Bug 314074

Application: plasma-desktop (0.4)
KDE Platform Version: 4.9.4
Qt Version: 4.8.3
Operating System: Linux 3.5.0-17-generic x86_64
Distribution: Linux Mint 14 Nadia

-- Information about the crash:
- What I was doing when the application crashed:
Just wanted to get new widgets
Go:
Add widgets > Get New widgets > Download new Plasma widgets

(Mint 14 KDE)

The crash can be reproduced every time.

-- Backtrace:
Application: Оболочка Plasma (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f8f86a95780 (LWP 2039))]

Thread 4 (Thread 0x7f8f76475700 (LWP 2040)):
#0  0x00007f8f8e1c205d in __pthread_mutex_unlock_usercnt (mutex=<optimized out>, decr=<optimized out>) at pthread_mutex_unlock.c:52
#1  __pthread_mutex_unlock (mutex=0x7f8f70000a60) at pthread_mutex_unlock.c:290
#2  0x00007f8f8dafce51 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8f8dabfc9e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f8f8dabfea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f8f96acec16 in QEventDispatcherGlib::processEvents (this=0x7f8f700008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f8f96a9f2bf in QEventLoop::processEvents (this=this@entry=0x7f8f76474dd0, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f8f96a9f548 in QEventLoop::exec (this=0x7f8f76474dd0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f8f969a0b10 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#9  0x00007f8f96a7f9af in QInotifyFileSystemWatcherEngine::run (this=0x22d0250) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00007f8f969a3aec in QThreadPrivate::start (arg=0x22d0250) at thread/qthread_unix.cpp:338
#11 0x00007f8f8e1bee9a in start_thread (arg=0x7f8f76475700) at pthread_create.c:308
#12 0x00007f8f99e2bcbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f8f7522b700 (LWP 2041)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f8f93b25cd7 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f8f93b25d09 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f8f8e1bee9a in start_thread (arg=0x7f8f7522b700) at pthread_create.c:308
#4  0x00007f8f99e2bcbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f8f67fff700 (LWP 2045)):
#0  0x00007f8f99e20303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f8f8dabfd84 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8f8dac01e2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8f6cb5f4a6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f8f8dae3645 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f8f8e1bee9a in start_thread (arg=0x7f8f67fff700) at pthread_create.c:308
#6  0x00007f8f99e2bcbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f8f86a95780 (LWP 2039)):
[KCrash Handler]
#6  0x00007f8f98693dd4 in QDeclarativeItem::~QDeclarativeItem (this=0x630fed0, __in_chrg=<optimized out>) at graphicsitems/qdeclarativeitem.cpp:1668
#7  0x00007f8f74264311 in ~QDeclarativeElement (this=0x630fed0, __in_chrg=<optimized out>) at /usr/include/qt4/QtDeclarative/qdeclarativeprivate.h:87
#8  QDeclarativePrivate::QDeclarativeElement<Plasma::FrameSvgItem>::~QDeclarativeElement (this=0x630fed0, __in_chrg=<optimized out>) at /usr/include/qt4/QtDeclarative/qdeclarativeprivate.h:87
#9  0x00007f8f96ab5468 in QObject::event (this=0x630fed0, e=<optimized out>) at kernel/qobject.cpp:1176
#10 0x00007f8f95e47e9c in QApplicationPrivate::notify_helper (this=this@entry=0x226ed80, receiver=receiver@entry=0x630fed0, e=e@entry=0x40a5800) at kernel/qapplication.cpp:4562
#11 0x00007f8f95e4c30a in QApplication::notify (this=0x22453a0, receiver=0x630fed0, e=0x40a5800) at kernel/qapplication.cpp:4423
#12 0x00007f8f977591d6 in KApplication::notify (this=0x22453a0, receiver=0x630fed0, event=0x40a5800) at ../../kdeui/kernel/kapplication.cpp:311
#13 0x00007f8f96aa056e in QCoreApplication::notifyInternal (this=0x22453a0, receiver=receiver@entry=0x630fed0, event=event@entry=0x40a5800) at kernel/qcoreapplication.cpp:915
#14 0x00007f8f96aa43f1 in sendEvent (event=0x40a5800, receiver=0x630fed0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#15 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x21df1f0) at kernel/qcoreapplication.cpp:1539
#16 0x00007f8f96acea63 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#17 postEventSourceDispatch (s=0x2272b50) at kernel/qeventdispatcher_glib.cpp:279
#18 0x00007f8f8dabfab5 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007f8f8dabfde8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f8f8dabfea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f8f96acebf6 in QEventDispatcherGlib::processEvents (this=0x21e0ad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#22 0x00007f8f95eecc1e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#23 0x00007f8f96a9f2bf in QEventLoop::processEvents (this=this@entry=0x7fffbbb3e2a0, flags=...) at kernel/qeventloop.cpp:149
#24 0x00007f8f96a9f548 in QEventLoop::exec (this=0x7fffbbb3e2a0, flags=...) at kernel/qeventloop.cpp:204
#25 0x00007f8f96aa4708 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#26 0x00007f8f9a132035 in kdemain (argc=1, argv=0x7fffbbb3e598) at ../../../../plasma/desktop/shell/main.cpp:120
#27 0x00007f8f99d5976d in __libc_start_main (main=0x4006a0 <main(int, char**)>, argc=1, ubp_av=0x7fffbbb3e598, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffbbb3e588) at libc-start.c:226
#28 0x00000000004006d1 in _start ()

Possible duplicates by query: bug 314000, bug 313752, bug 313668, bug 313553, bug 313284.

Reported using DrKonqi