. Thread 3 (process 2794): #0 0x00007f799f7ebbc9 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 No symbol table info available. #1 0x00007f799fa77692 in QWaitCondition::wait (this=, mutex=0x7f7987e83e00, time=120000) at thread/qwaitcondition_unix.cpp:85 returnValue = #2 0x00007f7995745163 in ?? () from /usr/lib/kde4/nepomukstrigiservice.so No symbol table info available. #3 0x00007f799fa76775 in QThreadPrivate::start (arg=0x1eb2b40) at thread/qthread_unix.cpp:248 data = (QThreadData *) 0x1eb3580 #4 0x00007f799f7e69ca in start_thread () from /lib/libpthread.so.0 No symbol table info available. #5 0x00007f799dbef6dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 No locals. #6 0x0000000000000000 in ?? () No symbol table info available. . Thread 2 (process 2466): #0 __lll_lock_wait_private () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:97 No locals. #1 0x00007f799db883ac in _L_lock_12430 () from /lib/libc.so.6 No symbol table info available. #2 0x00007f799db86e48 in *__GI___libc_free (mem=0x7f7980000020) at malloc.c:3736 ignore1 = 128 ignore2 = ignore3 = -512 ar_ptr = (mstate) 0x7f7980000020 p = (mchunkptr) 0x7f7980827320 #3 0x00007f799ee6d762 in QHash::remove ( this=0x1eaa3c8, akey=) at /usr/include/qt4/QtCore/qhash.h:507 next = (QHashNode *) 0x7f798c077420 node = #4 0x00007f799ee68d93 in Nepomuk::ResourceData::resetAll (this=0x24cce60, isDelete=true) at ../../../nepomuk/core/resourcedata.cpp:185 hadProxy = false #5 0x00007f799ee68aee in ~ResourceData (this=0x7f7980000020) at ../../../nepomuk/core/resourcedata.cpp:104 No locals. #6 0x00007f799ee6fd26 in Nepomuk::ResourceManagerPrivate::cleanupCache ( this=, num=1) at ../../../nepomuk/core/resourcemanager.cpp:215 data = (Nepomuk::ResourceData *) 0x24cce60 rdl = {{p = {static shared_null = {ref = {_q_value = 1095}, alloc = 0, begin = 0, end = 0, sharable = 1, array = {0x0}}, d = 0x36225d0}, d = 0x36225d0}} #7 0x00007f799ee6a555 in ResourceData (this=0x259e360, uri=, uriOrId=, type=@0x7f7993b15230, rm=) at ../../../nepomuk/core/resourcedata.cpp:96 No locals. #8 0x00007f799ee70b60 in Nepomuk::ResourceManagerPrivate::data ( this=0x1eaa3a0, uri=, type=@0x7f7993b15640) at ../../../nepomuk/core/resourcemanager.cpp:87 url = {d = 0x2812000} lock = {{mtx = 0x1eaa3c1, val = 32154561}} #9 0x00007f799ee86dbe in Resource (this=0x7f7993b154c0, uri=@0x7f7993b154f0, type=@0x7f7993b15640) at ../../../nepomuk/core/resource.cpp:91 No locals. #10 0x00007f799573b25d in ?? () from /usr/lib/kde4/nepomukstrigiservice.so No symbol table info available. #11 0x00007f799573bc8b in ?? () from /usr/lib/kde4/nepomukstrigiservice.so No symbol table info available. #12 0x00007f799573bc8b in ?? () from /usr/lib/kde4/nepomukstrigiservice.so No symbol table info available. #13 0x00007f799573bc8b in ?? () from /usr/lib/kde4/nepomukstrigiservice.so No symbol table info available. #14 0x00007f799573bc8b in ?? () from /usr/lib/kde4/nepomukstrigiservice.so No symbol table info available. #15 0x00007f799573bc8b in ?? () from /usr/lib/kde4/nepomukstrigiservice.so No symbol table info available. #16 0x00007f799573bc8b in ?? () from /usr/lib/kde4/nepomukstrigiservice.so No symbol table info available. #17 0x00007f799573bc8b in ?? () from /usr/lib/kde4/nepomukstrigiservice.so No symbol table info available. #18 0x00007f799573d645 in ?? () from /usr/lib/kde4/nepomukstrigiservice.so No symbol table info available. #19 0x00007f799fa76775 in QThreadPrivate::start (arg=0x1eab7e0) at thread/qthread_unix.cpp:248 data = (QThreadData *) 0x1eaba20 #20 0x00007f799f7e69ca in start_thread () from /lib/libpthread.so.0 No symbol table info available. #21 0x00007f799dbef6dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 No locals. #22 0x0000000000000000 in ?? () No symbol table info available. . Thread 1 (process 2424): #0 0x00007f799db3ca75 in *__GI_raise (sig=) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64 pid = selftid = #1 0x00007f799db405c0 in *__GI_abort () at abort.c:92 act = {__sigaction_handler = {sa_handler = 0x7fffb786ec00, sa_sigaction = 0x7fffb786ec00}, sa_mask = {__val = {140736272460992, 140736272468709, 27, 140160314706127, 3, 140736272461002, 6, 140160314706131, 2, 140736272460990, 2, 140160314697208, 1, 140160314706127, 3, 140736272460996}}, sa_flags = 12, sa_restorer = 0x7f799dc508d3} sigs = {__val = {32, 0 }} #2 0x00007f799db764fb in __libc_message (do_abort=, fmt=) at ../sysdeps/unix/sysv/linux/libc_fatal.c:189 ap = {{gp_offset = 40, fp_offset = 48, overflow_arg_area = 0x7fffb786f640, reg_save_area = 0x7fffb786f550}} ap_copy = {{gp_offset = 16, fp_offset = 48, overflow_arg_area = 0x7fffb786f640, reg_save_area = 0x7fffb786f550}} fd = 2 on_2 = list = nlist = 0 cp = written = false #3 0x00007f799db805b6 in malloc_printerr (action=3, str=0x7f799dc52678 "double free or corruption (!prev)", ptr=) at malloc.c:6264 buf = "00007f798072c740" cp = 0x0 #4 0x00007f799db86e53 in *__GI___libc_free (mem=) at malloc.c:3738 ar_ptr = (mstate) 0x7f7980000020 p = (mchunkptr) 0x0 #5 0x00007f799fabafdc in QString::free (d=0x7f798072c740) at tools/qstring.cpp:1108 No locals. #6 0x00007f79957377e8 in ?? () from /usr/lib/kde4/nepomukstrigiservice.so No symbol table info available. #7 0x00007f7995741201 in ?? () from /usr/lib/kde4/nepomukstrigiservice.so No symbol table info available. #8 0x00007f7995741317 in ?? () from /usr/lib/kde4/nepomukstrigiservice.so No symbol table info available. #9 0x00007f799fb7de3f in QMetaObject::activate (sender=0x1ea8cf0, m=, local_signal_index=, argv=0xffffffffffffffff) at kernel/qobject.cpp:3293 method = 17 currentSender = {sender = 0x1ea8cf0, signal = 4, ref = 1} previousSender = (QObjectPrivate::Sender *) 0x0 c = (QObjectPrivate::Connection *) 0x1faf490 last = (QObjectPrivate::Connection *) 0x1faf490 methodOffset = signal_absolute_index = 4 empty_argv = {0x0} locker = {{mtx = 0x1e43fa0, val = 31735712}} currentThreadData = (QThreadData *) 0x1d77ff0 connectionLists = (QObjectConnectionListVector *) 0x1f1f2e0 signalOffset = signal_index = #10 0x00007f7995737918 in ?? () from /usr/lib/kde4/nepomukstrigiservice.so No symbol table info available. #11 0x00007f799fb7ad49 in QObject::event (this=0x1ea8cf0, e=0x251ccb0) at kernel/qobject.cpp:1248 currentSender = {sender = 0x1eab7e0, signal = 13, ref = 1} previousSender = (QObjectPrivate::Sender * const) 0x0 #12 0x00007f799e35d22c in QApplicationPrivate::notify_helper (this=0x1d8dcf0, receiver=0x1ea8cf0, e=0x251ccb0) at kernel/qapplication.cpp:4300 consumed = #13 0x00007f799e3636fb in QApplication::notify (this=0x7fffb7870490, receiver=0x1ea8cf0, e=0x251ccb0) at kernel/qapplication.cpp:4183 res = #14 0x00007f799fb6b06c in QCoreApplication::notifyInternal ( this=0x7fffb7870490, receiver=0x1ea8cf0, event=0x251ccb0) at kernel/qcoreapplication.cpp:704 result = false cbdata = {0x1ea8cf0, 0x251ccb0, 0x7fffb786ff7f} threadData = (QThreadData *) 0x1d77ff0 returnValue = #15 0x00007f799fb6d7e7 in QCoreApplicationPrivate::sendPostedEvents ( receiver=0x0, event_type=, data=0x1d77ff0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215 pe = (const QPostEvent &) @0x2871d80: {receiver = 0x1ea8cf0, event = 0x0, priority = 0} e = (class QEvent *) 0x251ccb0 r = (class QObject *) 0x1ea8cf0 locker = {{mtx = 0x1d78030, val = 30900272}} startOffset = 0 i = (int &) @0x1d78024: 2 #16 0x00007f799fb949d3 in postEventSourceDispatch (s=) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220 No locals. #17 0x00007f799d0428c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0 No symbol table info available. #18 0x00007f799d046748 in ?? () from /lib/libglib-2.0.so.0 No symbol table info available. #19 0x00007f799d0468fc in g_main_context_iteration () from /lib/libglib-2.0.so.0 No symbol table info available. #20 0x00007f799fb94513 in QEventDispatcherGlib::processEvents ( this=0x1d77b30, flags=) at kernel/qeventdispatcher_glib.cpp:412 d = (QEventDispatcherGlibPrivate * const) 0x1d85790 canWait = true result = #21 0x00007f799e40d31e in QGuiEventDispatcherGlib::processEvents (this=0x978, flags=) at kernel/qguieventdispatcher_glib.cpp:204 d = (QGuiEventDispatcherGlibPrivate * const) 0x1d85790 returnValue = false #22 0x00007f799fb69992 in QEventLoop::processEvents ( this=, 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 = (QEventLoopPrivate * const) 0x1e06500 #23 0x00007f799fb69d6c in QEventLoop::exec (this=0x7fffb7870270, 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:201 d = (QEventLoopPrivate * const) 0x1e06500 app = (class QCoreApplication *) 0x7fffb7870490 #24 0x00007f799fb6daab in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981 threadData = (QThreadData *) 0x1d77ff0 eventLoop = { = {_vptr.QObject = 0x7f799fe7c910, static staticMetaObject = {d = {superdata = 0x0, stringdata = 0x7f799fc111e0 "QObject", data = 0x7f799fc11280, extradata = 0x7f799fe74180}}, d_ptr = {d = 0x1e06500}, static staticQtMetaObject = {d = {superdata = 0x0, stringdata = 0x7f799fc19e60 "Qt", data = 0x7f799fc1d480, extradata = 0x0}}}, static staticMetaObject = {d = { superdata = 0x606300, stringdata = 0x7f799fc22f40 "QEventLoop", data = 0x7f799fc22f60, extradata = 0x0}}} returnCode = -1 #25 0x0000000000403aec in _start () No symbol table info available. Current language: auto; currently asm Current language: auto; currently c