Bug 279959

Summary: panel remove
Product: [Unmaintained] plasma4 Reporter: Anthony <anthonylancaster84>
Component: generalAssignee: Plasma Bugs List <plasma-bugs>
Status: RESOLVED DUPLICATE    
Severity: crash CC: asraniel, bestmorozov, brunojcm
Priority: NOR    
Version: unspecified   
Target Milestone: ---   
Platform: Compiled Sources   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:
Attachments: New crash information added by DrKonqi
New crash information added by DrKonqi

Description Anthony 2011-08-12 12:04:56 UTC 
Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.41 (4.7.41 (KDE 4.8 >= 20110807) (Compiled from sources)
Qt Version: 4.7.2
Operating System: Linux 3.0.0 i686
Distribution: Ubuntu 11.04

-- Information about the crash:
was removing main panel after fresh compile wasent showing task/start icons

-- Backtrace:
Application: Plasma Desktop Shell (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb5a3a930 (LWP 2246))]

Thread 6 (Thread 0xabdd3b70 (LWP 2247)):
#0  0xb7883424 in __kernel_vsyscall ()
#1  0xb6144f76 in poll () from /lib/i386-linux-gnu/libc.so.6
#2  0xb5c9784b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb5c871af in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb5c87524 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb6f83577 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#6  0xb6f55289 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#7  0xb6f55522 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#8  0xb6e5f2a0 in QThread::exec() () from /usr/lib/libQtCore.so.4
#9  0xb6f36fdb in ?? () from /usr/lib/libQtCore.so.4
#10 0xb6e61da2 in ?? () from /usr/lib/libQtCore.so.4
#11 0xb6dede99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0xb615373e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 5 (Thread 0xaab36b70 (LWP 3097)):
#0  0xb7883424 in __kernel_vsyscall ()
#1  0xb6df248c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb6e62467 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#3  0xb3427810 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x8fc6470, th=0x941e210) at /home/bobers/Downloads/kde/kdelibs/threadweaver/Weaver/WeaverImpl.cpp:365
#4  0xb342a4ac in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x8fc6798, th=0x941e210) at /home/bobers/Downloads/kde/kdelibs/threadweaver/Weaver/WorkingHardState.cpp:80
#5  0xb342745b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x8fc6470, th=0x941e210) at /home/bobers/Downloads/kde/kdelibs/threadweaver/Weaver/WeaverImpl.cpp:356
#6  0xb342a59a in ThreadWeaver::WorkingHardState::applyForWork (this=0x8fc6798, th=0x941e210) at /home/bobers/Downloads/kde/kdelibs/threadweaver/Weaver/WorkingHardState.cpp:71
#7  0xb34273a3 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8fc6470, th=0x941e210, previous=0x95274d8) at /home/bobers/Downloads/kde/kdelibs/threadweaver/Weaver/WeaverImpl.cpp:351
#8  0xb3428fce in ThreadWeaver::ThreadRunHelper::run (this=0xaab362f4, parent=0x8fc6470, th=0x941e210) at /home/bobers/Downloads/kde/kdelibs/threadweaver/Weaver/Thread.cpp:87
#9  0xb342908b in ThreadWeaver::Thread::run (this=0x941e210) at /home/bobers/Downloads/kde/kdelibs/threadweaver/Weaver/Thread.cpp:142
#10 0xb6e61da2 in ?? () from /usr/lib/libQtCore.so.4
#11 0xb6dede99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0xb615373e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 4 (Thread 0xaa335b70 (LWP 3098)):
#0  0xb7883424 in __kernel_vsyscall ()
#1  0xb6df248c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb6e62467 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#3  0xb3427810 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x8fc6470, th=0x8f54848) at /home/bobers/Downloads/kde/kdelibs/threadweaver/Weaver/WeaverImpl.cpp:365
#4  0xb342a4ac in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x8fc6798, th=0x8f54848) at /home/bobers/Downloads/kde/kdelibs/threadweaver/Weaver/WorkingHardState.cpp:80
#5  0xb342745b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x8fc6470, th=0x8f54848) at /home/bobers/Downloads/kde/kdelibs/threadweaver/Weaver/WeaverImpl.cpp:356
#6  0xb342a59a in ThreadWeaver::WorkingHardState::applyForWork (this=0x8fc6798, th=0x8f54848) at /home/bobers/Downloads/kde/kdelibs/threadweaver/Weaver/WorkingHardState.cpp:71
#7  0xb34273a3 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8fc6470, th=0x8f54848, previous=0x8d5d590) at /home/bobers/Downloads/kde/kdelibs/threadweaver/Weaver/WeaverImpl.cpp:351
#8  0xb3428fce in ThreadWeaver::ThreadRunHelper::run (this=0xaa3352f4, parent=0x8fc6470, th=0x8f54848) at /home/bobers/Downloads/kde/kdelibs/threadweaver/Weaver/Thread.cpp:87
#9  0xb342908b in ThreadWeaver::Thread::run (this=0x8f54848) at /home/bobers/Downloads/kde/kdelibs/threadweaver/Weaver/Thread.cpp:142
#10 0xb6e61da2 in ?? () from /usr/lib/libQtCore.so.4
#11 0xb6dede99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0xb615373e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 3 (Thread 0xa9b34b70 (LWP 3099)):
#0  0xb7883424 in __kernel_vsyscall ()
#1  0xb6df248c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb6e62467 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#3  0xb3427810 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x8fc6470, th=0xab401e90) at /home/bobers/Downloads/kde/kdelibs/threadweaver/Weaver/WeaverImpl.cpp:365
#4  0xb342a4ac in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x8fc6798, th=0xab401e90) at /home/bobers/Downloads/kde/kdelibs/threadweaver/Weaver/WorkingHardState.cpp:80
#5  0xb342745b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x8fc6470, th=0xab401e90) at /home/bobers/Downloads/kde/kdelibs/threadweaver/Weaver/WeaverImpl.cpp:356
#6  0xb342a59a in ThreadWeaver::WorkingHardState::applyForWork (this=0x8fc6798, th=0xab401e90) at /home/bobers/Downloads/kde/kdelibs/threadweaver/Weaver/WorkingHardState.cpp:71
#7  0xb34273a3 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8fc6470, th=0xab401e90, previous=0x94f4c90) at /home/bobers/Downloads/kde/kdelibs/threadweaver/Weaver/WeaverImpl.cpp:351
#8  0xb3428fce in ThreadWeaver::ThreadRunHelper::run (this=0xa9b342f4, parent=0x8fc6470, th=0xab401e90) at /home/bobers/Downloads/kde/kdelibs/threadweaver/Weaver/Thread.cpp:87
#9  0xb342908b in ThreadWeaver::Thread::run (this=0xab401e90) at /home/bobers/Downloads/kde/kdelibs/threadweaver/Weaver/Thread.cpp:142
#10 0xb6e61da2 in ?? () from /usr/lib/libQtCore.so.4
#11 0xb6dede99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0xb615373e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 2 (Thread 0xa9333b70 (LWP 3100)):
#0  0xb7883424 in __kernel_vsyscall ()
#1  0xb6df248c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb6e62467 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#3  0xb3427810 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x8fc6470, th=0x941fb48) at /home/bobers/Downloads/kde/kdelibs/threadweaver/Weaver/WeaverImpl.cpp:365
#4  0xb342a4ac in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x8fc6798, th=0x941fb48) at /home/bobers/Downloads/kde/kdelibs/threadweaver/Weaver/WorkingHardState.cpp:80
#5  0xb342745b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x8fc6470, th=0x941fb48) at /home/bobers/Downloads/kde/kdelibs/threadweaver/Weaver/WeaverImpl.cpp:356
#6  0xb342a59a in ThreadWeaver::WorkingHardState::applyForWork (this=0x8fc6798, th=0x941fb48) at /home/bobers/Downloads/kde/kdelibs/threadweaver/Weaver/WorkingHardState.cpp:71
#7  0xb34273a3 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8fc6470, th=0x941fb48, previous=0x95b7610) at /home/bobers/Downloads/kde/kdelibs/threadweaver/Weaver/WeaverImpl.cpp:351
#8  0xb3428fce in ThreadWeaver::ThreadRunHelper::run (this=0xa93332f4, parent=0x8fc6470, th=0x941fb48) at /home/bobers/Downloads/kde/kdelibs/threadweaver/Weaver/Thread.cpp:87
#9  0xb342908b in ThreadWeaver::Thread::run (this=0x941fb48) at /home/bobers/Downloads/kde/kdelibs/threadweaver/Weaver/Thread.cpp:142
#10 0xb6e61da2 in ?? () from /usr/lib/libQtCore.so.4
#11 0xb6dede99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0xb615373e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb5a3a930 (LWP 2246)):
[KCrash Handler]
#7  0xb6ac89ba in QGraphicsItem::isPanel() const () from /usr/lib/libQtGui.so.4
#8  0xb6b11336 in QGraphicsScene::event(QEvent*) () from /usr/lib/libQtGui.so.4
#9  0xb6495d24 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#10 0xb649a8ce in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#11 0xb76a502a in KApplication::notify (this=0x89c6d30, receiver=0x8a209a8, event=0xbfbf0594) at /home/bobers/Downloads/kde/kdelibs/kdeui/kernel/kapplication.cpp:311
#12 0xb6f560bb in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#13 0xb6b2ddf0 in QGraphicsView::viewportEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#14 0xb6973965 in ?? () from /usr/lib/libQtGui.so.4
#15 0xb6f5625a in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#16 0xb6495d00 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#17 0xb649a97b in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#18 0xb76a502a in KApplication::notify (this=0x89c6d30, receiver=0x9265360, event=0xbfbf0594) at /home/bobers/Downloads/kde/kdelibs/kdeui/kernel/kapplication.cpp:311
#19 0xb6f560bb in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#20 0xb64ee554 in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#21 0xb68e29f3 in QFrame::event(QEvent*) () from /usr/lib/libQtGui.so.4
#22 0xb6972dcf in QAbstractScrollArea::event(QEvent*) () from /usr/lib/libQtGui.so.4
#23 0xb6b21116 in QGraphicsView::event(QEvent*) () from /usr/lib/libQtGui.so.4
#24 0xb6495d24 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#25 0xb649a97b in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#26 0xb76a502a in KApplication::notify (this=0x89c6d30, receiver=0x8f6aff0, event=0xbfbf0594) at /home/bobers/Downloads/kde/kdelibs/kdeui/kernel/kapplication.cpp:311
#27 0xb6f560bb in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#28 0xb649a31e in QApplication::setActiveWindow(QWidget*) () from /usr/lib/libQtGui.so.4
#29 0xb6520459 in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#30 0xb654c5f4 in ?? () from /usr/lib/libQtGui.so.4
#31 0xb5c86aa8 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#32 0xb5c87270 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#33 0xb5c87524 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#34 0xb6f8353c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#35 0xb654c1e5 in ?? () from /usr/lib/libQtGui.so.4
#36 0xb6f55289 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#37 0xb6f55522 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#38 0xb6f59ecc in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#39 0xb64938e7 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#40 0xb29fe1eb in kdemain (argc=1, argv=0x898f248) at /home/bobers/Downloads/kde/kde-workspace/plasma/desktop/shell/main.cpp:120
#41 0x0804dad7 in launch (argc=1, _name=0x898f21c "/usr/local/bin/plasma-desktop", args=<value optimized out>, cwd=0x0, envc=0, envs=<value optimized out>, reset_env=false, tty=0x0, avoid_loops=false, startup_id_str=0x8051d22 "0") at /home/bobers/Downloads/kde/kdelibs/kinit/kinit.cpp:734
#42 0x0804e623 in handle_launcher_request (sock=8, who=<value optimized out>) at /home/bobers/Downloads/kde/kdelibs/kinit/kinit.cpp:1226
#43 0x0804ecc5 in handle_requests (waitForPid=0) at /home/bobers/Downloads/kde/kdelibs/kinit/kinit.cpp:1419
#44 0x0804fac1 in main (argc=) at /home/bobers/Downloads/kde/kdelibs/kinit/kinit.cpp:1907

This bug may be a duplicate of or related to bug 253263.

Possible duplicates by query: bug 271006, bug 270056, bug 265844, bug 264151, bug 263935.

Reported using DrKonqi
Comment 1 Dmitriy Morozov 2011-08-18 18:13:18 UTC 
Created attachment 62959 [details]
New crash information added by DrKonqi

plasma-desktop (0.4) on KDE Platform 4.7.00 (4.7.0) using Qt 4.7.3

- What I was doing when the application crashed:

I removed the pannel widget. Also i get this type of error every time I'm starting KDE (on both my home laptop and office workstation)

-- Backtrace (Reduced):
#6  0x00007fd813df9a64 in QGraphicsItem::isPanel() const () from /usr/lib/libQtGui.so.4
#7  0x00007fd813e3d62b in QGraphicsScene::event(QEvent*) () from /usr/lib/libQtGui.so.4
#8  0x00007fd813848174 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#9  0x00007fd81384cfe1 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#10 0x00007fd815422226 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
Comment 2 Bruno Medeiros 2011-10-20 14:57:43 UTC 
Created attachment 64737 [details]
New crash information added by DrKonqi

plasma-desktop (0.4) on KDE Platform 4.7.1 (4.7.1) using Qt 4.7.4

- What I was doing when the application crashed:

Just removed a top panel which had a few statup icons and some widgets.

-- Backtrace (Reduced):
#6  0x00007f66f4540ff4 in QGraphicsItem::isPanel (this=0x7f66c41a5930) at graphicsview/qgraphicsitem.cpp:1780
#7  0x00007f66f4584bfb in QGraphicsScene::event (this=0x1e60080, event=<optimized out>) at graphicsview/qgraphicsscene.cpp:3490
#8  0x00007f66f3f86424 in notify_helper (e=0x7fffac887ef0, receiver=0x1e60080, this=0x1c783f0) at kernel/qapplication.cpp:4486
#9  QApplicationPrivate::notify_helper (this=0x1c783f0, receiver=0x1e60080, e=0x7fffac887ef0) at kernel/qapplication.cpp:4458
#10 0x00007f66f3f8b291 in QApplication::notify (this=0x1c5a000, receiver=0x1e60080, e=0x7fffac887ef0) at kernel/qapplication.cpp:4365
Comment 3 Beat Wolf 2011-11-21 13:06:36 UTC 

*** This bug has been marked as a duplicate of bug 236640 ***