Application: plasma-desktop (0.4) KDE Platform Version: 4.7.2 (4.7.2) Qt Version: 4.7.4 Operating System: Linux 3.0.0-13-generic i686 Distribution: Ubuntu 11.10 -- Information about the crash: - What I was doing when the application crashed: clicked on desktop icon to top , chose add panel, kde crashed to black screen The crash can be reproduced every time. -- Backtrace: Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault [Current thread is 1 (Thread 0xb76f2b20 (LWP 1717))] Thread 3 (Thread 0xb1809b70 (LWP 1718)): #0 0x05304d24 in __pthread_mutex_unlock_usercnt () from /lib/i386-linux-gnu/libpthread.so.0 #1 0x00929f54 in pthread_mutex_unlock () from /lib/i386-linux-gnu/libc.so.6 #2 0x01d9887f in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0 #3 0x01d99637 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0 #4 0x01d99c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0 #5 0x01baab37 in QEventDispatcherGlib::processEvents (this=0x9b53820, flags=...) at kernel/qeventdispatcher_glib.cpp:424 #6 0x01b7b1dd in QEventLoop::processEvents (this=0xb18092a0, flags=...) at kernel/qeventloop.cpp:149 #7 0x01b7b421 in QEventLoop::exec (this=0xb18092a0, flags=...) at kernel/qeventloop.cpp:201 #8 0x01a7e90b in QThread::exec (this=0x9b50c18) at thread/qthread.cpp:498 #9 0x01b5be2d in QInotifyFileSystemWatcherEngine::run (this=0x9b50c18) at io/qfilesystemwatcher_inotify.cpp:248 #10 0x01a817b3 in QThreadPrivate::start (arg=0x9b50c18) at thread/qthread_unix.cpp:331 #11 0x05301d31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0 #12 0x0091c0ce in clone () from /lib/i386-linux-gnu/libc.so.6 Backtrace stopped: Not enough registers or memory available to unwind further Thread 2 (Thread 0xae9ceb70 (LWP 1986)): #0 0x002fc416 in __kernel_vsyscall () #1 0x05305a5c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0 #2 0x00929cfc in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6 #3 0x06e7d9a9 in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4 #4 0x06e7d9ef in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4 #5 0x05301d31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0 #6 0x0091c0ce in clone () from /lib/i386-linux-gnu/libc.so.6 Backtrace stopped: Not enough registers or memory available to unwind further Thread 1 (Thread 0xb76f2b20 (LWP 1717)): [KCrash Handler] #7 0x02cf1154 in QGraphicsLayoutItem::graphicsItem (this=0x2a) at graphicsview/qgraphicslayoutitem.cpp:920 #8 0x02cf1225 in QGraphicsLayoutItemPrivate::hasHeightForWidth (this=0xa323540) at graphicsview/qgraphicslayoutitem.cpp:286 #9 0x02d3d458 in QGridLayoutItem::hasDynamicConstraint (this=0xa181488) at graphicsview/qgridlayoutengine.cpp:576 #10 0x02d3e44e in ensureDynamicConstraint (this=0xa20e7a0) at graphicsview/qgridlayoutengine.cpp:1657 #11 QGridLayoutEngine::ensureDynamicConstraint (this=0xa20e7a0) at graphicsview/qgridlayoutengine.cpp:1652 #12 0x02d3e4f0 in QGridLayoutEngine::hasDynamicConstraint (this=0xa20e7a0) at graphicsview/qgridlayoutengine.cpp:1677 #13 0x02d42942 in QGridLayoutEngine::sizeHint (this=0xa20e7a0, styleInfo=..., which=Qt::MaximumSize, constraint=...) at graphicsview/qgridlayoutengine.cpp:1134 #14 0x02cc342f in QGraphicsGridLayout::sizeHint (this=0xa3287f8, which=Qt::MaximumSize, constraint=...) at graphicsview/qgraphicsgridlayout.cpp:656 #15 0x02cf0365 in QGraphicsLayoutItemPrivate::effectiveSizeHints (this=0xa20e6b0, constraint=...) at graphicsview/qgraphicslayoutitem.cpp:169 #16 0x02cf0d54 in effectiveSizeHint (constraint=..., which=Qt::MinimumSize, this=<optimized out>) at graphicsview/qgraphicslayoutitem.cpp:818 #17 QGraphicsLayoutItem::effectiveSizeHint (this=0xa3287f8, which=Qt::MinimumSize, constraint=...) at graphicsview/qgraphicslayoutitem.cpp:810 #18 0x02d3339c in QGraphicsWidget::sizeHint (this=0xa17ba68, which=Qt::MinimumSize, constraint=...) at graphicsview/qgraphicswidget.cpp:743 #19 0x02cf0417 in QGraphicsLayoutItemPrivate::effectiveSizeHints (this=0xa20e5b8, constraint=...) at graphicsview/qgraphicslayoutitem.cpp:175 #20 0x02cf0d54 in effectiveSizeHint (constraint=..., which=Qt::PreferredSize, this=<optimized out>) at graphicsview/qgraphicslayoutitem.cpp:818 #21 QGraphicsLayoutItem::effectiveSizeHint (this=0xa17ba78, which=Qt::PreferredSize, constraint=...) at graphicsview/qgraphicslayoutitem.cpp:810 #22 0x05bb7331 in SystemTray::TaskArea::adjustHiddentTasksWidget (this=0xa17b540) at ../../../../../plasma/generic/applets/systemtray/ui/taskarea.cpp:452 #23 0x05bb9339 in SystemTray::TaskArea::addWidgetForTask (this=0xa17b540, task=0xa41d340) at ../../../../../plasma/generic/applets/systemtray/ui/taskarea.cpp:320 #24 0x05bb96df in SystemTray::TaskArea::addTask (this=0xa17b540, task=0xa41d340) at ../../../../../plasma/generic/applets/systemtray/ui/taskarea.cpp:196 #25 0x05bb9d8d in SystemTray::TaskArea::qt_metacall (this=0xa17b540, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0xbfff1588) at ./taskarea.moc:89 #26 0x01b82b7d in metacall (argv=0xbfff1588, idx=23, cl=QMetaObject::InvokeMetaMethod, object=0xa17b540) at kernel/qmetaobject.cpp:237 #27 QMetaObject::metacall (object=0xa17b540, cl=QMetaObject::InvokeMetaMethod, idx=23, argv=0xbfff1588) at kernel/qmetaobject.cpp:232 #28 0x01b91a6a in QMetaObject::activate (sender=0x99455c8, m=0x5bc6038, local_signal_index=0, argv=0xbfff1588) at kernel/qobject.cpp:3278 #29 0x05b98e85 in SystemTray::Manager::taskAdded (this=0x99455c8, _t1=0xa41d340) at ./manager.moc:99 #30 0x05b99128 in SystemTray::Manager::addTask (this=0x99455c8, task=0xa41d340) at ../../../../../plasma/generic/applets/systemtray/core/manager.cpp:87 #31 0x05b992cd in SystemTray::Manager::qt_metacall (this=0x99455c8, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0xbfff1708) at ./manager.moc:86 #32 0x01b82b7d in metacall (argv=0xbfff1708, idx=7, cl=QMetaObject::InvokeMetaMethod, object=0x99455c8) at kernel/qmetaobject.cpp:237 #33 QMetaObject::metacall (object=0x99455c8, cl=QMetaObject::InvokeMetaMethod, idx=7, argv=0xbfff1708) at kernel/qmetaobject.cpp:232 #34 0x01b91a6a in QMetaObject::activate (sender=0x98626e8, m=0x5bc609c, local_signal_index=0, argv=0xbfff1708) at kernel/qobject.cpp:3278 #35 0x05b99875 in SystemTray::Protocol::taskCreated (this=0x98626e8, _t1=0xa41d340) at ./protocol.moc:91 #36 0x05ba1816 in SystemTray::PlasmoidProtocol::addApplet (this=0x98626e8, appletName=..., id=0, parent=0xa15e488) at ../../../../../plasma/generic/applets/systemtray/protocols/plasmoid/plasmoidtaskprotocol.cpp:112 #37 0x05b98c29 in SystemTray::Manager::addApplet (this=0x99455c8, appletName=..., parent=0xa15e488) at ../../../../../plasma/generic/applets/systemtray/core/manager.cpp:110 #38 0x05bad4fb in SystemTray::Applet::checkDefaultApplets (this=0xa15e488) at ../../../../../plasma/generic/applets/systemtray/ui/applet.cpp:737 #39 0x05bae6ac in SystemTray::Applet::qt_metacall (this=0xa15e488, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0xa31c780) at ./applet.moc:91 #40 0x01b82b7d in metacall (argv=0xa31c780, idx=83, cl=QMetaObject::InvokeMetaMethod, object=0xa15e488) at kernel/qmetaobject.cpp:237 #41 QMetaObject::metacall (object=0xa15e488, cl=QMetaObject::InvokeMetaMethod, idx=83, argv=0xa31c780) at kernel/qmetaobject.cpp:232 #42 0x01b8d685 in QMetaCallEvent::placeMetaCall (this=0xa31dbb0, object=0xa15e488) at kernel/qobject.cpp:535 #43 0x01b94b52 in QObject::event (this=0xa15e488, e=0xa31dbb0) at kernel/qobject.cpp:1217 #44 0x02d33bd4 in QGraphicsWidget::event (this=0xa15e488, event=0xa31dbb0) at graphicsview/qgraphicswidget.cpp:1455 #45 0x02674d54 in notify_helper (e=0xa31dbb0, receiver=0xa15e488, this=0x9580bc0) at kernel/qapplication.cpp:4486 #46 QApplicationPrivate::notify_helper (this=0x9580bc0, receiver=0xa15e488, e=0xa31dbb0) at kernel/qapplication.cpp:4458 #47 0x0267a103 in QApplication::notify (this=0xa31dbb0, receiver=0xa15e488, e=0xa31dbb0) at kernel/qapplication.cpp:3886 #48 0x0118f681 in KApplication::notify (this=0x9571370, receiver=0xa15e488, event=0xa31dbb0) at ../../kdeui/kernel/kapplication.cpp:311 #49 0x01b7c19e in QCoreApplication::notifyInternal (this=0x9571370, receiver=0xa15e488, event=0xa31dbb0) at kernel/qcoreapplication.cpp:787 #50 0x01b7ff93 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215 #51 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x95382e0) at kernel/qcoreapplication.cpp:1428 #52 0x01b800ec in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1321 #53 0x01baa6a4 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220 #54 postEventSourceDispatch (s=0x95807b0) at kernel/qeventdispatcher_glib.cpp:277 #55 0x01d9925f in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0 #56 0x01d99990 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0 #57 0x01d99c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0 #58 0x01baaada in QEventDispatcherGlib::processEvents (this=0x9539218, flags=...) at kernel/qeventdispatcher_glib.cpp:422 #59 0x0272ce3a in QGuiEventDispatcherGlib::processEvents (this=0x9539218, flags=...) at kernel/qguieventdispatcher_glib.cpp:204 #60 0x01b7b1dd in QEventLoop::processEvents (this=0xbfff1fb4, flags=...) at kernel/qeventloop.cpp:149 #61 0x01b7b421 in QEventLoop::exec (this=0xbfff1fb4, flags=...) at kernel/qeventloop.cpp:201 #62 0x01b8019d in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064 #63 0x026728f4 in QApplication::exec () at kernel/qapplication.cpp:3760 #64 0x0054b18b in kdemain (argc=1, argv=0xbfff21b4) at ../../../../plasma/desktop/shell/main.cpp:120 #65 0x0804850b in main (argc=1, argv=0xbfff21b4) at plasma-desktop_dummy.cpp:3 Possible duplicates by query: bug 287313, bug 286802, bug 286242, bug 286181, bug 285926. Reported using DrKonqi