Version:            (using Devel)
OS:                Linux
Installed from:    Compiled sources

KDE 4.3.74/Qt 4.6.0 beta1 as shipped by Mandriva cooker.

Plasma crashes frequently starting new program from kickoff. Stack:

Application: Рабочее пространство Plasma (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f3e1274c710 (LWP 6495))]

Thread 2 (Thread 0x7f3dee7e9910 (LWP 6498)):
#0  0x00007f3e11ee3e59 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f3e1216644b in QWaitCondition::wait (this=<value optimized out>, mutex=0x2aab2a8, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  0x00007f3e0e4e47ac in QHostInfoAgent::run (this=0x2aab290) at kernel/qhostinfo.cpp:252
#3  0x00007f3e12165495 in QThreadPrivate::start (arg=0x2aab290) at thread/qthread_unix.cpp:244
#4  0x00007f3e11edf7cd in start_thread () from /lib64/libpthread.so.0
#5  0x00007f3e0f7de37d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f3e1274c710 (LWP 6495)):
[KCrash Handler]
#5  QGraphicsScenePrivate::processDirtyItemsRecursive (this=0x1ea92b0, item=0x236ac50, dirtyAncestorContainsChildren=false, parentOpacity=0) at graphicsview/qgraphicsscene.cpp:4798
#6  0x00007f3e10520bbd in QGraphicsScenePrivate::_q_processDirtyItems (this=0x1ea92b0) at graphicsview/qgraphicsscene.cpp:455
#7  0x00007f3e1052105a in QGraphicsScene::qt_metacall (this=0x1eb3640, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x2aae000) at .moc/release-shared/moc_qgraphicsscene.cpp:128
#8  0x00007f3e09a3dd75 in Plasma::Corona::qt_metacall (this=0x1ea92b0, _c=37137488, _id=0, _a=0x0) at /usr/src/debug/kdelibs-4.3.73svn1040395/build/plasma/corona.moc:107
#9  0x00007f3e0356f422 in DesktopCorona::qt_metacall (this=0x1ea92b0, _c=37137488, _id=0, _a=0x0) at /usr/src/debug/kdebase-workspace-4.3.73svn1040395/build/plasma/desktop/shell/desktopcorona.moc:78
#10 0x00007f3e122683f9 in QObject::event (this=0x1eb3640, e=0x2fab3d0) at kernel/qobject.cpp:1238
#11 0x00007f3e10519d90 in QGraphicsScene::event (this=0x1eb3640, event=0x2fab3d0) at graphicsview/qgraphicsscene.cpp:3366
#12 0x00007f3e0ff17d7c in QApplicationPrivate::notify_helper (this=0x1cd8c60, receiver=0x1eb3640, e=0x2fab3d0) at kernel/qapplication.cpp:4277
#13 0x00007f3e0ff1e4bd in QApplication::notify (this=0x1c955a0, receiver=0x1eb3640, e=0x2fab3d0) at kernel/qapplication.cpp:4166
#14 0x00007f3e10be5f96 in KApplication::notify (this=0x1c955a0, receiver=0x1eb3640, event=0x2fab3d0) at /usr/src/debug/kdelibs-4.3.73svn1040395/kdeui/kernel/kapplication.cpp:302
#15 0x00007f3e122587fc in QCoreApplication::notifyInternal (this=0x1c955a0, receiver=0x1eb3640, event=0x2fab3d0) at kernel/qcoreapplication.cpp:704
#16 0x00007f3e1225af77 in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=<value optimized out>, data=0x1c56840) at ../../src/corelib/kernel/qcoreapplication.h:215
#17 0x00007f3e12282073 in postEventSourceDispatch (s=<value optimized out>) at ../../src/corelib/kernel/qcoreapplication.h:220
#18 0x00007f3e0ec554ce in IA__g_main_context_dispatch (context=0x1cdb0c0) at gmain.c:1960
#19 0x00007f3e0ec58e98 in g_main_context_iterate (context=0x1cdb0c0, block=<value optimized out>, dispatch=<value optimized out>, self=<value optimized out>) at gmain.c:2591
#20 0x00007f3e0ec58fc0 in IA__g_main_context_iteration (context=0x1cdb0c0, may_block=1) at gmain.c:2654
#21 0x00007f3e12281bb3 in QEventDispatcherGlib::processEvents (this=0x1cd86f0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:407
#22 0x00007f3e0ffbbc1e in QGuiEventDispatcherGlib::processEvents (this=0x1ea92b0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#23 0x00007f3e12257122 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#24 0x00007f3e122574fc in QEventLoop::exec (this=0x7fff057d1a40, flags=) at kernel/qeventloop.cpp:201
#25 0x00007f3e1225b23b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#26 0x00007f3e035766ad in kdemain (argc=<value optimized out>, argv=<value optimized out>) at /usr/src/debug/kdebase-workspace-4.3.73svn1040395/plasma/desktop/shell/main.cpp:112
#27 0x0000000000406a58 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=0x409f8d "0") at /usr/src/debug/kdelibs-4.3.73svn1040395/kinit/kinit.cpp:705
#28 0x0000000000407750 in handle_launcher_request (sock=8, who=<value optimized out>) at /usr/src/debug/kdelibs-4.3.73svn1040395/kinit/kinit.cpp:1197
#29 0x0000000000407c01 in handle_requests (waitForPid=0) at /usr/src/debug/kdelibs-4.3.73svn1040395/kinit/kinit.cpp:1390
#30 0x00000000004088ca in main (argc=2, argv=<value optimized out>, envp=<value optimized out>) at /usr/src/debug/kdelibs-4.3.73svn1040395/kinit/kinit.cpp:1825