Application: plasma-desktop (0.3)
KDE Platform Version: 4.5.1 (KDE 4.5.1)
Qt Version: 4.7.0
Operating System: Linux 2.6.35-22-generic x86_64
Distribution: Ubuntu 10.10

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

I opened the notification tray right after I plugged in a USB stick. It crashed.

-- Backtrace:
Application: Plasma Workspace (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f3d38e947a0 (LWP 3073))]

Thread 8 (Thread 0x7f3d1b802710 (LWP 3074)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f3d3317d334 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7f3d33488160) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00007f3d3317d369 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x7f3d33496234) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00007f3d309e9953 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#4  0x00007f3d35aac971 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#5  0x00007f3d387ae91d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7f3d1766d710 (LWP 3075)):
#0  0xffffffffff60017b in ?? ()
#1  0x00007f3d1766c990 in ?? ()
#2  0x00007fff2e00e852 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 6 (Thread 0x7f3d0bdba710 (LWP 3419)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f3d35d37e3b in wait (this=<value optimized out>, mutex=0x1962e00, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x1962e00, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f3d32636524 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1962e20, th=0x2b81f10) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f3d3263972b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1963140, th=0x2b81f10) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f3d32639744 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1963140, th=0x2b81f10) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f3d32637c9f in ThreadWeaver::ThreadRunHelper::run (this=0x7f3d0bdb9d00, parent=0x1962e20, th=0x2b81f10) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007f3d326381f8 in ThreadWeaver::Thread::run (this=0x2b81f10) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007f3d35d3727e in QThreadPrivate::start (arg=0x2b81f10) at thread/qthread_unix.cpp:266
#9  0x00007f3d309e9953 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#10 0x00007f3d35aac971 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#11 0x00007f3d387ae91d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f3d06f07710 (LWP 3420)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f3d35d37e3b in wait (this=<value optimized out>, mutex=0x1962e00, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x1962e00, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f3d32636524 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1962e20, th=0x7f3d100013a0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f3d3263972b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1963140, th=0x7f3d100013a0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f3d32637c9f in ThreadWeaver::ThreadRunHelper::run (this=0x7f3d06f06d00, parent=0x1962e20, th=0x7f3d100013a0) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f3d326381f8 in ThreadWeaver::Thread::run (this=0x7f3d100013a0) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f3d35d3727e in QThreadPrivate::start (arg=0x7f3d100013a0) at thread/qthread_unix.cpp:266
#8  0x00007f3d309e9953 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#9  0x00007f3d35aac971 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#10 0x00007f3d387ae91d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f3d06706710 (LWP 3421)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f3d35d37e3b in wait (this=<value optimized out>, mutex=0x1962e00, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x1962e00, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f3d32636524 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1962e20, th=0x2b7ce70) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f3d3263972b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1963140, th=0x2b7ce70) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f3d32637c9f in ThreadWeaver::ThreadRunHelper::run (this=0x7f3d06705d00, parent=0x1962e20, th=0x2b7ce70) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f3d326381f8 in ThreadWeaver::Thread::run (this=0x2b7ce70) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f3d35d3727e in QThreadPrivate::start (arg=0x2b7ce70) at thread/qthread_unix.cpp:266
#8  0x00007f3d309e9953 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#9  0x00007f3d35aac971 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#10 0x00007f3d387ae91d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f3d05f05710 (LWP 3422)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f3d35d37e3b in wait (this=<value optimized out>, mutex=0x1962e00, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x1962e00, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f3d32636524 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1962e20, th=0x2012400) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f3d3263972b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1963140, th=0x2012400) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f3d32637c9f in ThreadWeaver::ThreadRunHelper::run (this=0x7f3d05f04d00, parent=0x1962e20, th=0x2012400) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f3d326381f8 in ThreadWeaver::Thread::run (this=0x2012400) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f3d35d3727e in QThreadPrivate::start (arg=0x2012400) at thread/qthread_unix.cpp:266
#8  0x00007f3d309e9953 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#9  0x00007f3d35aac971 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#10 0x00007f3d387ae91d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f3d09997710 (LWP 9299)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f3d342ea20e in ?? () from /usr/lib/libQtWebKit.so.4
#2  0x00007f3d342ea329 in ?? () from /usr/lib/libQtWebKit.so.4
#3  0x00007f3d309e9953 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#4  0x00007f3d35aac971 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#5  0x00007f3d387ae91d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f3d38e947a0 (LWP 3073)):
[KCrash Handler]
#6  0x00007f3d355ac6a4 in QGraphicsLayoutItem::isLayout (this=0x272fc60) at graphicsview/qgraphicslayoutitem.cpp:804
#7  0x00007f3d355ab742 in QGraphicsLayoutPrivate::activateRecursive (this=0x1b26700, item=0x272fc60) at graphicsview/qgraphicslayout_p.cpp:181
#8  0x00007f3d355ab780 in QGraphicsLayoutPrivate::activateRecursive (this=0x1b26700, item=0x1b25660) at graphicsview/qgraphicslayout_p.cpp:189
#9  0x00007f3d355ab103 in QGraphicsLayout::activate (this=0x1b25660) at graphicsview/qgraphicslayout.cpp:261
#10 0x00007f3d355ab1c1 in QGraphicsLayout::widgetEvent (this=0x1b25660, e=0x272fc60) at graphicsview/qgraphicslayout.cpp:369
#11 0x00007f3d355f010f in QGraphicsWidget::event (this=0x1b244f0, event=0x21a86d0) at graphicsview/qgraphicswidget.cpp:1329
#12 0x00007f3d34f74fdc in QApplicationPrivate::notify_helper (this=0xfc1380, receiver=0x1b244f0, e=0x21a86d0) at kernel/qapplication.cpp:4396
#13 0x00007f3d34f7aaed in QApplication::notify (this=0xfb23a0, receiver=0x1b244f0, e=0x21a86d0) at kernel/qapplication.cpp:4277
#14 0x00007f3d36ac6156 in KApplication::notify (this=0xfb23a0, receiver=0x1b244f0, event=0x21a86d0) at ../../kdeui/kernel/kapplication.cpp:310
#15 0x00007f3d35e2acdc in QCoreApplication::notifyInternal (this=0xfb23a0, receiver=0x1b244f0, event=0x21a86d0) at kernel/qcoreapplication.cpp:732
#16 0x00007f3d35e2dc22 in sendEvent (receiver=0x0, event_type=<value optimized out>, data=0xf5b560) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#17 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=<value optimized out>, data=0xf5b560) at kernel/qcoreapplication.cpp:1373
#18 0x00007f3d35e57653 in sendPostedEvents (s=0xfc4ac0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#19 postEventSourceDispatch (s=0xfc4ac0) at kernel/qeventdispatcher_glib.cpp:277
#20 0x00007f3d2d388342 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#21 0x00007f3d2d38c2a8 in ?? () from /lib/libglib-2.0.so.0
#22 0x00007f3d2d38c45c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#23 0x00007f3d35e57193 in QEventDispatcherGlib::processEvents (this=0xf5b070, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:415
#24 0x00007f3d35027a4e in QGuiEventDispatcherGlib::processEvents (this=0x272fc60, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#25 0x00007f3d35e29a02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#26 0x00007f3d35e29dec in QEventLoop::exec (this=0x7fff2e00ac60, flags=) at kernel/qeventloop.cpp:201
#27 0x00007f3d35e2debb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#28 0x00007f3d38a85a56 in kdemain (argc=<value optimized out>, argv=<value optimized out>) at ../../../../plasma/desktop/shell/main.cpp:118
#29 0x00007f3d386e6d8e in __libc_start_main (main=<value optimized out>, argc=<value optimized out>, ubp_av=<value optimized out>, init=<value optimized out>, fini=<value optimized out>, rtld_fini=<value optimized out>, stack_end=0x7fff2e00b028) at libc-start.c:226
#30 0x0000000000400669 in _start ()

Possible duplicates by query: bug 256069, bug 249916, bug 245151, bug 244532, bug 243017.

Reported using DrKonqi