Bug 224088

Application: plasma-netbook (0.1)
KDE Platform Version: 4.3.95 (KDE 4.3.95 (KDE 4.4 RC2))
Qt Version: 4.6.0
Operating System: Linux 2.6.31-17-generic x86_64
Distribution: Ubuntu 9.10

-- Information about the crash:
Everytime I click in "Lock page" button plasma-netbook crashes

The crash can be reproduced every time.

 -- Backtrace:
Application: Plasma Netbook (kdeinit4), signal: Segmentation fault
The current source language is "auto; currently c".
[Current thread is 1 (Thread 0x7fc94b9857f0 (LWP 15607))]

Thread 3 (Thread 0x7fc92b9fb910 (LWP 15616)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007fc949e5e67b in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x1db5c68, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x1db5c68, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007fc94861a3ec in QHostInfoAgent::run (this=0x1db5c50) at kernel/qhostinfo.cpp:252
#4  0x00007fc949e5d6c5 in QThreadPrivate::start (arg=0x1db5c50) at thread/qthread_unix.cpp:244
#5  0x00007fc949bcea04 in start_thread (arg=<value optimized out>) at pthread_create.c:300
#6  0x00007fc94899980d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fc9204b4910 (LWP 15621)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007fc940dcf556 in WTF::TCMalloc_PageHeap::scavengerThread (this=0x7fc941db10e0) at ../JavaScriptCore/wtf/FastMalloc.cpp:2299
#2  0x00007fc940dcf599 in WTF::TCMalloc_PageHeap::runScavengerThread (context=0x7fc941dbf1ac) at ../JavaScriptCore/wtf/FastMalloc.cpp:1433
#3  0x00007fc949bcea04 in start_thread (arg=<value optimized out>) at pthread_create.c:300
#4  0x00007fc94899980d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()
The current source language is "auto; currently asm".

Thread 1 (Thread 0x7fc94b9857f0 (LWP 15607)):
[KCrash Handler]
#5  0x00007fc94970a635 in QGraphicsScenePrivate::setFocusItemHelper (this=0x1ad7320, item=0x1e48d40, focusReason=Qt::MouseFocusReason) at graphicsview/qgraphicsscene.cpp:762
#6  0x00007fc94970ef3c in QGraphicsScenePrivate::mousePressEventHandler (this=0x1ad7320, mouseEvent=0x7fff3231bb70) at graphicsview/qgraphicsscene.cpp:1266
#7  0x00007fc94970f3a4 in QGraphicsScene::mousePressEvent (this=<value optimized out>, mouseEvent=0x7fff3231bb70) at graphicsview/qgraphicsscene.cpp:3953
#8  0x00007fc949715b5f in QGraphicsScene::event (this=0x1ad3090, event=0x7fff3231bb70) at graphicsview/qgraphicsscene.cpp:3345
#9  0x00007fc9490f6e8c in QApplicationPrivate::notify_helper (this=0x19e6820, receiver=0x1ad3090, e=0x7fff3231bb70) at kernel/qapplication.cpp:4242
#10 0x00007fc9490fd48d in QApplication::notify (this=0x19df7f0, receiver=0x1ad3090, e=0x7fff3231bb70) at kernel/qapplication.cpp:4125
#11 0x00007fc94a4961e6 in KApplication::notify (this=0x19df7f0, receiver=0x1ad3090, event=0x7fff3231bb70) at ../../kdeui/kernel/kapplication.cpp:302
#12 0x00007fc949f5104c in QCoreApplication::notifyInternal (this=0x19df7f0, receiver=0x1ad3090, event=0x7fff3231bb70) at kernel/qcoreapplication.cpp:704
#13 0x00007fc94973108f in QGraphicsView::mousePressEvent (this=0x1ac9160, event=0x7fff3231c4f0) at graphicsview/qgraphicsview.cpp:3045
#14 0x00007fc94914c57f in QWidget::event (this=0x1ac9160, event=0x7fff3231c4f0) at kernel/qwidget.cpp:7970
#15 0x00007fc9494efe16 in QFrame::event (this=0x1ac9160, e=0x7fff3231c4f0) at widgets/qframe.cpp:557
#16 0x00007fc94972ca0b in QGraphicsView::viewportEvent (this=0x1ac9160, event=0x7fff3231c4f0) at graphicsview/qgraphicsview.cpp:2747
#17 0x00007fc949f50467 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x1ad1250, event=0x7fff3231c4f0) at kernel/qcoreapplication.cpp:819
#18 0x00007fc9490f6e5c in QApplicationPrivate::notify_helper (this=0x19e6820, receiver=0x1ad1250, e=0x7fff3231c4f0) at kernel/qapplication.cpp:4238
#19 0x00007fc9490fdcf1 in QApplication::notify (this=0x19df7f0, receiver=0x1ad1250, e=0x7fff3231c4f0) at kernel/qapplication.cpp:3822
#20 0x00007fc94a4961e6 in KApplication::notify (this=0x19df7f0, receiver=0x1ad1250, event=0x7fff3231c4f0) at ../../kdeui/kernel/kapplication.cpp:302
#21 0x00007fc949f5104c in QCoreApplication::notifyInternal (this=0x19df7f0, receiver=0x1ad1250, event=0x7fff3231c4f0) at kernel/qcoreapplication.cpp:704
#22 0x00007fc9490fce66 in QCoreApplication::sendEvent (receiver=0x1ad1250, event=0x7fff3231c4f0, alienWidget=0x1ad1250, nativeWidget=0x1ac9160, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>, spontaneous=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#23 QApplicationPrivate::sendMouseEvent (receiver=0x1ad1250, event=0x7fff3231c4f0, alienWidget=0x1ad1250, nativeWidget=0x1ac9160, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>, spontaneous=true) at kernel/qapplication.cpp:2956
#24 0x00007fc94917b055 in QETWidget::translateMouseEvent (this=0x1ac9160, event=<value optimized out>) at kernel/qapplication_x11.cpp:4368
#25 0x00007fc949179d6a in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fff3231ce10) at kernel/qapplication_x11.cpp:3501
#26 0x00007fc9491a5712 in x11EventSourceDispatch (s=0x19e9db0, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#27 0x00007fc94537fbce in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#28 0x00007fc945383598 in ?? () from /lib/libglib-2.0.so.0
#29 0x00007fc9453836c0 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#30 0x00007fc949f7a623 in QEventDispatcherGlib::processEvents (this=0x195d3f0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:407
#31 0x00007fc9491a52fe in QGuiEventDispatcherGlib::processEvents (this=0x1ac9160, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#32 0x00007fc949f4f972 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#33 0x00007fc949f4fd4c in QEventLoop::exec (this=0x7fff3231d140, flags=) at kernel/qeventloop.cpp:201
#34 0x00007fc949f53a8b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#35 0x00007fc93e961b86 in kdemain () from /usr/lib/libkdeinit4_plasma-netbook.so
#36 0x0000000000406fb8 in launch (argc=1, _name=<value optimized out>, args=<value optimized out>, cwd=<value optimized out>, envc=0, envs=<value optimized out>, reset_env=false, tty=0x0, 
    avoid_loops=false, startup_id_str=0x40a4a1 "0") at ../../kinit/kinit.cpp:706
#37 0x0000000000407c70 in handle_launcher_request (sock=7, who=<value optimized out>) at ../../kinit/kinit.cpp:1198
#38 0x0000000000408121 in handle_requests (waitForPid=0) at ../../kinit/kinit.cpp:1391
#39 0x0000000000408dea in main (argc=4, argv=<value optimized out>, envp=<value optimized out>) at ../../kinit/kinit.cpp:1830
The current source language is "auto; currently c".

Possible duplicates by query: bug 222887.

Reported using DrKonqi