticQtMetaObject = {d = {superdata = 0x0,
                stringdata = 0xb72207a0 "Qt", data = 0xb7223e00,
                extradata = 0x0}}}, static staticMetaObject = {d = warning: can't find linker symbol for virtual table for `QMetaObject::<anonymous struct>' value
warning:   found `QSpinBox::staticMetaObject' instead
{
              superdata = 0x837c9b0, stringdata = 0xb7229860 "QEventLoop",
              data = 0xb7229880, extradata = 0x0}}}
        returnCode = -1
---Type <return> to continue, or q <return> to quit---
#39 0xb665c667 in QApplication::exec () at kernel/qapplication.cpp:3581
No locals.
#40 0x080880dd in main (argc=2, argv=0xbfffef74)
    at /home/mcfrisk/src/kdenlive-git/src/main.cpp:89
        aboutData = {d = 0x8383500}
        app = {<QApplication> = {<QCoreApplication> = {<QObject> = {
                _vptr.QObject = 0xb7ee6388, static staticMetaObject = {d = {
                    superdata = 0x0, stringdata = 0xb7217c60 "QObject",
                    data = 0xb7217d00, extradata = 0xb72793e0}}, d_ptr = {
                  d = 0x8396c88}, static staticQtMetaObject = {d = {
                    superdata = 0x0, stringdata = 0xb72207a0 "Qt",
                    data = 0xb7223e00, extradata = 0x0}}},
              static staticMetaObject = {d = warning: can't find linker symbol for virtual table for `QMetaObject::<anonymous struct>' value
warning:   found `QSpinBox::staticMetaObject' instead
{superdata = 0x837c9b0,
                  stringdata = 0xb7229900 "QCoreApplication",
                  data = 0xb72299a0, extradata = 0x0}},
              static self = 0xbfffed5c}, static staticMetaObject = {d = warning: can't find linker symbol for virtual table for `QMetaObject::<anonymous struct>' value
warning:   found `typeinfo for QEventLoop' instead
{
                superdata = 0xb727e604,
                stringdata = 0xb6d95aa0 "QApplication", data = 0xb6d95ce0,
                extradata = 0x0}}}, static staticMetaObject = {d = warning: can't find linker symbol for virtual table for `QMetaObject::<anonymous struct>' value
warning:   found `typeinfo for QActionGroupPrivate' instead
{
              superdata = 0xb6f83b48, stringdata = 0xb7ebb3c0 "KApplication",
              data = 0xb7ebb560, extradata = 0x0}},
          static loadedByKdeinit = false, static KApp = 0xbfffed5c,
          d = 0x83d9620}
---Type <return> to continue, or q <return> to quit---
        __PRETTY_FUNCTION__ = "int main(int, char**)"
        options = {d = 0x83969e8}
        result = <value optimized out>
(gdb)