Version:           akregator 1.4.1 (using KDE 4.2.1)
OS:                Linux
Installed from:    Debian testing/unstable Packages

With all feeds, when i try to open one in a tab by clicking on feed title or by right-clicking and open new tab, akregator crashes, with backtrace below.
Kde is 4.2.1 and qt 4.5
Debian with experimental repos actived.

Applicazione: Akregator (akregator), segnale SIGSEGV
0x00007f37270548d1 in nanosleep () from /lib/libc.so.6
Current language:  auto; currently c
[Current thread is 1 (Thread 0x7f372a034770 (LWP 26620))]

Thread 1 (Thread 0x7f372a034770 (LWP 26620)):
[KCrash Handler]
#5  0x00007f3718a1c4e5 in khtml::RenderObject::drawBorder (this=0x13e35e0, p=0x7fff32177db0, x1=12, y1=12, x2=369, y2=13, s=khtml::RenderObject::BSTop, c=
    {cspec = 840398336, ct = {argb = {alpha = 32767, red = 0, green = 39488, blue = 363, pad = 0}, ahsv = {alpha = 32767, hue = 0, saturation = 39488, value = 363, pad = 0}, acmyk = {alpha = 32767, cyan = 0, magenta = 39488, yellow = 363, black = 0}}}, textcolor=@0x16b9a40, style=khtml::DOTTED, adjbw1=1, adjbw2=1, invalidisInvert=true, nextDashOffset=0x0)
    at ../../khtml/rendering/render_object.cpp:918
#6  0x00007f3718a0d3d8 in khtml::RenderInline::paintOutlinePath (this=0x13e35e0, p=0x7fff32177db0, tx=11, ty=11, begin=<value optimized out>, end=0x1aedca8, bs=khtml::RenderObject::BSTop, direction=
    -21, endingBS=khtml::RenderObject::BSTop) at ../../khtml/rendering/render_inline.cpp:768
#7  0x00007f3718a0e42e in khtml::RenderInline::paintOutlines (this=0x13e35e0, p=0x7fff32177db0, _tx=11, _ty=11) at ../../khtml/rendering/render_inline.cpp:639
#8  0x00007f3718a2f362 in khtml::RenderFlow::paintLines (this=<value optimized out>, i=@0x7fff32177a50, _tx=11, _ty=11) at ../../khtml/rendering/render_flow.cpp:395
#9  0x00007f3718a0757e in khtml::RenderBlock::paintObject (this=0x13e3518, pI=@0x7fff32177a50, _tx=11, _ty=11, shouldPaintOutline=true) at ../../khtml/rendering/render_block.cpp:1730
#10 0x00007f3718a076c9 in khtml::RenderBlock::paintObject (this=0x13e3450, pI=@0x7fff32177a50, _tx=10, _ty=10, shouldPaintOutline=true) at ../../khtml/rendering/render_block.cpp:1734
#11 0x00007f3718a076c9 in khtml::RenderBlock::paintObject (this=0x13e3388, pI=@0x7fff32177a50, _tx=10, _ty=10, shouldPaintOutline=true) at ../../khtml/rendering/render_block.cpp:1734
#12 0x00007f3718a076c9 in khtml::RenderBlock::paintObject (this=0x13e3210, pI=@0x7fff32177a50, _tx=0, _ty=0, shouldPaintOutline=true) at ../../khtml/rendering/render_block.cpp:1734
#13 0x00007f3718a3a362 in khtml::RenderLayer::paintLayer (this=0x13e32d8, rootLayer=0x13e3160, p=0x7fff32177db0, paintDirtyRect=@0x7fff32177d20, selectionOnly=false)
    at ../../khtml/rendering/render_layer.cpp:1086
#14 0x00007f3718a3a1e6 in khtml::RenderLayer::paintLayer (this=0x13e3160, rootLayer=0x13e3160, p=0x7fff32177db0, paintDirtyRect=@0x7fff32177d20, selectionOnly=false)
    at ../../khtml/rendering/render_layer.cpp:1107
#15 0x00007f37188dcb91 in KHTMLView::paintEvent (this=0x11e5e60, e=<value optimized out>) at ../../khtml/khtmlview.cpp:966
#16 0x00007f37188c846e in KHTMLView::viewportEvent (this=0x11e5e60, e=<value optimized out>) at ../../khtml/khtmlview.cpp:2160
#17 0x00007f37285bbf58 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x11e5d40, event=0x7fff32178370) at kernel/qcoreapplication.cpp:718
#18 0x00007f3727a0258c in QApplicationPrivate::notify_helper (this=0xf113f0, receiver=0x11e5d40, e=0x7fff32178370) at kernel/qapplication.cpp:4080
#19 0x00007f3727a0a7aa in QApplication::notify (this=0x7fff3217a7a0, receiver=0x11e5d40, e=0x7fff32178370) at kernel/qapplication.cpp:4049
#20 0x00007f37291b911b in KApplication::notify (this=0x7fff3217a7a0, receiver=0x11e5d40, event=0x7fff32178370) at ../../kdeui/kernel/kapplication.cpp:307
#21 0x00007f37285bcc4c in QCoreApplication::notifyInternal (this=0x7fff3217a7a0, receiver=0x11e5d40, event=0x7fff32178370) at kernel/qcoreapplication.cpp:602
#22 0x00007f3727a5a7e5 in QWidgetPrivate::drawWidget (this=0x11e6250, pdev=0x1d87ce0, rgn=@0x7fff321785b0, offset=@0x7fff321785a0, flags=26, sharedPainter=0x0, backingStore=0x0)
    at kernel/qwidget.cpp:5046
#23 0x00007f3727a5b1c6 in QWidget::render (this=<value optimized out>, target=0x1d87ce0, targetOffset=@0x7fff321788c0, sourceRegion=<value optimized out>, renderFlags={i = 840403344})
    at kernel/qwidget.cpp:4734
#24 0x00007f371ba0986b in grabWidget(QWidget*, QPixmap&) () from /usr/lib/qt4/plugins/styles/libbespin.so
#25 0x00007f371ba0b430 in Animator::TabInfo::switchTab(QStackedWidget*, int) () from /usr/lib/qt4/plugins/styles/libbespin.so
#26 0x00007f371ba0bd27 in Animator::Tab::changed(int) () from /usr/lib/qt4/plugins/styles/libbespin.so
#27 0x00007f371ba5c249 in Animator::Tab::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/qt4/plugins/styles/libbespin.so
#28 0x00007f37285d2622 in QMetaObject::activate (sender=0x1136fa0, from_signal_index=<value optimized out>, to_signal_index=27, argv=0x7f3727304a60) at kernel/qobject.cpp:3069
#29 0x00007f3728049bde in QStackedWidget::currentChanged (this=0x7fff32177db0, _t1=1) at .moc/release-shared/moc_qstackedwidget.cpp:125
#30 0x00007f3728049d7c in QStackedWidget::qt_metacall (this=0x1136fa0, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0x7fff32179020) at .moc/release-shared/moc_qstackedwidget.cpp:82
#31 0x00007f37285d2622 in QMetaObject::activate (sender=0x1140fd0, from_signal_index=<value optimized out>, to_signal_index=5, argv=0x7f3727304a60) at kernel/qobject.cpp:3069
#32 0x00007f3728043361 in QStackedLayout::currentChanged (this=0x7fff32177db0, _t1=1) at .moc/release-shared/moc_qstackedlayout.cpp:141
#33 0x00007f3727e61493 in QTabWidgetPrivate::_q_showTab (this=0x1141670, index=1) at widgets/qtabwidget.cpp:723
#34 0x00007f3727e61668 in QTabWidget::qt_metacall (this=0x1141270, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff321791f0) at .moc/release-shared/moc_qtabwidget.cpp:136
#35 0x00007f37292a8cb5 in KTabWidget::qt_metacall (this=0x7fff32177db0, _c=655175824, _id=840398336, _a=0x7f3727304a60) at ./ktabwidget.moc:123
#36 0x00007f371959ee75 in Akregator::TabWidget::qt_metacall (this=0x7fff32177db0, _c=655175824, _id=840398336, _a=0x7f3727304a60) at ./tabwidget.moc:94
#37 0x00007f37285d2622 in QMetaObject::activate (sender=0x1143360, from_signal_index=<value optimized out>, to_signal_index=27, argv=0x7f3727304a60) at kernel/qobject.cpp:3069
#38 0x00007f3727e544ae in QTabBar::currentChanged (this=0x7fff32177db0, _t1=1) at .moc/release-shared/moc_qtabbar.cpp:201
#39 0x00007f3727e5a98d in QTabBar::setCurrentIndex (this=0x1143360, index=1) at widgets/qtabbar.cpp:1176
#40 0x00007f371959e408 in Akregator::TabWidget::slotSelectFrame (this=0x1141270, frameId=1) at ../../../akregator/src/tabwidget.cpp:145
#41 0x00007f371959ef5b in Akregator::TabWidget::qt_metacall (this=0x1141270, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff321793a0) at ./tabwidget.moc:110
#42 0x00007f37285d2622 in QMetaObject::activate (sender=0x1118c90, from_signal_index=<value optimized out>, to_signal_index=7, argv=0x7f3727304a60) at kernel/qobject.cpp:3069
#43 0x00007f371957c331 in Akregator::FrameManager::signalSelectFrame (this=0x7fff32177db0, _t1=1) at ./framemanager.moc:201
#44 0x00007f371957c54f in Akregator::FrameManager::openUrl (this=0x1118c90, request=@0x19341a0) at ../../../akregator/src/framemanager.cpp:256
#45 0x00007f371957e441 in Akregator::FrameManager::qt_metacall (this=0x1118c90, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff32179590) at ./framemanager.moc:157
#46 0x00007f37285d2622 in QMetaObject::activate (sender=0x1934180, from_signal_index=<value optimized out>, to_signal_index=15, argv=0x7f3727304a60) at kernel/qobject.cpp:3069
#47 0x00007f371956ebe2 in Akregator::BrowserRun::signalFoundMimeType (this=0x7fff32177db0, _t1=<value optimized out>) at ./browserrun.moc:79
#48 0x00007f371956ecf8 in Akregator::BrowserRun::foundMimeType (this=0x1934180, type=@0x7fff32179670) at ../../../akregator/src/browserrun.cpp:49
#49 0x00007f3726c4e712 in KRun::mimeTypeDetermined (this=0x7fff32177db0, mimeType=@0x7f37270d3090) at ../../kio/kio/krun.cpp:1129
#50 0x00007f3729d4efce in KParts::BrowserRun::slotBrowserMimetype (this=0x1934180, _job=<value optimized out>, type=@0x7fff32179bd0) at ../../kparts/browserrun.cpp:222
#51 0x00007f3729d5019d in KParts::BrowserRun::qt_metacall (this=0x1934180, _c=QMetaObject::InvokeMetaMethod, _id=1, _a=0x7fff32179870) at ./browserrun.moc:73
#52 0x00007f371956ec15 in Akregator::BrowserRun::qt_metacall (this=0x7fff32177db0, _c=655175824, _id=840398336, _a=0x7f3727304a60) at ./browserrun.moc:63
#53 0x00007f37285d2622 in QMetaObject::activate (sender=0x1782220, from_signal_index=<value optimized out>, to_signal_index=44, argv=0x7f3727304a60) at kernel/qobject.cpp:3069
#54 0x00007f3726bd9957 in KIO::TransferJob::mimetype (this=0x7fff32177db0, _t1=0x1782220, _t2=<value optimized out>) at ./jobclasses.moc:384
#55 0x00007f3726be4921 in KIO::TransferJob::qt_metacall (this=0x1782220, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff321799a0) at ./jobclasses.moc:339
#56 0x00007f37285d2622 in QMetaObject::activate (sender=0x1d89a80, from_signal_index=<value optimized out>, to_signal_index=23, argv=0x7f3727304a60) at kernel/qobject.cpp:3069
#57 0x00007f3726c96035 in KIO::SlaveInterface::mimeType (this=0x7fff32177db0, _t1=<value optimized out>) at ./slaveinterface.moc:265
#58 0x00007f3726c99610 in KIO::SlaveInterface::dispatch (this=0x1d89a80, _cmd=21, rawdata=<value optimized out>) at ../../kio/kio/slaveinterface.cpp:270
#59 0x00007f3726c966a2 in KIO::SlaveInterface::dispatch (this=0x1d89a80) at ../../kio/kio/slaveinterface.cpp:91
#60 0x00007f3726c878d3 in KIO::Slave::gotInput (this=0x1d89a80) at ../../kio/kio/slave.cpp:322
#61 0x00007f3726c89bd8 in KIO::Slave::qt_metacall (this=0x1d89a80, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0x7fff32179d90) at ./slave.moc:75
#62 0x00007f37285d2622 in QMetaObject::activate (sender=0x14cf860, from_signal_index=<value optimized out>, to_signal_index=4, argv=0x7f3727304a60) at kernel/qobject.cpp:3069
#63 0x00007f3726bae831 in KIO::ConnectionPrivate::dequeue (this=0x14834b0) at ../../kio/kio/connection.cpp:82
#64 0x00007f3726baec8a in KIO::Connection::qt_metacall (this=0x14cf860, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0x14d8220) at ./connection.moc:72
#65 0x00007f37285ccc78 in QObject::event (this=0x14cf860, e=0x184cbd0) at kernel/qobject.cpp:1118
#66 0x00007f3727a025bd in QApplicationPrivate::notify_helper (this=0xf113f0, receiver=0x14cf860, e=0x184cbd0) at kernel/qapplication.cpp:4084
#67 0x00007f3727a0a7aa in QApplication::notify (this=0x7fff3217a7a0, receiver=0x14cf860, e=0x184cbd0) at kernel/qapplication.cpp:4049
#68 0x00007f37291b911b in KApplication::notify (this=0x7fff3217a7a0, receiver=0x14cf860, event=0x184cbd0) at ../../kdeui/kernel/kapplication.cpp:307
#69 0x00007f37285bcc4c in QCoreApplication::notifyInternal (this=0x7fff3217a7a0, receiver=0x14cf860, event=0x184cbd0) at kernel/qcoreapplication.cpp:602
#70 0x00007f37285bd8ba in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0xedef60) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#71 0x00007f37285e6613 in postEventSourceDispatch (s=<value optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#72 0x00007f37229acf1a in IA__g_main_context_dispatch (context=0xf07d20) at /tmp/buildd/glib2.0-2.19.10/glib/gmain.c:1814
#73 0x00007f37229b05e0 in g_main_context_iterate (context=0xf07d20, block=1, dispatch=1, self=<value optimized out>) at /tmp/buildd/glib2.0-2.19.10/glib/gmain.c:2448
#74 0x00007f37229b077c in IA__g_main_context_iteration (context=0xf07d20, may_block=1) at /tmp/buildd/glib2.0-2.19.10/glib/gmain.c:2511
#75 0x00007f37285e629f in QEventDispatcherGlib::processEvents (this=0xee65c0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:323
#76 0x00007f3727a9a68f in QGuiEventDispatcherGlib::processEvents (this=0x7fff32177db0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#77 0x00007f37285bb4f2 in QEventLoop::processEvents (this=<value optimized out>, flags={i = 840410896}) at kernel/qeventloop.cpp:149
#78 0x00007f37285bb8bd in QEventLoop::exec (this=0x7fff3217a750, flags={i = 840410976}) at kernel/qeventloop.cpp:200
#79 0x00007f37285bdb84 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:880
#80 0x0000000000408737 in main (argc=<value optimized out>, argv=<value optimized out>) at ../../../akregator/src/main.cpp:115