Bug 284635

Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.2 (4.7.2) (Compiled from sources)
Qt Version: 4.7.4
Operating System: Linux 3.0.6-gentoo x86_64
Distribution (Platform): Gentoo Packages

-- Information about the crash:
- What I was doing when the application crashed: Plasma opened an error screen stating that it had unexpectedly closed...I was in process of logging out of the computer while this error screen appeared...

-- Backtrace:
Application: Plasma Desktop Shell (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fe4b149f760 (LWP 2847))]

Thread 6 (Thread 0x7fe4916dc700 (LWP 2851)):
#0  0x00007fe4aeb37aa3 in *__GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fe4abd68cc0 in g_main_context_poll (n_fds=1, fds=0x7fe48c0024c0, timeout=-1, context=0x7fe48c0009c0, priority=<optimized out>) at gmain.c:3386
#2  g_main_context_iterate (context=0x7fe48c0009c0, block=1, dispatch=1, self=<optimized out>) at gmain.c:3068
#3  0x00007fe4abd69171 in g_main_context_iteration (context=0x7fe48c0009c0, may_block=1) at gmain.c:3136
#4  0x00007fe4b0119b06 in QEventDispatcherGlib::processEvents (this=0x7fe48c0008d0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007fe4b00ee832 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007fe4b00eea74 in QEventLoop::exec (this=0x7fe4916dbd20, flags=...) at kernel/qeventloop.cpp:201
#7  0x00007fe4b000733c in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#8  0x00007fe4b00d09a8 in QInotifyFileSystemWatcherEngine::run (this=0x245f8a0) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007fe4b0009b15 in QThreadPrivate::start (arg=0x245f8a0) at thread/qthread_unix.cpp:331
#10 0x00007fe4a36e525a in ?? () from /usr/lib64/libGL.so.1
#11 0x00007fe4afd79d1c in start_thread (arg=0x7fe4916dc700) at pthread_create.c:301
#12 0x00007fe4aeb405dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 5 (Thread 0x7fe48a158700 (LWP 3938)):
#0  pthread_cond_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fe4a5cea4f4 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7fe4a6003180) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00007fe4a5cea529 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x7fe4a6011254) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00007fe4a36e525a in ?? () from /usr/lib64/libGL.so.1
#4  0x00007fe4afd79d1c in start_thread (arg=0x7fe48a158700) at pthread_create.c:301
#5  0x00007fe4aeb405dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 4 (Thread 0x7fe48bfff700 (LWP 3994)):
#0  pthread_cond_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fe4b000a1e3 in wait (time=18446744073709551615, this=0x24890f0) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x2498660, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007fe4a4f6ff24 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x24b0480, th=0x2f83090) at /var/tmp/portage/kde-base/kdelibs-4.7.2/work/kdelibs-4.7.2/threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fe4a4f72593 in ThreadWeaver::WorkingHardState::applyForWork (this=0x2496ee0, th=0x2f83090) at /var/tmp/portage/kde-base/kdelibs-4.7.2/work/kdelibs-4.7.2/threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fe4a4f71387 in ThreadWeaver::ThreadRunHelper::run (this=0x7fe48bffed70, parent=0x24b0480, th=0x2f83090) at /var/tmp/portage/kde-base/kdelibs-4.7.2/work/kdelibs-4.7.2/threadweaver/Weaver/Thread.cpp:87
#6  0x00007fe4a4f71418 in ThreadWeaver::Thread::run (this=0x2f83090) at /var/tmp/portage/kde-base/kdelibs-4.7.2/work/kdelibs-4.7.2/threadweaver/Weaver/Thread.cpp:142
#7  0x00007fe4b0009b15 in QThreadPrivate::start (arg=0x2f83090) at thread/qthread_unix.cpp:331
#8  0x00007fe4a36e525a in ?? () from /usr/lib64/libGL.so.1
#9  0x00007fe4afd79d1c in start_thread (arg=0x7fe48bfff700) at pthread_create.c:301
#10 0x00007fe4aeb405dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 3 (Thread 0x7fe47f51c700 (LWP 4228)):
#0  pthread_cond_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fe4b000a1e3 in wait (time=18446744073709551615, this=0x24890f0) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x2498660, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007fe4a4f6ff24 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x24b0480, th=0x28b50a0) at /var/tmp/portage/kde-base/kdelibs-4.7.2/work/kdelibs-4.7.2/threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fe4a4f72593 in ThreadWeaver::WorkingHardState::applyForWork (this=0x2496ee0, th=0x28b50a0) at /var/tmp/portage/kde-base/kdelibs-4.7.2/work/kdelibs-4.7.2/threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fe4a4f71387 in ThreadWeaver::ThreadRunHelper::run (this=0x7fe47f51bd70, parent=0x24b0480, th=0x28b50a0) at /var/tmp/portage/kde-base/kdelibs-4.7.2/work/kdelibs-4.7.2/threadweaver/Weaver/Thread.cpp:87
#6  0x00007fe4a4f71418 in ThreadWeaver::Thread::run (this=0x28b50a0) at /var/tmp/portage/kde-base/kdelibs-4.7.2/work/kdelibs-4.7.2/threadweaver/Weaver/Thread.cpp:142
#7  0x00007fe4b0009b15 in QThreadPrivate::start (arg=0x28b50a0) at thread/qthread_unix.cpp:331
#8  0x00007fe4a36e525a in ?? () from /usr/lib64/libGL.so.1
#9  0x00007fe4afd79d1c in start_thread (arg=0x7fe47f51c700) at pthread_create.c:301
#10 0x00007fe4aeb405dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 2 (Thread 0x7fe4788e7700 (LWP 4229)):
#0  pthread_cond_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fe4b000a1e3 in wait (time=18446744073709551615, this=0x24890f0) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x2498660, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007fe4a4f6ff24 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x24b0480, th=0x2c61e90) at /var/tmp/portage/kde-base/kdelibs-4.7.2/work/kdelibs-4.7.2/threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fe4a4f72593 in ThreadWeaver::WorkingHardState::applyForWork (this=0x2496ee0, th=0x2c61e90) at /var/tmp/portage/kde-base/kdelibs-4.7.2/work/kdelibs-4.7.2/threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fe4a4f71387 in ThreadWeaver::ThreadRunHelper::run (this=0x7fe4788e6d70, parent=0x24b0480, th=0x2c61e90) at /var/tmp/portage/kde-base/kdelibs-4.7.2/work/kdelibs-4.7.2/threadweaver/Weaver/Thread.cpp:87
#6  0x00007fe4a4f71418 in ThreadWeaver::Thread::run (this=0x2c61e90) at /var/tmp/portage/kde-base/kdelibs-4.7.2/work/kdelibs-4.7.2/threadweaver/Weaver/Thread.cpp:142
#7  0x00007fe4b0009b15 in QThreadPrivate::start (arg=0x2c61e90) at thread/qthread_unix.cpp:331
#8  0x00007fe4a36e525a in ?? () from /usr/lib64/libGL.so.1
#9  0x00007fe4afd79d1c in start_thread (arg=0x7fe4788e7700) at pthread_create.c:301
#10 0x00007fe4aeb405dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 1 (Thread 0x7fe4b149f760 (LWP 2847)):
[KCrash Handler]
#6  0x0000000002130ca8 in ?? ()
#7  0x00007fe499a554f6 in TaskGroupItem::~TaskGroupItem (this=0x28b3670, __in_chrg=<optimized out>) at /var/tmp/portage/kde-base/plasma-workspace-4.7.2/work/plasma-workspace-4.7.2/plasma/desktop/applets/tasks/taskgroupitem.cpp:82
#8  0x00007fe499a555a9 in TaskGroupItem::~TaskGroupItem (this=0x28b3670, __in_chrg=<optimized out>) at /var/tmp/portage/kde-base/plasma-workspace-4.7.2/work/plasma-workspace-4.7.2/plasma/desktop/applets/tasks/taskgroupitem.cpp:83
#9  0x00007fe4b0103440 in QObject::event (this=0x28b3670, e=<optimized out>) at kernel/qobject.cpp:1200
#10 0x00007fe4af8bd73b in QGraphicsWidget::event (this=0x28b3670, event=0x27f0fa0) at graphicsview/qgraphicswidget.cpp:1455
#11 0x00007fe4af2c5a64 in QApplicationPrivate::notify_helper (this=0x1b78780, receiver=0x28b3670, e=0x27f0fa0) at kernel/qapplication.cpp:4481
#12 0x00007fe4af2ca54a in QApplication::notify (this=<optimized out>, receiver=0x28b3670, e=0x27f0fa0) at kernel/qapplication.cpp:4360
#13 0x00007fe4b0e933c6 in KApplication::notify (this=0x1b5a4e0, receiver=0x28b3670, event=0x27f0fa0) at /var/tmp/portage/kde-base/kdelibs-4.7.2/work/kdelibs-4.7.2/kdeui/kernel/kapplication.cpp:311
#14 0x00007fe4b00ef423 in QCoreApplication::notifyInternal (this=0x1b5a4e0, receiver=0x28b3670, event=0x27f0fa0) at kernel/qcoreapplication.cpp:787
#15 0x00007fe4b00f2b6c in sendEvent (event=0x27f0fa0, receiver=0x28b3670) at kernel/qcoreapplication.h:215
#16 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=52, data=0x1aa58c0) at kernel/qcoreapplication.cpp:1428
#17 0x00007fe4b00f2e46 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1071
#18 0x00007fe4a0fb9e13 in kdemain (argc=1, argv=0x1aa6d80) at /var/tmp/portage/kde-base/plasma-workspace-4.7.2/work/plasma-workspace-4.7.2/plasma/desktop/shell/main.cpp:120
#19 0x00000000004074a3 in launch (argc=1, _name=0x1b1e0e8 "/usr/bin/plasma-desktop", args=<optimized out>, cwd=0x0, envc=<optimized out>, envs=<optimized out>, reset_env=false, tty=0x0, avoid_loops=false, startup_id_str=0x40b48e "0") at /var/tmp/portage/kde-base/kdelibs-4.7.2/work/kdelibs-4.7.2/kinit/kinit.cpp:734
#20 0x0000000000408098 in handle_launcher_request (sock=<optimized out>, who=<optimized out>) at /var/tmp/portage/kde-base/kdelibs-4.7.2/work/kdelibs-4.7.2/kinit/kinit.cpp:1226
#21 0x0000000000408765 in handle_requests (waitForPid=0) at /var/tmp/portage/kde-base/kdelibs-4.7.2/work/kdelibs-4.7.2/kinit/kinit.cpp:1419
#22 0x0000000000409349 in main (argc=2, argv=0x7ffff91e55d8, envp=0x7ffff91e55f0) at /var/tmp/portage/kde-base/kdelibs-4.7.2/work/kdelibs-4.7.2/kinit/kinit.cpp:1907

This bug may be a duplicate of or related to bug 275286.

Possible duplicates by query: bug 284630, bug 284615, bug 284594, bug 284150, bug 284034.

Reported using DrKonqi