Bug 280941

Application: muon-installer (1.2.0 "Caustic Carrionite")
KDE Platform Version: 4.7.00 (4.7.0)
Qt Version: 4.7.3
Operating System: Linux 3.0.0-9-generic x86_64
Distribution: Ubuntu oneiric (development branch)

-- Information about the crash:
- What I was doing when the application crashed:
I was trying to download some applications for school.  I did a searh for latex in Muon and the application crashed.  Firefox and konsole where also opened.

- Unusual behavior I noticed:

The crash can be reproduced some of the time.

-- Backtrace:
Application: Muon Software Center (muon-installer), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f93d882b780 (LWP 2901))]

Thread 2 (Thread 0x7f93c3efb700 (LWP 2902)):
#0  0x00007f93d540f773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f93d1c89408 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f93d1c898c9 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f93d75c3f4e in QEventDispatcherGlib::processEvents (this=0x1929c00, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f93d7597d52 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f93d7597f57 in QEventLoop::exec (this=0x7f93c3efadd0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f93d74af21f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:492
#7  0x00007f93d757ad1f in QInotifyFileSystemWatcherEngine::run (this=0x1945ef0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f93d74b1ca5 in QThreadPrivate::start (arg=0x1945ef0) at thread/qthread_unix.cpp:320
#9  0x00007f93d276bedc in start_thread (arg=0x7f93c3efb700) at pthread_create.c:304
#10 0x00007f93d541b89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f93d882b780 (LWP 2901)):
[KCrash Handler]
#6  0x00007f93d6d85d65 in KExtendableItemDelegate::extenderRect (this=0x30e84e0, extender=0x31cd8a0, option=..., index=...) at ../../kdeui/itemviews/kextendableitemdelegate.cpp:313
#7  0x00007f93d6d86d4d in KExtendableItemDelegate::paint (this=0x30e84e0, painter=0x7fff6fcc2d60, option=..., index=...) at ../../kdeui/itemviews/kextendableitemdelegate.cpp:277
#8  0x000000000042ac07 in ApplicationDelegate::paint (this=0x30e84e0, painter=0x7fff6fcc2d60, option=..., index=...) at /build/buildd/muon-1.2.0/installer/ApplicationModel/ApplicationDelegate.cpp:90
#9  0x00007f93d61204dd in QTreeView::drawRow (this=0x31e3f70, painter=0x7fff6fcc2d60, option=..., index=...) at itemviews/qtreeview.cpp:1678
#10 0x00007f93d6122fd3 in QTreeView::drawTree (this=0x31e3f70, painter=0x7fff6fcc2d60, region=<optimized out>) at itemviews/qtreeview.cpp:1441
#11 0x00007f93d6123960 in QTreeView::paintEvent (this=0x31e3f70, event=0x7fff6fcc37b0) at itemviews/qtreeview.cpp:1274
#12 0x00007f93d5c2a8fc in QWidget::event (this=0x31e3f70, event=0x7fff6fcc37b0) at kernel/qwidget.cpp:8405
#13 0x00007f93d5fcfb26 in QFrame::event (this=0x31e3f70, e=0x7fff6fcc37b0) at widgets/qframe.cpp:557
#14 0x00007f93d60e079b in QAbstractItemView::viewportEvent (this=0x31e3f70, event=0x7fff6fcc37b0) at itemviews/qabstractitemview.cpp:1628
#15 0x00007f93d6125365 in QTreeView::viewportEvent (this=0x31e3f70, event=0x7fff6fcc37b0) at itemviews/qtreeview.cpp:1256
#16 0x00007f93d7598ce8 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<optimized out>, receiver=0x33e1ab0, event=0x7fff6fcc37b0) at kernel/qcoreapplication.cpp:846
#17 0x00007f93d5bda11f in notify_helper (e=0x7fff6fcc37b0, receiver=0x33e1ab0, this=0x1766420) at kernel/qapplication.cpp:4463
#18 QApplicationPrivate::notify_helper (this=0x1766420, receiver=0x33e1ab0, e=0x7fff6fcc37b0) at kernel/qapplication.cpp:4439
#19 0x00007f93d5bdefc1 in QApplication::notify (this=0x7fff6fcc6be0, receiver=0x33e1ab0, e=0x7fff6fcc37b0) at kernel/qapplication.cpp:4346
#20 0x00007f93d6db8e36 in KApplication::notify (this=0x7fff6fcc6be0, receiver=0x33e1ab0, event=0x7fff6fcc37b0) at ../../kdeui/kernel/kapplication.cpp:311
#21 0x00007f93d7598b5c in QCoreApplication::notifyInternal (this=0x7fff6fcc6be0, receiver=0x33e1ab0, event=0x7fff6fcc37b0) at kernel/qcoreapplication.cpp:731
#22 0x00007f93d5c27834 in sendSpontaneousEvent (event=0x7fff6fcc37b0, receiver=0x33e1ab0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#23 QWidgetPrivate::drawWidget (this=0x3229570, pdev=0x330b220, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x190ccf0) at kernel/qwidget.cpp:5492
#24 0x00007f93d5c28410 in QWidgetPrivate::paintSiblingsRecursive (this=0x334d060, pdev=0x330b220, siblings=..., index=<optimized out>, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x190ccf0) at kernel/qwidget.cpp:5699
#25 0x00007f93d5c282f0 in QWidgetPrivate::paintSiblingsRecursive (this=0x334d060, pdev=0x330b220, siblings=..., index=5, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x190ccf0) at kernel/qwidget.cpp:5686
#26 0x00007f93d5c282f0 in QWidgetPrivate::paintSiblingsRecursive (this=0x334d060, pdev=0x330b220, siblings=..., index=6, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x190ccf0) at kernel/qwidget.cpp:5686
#27 0x00007f93d5c282f0 in QWidgetPrivate::paintSiblingsRecursive (this=0x334d060, pdev=0x330b220, siblings=..., index=7, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x190ccf0) at kernel/qwidget.cpp:5686
#28 0x00007f93d5c282f0 in QWidgetPrivate::paintSiblingsRecursive (this=0x334d060, pdev=0x330b220, siblings=..., index=8, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x190ccf0) at kernel/qwidget.cpp:5686
#29 0x00007f93d5c2758c in QWidgetPrivate::drawWidget (this=0x334d060, pdev=0x330b220, rgn=..., offset=..., flags=<optimized out>, sharedPainter=0x0, backingStore=0x190ccf0) at kernel/qwidget.cpp:5545
#30 0x00007f93d5c28410 in QWidgetPrivate::paintSiblingsRecursive (this=0x339e9a0, pdev=0x330b220, siblings=..., index=<optimized out>, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x190ccf0) at kernel/qwidget.cpp:5699
#31 0x00007f93d5c2758c in QWidgetPrivate::drawWidget (this=0x339e9a0, pdev=0x330b220, rgn=..., offset=..., flags=<optimized out>, sharedPainter=0x0, backingStore=0x190ccf0) at kernel/qwidget.cpp:5545
#32 0x00007f93d5c28410 in QWidgetPrivate::paintSiblingsRecursive (this=0x2c617e0, pdev=0x330b220, siblings=..., index=<optimized out>, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x190ccf0) at kernel/qwidget.cpp:5699
#33 0x00007f93d5c2758c in QWidgetPrivate::drawWidget (this=0x2c617e0, pdev=0x330b220, rgn=..., offset=..., flags=<optimized out>, sharedPainter=0x0, backingStore=0x190ccf0) at kernel/qwidget.cpp:5545
#34 0x00007f93d5c28410 in QWidgetPrivate::paintSiblingsRecursive (this=0x2c3e670, pdev=0x330b220, siblings=..., index=<optimized out>, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x190ccf0) at kernel/qwidget.cpp:5699
#35 0x00007f93d5c2758c in QWidgetPrivate::drawWidget (this=0x2c3e670, pdev=0x330b220, rgn=..., offset=..., flags=<optimized out>, sharedPainter=0x0, backingStore=0x190ccf0) at kernel/qwidget.cpp:5545
#36 0x00007f93d5c28410 in QWidgetPrivate::paintSiblingsRecursive (this=0x18cae50, pdev=0x330b220, siblings=..., index=<optimized out>, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x190ccf0) at kernel/qwidget.cpp:5699
#37 0x00007f93d5c2758c in QWidgetPrivate::drawWidget (this=0x18cae50, pdev=0x330b220, rgn=..., offset=..., flags=<optimized out>, sharedPainter=0x0, backingStore=0x190ccf0) at kernel/qwidget.cpp:5545
#38 0x00007f93d5c28410 in QWidgetPrivate::paintSiblingsRecursive (this=0x18c53e0, pdev=0x330b220, siblings=..., index=<optimized out>, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x190ccf0) at kernel/qwidget.cpp:5699
#39 0x00007f93d5c2758c in QWidgetPrivate::drawWidget (this=0x18c53e0, pdev=0x330b220, rgn=..., offset=..., flags=<optimized out>, sharedPainter=0x0, backingStore=0x190ccf0) at kernel/qwidget.cpp:5545
#40 0x00007f93d5c28410 in QWidgetPrivate::paintSiblingsRecursive (this=0x18a1470, pdev=0x330b220, siblings=..., index=<optimized out>, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x190ccf0) at kernel/qwidget.cpp:5699
#41 0x00007f93d5c2758c in QWidgetPrivate::drawWidget (this=0x18a1470, pdev=0x330b220, rgn=..., offset=..., flags=<optimized out>, sharedPainter=0x0, backingStore=0x190ccf0) at kernel/qwidget.cpp:5545
#42 0x00007f93d5c28410 in QWidgetPrivate::paintSiblingsRecursive (this=0x18a9d80, pdev=0x330b220, siblings=..., index=<optimized out>, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x190ccf0) at kernel/qwidget.cpp:5699
#43 0x00007f93d5c2758c in QWidgetPrivate::drawWidget (this=0x18a9d80, pdev=0x330b220, rgn=..., offset=..., flags=<optimized out>, sharedPainter=0x0, backingStore=0x190ccf0) at kernel/qwidget.cpp:5545
#44 0x00007f93d5de85e3 in QWidgetBackingStore::sync (this=0x190ccf0) at painting/qbackingstore.cpp:1333
#45 0x00007f93d5c1e010 in QWidgetPrivate::syncBackingStore (this=0x18a9d80) at kernel/qwidget.cpp:1842
#46 0x00007f93d5c2ae0c in QWidget::event (this=0x18aaae0, event=0x33400b0) at kernel/qwidget.cpp:8552
#47 0x00007f93d5fe926b in QMainWindow::event (this=0x18aaae0, event=0x33400b0) at widgets/qmainwindow.cpp:1480
#48 0x00007f93d6eb4458 in KXmlGuiWindow::event (this=0x18aaae0, ev=0x33400b0) at ../../kdeui/xmlgui/kxmlguiwindow.cpp:126
#49 0x00007f93d5bda154 in notify_helper (e=0x33400b0, receiver=0x18aaae0, this=0x1766420) at kernel/qapplication.cpp:4467
#50 QApplicationPrivate::notify_helper (this=0x1766420, receiver=0x18aaae0, e=0x33400b0) at kernel/qapplication.cpp:4439
#51 0x00007f93d5bdefc1 in QApplication::notify (this=0x7fff6fcc6be0, receiver=0x18aaae0, e=0x33400b0) at kernel/qapplication.cpp:4346
#52 0x00007f93d6db8e36 in KApplication::notify (this=0x7fff6fcc6be0, receiver=0x18aaae0, event=0x33400b0) at ../../kdeui/kernel/kapplication.cpp:311
#53 0x00007f93d7598b5c in QCoreApplication::notifyInternal (this=0x7fff6fcc6be0, receiver=0x18aaae0, event=0x33400b0) at kernel/qcoreapplication.cpp:731
#54 0x00007f93d759c57f in sendEvent (event=0x33400b0, receiver=0x18aaae0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#55 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x173cbe0) at kernel/qcoreapplication.cpp:1372
#56 0x00007f93d75c3a83 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#57 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:277
#58 0x00007f93d1c88efd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#59 0x00007f93d1c896f8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#60 0x00007f93d1c898c9 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#61 0x00007f93d75c3ee6 in QEventDispatcherGlib::processEvents (this=0x173e6f0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#62 0x00007f93d5c817ae in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#63 0x00007f93d7597d52 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#64 0x00007f93d7597f57 in QEventLoop::exec (this=0x7fff6fcc6b70, flags=...) at kernel/qeventloop.cpp:201
#65 0x00007f93d759c7e9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#66 0x000000000041bd27 in main (argc=5, argv=0x7fff6fcc6e58) at /build/buildd/muon-1.2.0/installer/main.cpp:61

This bug may be a duplicate of or related to bug 259333.

Possible duplicates by query: bug 271201, bug 265548, bug 259333.

Reported using DrKonqi