Bug 237195

Summary:	Plasma crashed after panel removing
Product:	[Unmaintained] plasma4	Reporter:	Oleg Tsarev <zabivator>
Component:	general	Assignee:	Plasma Bugs List <plasma-bugs>
Status:	RESOLVED UPSTREAM
Severity:	crash	CC:	aseigo, bgmartigt, mschiff, null
Priority:	NOR
Version:	unspecified
Target Milestone:	---
Platform:	Ubuntu
OS:	Linux
Latest Commit:		Version Fixed In:
Sentry Crash Report:
Attachments:	New crash information added by DrKonqi

Description Oleg Tsarev 2010-05-11 03:51:21 UTC

Application: plasma-desktop (0.3)
KDE Platform Version: 4.4.2 (KDE 4.4.2)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-22-generic x86_64
Distribution: Ubuntu 10.04 LTS

-- Information about the crash:
1) try edit panel
2) right mouse click on panel
3) choose "remove widget"
4) confirm "rmove panel"
5) Win+D (minimise all windows)
6) click on the desktop
7) plasma crash



 -- Backtrace:
Application: Рабочее пространство Plasma (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f2dd3062760 (LWP 1943))]

Thread 2 (Thread 0x7f2daab86710 (LWP 1946)):
#0  0x00007fffb03ff904 in clock_gettime ()
#1  0x00007f2dcccb909f in clock_gettime () from /lib/librt.so.1
#2  0x00007f2dd165999f in ?? () from /usr/lib/libQtCore.so.4
#3  0x00007f2dd165e6ad in ?? () from /usr/lib/libQtCore.so.4
#4  0x00007f2dd165e6d5 in ?? () from /usr/lib/libQtCore.so.4
#5  0x00007f2dd165c75d in ?? () from /usr/lib/libQtCore.so.4
#6  0x00007f2dd165c805 in ?? () from /usr/lib/libQtCore.so.4
#7  0x00007f2dcca19eb1 in g_main_context_prepare () from /lib/libglib-2.0.so.0
#8  0x00007f2dcca1a318 in ?? () from /lib/libglib-2.0.so.0
#9  0x00007f2dcca1a8fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#10 0x00007f2dd165c566 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#11 0x00007f2dd1631992 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#12 0x00007f2dd1631d6c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#13 0x00007f2dd153bd59 in QThread::exec() () from /usr/lib/libQtCore.so.4
#14 0x00007f2dd1612178 in ?? () from /usr/lib/libQtCore.so.4
#15 0x00007f2dd153e775 in ?? () from /usr/lib/libQtCore.so.4
#16 0x00007f2dd12ae9ca in start_thread () from /lib/libpthread.so.0
#17 0x00007f2dd006169d in clone () from /lib/libc.so.6
#18 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f2dd3062760 (LWP 1943)):
[KCrash Handler]
#5  0x00007f2dd0da9204 in QGraphicsItem::isPanel() const () from /usr/lib/libQtGui.so.4
#6  0x00007f2dd0df52cc in QGraphicsScene::event(QEvent*) () from /usr/lib/libQtGui.so.4
#7  0x00007f2dd07cf22c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#8  0x00007f2dd07d56fb in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#9  0x00007f2dd1b7a526 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#10 0x00007f2dd163306c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#11 0x00007f2dd0e0e098 in QGraphicsView::viewportEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#12 0x00007f2dd1632487 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#13 0x00007f2dd07cf1fc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#14 0x00007f2dd07d56fb in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#15 0x00007f2dd1b7a526 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#16 0x00007f2dd163306c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#17 0x00007f2dd082567b in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#18 0x00007f2dd0bcc4e6 in QFrame::event(QEvent*) () from /usr/lib/libQtGui.so.4
#19 0x00007f2dd0c578ab in QAbstractScrollArea::event(QEvent*) () from /usr/lib/libQtGui.so.4
#20 0x00007f2dd07cf22c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#21 0x00007f2dd07d56fb in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#22 0x00007f2dd1b7a526 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#23 0x00007f2dd163306c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#24 0x00007f2dd07d8c6b in QApplication::setActiveWindow(QWidget*) () from /usr/lib/libQtGui.so.4
#25 0x00007f2dd0853d6e in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#26 0x00007f2dd087f882 in ?? () from /usr/lib/libQtGui.so.4
#27 0x00007f2dcca168c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#28 0x00007f2dcca1a748 in ?? () from /lib/libglib-2.0.so.0
#29 0x00007f2dcca1a8fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#30 0x00007f2dd165c513 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#31 0x00007f2dd087f46e in ?? () from /usr/lib/libQtGui.so.4
#32 0x00007f2dd1631992 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#33 0x00007f2dd1631d6c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#34 0x00007f2dd1635aab in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#35 0x00007f2dc4e6afb2 in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#36 0x00000000004070f3 in _start ()

This bug may be a duplicate of or related to bug 226012.

Possible duplicates by query: bug 237156, bug 237139, bug 237131, bug 237079, bug 236944.

Reported using DrKonqi

Comment 1 Aaron J. Seigo 2010-05-11 04:46:32 UTC

bug in Qt.

Comment 2 Oleg Tsarev 2010-05-11 04:49:12 UTC

How can i help you to locate of this bug?

Comment 3 Oleg Tsarev 2010-05-11 04:51:53 UTC

This bug not reproduced....
I think reason - new nvidia drivers, after update to new version bug not reproduce, before update - reproduce time-to-time.

Comment 4 Beat Wolf 2010-05-16 18:33:46 UTC

*** Bug 237764 has been marked as a duplicate of this bug. ***

Comment 5 Beat Wolf 2010-06-01 11:35:54 UTC

*** Bug 240160 has been marked as a duplicate of this bug. ***

Comment 6 Unknown 2010-06-28 10:07:32 UTC

Created attachment 48396 [details]
New crash information added by DrKonqi

plasma-desktop (0.3) on KDE Platform 4.4.90 (KDE 4.4.90 (KDE 4.5 RC1)) "release 2" using Qt 4.6.3

- What I was doing when the application crashed:

This bug still occurs in KDE 4.5 RC 1 with Qt 4.6.3.

-- Backtrace (Reduced):
#6  0x00007f671aa96864 in QGraphicsItem::isPanel (this=0xa5b1c0) at graphicsview/qgraphicsitem.cpp:1669
#7  0x00007f671aae2a9c in QGraphicsScene::event (this=0x796c00, event=0x7fffe4e45550) at graphicsview/qgraphicsscene.cpp:3436
#8  0x00007f671a4db35c in QApplicationPrivate::notify_helper (this=0x684650, receiver=0x796c00, e=0x7fffe4e45550) at kernel/qapplication.cpp:4302
#9  0x00007f671a4e193b in QApplication::notify (this=0x678cb0, receiver=0x796c00, e=0x7fffe4e45550) at kernel/qapplication.cpp:4185
#10 0x00007f671c063166 in KApplication::notify (this=0x678cb0, receiver=0x796c00, event=0x7fffe4e45550) at /usr/src/debug/kdelibs-4.4.90/kdeui/kernel/kapplication.cpp:309