Bug 262798

Summary: Plasma crash when dragging widget to panel
Product: [Unmaintained] plasma4 Reporter: Thilo-Alexander Ginkel <thilo>
Component: plasma-netbookAssignee: Marco Martin <notmart>
Status: RESOLVED FIXED    
Severity: crash    
Priority: NOR    
Version First Reported In: unspecified   
Target Milestone: ---   
Platform: Ubuntu   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description Thilo-Alexander Ginkel 2011-01-10 22:40:50 UTC 
Application: plasma-netbook (0.2)
KDE Platform Version: 4.5.95 (4.6 RC2)
Qt Version: 4.7.0
Operating System: Linux 2.6.35-24-generic i686
Distribution: Ubuntu 10.10

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

Dragged the "Weather" widget to the KDE 4.6 RC2 netbook panel. The crash happened once the mouse cursor reached the panel area.

-- Backtrace:
Application: Plasma Netbook Shell (plasma-netbook), signal: Segmentation fault
[Current thread is 1 (Thread 0xb7793720 (LWP 1872))]

Thread 5 (Thread 0xaedb7b70 (LWP 1919)):
#0  0x00677416 in __kernel_vsyscall ()
#1  0x004a0df6 in poll () from /lib/libc.so.6
#2  0x025c9a1b in g_poll () from /lib/libglib-2.0.so.0
#3  0x025bc43c in ?? () from /lib/libglib-2.0.so.0
#4  0x025bc848 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#5  0x07b1c59f in QEventDispatcherGlib::processEvents (this=0x943d2b0, flags=...) at kernel/qeventdispatcher_glib.cpp:417
#6  0x07aec609 in QEventLoop::processEvents (this=0xaedb7280, flags=) at kernel/qeventloop.cpp:149
#7  0x07aeca8a in QEventLoop::exec (this=0xaedb7280, flags=...) at kernel/qeventloop.cpp:201
#8  0x079e8b7e in QThread::exec (this=0x956d9b0) at thread/qthread.cpp:490
#9  0x07acb35b in QInotifyFileSystemWatcherEngine::run (this=0x956d9b0) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x079ebdf9 in QThreadPrivate::start (arg=0x956d9b0) at thread/qthread_unix.cpp:266
#11 0x00ae7cc9 in start_thread () from /lib/libpthread.so.0
#12 0x004af69e in clone () from /lib/libc.so.6

Thread 4 (Thread 0xae5b6b70 (LWP 1920)):
#0  0x00677416 in __kernel_vsyscall ()
#1  0x004a0df6 in poll () from /lib/libc.so.6
#2  0x025c9a1b in g_poll () from /lib/libglib-2.0.so.0
#3  0x025bc43c in ?? () from /lib/libglib-2.0.so.0
#4  0x025bc848 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#5  0x07b1c59f in QEventDispatcherGlib::processEvents (this=0x9516818, flags=...) at kernel/qeventdispatcher_glib.cpp:417
#6  0x07aec609 in QEventLoop::processEvents (this=0xae5b6280, flags=) at kernel/qeventloop.cpp:149
#7  0x07aeca8a in QEventLoop::exec (this=0xae5b6280, flags=...) at kernel/qeventloop.cpp:201
#8  0x079e8b7e in QThread::exec (this=0x95107f8) at thread/qthread.cpp:490
#9  0x07acb35b in QInotifyFileSystemWatcherEngine::run (this=0x95107f8) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x079ebdf9 in QThreadPrivate::start (arg=0x95107f8) at thread/qthread_unix.cpp:266
#11 0x00ae7cc9 in start_thread () from /lib/libpthread.so.0
#12 0x004af69e in clone () from /lib/libc.so.6

Thread 3 (Thread 0xaddb5b70 (LWP 1921)):
#0  0x00677416 in __kernel_vsyscall ()
#1  0x004a0df6 in poll () from /lib/libc.so.6
#2  0x025c9a1b in g_poll () from /lib/libglib-2.0.so.0
#3  0x025bc43c in ?? () from /lib/libglib-2.0.so.0
#4  0x025bc848 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#5  0x07b1c59f in QEventDispatcherGlib::processEvents (this=0x947b1d0, flags=...) at kernel/qeventdispatcher_glib.cpp:417
#6  0x07aec609 in QEventLoop::processEvents (this=0xaddb52a0, flags=) at kernel/qeventloop.cpp:149
#7  0x07aeca8a in QEventLoop::exec (this=0xaddb52a0, flags=...) at kernel/qeventloop.cpp:201
#8  0x079e8b7e in QThread::exec (this=0x951cef0) at thread/qthread.cpp:490
#9  0x02cfd171 in Herqq::Upnp::HControlPointThread::run() () from /usr/lib/libHUpnp.so.0
#10 0x079ebdf9 in QThreadPrivate::start (arg=0x951cef0) at thread/qthread_unix.cpp:266
#11 0x00ae7cc9 in start_thread () from /lib/libpthread.so.0
#12 0x004af69e in clone () from /lib/libc.so.6

Thread 2 (Thread 0xad5acb70 (LWP 1926)):
#0  0x00677416 in __kernel_vsyscall ()
#1  0x00aec4dc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0x004bcd9d in pthread_cond_wait () from /lib/libc.so.6
#3  0x020443a5 in ?? () from /usr/lib/libQtWebKit.so.4
#4  0x02044481 in ?? () from /usr/lib/libQtWebKit.so.4
#5  0x00ae7cc9 in start_thread () from /lib/libpthread.so.0
#6  0x004af69e in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb7793720 (LWP 1872)):
[KCrash Handler]
#7  0x001d9282 in AppletsListWidget::setToolTipPosition (this=0x9659fc0) at ../../../libs/plasmagenericshell/widgetsexplorer/appletslist.cpp:268
#8  0x001da851 in AppletsListWidget::timerEvent (this=0x9659fc0, event=0xbfe5b8c0) at ../../../libs/plasmagenericshell/widgetsexplorer/appletslist.cpp:107
#9  0x07b00504 in QObject::event (this=0x9659fc0, e=0x2f4) at kernel/qobject.cpp:1183
#10 0x0669d174 in QGraphicsWidget::event (this=0x9659fc0, event=0xbfe5b8c0) at graphicsview/qgraphicswidget.cpp:1405
#11 0x05f93fdc in QApplicationPrivate::notify_helper (this=0x919da50, receiver=0x9659fc0, e=0xbfe5b8c0) at kernel/qapplication.cpp:4396
#12 0x05f9a04e in QApplication::notify (this=0x919b7c8, receiver=0x9659fc0, e=0xbfe5b8c0) at kernel/qapplication.cpp:3798
#13 0x0114bf8a in KApplication::notify (this=0x919b7c8, receiver=0x9659fc0, event=0xbfe5b8c0) at ../../kdeui/kernel/kapplication.cpp:311
#14 0x07aedb3b in QCoreApplication::notifyInternal (this=0x919b7c8, receiver=0x9659fc0, event=0xbfe5b8c0) at kernel/qcoreapplication.cpp:732
#15 0x07b1fad6 in sendEvent (this=0x91a7834) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#16 QTimerInfoList::activateTimers (this=0x91a7834) at kernel/qeventdispatcher_unix.cpp:602
#17 0x07b1c8a7 in timerSourceDispatch (source=0x91a73c0) at kernel/qeventdispatcher_glib.cpp:184
#18 idleTimerSourceDispatch (source=0x91a73c0) at kernel/qeventdispatcher_glib.cpp:231
#19 0x025b8855 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#20 0x025bc668 in ?? () from /lib/libglib-2.0.so.0
#21 0x025bc848 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#22 0x07b1c565 in QEventDispatcherGlib::processEvents (this=0x919b020, flags=...) at kernel/qeventdispatcher_glib.cpp:415
#23 0x06055be5 in QGuiEventDispatcherGlib::processEvents (this=0x919b020, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#24 0x07aec609 in QEventLoop::processEvents (this=0xbfe5bb84, flags=) at kernel/qeventloop.cpp:149
#25 0x07aeca8a in QEventLoop::exec (this=0xbfe5bb84, flags=...) at kernel/qeventloop.cpp:201
#26 0x07af100f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#27 0x05f92e07 in QApplication::exec () at kernel/qapplication.cpp:3672
#28 0x0028254d in kdemain (argc=1, argv=0xbfe5bda4) at ../../../../plasma/netbook/shell/main.cpp:66
#29 0x080485bb in main (argc=1, argv=0xbfe5bda4) at plasma-netbook_dummy.cpp:3

Reported using DrKonqi
Comment 1 Marco Martin 2011-01-11 21:56:37 UTC 
SVN commit 1213849 by mart:

don't crash if the AppletsListWidget has just been puled out of the scene or still isn't (but setToolTipPosition has been called anyways due to the timerEvent)
BUG:262798


 M  +4 -0      appletslist.cpp  


WebSVN link: http://websvn.kde.org/?view=rev&revision=1213849