Application: cantor (0.3) KDE Platform Version: 4.8.5 (4.8.5) Qt Version: 4.8.1 Operating System: Linux 3.2.0-49-generic x86_64 Distribution: Ubuntu 12.04.2 LTS -- Information about the crash: - What I was doing when the application crashed: Every time I check the About information on Cantor, it simply crashes. I had Kalgebra backend during the crash. The crash can be reproduced every time. -- Backtrace: Application: Cantor (cantor), signal: Segmentation fault Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [Current thread is 1 (Thread 0x7fe628538780 (LWP 25951))] Thread 4 (Thread 0x7fe60ea54700 (LWP 25953)): #0 0x00007fe6252e5313 in poll () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007fe621e6dff6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fe621e6e45a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007fe60ea5998b in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so #4 0x00007fe621e8f9b5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007fe62233ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #6 0x00007fe6252f0ccd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #7 0x0000000000000000 in ?? () Thread 3 (Thread 0x7fe60e022700 (LWP 25954)): #0 0x00007fe6252e5313 in poll () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007fe621e6dff6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fe621e6e45a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007fe615bad5e6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 #4 0x00007fe621e8f9b5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007fe62233ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #6 0x00007fe6252f0ccd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #7 0x0000000000000000 in ?? () Thread 2 (Thread 0x7fe607fff700 (LWP 27655)): #0 0x00007fe6252ea033 in select () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007fe625a1506f in QProcessManager::run (this=0x7fe625d8d500) at io/qprocess_unix.cpp:245 #2 0x00007fe625937fcb in QThreadPrivate::start (arg=0x7fe625d8d500) at thread/qthread_unix.cpp:298 #3 0x00007fe62233ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #4 0x00007fe6252f0ccd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #5 0x0000000000000000 in ?? () Thread 1 (Thread 0x7fe628538780 (LWP 25951)): [KCrash Handler] #6 0x00007fe625a4ab02 in QObject::disconnect (sender=0x1a6c1d0, signal=0x1b7e3d9 "rowsInserted(QModelIndex,int,int)", receiver=0x1b2d4c0, method=0x1b7d679 "_k_slotRowsInserted(QModelIndex,int,int)") at kernel/qobject.cpp:2891 #7 0x00007fe627f04cff in ?? () from /usr/lib/libkdeui.so.5 #8 0x00007fe625a37028 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<optimized out>, receiver=0x1a71df0, event=0x7fff2d32e600) at kernel/qcoreapplication.cpp:986 #9 0x00007fe62643085f in notify_helper (e=0x7fff2d32e600, receiver=0x1a71df0, this=0xf2ac10) at kernel/qapplication.cpp:4555 #10 QApplicationPrivate::notify_helper (this=0xf2ac10, receiver=0x1a71df0, e=0x7fff2d32e600) at kernel/qapplication.cpp:4531 #11 0x00007fe626435713 in QApplication::notify (this=0x7fff2d32f5f0, receiver=0x1a71df0, e=0x7fff2d32e600) at kernel/qapplication.cpp:4420 #12 0x00007fe627f263f6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5 #13 0x00007fe625a36e9c in QCoreApplication::notifyInternal (this=0x7fff2d32f5f0, receiver=0x1a71df0, event=0x7fff2d32e600) at kernel/qcoreapplication.cpp:876 #14 0x00007fe62694b30d in sendEvent (event=0x7fff2d32e600, receiver=0x1a71df0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231 #15 QAccessible::queryAccessibleInterface (object=0x1a71df0) at accessible/qaccessible.cpp:593 #16 0x00007fe62695151d in QAccessible::updateAccessibility (o=<optimized out>, who=0, reason=QAccessible::ObjectDestroyed) at accessible/qaccessible_unix.cpp:102 #17 0x00007fe62647b74f in QWidget::~QWidget (this=0x1a71df0, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1679 #18 0x00007fe62647ba19 in QWidget::~QWidget (this=0x1a71df0, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1700 #19 0x00007fe625a49935 in QObjectPrivate::deleteChildren (this=0x16d6c30) at kernel/qobject.cpp:1908 #20 0x00007fe62647b740 in QWidget::~QWidget (this=0x1ace2e0, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1676 #21 0x00007fe627e9ef8e in ?? () from /usr/lib/libkdeui.so.5 #22 0x00007fe625a49935 in QObjectPrivate::deleteChildren (this=0x1a6b570) at kernel/qobject.cpp:1908 #23 0x00007fe62647b740 in QWidget::~QWidget (this=0x1a1b8f0, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1676 #24 0x00007fe62647ba19 in QWidget::~QWidget (this=0x1a1b8f0, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1700 #25 0x00007fe625a49935 in QObjectPrivate::deleteChildren (this=0x1ae6a00) at kernel/qobject.cpp:1908 #26 0x00007fe62647b740 in QWidget::~QWidget (this=0x1ae2d40, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1676 #27 0x00007fe62689c4b9 in QStackedWidget::~QStackedWidget (this=0x1ae2d40, __in_chrg=<optimized out>) at widgets/qstackedwidget.cpp:193 #28 0x00007fe625a49935 in QObjectPrivate::deleteChildren (this=0x19b1290) at kernel/qobject.cpp:1908 #29 0x00007fe62647b740 in QWidget::~QWidget (this=0x1a1c3b0, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1676 #30 0x00007fe6268a7fa9 in QTabWidget::~QTabWidget (this=0x1a1c3b0, __in_chrg=<optimized out>) at widgets/qtabwidget.cpp:367 #31 0x00007fe625a49935 in QObjectPrivate::deleteChildren (this=0x16dadc0) at kernel/qobject.cpp:1908 #32 0x00007fe62647b740 in QWidget::~QWidget (this=0x1b2e910, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1676 #33 0x00007fe62647ba19 in QWidget::~QWidget (this=0x1b2e910, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1700 #34 0x00007fe625a49935 in QObjectPrivate::deleteChildren (this=0x1ae5eb0) at kernel/qobject.cpp:1908 #35 0x00007fe62647b740 in QWidget::~QWidget (this=0x1ade3b0, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1676 #36 0x00007fe627e92729 in KAboutApplicationDialog::~KAboutApplicationDialog() () from /usr/lib/libkdeui.so.5 #37 0x00007fe627fd13be in KHelpMenu::timerExpired() () from /usr/lib/libkdeui.so.5 #38 0x00007fe625a50446 in QObject::event (this=0x126db70, e=<optimized out>) at kernel/qobject.cpp:1195 #39 0x00007fe626430894 in notify_helper (e=0x1b72130, receiver=0x126db70, this=0xf2ac10) at kernel/qapplication.cpp:4559 #40 QApplicationPrivate::notify_helper (this=0xf2ac10, receiver=0x126db70, e=0x1b72130) at kernel/qapplication.cpp:4531 #41 0x00007fe626435713 in QApplication::notify (this=0x7fff2d32f5f0, receiver=0x126db70, e=0x1b72130) at kernel/qapplication.cpp:4420 #42 0x00007fe627f263f6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5 #43 0x00007fe625a36e9c in QCoreApplication::notifyInternal (this=0x7fff2d32f5f0, receiver=0x126db70, event=0x1b72130) at kernel/qcoreapplication.cpp:876 #44 0x00007fe625a3ac6a in sendEvent (event=0x1b72130, receiver=0x126db70) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231 #45 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0xf02670) at kernel/qcoreapplication.cpp:1500 #46 0x00007fe625a65f93 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236 #47 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:279 #48 0x00007fe621e6dd13 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #49 0x00007fe621e6e060 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #50 0x00007fe621e6e124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #51 0x00007fe625a663bf in QEventDispatcherGlib::processEvents (this=0xf03b30, flags=...) at kernel/qeventdispatcher_glib.cpp:424 #52 0x00007fe6264d8d5e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204 #53 0x00007fe625a35c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149 #54 0x00007fe625a35ed7 in QEventLoop::exec (this=0x7fff2d32f580, flags=...) at kernel/qeventloop.cpp:204 #55 0x00007fe625a3af67 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148 #56 0x000000000040a28f in ?? () #57 0x00007fe62521e76d in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6 #58 0x000000000040a475 in _start () Possible duplicates by query: bug 305931. Reported using DrKonqi
Fixed since Qt 4.8.2. *** This bug has been marked as a duplicate of bug 305931 ***