Application: plasma-desktop (0.3)
KDE Platform Version: 4.5.00 (KDE 4.5.0)
Qt Version: 4.7.0
Operating System: Linux 2.6.32-24-generic i686
Distribution: Ubuntu 10.04.1 LTS

-- Information about the crash:
After upgrading to KDE SC 4.5 two days ago, today I had an unknown item in the window list with an X-Symbol (X.org?) in it. 
When i closed this item by right-clicking it in the window list and choosing "close", the control panel crashed.

-- Backtrace:
Application: Plasma-Arbeitsfläche (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb7811720 (LWP 1521))]

Thread 3 (Thread 0xb047ab70 (LWP 1522)):
#0  0x00759422 in __kernel_vsyscall ()
#1  0x003d8015 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x009e09dd in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0x0300f437 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x310d1a0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#4  0x0300f481 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x310d1a0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#5  0x003d396e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#6  0x009d3a4e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 2 (Thread 0xae790b70 (LWP 1523)):
#0  0x01494dda in ?? () from /lib/libglib-2.0.so.0
#1  0x014bf931 in g_main_context_prepare () from /lib/libglib-2.0.so.0
#2  0x014bfee9 in ?? () from /lib/libglib-2.0.so.0
#3  0x014c04b8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#4  0x03e351cf in QEventDispatcherGlib::processEvents (this=0x8ff4f10, flags=...) at kernel/qeventdispatcher_glib.cpp:414
#5  0x03e05419 in QEventLoop::processEvents (this=0xae790280, flags=) at kernel/qeventloop.cpp:149
#6  0x03e0589a in QEventLoop::exec (this=0xae790280, flags=...) at kernel/qeventloop.cpp:201
#7  0x03d02b5e in QThread::exec (this=0x9133540) at thread/qthread.cpp:490
#8  0x03de455b in QInotifyFileSystemWatcherEngine::run (this=0x9133540) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x03d05e39 in QThreadPrivate::start (arg=0x9133540) at thread/qthread_unix.cpp:266
#10 0x003d396e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#11 0x009d3a4e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb7811720 (LWP 1521)):
[KCrash Handler]
#7  0x022234b9 in QX11PixmapData::release (this=0xa012080) at image/qpixmap_x11.cpp:1249
#8  0x02223dc6 in ~QX11PixmapData (this=0xa012080, __in_chrg=<value optimized out>) at image/qpixmap_x11.cpp:1244
#9  0x0220f7e6 in ~QExplicitlySharedDataPointer (this=0xa005b3c, __in_chrg=<value optimized out>) at ../../include/QtCore/../../src/corelib/tools/qshareddata.h:159
#10 ~QPixmap (this=0xa005b3c, __in_chrg=<value optimized out>) at image/qpixmap.cpp:324
#11 0x07ca117a in QVector<QPixmap>::free (this=0x9f5c724, x=0xa005af0) at /usr/include/qt4/QtCore/qvector.h:437
#12 0x07ca11e8 in ~QVector (this=0x9f5c720, __in_chrg=<value optimized out>) at /usr/include/qt4/QtCore/qvector.h:119
#13 ~TileSet (this=0x9f5c720, __in_chrg=<value optimized out>) at ../../../libs/oxygen/oxygentileset.h:75
#14 0x0198704f in QCache<unsigned long long, Oxygen::TileSet>::clear (this=0x9edb380) at /usr/include/qt4/QtCore/qcache.h:139
#15 0x01987b9f in ~QCache (this=0x8b8f000, __in_chrg=<value optimized out>) at /usr/include/qt4/QtCore/qcache.h:103
#16 QCache<unsigned long long, QCache<unsigned long long, Oxygen::TileSet> >::clear (this=0x8b8f000, __in_chrg=<value optimized out>) at /usr/include/qt4/QtCore/qcache.h:139
#17 ~QCache (this=0x8b8f000, __in_chrg=<value optimized out>) at /usr/include/qt4/QtCore/qcache.h:103
#18 ~Cache (this=0x8b8f000, __in_chrg=<value optimized out>) at ../../../libs/oxygen/oxygenhelper.h:52
#19 ~Helper (this=0x8b8f000, __in_chrg=<value optimized out>) at ../../../libs/oxygen/oxygenhelper.h:99
#20 0x01989105 in ~StyleHelper (this=0x8b8f000, __in_chrg=<value optimized out>) at ../../../kstyles/oxygen/oxygenstylehelper.h:40
#21 0x0194f465 in destroy () at ../../../kstyles/oxygen/oxygenstyle.cpp:89
#22 0x0197774b in ~KCleanUpGlobalStatic (this=0x199f734, __in_chrg=<value optimized out>) at /usr/include/KDE/../kglobal.h:62
#23 0x009351bf in ?? () from /lib/tls/i686/cmov/libc.so.6
#24 0x0093522f in exit () from /lib/tls/i686/cmov/libc.so.6
#25 0x021979eb in qt_xio_errhandler () at kernel/qapplication_x11.cpp:745
#26 0x010a308a in KApplication::xioErrhandler (this=0x8b2c880, dpy=0x8b48740) at ../../kdeui/kernel/kapplication.cpp:416
#27 0x010a30c6 in kde_xio_errhandler (dpy=0x8b48740) at ../../kdeui/kernel/kapplication.cpp:125
#28 0x00584c16 in _XIOError (dpy=0x8b628b0) at ../../src/XlibInt.c:3138
#29 0x0058ca1a in process_responses (dpy=0x8b48740, wait_for_first_event=<value optimized out>, current_error=0x0, current_request=0) at ../../src/xcb_io.c:247
#30 0x0058d356 in _XEventsQueued (dpy=0x8b48740, mode=2) at ../../src/xcb_io.c:263
#31 0x00575adf in XEventsQueued (dpy=0x8b48740, mode=2) at ../../src/Pending.c:44
#32 0x021d7585 in x11EventSourceCheck (s=0x8b38640) at kernel/qguieventdispatcher_glib.cpp:87
#33 0x014bf799 in g_main_context_check () from /lib/libglib-2.0.so.0
#34 0x014c00ce in ?? () from /lib/libglib-2.0.so.0
#35 0x014c04b8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#36 0x03e35195 in QEventDispatcherGlib::processEvents (this=0x8b2fe78, flags=...) at kernel/qeventdispatcher_glib.cpp:412
#37 0x021d73b5 in QGuiEventDispatcherGlib::processEvents (this=0x8b2fe78, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#38 0x03e05419 in QEventLoop::processEvents (this=0xbfeef254, flags=) at kernel/qeventloop.cpp:149
#39 0x03e0589a in QEventLoop::exec (this=0xbfeef254, flags=...) at kernel/qeventloop.cpp:201
#40 0x03e09e4f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#41 0x02114ef7 in QApplication::exec () at kernel/qapplication.cpp:3665
#42 0x00516b1e in kdemain (argc=1, argv=0xbfeef464) at ../../../../plasma/desktop/shell/main.cpp:118
#43 0x0804860b in main (argc=1, argv=0xbfeef464) at plasma-desktop_dummy.cpp:3

Possible duplicates by query: bug 247041, bug 242307, bug 240829, bug 234623, bug 234601.

Reported using DrKonqi