[kde] [Bug 349681] New: Settings crash after USB keyboard and mice hot plugged

Barry Scott barry at barrys-emacs.org
Sun Jun 28 11:56:39 BST 2015


https://bugs.kde.org/show_bug.cgi?id=349681

            Bug ID: 349681
           Summary: Settings crash after USB keyboard and mice hot plugged
           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: barry at barrys-emacs.org

Application: systemsettings5 (5.3.1)

Qt Version: 5.4.2
Operating System: Linux 4.0.5-300.fc22.x86_64 x86_64
Distribution (Platform): Fedora RPMs

-- Information about the crash:
I have replaced the apple keyboard with a microsoft curve 3000.
At the same time I connected the Dell monitors USB hub into the PC and the
keyboard and mouse into the monitors hub.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7faa96271880 (LWP 12817))]

Thread 3 (Thread 0x7faa79291700 (LWP 12818)):
#0  0x00007faa9057c66d in poll () from /lib64/libc.so.6
#1  0x00007faa8d4eb182 in _xcb_conn_wait () from /lib64/libxcb.so.1
#2  0x00007faa8d4ecd07 in xcb_wait_for_event () from /lib64/libxcb.so.1
#3  0x00007faa7ca189b9 in QXcbEventReader::run() () from
/usr/lib64/qt5/plugins/platforms/libqxcb.so
#4  0x00007faa91186e3e in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#5  0x00007faa8cca8555 in start_thread () from /lib64/libpthread.so.0
#6  0x00007faa90587f3d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7faa693e0700 (LWP 12885)):
#0  0x00007faa9057c66d in poll () from /lib64/libc.so.6
#1  0x00007faa6b59358c in linux_udev_event_thread_main () from
/lib64/libusb-1.0.so.0
#2  0x00007faa8cca8555 in start_thread () from /lib64/libpthread.so.0
#3  0x00007faa90587f3d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7faa96271880 (LWP 12817)):
[KCrash Handler]
#5  0x00007faa8d4ecb5c in xcb_wait_for_reply () from /lib64/libxcb.so.1
#6  0x00007faa6b14fa5c in XcbAtom::atom() () from
/usr/lib64/qt5/plugins/kded_touchpad.so
#7  0x00007faa6b150a8d in XlibBackend::findTouchpad(XcbAtom&) () from
/usr/lib64/qt5/plugins/kded_touchpad.so
#8  0x00007faa6b150ef1 in XlibBackend::devicePlugged(int) () from
/usr/lib64/qt5/plugins/kded_touchpad.so
#9  0x00007faa9139707a in QMetaObject::activate(QObject*, int, int, void**) ()
from /lib64/libQt5Core.so.5
#10 0x00007faa6b15bd64 in XlibNotifications::processEvent(_XEvent*) [clone
.part.0] [clone .constprop.2] () from /usr/lib64/qt5/plugins/kded_touchpad.so
#11 0x00007faa6b15bebd in XlibNotifications::qt_static_metacall(QObject*,
QMetaObject::Call, int, void**) () from /usr/lib64/qt5/plugins/kded_touchpad.so
#12 0x00007faa9139707a in QMetaObject::activate(QObject*, int, int, void**) ()
from /lib64/libQt5Core.so.5
#13 0x00007faa9141030e in QSocketNotifier::activated(int,
QSocketNotifier::QPrivateSignal) () from /lib64/libQt5Core.so.5
#14 0x00007faa913a366b in QSocketNotifier::event(QEvent*) () from
/lib64/libQt5Core.so.5
#15 0x00007faa92e5c7ec in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib64/libQt5Widgets.so.5
#16 0x00007faa92e61e90 in QApplication::notify(QObject*, QEvent*) () from
/lib64/libQt5Widgets.so.5
#17 0x00007faa9136667b in QCoreApplication::notifyInternal(QObject*, QEvent*)
() from /lib64/libQt5Core.so.5
#18 0x00007faa913be03d in socketNotifierSourceDispatch(_GSource*, int
(*)(void*), void*) () from /lib64/libQt5Core.so.5
#19 0x00007faa8bef1a8a in g_main_context_dispatch () from
/lib64/libglib-2.0.so.0
#20 0x00007faa8bef1e20 in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#21 0x00007faa8bef1ecc in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#22 0x00007faa913bdb8b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#23 0x00007faa91363eba in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#24 0x00007faa9136ba2c in QCoreApplication::exec() () from
/lib64/libQt5Core.so.5
#25 0x000000000040eb2c in main ()

Reported using DrKonqi

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