Bug 284658

Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.1 (4.7.1) (Compiled from sources)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-12-generic x86_64
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:  I was surfing web and installing a program from ubuntu software center.  Streamtuner 2

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f5b86b0e7a0 (LWP 1837))]

Thread 8 (Thread 0x7f5b644e2700 (LWP 1843)):
#0  0x00007f5b863ed773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f5b7a97af68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5b7a97b429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5b835e1f3e in QEventDispatcherGlib::processEvents (this=0x1da57f0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f5b835b5cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f5b835b5ef7 in QEventLoop::exec (this=0x7f5b644e1db0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f5b834cd27f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f5b83598cbf in QInotifyFileSystemWatcherEngine::run (this=0x1da5a90) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f5b834cfd05 in QThreadPrivate::start (arg=0x1da5a90) at thread/qthread_unix.cpp:331
#9  0x00007f5b7b487efc in start_thread (arg=0x7f5b644e2700) at pthread_create.c:304
#10 0x00007f5b863f989d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7f5b61a53700 (LWP 1844)):
#0  0x00007f5b7b48b1fd in __pthread_mutex_unlock_usercnt (mutex=<optimized out>, decr=<optimized out>) at pthread_mutex_unlock.c:52
#1  __pthread_mutex_unlock (mutex=0x1fc0b98) at pthread_mutex_unlock.c:290
#2  0x00007f5b7a97b451 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5b835e1f3e in QEventDispatcherGlib::processEvents (this=0x1fb9320, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f5b835b5cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f5b835b5ef7 in QEventLoop::exec (this=0x7f5b61a52db0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f5b834cd27f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f5b83598cbf in QInotifyFileSystemWatcherEngine::run (this=0x1fc0260) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f5b834cfd05 in QThreadPrivate::start (arg=0x1fc0260) at thread/qthread_unix.cpp:331
#9  0x00007f5b7b487efc in start_thread (arg=0x7f5b61a53700) at pthread_create.c:304
#10 0x00007f5b863f989d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7f5b57c19700 (LWP 2064)):
#0  0x00007f5b7b48b1fd in __pthread_mutex_unlock_usercnt (mutex=<optimized out>, decr=<optimized out>) at pthread_mutex_unlock.c:52
#1  __pthread_mutex_unlock (mutex=0x26ba998) at pthread_mutex_unlock.c:290
#2  0x00007f5b7a979f3f in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5b7a97adfd in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f5b7a97b792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f5b586f7516 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#6  0x00007f5b7a9a02b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f5b7b487efc in start_thread (arg=0x7f5b57c19700) at pthread_create.c:304
#8  0x00007f5b863f989d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#9  0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f5b57017700 (LWP 2492)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f5b834d01ab in wait (time=18446744073709551615, this=0x1e02e90) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1e03930, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f5b7f2ca864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1e9cbb0, th=0x2cfd260) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f5b7f2cce0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1e03a30, th=0x2cfd260) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f5b7f2cce24 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1e03a30, th=0x2cfd260) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f5b7f2cbccf in ThreadWeaver::ThreadRunHelper::run (this=0x7f5b57016e00, parent=0x1e9cbb0, th=0x2cfd260) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007f5b7f2cbd5b in ThreadWeaver::Thread::run (this=0x2cfd260) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007f5b834cfd05 in QThreadPrivate::start (arg=0x2cfd260) at thread/qthread_unix.cpp:331
#9  0x00007f5b7b487efc in start_thread (arg=0x7f5b57017700) at pthread_create.c:304
#10 0x00007f5b863f989d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f5b5a44d700 (LWP 2493)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f5b834d01ab in wait (time=18446744073709551615, this=0x1e02e90) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1e03930, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f5b7f2ca864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1e9cbb0, th=0x1981480) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f5b7f2cce0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1e03a30, th=0x1981480) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f5b7f2cbccf in ThreadWeaver::ThreadRunHelper::run (this=0x7f5b5a44ce00, parent=0x1e9cbb0, th=0x1981480) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f5b7f2cbd5b in ThreadWeaver::Thread::run (this=0x1981480) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f5b834cfd05 in QThreadPrivate::start (arg=0x1981480) at thread/qthread_unix.cpp:331
#8  0x00007f5b7b487efc in start_thread (arg=0x7f5b5a44d700) at pthread_create.c:304
#9  0x00007f5b863f989d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f5b5841a700 (LWP 2494)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f5b834d01ab in wait (time=18446744073709551615, this=0x1e02e90) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1e03930, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f5b7f2ca864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1e9cbb0, th=0x23e8f90) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f5b7f2cce0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1e03a30, th=0x23e8f90) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f5b7f2cce24 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1e03a30, th=0x23e8f90) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f5b7f2cce24 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1e03a30, th=0x23e8f90) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#7  0x00007f5b7f2cbccf in ThreadWeaver::ThreadRunHelper::run (this=0x7f5b58419e00, parent=0x1e9cbb0, th=0x23e8f90) at ../../../threadweaver/Weaver/Thread.cpp:87
#8  0x00007f5b7f2cbd5b in ThreadWeaver::Thread::run (this=0x23e8f90) at ../../../threadweaver/Weaver/Thread.cpp:142
#9  0x00007f5b834cfd05 in QThreadPrivate::start (arg=0x23e8f90) at thread/qthread_unix.cpp:331
#10 0x00007f5b7b487efc in start_thread (arg=0x7f5b5841a700) at pthread_create.c:304
#11 0x00007f5b863f989d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f5b543ac700 (LWP 2495)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f5b834d01ab in wait (time=18446744073709551615, this=0x1e02e90) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1e03930, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f5b7f2ca864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1e9cbb0, th=0x2aca350) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f5b7f2cce0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1e03a30, th=0x2aca350) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f5b7f2cbccf in ThreadWeaver::ThreadRunHelper::run (this=0x7f5b543abe00, parent=0x1e9cbb0, th=0x2aca350) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f5b7f2cbd5b in ThreadWeaver::Thread::run (this=0x2aca350) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f5b834cfd05 in QThreadPrivate::start (arg=0x2aca350) at thread/qthread_unix.cpp:331
#8  0x00007f5b7b487efc in start_thread (arg=0x7f5b543ac700) at pthread_create.c:304
#9  0x00007f5b863f989d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f5b86b0e7a0 (LWP 1837)):
[KCrash Handler]
#6  operator== (value=0, this=0x646572502d64696c) at /usr/include/qt4/QtCore/qbasicatomic.h:70
#7  data (this=0x25372e0) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:575
#8  backendObject (this=0x25372c0) at ../../../solid/solid/device_p.h:44
#9  Solid::Device::asDeviceInterface (this=0x7fffe41b1e10, type=@0x1dc50f8) at ../../../solid/solid/device.cpp:167
#10 0x00007f5b7edf4ac4 in Solid::Predicate::matches (this=0x2d97ad0, device=...) at ../../../solid/solid/predicate.cpp:203
#11 0x00007f5b7edf4a5c in Solid::Predicate::matches (this=0x2481d68, device=...) at ../../../solid/solid/predicate.cpp:199
#12 0x00007f5b5a66a2ad in ?? () from /usr/lib/kde4/plasma_engine_hotplug.so
#13 0x00007f5b5a66c062 in ?? () from /usr/lib/kde4/plasma_engine_hotplug.so
#14 0x00007f5b5a66c2bd in ?? () from /usr/lib/kde4/plasma_engine_hotplug.so
#15 0x00007f5b835c9eba in QMetaObject::activate (sender=0x2439ee0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffe41b1fa0) at kernel/qobject.cpp:3278
#16 0x00007f5b83c73762 in KDirWatch::dirty (this=<optimized out>, _t1=<optimized out>) at ./kdirwatch.moc:99
#17 0x00007f5b83c73a05 in KDirWatch::qt_metacall (this=0x2439ee0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x31935b0) at ./kdirwatch.moc:86
#18 0x00007f5b835cda5e in QObject::event (this=0x2439ee0, e=<optimized out>) at kernel/qobject.cpp:1217
#19 0x00007f5b82967424 in notify_helper (e=0x1da82b0, receiver=0x2439ee0, this=0x1191320) at kernel/qapplication.cpp:4486
#20 QApplicationPrivate::notify_helper (this=0x1191320, receiver=0x2439ee0, e=0x1da82b0) at kernel/qapplication.cpp:4458
#21 0x00007f5b8296c291 in QApplication::notify (this=0x1186970, receiver=0x2439ee0, e=0x1da82b0) at kernel/qapplication.cpp:4365
#22 0x00007f5b842651e6 in KApplication::notify (this=0x1186970, receiver=0x2439ee0, event=0x1da82b0) at ../../kdeui/kernel/kapplication.cpp:311
#23 0x00007f5b835b6afc in QCoreApplication::notifyInternal (this=0x1186970, receiver=0x2439ee0, event=0x1da82b0) at kernel/qcoreapplication.cpp:787
#24 0x00007f5b835ba51f in sendEvent (event=0x1da82b0, receiver=0x2439ee0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#25 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x1126430) at kernel/qcoreapplication.cpp:1428
#26 0x00007f5b835e1a73 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#27 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:277
#28 0x00007f5b7a97aa5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007f5b7a97b258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007f5b7a97b429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007f5b835e1ed6 in QEventDispatcherGlib::processEvents (this=0x1127f40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#32 0x00007f5b82a0f07e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#33 0x00007f5b835b5cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#34 0x00007f5b835b5ef7 in QEventLoop::exec (this=0x7fffe41b2760, flags=...) at kernel/qeventloop.cpp:201
#35 0x00007f5b835ba789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#36 0x00007f5b866f81a3 in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_plasma-desktop.so
#37 0x00007f5b8633930d in __libc_start_main (main=0x400640, argc=1, ubp_av=0x7fffe41b2b48, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffe41b2b38) at libc-start.c:226
#38 0x0000000000400671 in _start ()

Possible duplicates by query: bug 282796, bug 281918, bug 280727, bug 279557, bug 279422.

Reported using DrKonqi