[kde] [Bug 343499] New: System Settings crashes when applying font settings

Jordan Cran jordancran at gmail.com
Thu Jan 29 07:03:31 GMT 2015 

https://bugs.kde.org/show_bug.cgi?id=343499

            Bug ID: 343499
           Summary: System Settings crashes when applying font settings
           Product: kde
           Version: unspecified
          Platform: unspecified
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: jordancran at gmail.com

Application: systemsettings5 (5.2.0)
 (Compiled from sources)
Qt Version: 5.3.2
Operating System: Linux 3.14.29 x86_64

-- Information about the crash:
- What I was doing when the application crashed:
Changing *any* settings under the font section crashes system settings when the
apply button is clicked.

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault
Using host libthread_db library
"/nix/store/nrxyygy0wqski1klq0305d3h523k41ps-glibc-2.20/lib/libthread_db.so.1".
To enable execution of this file add
    add-auto-load-safe-path
/nix/store/p9rmkj5s68cjhjnb8msj477wcm5157rx-gcc-4.8.4/lib/libstdc++.so.6.0.19-gdb.py
line to your configuration file "/home/instantepiphany/.gdbinit".
To completely disable this security protection add
    set auto-load safe-path /
line to your configuration file "/home/instantepiphany/.gdbinit".
For more information about this security protection see the
"Auto-loading safe path" section in the GDB manual.  E.g., run from the shell:
    info "(gdb)Auto-loading safe path"
[Current thread is 1 (Thread 0x7fe230a00780 (LWP 22734))]

Thread 4 (Thread 0x7fe21a18c700 (LWP 22735)):
#0  0x00007fe22adbc3dd in poll () from
/nix/store/nrxyygy0wqski1klq0305d3h523k41ps-glibc-2.20/lib/libc.so.6
#1  0x00007fe229d21192 in _xcb_conn_wait () from
/nix/store/pd223mz7xrdc3l44z0ml0k2cphr55pyc-libxcb-1.11/lib/libxcb.so.1
#2  0x00007fe229d22c2f in xcb_wait_for_event () from
/nix/store/pd223mz7xrdc3l44z0ml0k2cphr55pyc-libxcb-1.11/lib/libxcb.so.1
#3  0x00007fe21bbacb49 in ?? () from
/nix/store/5k4r5aqrbx4xkxsr7afz1rpmczxdyjka-qt-5.3.2/plugins/platforms/libqxcb.so
#4  0x00007fe22b93433f in ?? () from
/nix/store/5k4r5aqrbx4xkxsr7afz1rpmczxdyjka-qt-5.3.2/lib/libQt5Core.so.5
#5  0x00007fe228926374 in start_thread () from
/nix/store/nrxyygy0wqski1klq0305d3h523k41ps-glibc-2.20/lib/libpthread.so.0
#6  0x00007fe22adc4f9d in clone () from
/nix/store/nrxyygy0wqski1klq0305d3h523k41ps-glibc-2.20/lib/libc.so.6

Thread 3 (Thread 0x7fe2076ad700 (LWP 22736)):
#0  0x00007fe22892a82f in pthread_cond_wait@@GLIBC_2.3.2 () from
/nix/store/nrxyygy0wqski1klq0305d3h523k41ps-glibc-2.20/lib/libpthread.so.0
#1  0x00007fe20da81f13 in radeon_drm_cs_emit_ioctl () from
/run/opengl-driver/lib/dri/r600_dri.so
#2  0x00007fe20da81757 in impl_thrd_routine () from
/run/opengl-driver/lib/dri/r600_dri.so
#3  0x00007fe228926374 in start_thread () from
/nix/store/nrxyygy0wqski1klq0305d3h523k41ps-glibc-2.20/lib/libpthread.so.0
#4  0x00007fe22adc4f9d in clone () from
/nix/store/nrxyygy0wqski1klq0305d3h523k41ps-glibc-2.20/lib/libc.so.6

Thread 2 (Thread 0x7fe1fd61b700 (LWP 22738)):
#0  0x00007fe22adbc3dd in poll () from
/nix/store/nrxyygy0wqski1klq0305d3h523k41ps-glibc-2.20/lib/libc.so.6
#1  0x00007fe21821a0e1 in poll_func () from
/nix/store/zdbisda4601xis360z06a4l56qzmj0n1-pulseaudio-5.0/lib/libpulse.so.0
#2  0x00007fe21820b95c in pa_mainloop_poll () from
/nix/store/zdbisda4601xis360z06a4l56qzmj0n1-pulseaudio-5.0/lib/libpulse.so.0
#3  0x00007fe21820bfce in pa_mainloop_iterate () from
/nix/store/zdbisda4601xis360z06a4l56qzmj0n1-pulseaudio-5.0/lib/libpulse.so.0
#4  0x00007fe21820c080 in pa_mainloop_run () from
/nix/store/zdbisda4601xis360z06a4l56qzmj0n1-pulseaudio-5.0/lib/libpulse.so.0
#5  0x00007fe21821a093 in thread () from
/nix/store/zdbisda4601xis360z06a4l56qzmj0n1-pulseaudio-5.0/lib/libpulse.so.0
#6  0x00007fe2139cdd98 in internal_thread_func () from
/nix/store/zdbisda4601xis360z06a4l56qzmj0n1-pulseaudio-5.0/lib/pulseaudio/libpulsecommon-5.0.so
#7  0x00007fe228926374 in start_thread () from
/nix/store/nrxyygy0wqski1klq0305d3h523k41ps-glibc-2.20/lib/libpthread.so.0
#8  0x00007fe22adc4f9d in clone () from
/nix/store/nrxyygy0wqski1klq0305d3h523k41ps-glibc-2.20/lib/libc.so.6

Thread 1 (Thread 0x7fe230a00780 (LWP 22734)):
[KCrash Handler]
#5  0x00007fe2031f1617 in
Phonon::Gstreamer::MediaNode::linkMediaNodeList(QList<QObject*>&, _GstElement*,
_GstElement*, _GstElement*) () from
/nix/store/z6fy5fn1g0xzrr0zhqz7v1y079a9n720-phonon-backend-gstreamer-4.8.2/lib/qt5/plugins/phonon4qt5_backend/phonon_gstreamer.so
#6  0x00007fe2031f1842 in Phonon::Gstreamer::MediaNode::link() () from
/nix/store/z6fy5fn1g0xzrr0zhqz7v1y079a9n720-phonon-backend-gstreamer-4.8.2/lib/qt5/plugins/phonon4qt5_backend/phonon_gstreamer.so
#7  0x00007fe2031f3013 in Phonon::Gstreamer::MediaObject::loadingComplete() ()
from
/nix/store/z6fy5fn1g0xzrr0zhqz7v1y079a9n720-phonon-backend-gstreamer-4.8.2/lib/qt5/plugins/phonon4qt5_backend/phonon_gstreamer.so
#8  0x00007fe2031f7d08 in
Phonon::Gstreamer::MediaObject::handleStateChange(GstState, GstState) () from
/nix/store/z6fy5fn1g0xzrr0zhqz7v1y079a9n720-phonon-backend-gstreamer-4.8.2/lib/qt5/plugins/phonon4qt5_backend/phonon_gstreamer.so
#9  0x00007fe2031f9601 in
Phonon::Gstreamer::MediaObject::qt_static_metacall(QObject*, QMetaObject::Call,
int, void**) () from
/nix/store/z6fy5fn1g0xzrr0zhqz7v1y079a9n720-phonon-backend-gstreamer-4.8.2/lib/qt5/plugins/phonon4qt5_backend/phonon_gstreamer.so
#10 0x00007fe22bb8a3ee in QMetaObject::activate(QObject*, int, int, void**) ()
from /nix/store/5k4r5aqrbx4xkxsr7afz1rpmczxdyjka-qt-5.3.2/lib/libQt5Core.so.5
#11 0x00007fe2031fe74f in Phonon::Gstreamer::Pipeline::stateChanged(GstState,
GstState) () from
/nix/store/z6fy5fn1g0xzrr0zhqz7v1y079a9n720-phonon-backend-gstreamer-4.8.2/lib/qt5/plugins/phonon4qt5_backend/phonon_gstreamer.so
#12 0x00007fe203203782 in Phonon::Gstreamer::Pipeline::cb_state(_GstBus*,
_GstMessage*, void*) () from
/nix/store/z6fy5fn1g0xzrr0zhqz7v1y079a9n720-phonon-backend-gstreamer-4.8.2/lib/qt5/plugins/phonon4qt5_backend/phonon_gstreamer.so
#13 0x00007fe20236b4c0 in g_cclosure_marshal_VOID__BOXEDv () from
/nix/store/9cm8xk4s4lq0cmkxmg1hbiw4z6mf5gsv-glib-2.42.1/lib/libgobject-2.0.so.0
#14 0x00007fe2023688f7 in _g_closure_invoke_va () from
/nix/store/9cm8xk4s4lq0cmkxmg1hbiw4z6mf5gsv-glib-2.42.1/lib/libgobject-2.0.so.0
#15 0x00007fe202380a4d in g_signal_emit_valist () from
/nix/store/9cm8xk4s4lq0cmkxmg1hbiw4z6mf5gsv-glib-2.42.1/lib/libgobject-2.0.so.0
#16 0x00007fe2023816d2 in g_signal_emit () from
/nix/store/9cm8xk4s4lq0cmkxmg1hbiw4z6mf5gsv-glib-2.42.1/lib/libgobject-2.0.so.0
#17 0x00007fe202ef9aea in gst_bus_sync_signal_handler () from
/nix/store/b9gni6s1m3lwpbxybn2847r2wvb95nk6-gstreamer-1.4.5/lib/libgstreamer-1.0.so.0
#18 0x00007fe202ef9d63 in gst_bus_post () from
/nix/store/b9gni6s1m3lwpbxybn2847r2wvb95nk6-gstreamer-1.4.5/lib/libgstreamer-1.0.so.0
#19 0x00007fe202f0b448 in gst_element_post_message_default () from
/nix/store/b9gni6s1m3lwpbxybn2847r2wvb95nk6-gstreamer-1.4.5/lib/libgstreamer-1.0.so.0
#20 0x00007fe202eee84f in gst_bin_post_message () from
/nix/store/b9gni6s1m3lwpbxybn2847r2wvb95nk6-gstreamer-1.4.5/lib/libgstreamer-1.0.so.0
#21 0x00007fe202f0f5e4 in gst_element_continue_state () from
/nix/store/b9gni6s1m3lwpbxybn2847r2wvb95nk6-gstreamer-1.4.5/lib/libgstreamer-1.0.so.0
#22 0x00007fe202f0ef2a in gst_element_change_state () from
/nix/store/b9gni6s1m3lwpbxybn2847r2wvb95nk6-gstreamer-1.4.5/lib/libgstreamer-1.0.so.0
#23 0x00007fe202f0f40c in gst_element_set_state_func () from
/nix/store/b9gni6s1m3lwpbxybn2847r2wvb95nk6-gstreamer-1.4.5/lib/libgstreamer-1.0.so.0
#24 0x00007fe203203a74 in Phonon::Gstreamer::Pipeline::setState(GstState) ()
from
/nix/store/z6fy5fn1g0xzrr0zhqz7v1y079a9n720-phonon-backend-gstreamer-4.8.2/lib/qt5/plugins/phonon4qt5_backend/phonon_gstreamer.so
#25 0x00007fe2031f8661 in
Phonon::Gstreamer::MediaObject::requestState(Phonon::State) () from
/nix/store/z6fy5fn1g0xzrr0zhqz7v1y079a9n720-phonon-backend-gstreamer-4.8.2/lib/qt5/plugins/phonon4qt5_backend/phonon_gstreamer.so
#26 0x00007fe2031f87a5 in Phonon::Gstreamer::MediaObject::play() () from
/nix/store/z6fy5fn1g0xzrr0zhqz7v1y079a9n720-phonon-backend-gstreamer-4.8.2/lib/qt5/plugins/phonon4qt5_backend/phonon_gstreamer.so
#27 0x00007fe2190688bb in NotifyByAudio::notify(KNotification*, KNotifyConfig*)
() from
/nix/store/rpxxp0ign8bqbkxfdz1b0b4m1gg7s75n-knotifications-5.6.0/lib/libKF5Notifications.so.5
#28 0x00007fe2190468eb in KNotificationManager::notify(KNotification*) () from
/nix/store/rpxxp0ign8bqbkxfdz1b0b4m1gg7s75n-knotifications-5.6.0/lib/libKF5Notifications.so.5
#29 0x00007fe219043cf8 in KNotification::sendEvent() () from
/nix/store/rpxxp0ign8bqbkxfdz1b0b4m1gg7s75n-knotifications-5.6.0/lib/libKF5Notifications.so.5
#30 0x00007fe22bb8b086 in QObject::event(QEvent*) () from
/nix/store/5k4r5aqrbx4xkxsr7afz1rpmczxdyjka-qt-5.3.2/lib/libQt5Core.so.5
#31 0x00007fe22cf6e9cc in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from
/nix/store/5k4r5aqrbx4xkxsr7afz1rpmczxdyjka-qt-5.3.2/lib/libQt5Widgets.so.5
#32 0x00007fe22cf73906 in QApplication::notify(QObject*, QEvent*) () from
/nix/store/5k4r5aqrbx4xkxsr7afz1rpmczxdyjka-qt-5.3.2/lib/libQt5Widgets.so.5
#33 0x00007fe22bb5b205 in QCoreApplication::notifyInternal(QObject*, QEvent*)
() from
/nix/store/5k4r5aqrbx4xkxsr7afz1rpmczxdyjka-qt-5.3.2/lib/libQt5Core.so.5
#34 0x00007fe22bb5d057 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from
/nix/store/5k4r5aqrbx4xkxsr7afz1rpmczxdyjka-qt-5.3.2/lib/libQt5Core.so.5
#35 0x00007fe22bbb28a3 in ?? () from
/nix/store/5k4r5aqrbx4xkxsr7afz1rpmczxdyjka-qt-5.3.2/lib/libQt5Core.so.5
#36 0x00007fe225289334 in g_main_context_dispatch () from
/nix/store/9cm8xk4s4lq0cmkxmg1hbiw4z6mf5gsv-glib-2.42.1/lib/libglib-2.0.so.0
#37 0x00007fe225289578 in g_main_context_iterate.isra () from
/nix/store/9cm8xk4s4lq0cmkxmg1hbiw4z6mf5gsv-glib-2.42.1/lib/libglib-2.0.so.0
#38 0x00007fe22528961c in g_main_context_iteration () from
/nix/store/9cm8xk4s4lq0cmkxmg1hbiw4z6mf5gsv-glib-2.42.1/lib/libglib-2.0.so.0
#39 0x00007fe22bbb1d1c in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /nix/store/5k4r5aqrbx4xkxsr7afz1rpmczxdyjka-qt-5.3.2/lib/libQt5Core.so.5
#40 0x00007fe22bb5910b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/nix/store/5k4r5aqrbx4xkxsr7afz1rpmczxdyjka-qt-5.3.2/lib/libQt5Core.so.5
#41 0x00007fe22d1399ed in QDialog::exec() () from
/nix/store/5k4r5aqrbx4xkxsr7afz1rpmczxdyjka-qt-5.3.2/lib/libQt5Widgets.so.5
#42 0x00007fe22d6f3cb6 in KMessageBox::createKMessageBox(QDialog*,
QDialogButtonBox*, QIcon const&, QString const&, QStringList const&, QString
const&, bool*, QFlags<KMessageBox::Option>, QString const&, QMessageBox::Icon)
() from
/nix/store/k0jimg1gfc211idr29hjr5jkl9vwgrxf-kwidgetsaddons-5.6.0/lib/libKF5WidgetsAddons.so.5
#43 0x00007fe22d6f4594 in KMessageBox::createKMessageBox(QDialog*,
QDialogButtonBox*, QMessageBox::Icon, QString const&, QStringList const&,
QString const&, bool*, QFlags<KMessageBox::Option>, QString const&) () from
/nix/store/k0jimg1gfc211idr29hjr5jkl9vwgrxf-kwidgetsaddons-5.6.0/lib/libKF5WidgetsAddons.so.5
#44 0x00007fe22d6fac8d in KMessageBox::informationList(QWidget*, QString
const&, QStringList const&, QString const&, QString const&,
QFlags<KMessageBox::Option>) () from
/nix/store/k0jimg1gfc211idr29hjr5jkl9vwgrxf-kwidgetsaddons-5.6.0/lib/libKF5WidgetsAddons.so.5
#45 0x00007fe22d6fae08 in KMessageBox::information(QWidget*, QString const&,
QString const&, QString const&, QFlags<KMessageBox::Option>) () from
/nix/store/k0jimg1gfc211idr29hjr5jkl9vwgrxf-kwidgetsaddons-5.6.0/lib/libKF5WidgetsAddons.so.5
#46 0x00007fe2049a1480 in KFonts::save() () from
/nix/store/7bjh1xl03q1iwsp8qis1vxpg94lhglf2-system-path/lib/qt5/plugins/kcm_fonts.so
#47 0x00007fe23018b9f7 in KCModuleProxy::save() () from
/nix/store/7a6v6cm02b22bhh1lhk8rbpgwzpxfmvv-kcmutils-5.6.0/lib/libKF5KCMUtils.so.5
#48 0x00007fe230603cc3 in ModuleView::moduleSave(KCModuleProxy*) () from
/nix/store/cpy1zxji6s7m8ccvq3d4lvz0hdycwkcv-systemsettings-5.2.0/lib/libsystemsettingsview.so.3
#49 0x00007fe2306085a2 in ModuleView::qt_static_metacall(QObject*,
QMetaObject::Call, int, void**) () from
/nix/store/cpy1zxji6s7m8ccvq3d4lvz0hdycwkcv-systemsettings-5.2.0/lib/libsystemsettingsview.so.3
#50 0x00007fe22bb8a3ee in QMetaObject::activate(QObject*, int, int, void**) ()
from /nix/store/5k4r5aqrbx4xkxsr7afz1rpmczxdyjka-qt-5.3.2/lib/libQt5Core.so.5
#51 0x00007fe22d2b64f2 in QAbstractButton::clicked(bool) () from
/nix/store/5k4r5aqrbx4xkxsr7afz1rpmczxdyjka-qt-5.3.2/lib/libQt5Widgets.so.5
#52 0x00007fe22d0473a6 in ?? () from
/nix/store/5k4r5aqrbx4xkxsr7afz1rpmczxdyjka-qt-5.3.2/lib/libQt5Widgets.so.5
#53 0x00007fe22d047ebe in ?? () from
/nix/store/5k4r5aqrbx4xkxsr7afz1rpmczxdyjka-qt-5.3.2/lib/libQt5Widgets.so.5
#54 0x00007fe22d048034 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) ()
from
/nix/store/5k4r5aqrbx4xkxsr7afz1rpmczxdyjka-qt-5.3.2/lib/libQt5Widgets.so.5
#55 0x00007fe22cfa9925 in QWidget::event(QEvent*) () from
/nix/store/5k4r5aqrbx4xkxsr7afz1rpmczxdyjka-qt-5.3.2/lib/libQt5Widgets.so.5
#56 0x00007fe22cf6e9cc in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from
/nix/store/5k4r5aqrbx4xkxsr7afz1rpmczxdyjka-qt-5.3.2/lib/libQt5Widgets.so.5
#57 0x00007fe22cf7443b in QApplication::notify(QObject*, QEvent*) () from
/nix/store/5k4r5aqrbx4xkxsr7afz1rpmczxdyjka-qt-5.3.2/lib/libQt5Widgets.so.5
#58 0x00007fe22bb5b205 in QCoreApplication::notifyInternal(QObject*, QEvent*)
() from
/nix/store/5k4r5aqrbx4xkxsr7afz1rpmczxdyjka-qt-5.3.2/lib/libQt5Core.so.5
#59 0x00007fe22cf727a1 in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from
/nix/store/5k4r5aqrbx4xkxsr7afz1rpmczxdyjka-qt-5.3.2/lib/libQt5Widgets.so.5
#60 0x00007fe22cfc71d7 in ?? () from
/nix/store/5k4r5aqrbx4xkxsr7afz1rpmczxdyjka-qt-5.3.2/lib/libQt5Widgets.so.5
#61 0x00007fe22cfc949b in ?? () from
/nix/store/5k4r5aqrbx4xkxsr7afz1rpmczxdyjka-qt-5.3.2/lib/libQt5Widgets.so.5
#62 0x00007fe22cf6e9cc in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from
/nix/store/5k4r5aqrbx4xkxsr7afz1rpmczxdyjka-qt-5.3.2/lib/libQt5Widgets.so.5
#63 0x00007fe22cf73906 in QApplication::notify(QObject*, QEvent*) () from
/nix/store/5k4r5aqrbx4xkxsr7afz1rpmczxdyjka-qt-5.3.2/lib/libQt5Widgets.so.5
#64 0x00007fe22bb5b205 in QCoreApplication::notifyInternal(QObject*, QEvent*)
() from
/nix/store/5k4r5aqrbx4xkxsr7afz1rpmczxdyjka-qt-5.3.2/lib/libQt5Core.so.5
#65 0x00007fe22c814ebe in
QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
() from /nix/store/5k4r5aqrbx4xkxsr7afz1rpmczxdyjka-qt-5.3.2/lib/libQt5Gui.so.5
#66 0x00007fe22c8164b5 in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() from /nix/store/5k4r5aqrbx4xkxsr7afz1rpmczxdyjka-qt-5.3.2/lib/libQt5Gui.so.5
#67 0x00007fe22c7fcf48 in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /nix/store/5k4r5aqrbx4xkxsr7afz1rpmczxdyjka-qt-5.3.2/lib/libQt5Gui.so.5
#68 0x00007fe21bbce850 in ?? () from
/nix/store/5k4r5aqrbx4xkxsr7afz1rpmczxdyjka-qt-5.3.2/plugins/platforms/libqxcb.so
#69 0x00007fe225289334 in g_main_context_dispatch () from
/nix/store/9cm8xk4s4lq0cmkxmg1hbiw4z6mf5gsv-glib-2.42.1/lib/libglib-2.0.so.0
#70 0x00007fe225289578 in g_main_context_iterate.isra () from
/nix/store/9cm8xk4s4lq0cmkxmg1hbiw4z6mf5gsv-glib-2.42.1/lib/libglib-2.0.so.0
#71 0x00007fe22528961c in g_main_context_iteration () from
/nix/store/9cm8xk4s4lq0cmkxmg1hbiw4z6mf5gsv-glib-2.42.1/lib/libglib-2.0.so.0
#72 0x00007fe22bbb1d1c in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /nix/store/5k4r5aqrbx4xkxsr7afz1rpmczxdyjka-qt-5.3.2/lib/libQt5Core.so.5
#73 0x00007fe22bb5910b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/nix/store/5k4r5aqrbx4xkxsr7afz1rpmczxdyjka-qt-5.3.2/lib/libQt5Core.so.5
#74 0x00007fe22bb60756 in QCoreApplication::exec() () from
/nix/store/5k4r5aqrbx4xkxsr7afz1rpmczxdyjka-qt-5.3.2/lib/libQt5Core.so.5
#75 0x000000000040fb80 in main ()

Reported using DrKonqi

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