Bug 307472

Application: plasma-desktop (0.4)
KDE Platform Version: 4.8.5 (4.8.5)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-31-generic x86_64
Distribution: Ubuntu 12.04.1 LTS

-- Information about the crash:
When dragging a task from the task manager in a panel to another desktop in the desktop switcher, the crash occurred. The task was successfully transferred; however, the panel vanished temporarily, and on the other desktop the window of the program moved had resized and was partly off screen.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f5ccb7a07c0 (LWP 2177))]

Thread 4 (Thread 0x7f5ca5841700 (LWP 2178)):
#0  0x00007f5ccb06eb03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f5cbf221036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5cbf221164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5cc8241426 in QEventDispatcherGlib::processEvents (this=0x7f5ca00008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f5cc8210c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f5cc8210ed7 in QEventLoop::exec (this=0x7f5ca5840cd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f5cc810ffa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f5cc81f09ff in QInotifyFileSystemWatcherEngine::run (this=0x26babb0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f5cc8112fcb in QThreadPrivate::start (arg=0x26babb0) at thread/qthread_unix.cpp:298
#9  0x00007f5cbc51ab74 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#10 0x00007f5cbfb25e9a in start_thread (arg=0x7f5ca5841700) at pthread_create.c:308
#11 0x00007f5ccb07a4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f5c93fff700 (LWP 2182)):
#0  0x00007f5ccb06eb03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f5cbf221036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5cbf221164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5cc8241426 in QEventDispatcherGlib::processEvents (this=0x7f5c8c0008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f5cc8210c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f5cc8210ed7 in QEventLoop::exec (this=0x7f5c93ffecd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f5cc810ffa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f5cc81f09ff in QInotifyFileSystemWatcherEngine::run (this=0x2e180b0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f5cc8112fcb in QThreadPrivate::start (arg=0x2e180b0) at thread/qthread_unix.cpp:298
#9  0x00007f5cbc51ab74 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#10 0x00007f5cbfb25e9a in start_thread (arg=0x7f5c93fff700) at pthread_create.c:308
#11 0x00007f5ccb07a4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f5c937fe700 (LWP 2183)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f5cc4ff5222 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f5cc4ff5259 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f5cbc51ab74 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#4  0x00007f5cbfb25e9a in start_thread (arg=0x7f5c937fe700) at pthread_create.c:308
#5  0x00007f5ccb07a4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f5ccb7a07c0 (LWP 2177)):
[KCrash Handler]
#6  QMutex::lock (this=0x100000048) at thread/qmutex.cpp:150
#7  0x00007f5cc82154c9 in QCoreApplication::postEvent (receiver=0xf71b810, event=0xf71c440, priority=0) at kernel/qcoreapplication.cpp:1281
#8  0x00007f5cc762382a in QX11Data::xdndHandleFinished (this=<optimized out>, xe=0x7fff9146c630, passive=false) at kernel/qdnd_x11.cpp:1256
#9  0x00007f5cc7615693 in QApplication::x11ClientMessage (this=<optimized out>, w=0x277cdb0, event=<optimized out>, passive_only=<optimized out>) at kernel/qapplication_x11.cpp:3242
#10 0x00007f5cc7613beb in QApplication::x11ProcessEvent (this=0x1b8faf0, event=0x7fff9146c630) at kernel/qapplication_x11.cpp:3871
#11 0x00007f5cc763d0d2 in x11EventSourceDispatch (s=0x1be52a0, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#12 0x00007f5cbf220d53 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007f5cbf2210a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#14 0x00007f5cbf221164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#15 0x00007f5cc82413bf in QEventDispatcherGlib::processEvents (this=0x1aedad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#16 0x00007f5cc763cd5e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#17 0x00007f5cc8210c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#18 0x00007f5cc8210ed7 in QEventLoop::exec (this=0x7fff9146c9d0, flags=...) at kernel/qeventloop.cpp:204
#19 0x00007f5cc8215f67 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#20 0x00007f5ccb386a13 in kdemain (argc=1, argv=0x7fff9146cdb8) at ../../../../plasma/desktop/shell/main.cpp:120
#21 0x00007f5ccafa976d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fff9146cdb8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff9146cda8) at libc-start.c:226
#22 0x0000000000400671 in _start ()

Possible duplicates by query: bug 304742, bug 296803, bug 296467, bug 296001, bug 294645.

Reported using DrKonqi