Bug 302312

Application: plasma-desktop (0.4)
KDE Platform Version: 4.8.3 (4.8.3)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-25-generic x86_64
Distribution: Ubuntu 12.04 LTS

-- Information about the crash:
- What I was doing when the application crashed:

Plasma crashed right after loging in my desktop, this seems to happen while having the M@il Checker plasmoid on the desktop.

The crash can be reproduced every time.

-- Backtrace:
Application: Shell de escritorio 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 0x7f91d3719780 (LWP 1948))]

Thread 5 (Thread 0x7f91a25e9700 (LWP 2005)):
#0  0x00007f91d2fe2b03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f91c719c036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f91c719c164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f91d01bf426 in QEventDispatcherGlib::processEvents (this=0x7f919c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f91d018ec82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f91d018eed7 in QEventLoop::exec (this=0x7f91a25e8dd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f91d008dfa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f91d016e9ff in QInotifyFileSystemWatcherEngine::run (this=0x1f066b0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f91d0090fcb in QThreadPrivate::start (arg=0x1f066b0) at thread/qthread_unix.cpp:298
#9  0x00007f91c7aa0e9a in start_thread (arg=0x7f91a25e9700) at pthread_create.c:308
#10 0x00007f91d2fee4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f919bb05700 (LWP 2007)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f91ccf73222 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f91ccf73259 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f91c7aa0e9a in start_thread (arg=0x7f919bb05700) at pthread_create.c:308
#4  0x00007f91d2fee4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f9199386700 (LWP 2011)):
#0  0x00007f91d2fe2b03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f91c719c036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f91c719c164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f91d01bf426 in QEventDispatcherGlib::processEvents (this=0x7f91940008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f91d018ec82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f91d018eed7 in QEventLoop::exec (this=0x7f9199385dd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f91d008dfa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f91d016e9ff in QInotifyFileSystemWatcherEngine::run (this=0x2b83670) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f91d0090fcb in QThreadPrivate::start (arg=0x2b83670) at thread/qthread_unix.cpp:298
#9  0x00007f91c7aa0e9a in start_thread (arg=0x7f9199386700) at pthread_create.c:308
#10 0x00007f91d2fee4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f9193d9b700 (LWP 2036)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f91d00914db in wait (time=18446744073709551615, this=0x189adb0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0xc5ff60, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f91b69ad372 in meth_QWaitCondition_wait (sipSelf=<QWaitCondition at remote 0x1e13ad0>, sipArgs=(<QMutex at remote 0x1e138a0>,), sipKwds=<optimized out>) at sipQtCorepart1.cpp:6650
#4  0x00007f91b7601845 in PyEval_EvalFrameEx () from /usr/lib/libpython2.7.so.1.0
#5  0x00007f91b75cc605 in PyEval_EvalCodeEx () from /usr/lib/libpython2.7.so.1.0
#6  0x00007f91b75cc7bd in function_call () from /usr/lib/libpython2.7.so.1.0
#7  0x00007f91b76b0e83 in PyObject_Call () from /usr/lib/libpython2.7.so.1.0
#8  0x00007f91b76951cf in instancemethod_call.8746 () from /usr/lib/libpython2.7.so.1.0
#9  0x00007f91b76b0e83 in PyObject_Call () from /usr/lib/libpython2.7.so.1.0
#10 0x00007f91b76b17d7 in PyEval_CallObjectWithKeywords () from /usr/lib/libpython2.7.so.1.0
#11 0x00007f91b66f1972 in sip_api_call_method (isErr=0x0, method=<instancemethod at remote 0xf4fcd0>, fmt=0x7f91b6a9aeb3 "") at /build/buildd/sip4-4.13.2/siplib/siplib.c:1751
#12 0x00007f91b6994d50 in sipVH_QtCore_11 (sipGILState=PyGILState_UNLOCKED, sipMethod=<instancemethod at remote 0xf4fcd0>) at sipQtCorepart0.cpp:4452
#13 0x00007f91b69ca78f in sipQThread::run (this=0x1fd5cf0) at sipQtCorepart2.cpp:2900
#14 0x00007f91d0090fcb in QThreadPrivate::start (arg=0x1fd5cf0) at thread/qthread_unix.cpp:298
#15 0x00007f91c7aa0e9a in start_thread (arg=0x7f9193d9b700) at pthread_create.c:308
#16 0x00007f91d2fee4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#17 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f91d3719780 (LWP 1948)):
[KCrash Handler]
#6  0x00007f91b7601791 in PyEval_EvalFrameEx () from /usr/lib/libpython2.7.so.1.0
#7  0x00007f91b76025eb in PyEval_EvalFrameEx () from /usr/lib/libpython2.7.so.1.0
#8  0x00007f91b75cc605 in PyEval_EvalCodeEx () from /usr/lib/libpython2.7.so.1.0
#9  0x00007f91b75cc7bd in function_call () from /usr/lib/libpython2.7.so.1.0
#10 0x00007f91b76b0e83 in PyObject_Call () from /usr/lib/libpython2.7.so.1.0
#11 0x00007f91b76951cf in instancemethod_call.8746 () from /usr/lib/libpython2.7.so.1.0
#12 0x00007f91b76b0e83 in PyObject_Call () from /usr/lib/libpython2.7.so.1.0
#13 0x00007f91b76b17d7 in PyEval_CallObjectWithKeywords () from /usr/lib/libpython2.7.so.1.0
#14 0x00007f91b66f1972 in sip_api_call_method (isErr=0x0, method=<instancemethod at remote 0xf2b690>, fmt=0x7f91b6a8e4e8 "D") at /build/buildd/sip4-4.13.2/siplib/siplib.c:1751
#15 0x00007f91b6994bf5 in sipVH_QtCore_17 (sipGILState=PyGILState_LOCKED, sipMethod=<instancemethod at remote 0xf2b690>, a0=<optimized out>) at sipQtCorepart0.cpp:4545
#16 0x00007f91b6a6a946 in sipQObject::customEvent (this=0x1e74610, a0=0x3a69500) at sipQtCorepart8.cpp:13605
#17 0x00007f91d01a94ac in QObject::event (this=0x1e74610, e=<optimized out>) at kernel/qobject.cpp:1226
#18 0x00007f91b6a6e1a9 in event (a0=0x3a69500, this=0x1e74610) at sipQtCorepart8.cpp:13532
#19 sipQObject::event (this=0x1e74610, a0=0x3a69500) at sipQtCorepart8.cpp:13524
#20 0x00007f91cf512894 in notify_helper (e=0x3a69500, receiver=0x1e74610, this=0x90d930) at kernel/qapplication.cpp:4559
#21 QApplicationPrivate::notify_helper (this=0x90d930, receiver=0x1e74610, e=0x3a69500) at kernel/qapplication.cpp:4531
#22 0x00007f91cf517713 in QApplication::notify (this=0x8ffba0, receiver=0x1e74610, e=0x3a69500) at kernel/qapplication.cpp:4420
#23 0x00007f91d0e6dbb6 in KApplication::notify (this=0x8ffba0, receiver=0x1e74610, event=0x3a69500) at ../../kdeui/kernel/kapplication.cpp:311
#24 0x00007f91d018fe9c in QCoreApplication::notifyInternal (this=0x8ffba0, receiver=0x1e74610, event=0x3a69500) at kernel/qcoreapplication.cpp:876
#25 0x00007f91d0193c6a in sendEvent (event=0x3a69500, receiver=0x1e74610) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#26 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x88f1f0) at kernel/qcoreapplication.cpp:1500
#27 0x00007f91d01bef93 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#28 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:279
#29 0x00007f91c719bd53 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007f91c719c0a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007f91c719c164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#32 0x00007f91d01bf3bf in QEventDispatcherGlib::processEvents (this=0x890ad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#33 0x00007f91cf5bad5e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#34 0x00007f91d018ec82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#35 0x00007f91d018eed7 in QEventLoop::exec (this=0x7fffc2ed1070, flags=...) at kernel/qeventloop.cpp:204
#36 0x00007f91d0193f67 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#37 0x00007f91d32faa13 in kdemain (argc=1, argv=0x7fffc2ed1458) at ../../../../plasma/desktop/shell/main.cpp:120
#38 0x00007f91d2f1d76d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fffc2ed1458, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffc2ed1448) at libc-start.c:226
#39 0x0000000000400671 in _start ()

This bug may be a duplicate of or related to bug 293719.

Possible duplicates by query: bug 302071, bug 302022, bug 301500, bug 301270, bug 300411.

Reported using DrKonqi