[systemsettings] [Bug 340378] New: systemsettings crashed when trying to reopen software updater

[Christopher Ure]

https://bugs.kde.org/show_bug.cgi?id=340378

            Bug ID: 340378
           Summary: systemsettings crashed when trying to reopen software
                    updater
           Product: systemsettings
           Version: unspecified
          Platform: Debian testing
                OS: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: cure1245 at gmail.com

Application: systemsettings (4.11.12)
KDE Platform Version: 4.14.1
Qt Version: 4.8.6
Operating System: Linux 3.16-2-amd64 x86_64
Distribution: Debian GNU/Linux testing (jessie)

-- Information about the crash:
- What I was doing when the application crashed:

I selected the software managment applet, ran an upgrade check, started the
upgrade process, closed out of systemsettings completely, reopened
systemsettings>"Software Managment">Updates. After loading for quite some time,
systemsettings crashed.

My guess is that apt was still running in the background and the updater didn't
know how to handle that.

-- Backtrace:
Application: System Settings (systemsettings), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[KCrash Handler]
#6  0x00007f12795b4c9d in isSignalConnected (signal_index=3,
this=0x7f1200000006) at kernel/qobject_p.h:237
#7  QMetaObject::activate (sender=sender at entry=0x28fb320,
m=m at entry=0x7f127b84f680 <KCModuleProxy::staticMetaObject>,
local_signal_index=local_signal_index at entry=0, argv=argv at entry=0x7fff809bdc50)
at kernel/qobject.cpp:3472
#8  0x00007f127b630f0f in KCModuleProxy::changed (this=this at entry=0x28fb320,
_t1=false) at ./kcmoduleproxy.moc:120
#9  0x00007f127b630fa5 in KCModuleProxyPrivate::_k_moduleChanged
(this=<optimized out>, c=<optimized out>) at ../../kutils/kcmoduleproxy.cpp:234
#10 0x00007f127b407c03 in ModuleView::moduleSave(KCModuleProxy*) () from
/usr/lib/libsystemsettingsview.so.2
#11 0x00007f127b40967a in ?? () from /usr/lib/libsystemsettingsview.so.2
#12 0x00007f12795b4f4c in QMetaObject::activate (sender=sender at entry=0x26f9710,
m=m at entry=0x7f127ad4cb60 <QAbstractButton::staticMetaObject>,
local_signal_index=local_signal_index at entry=2, argv=argv at entry=0x7fff809bddf0)
at kernel/qobject.cpp:3567
#13 0x00007f127a8cbbd2 in QAbstractButton::clicked (this=this at entry=0x26f9710,
_t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:219
#14 0x00007f127a60c073 in QAbstractButtonPrivate::emitClicked
(this=this at entry=0x2712370) at widgets/qabstractbutton.cpp:548
#15 0x00007f127a60d424 in QAbstractButtonPrivate::click
(this=this at entry=0x2712370) at widgets/qabstractbutton.cpp:541
#16 0x00007f127a60d534 in QAbstractButton::mouseReleaseEvent (this=0x26f9710,
e=0x7fff809be350) at widgets/qabstractbutton.cpp:1123
#17 0x00007f127a28f4d8 in QWidget::event (this=0x26f9710, event=0x7fff809be350)
at kernel/qwidget.cpp:8775
#18 0x00007f127a23c29c in QApplicationPrivate::notify_helper
(this=this at entry=0x23b97c0, receiver=receiver at entry=0x26f9710,
e=e at entry=0x7fff809be350) at kernel/qapplication.cpp:4570
#19 0x00007f127a242f0f in QApplication::notify (this=this at entry=0x7fff809beb70,
receiver=receiver at entry=0x26f9710, e=e at entry=0x7fff809be350) at
kernel/qapplication.cpp:4113
#20 0x00007f127afb113a in KApplication::notify (this=0x7fff809beb70,
receiver=0x26f9710, event=0x7fff809be350) at
../../kdeui/kernel/kapplication.cpp:311
#21 0x00007f127959ff8d in QCoreApplication::notifyInternal
(this=0x7fff809beb70, receiver=receiver at entry=0x26f9710,
event=event at entry=0x7fff809be350) at kernel/qcoreapplication.cpp:955
#22 0x00007f127a24256f in sendEvent (event=<optimized out>, receiver=<optimized
out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#23 QApplicationPrivate::sendMouseEvent (receiver=receiver at entry=0x26f9710,
event=event at entry=0x7fff809be350, alienWidget=alienWidget at entry=0x26f9710,
nativeWidget=nativeWidget at entry=0x24fcc80,
buttonDown=buttonDown at entry=0x7f127ad5e538 <qt_button_down>,
lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3178
#24 0x00007f127a2b90a2 in QETWidget::translateMouseEvent
(this=this at entry=0x24fcc80, event=event at entry=0x7fff809be6b0) at
kernel/qapplication_x11.cpp:4540
#25 0x00007f127a2b7a9c in QApplication::x11ProcessEvent (this=0x7fff809beb70,
event=event at entry=0x7fff809be6b0) at kernel/qapplication_x11.cpp:3663
#26 0x00007f127a2e0ad2 in x11EventSourceDispatch (s=0x23b9b40, callback=0x0,
user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#27 0x00007f1271bb9c5d in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007f1271bb9f48 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007f1271bb9ffc in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007f12795cf4ed in QEventDispatcherGlib::processEvents (this=0x2325b20,
flags=...) at kernel/qeventdispatcher_glib.cpp:425
#31 0x00007f127a2e0b96 in QGuiEventDispatcherGlib::processEvents
(this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#32 0x00007f127959eae1 in QEventLoop::processEvents
(this=this at entry=0x7fff809bea90, flags=...) at kernel/qeventloop.cpp:149
#33 0x00007f127959ee45 in QEventLoop::exec (this=this at entry=0x7fff809bea90,
flags=...) at kernel/qeventloop.cpp:204
#34 0x00007f12795a48b9 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1227
#35 0x000000000040a90f in ?? ()
#36 0x00007f1278d88b45 in __libc_start_main (main=0x40a5c0, argc=5,
argv=0x7fff809becb8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7fff809beca8) at libc-start.c:287
#37 0x000000000040a976 in _start ()

Possible duplicates by query: bug 338321, bug 338320, bug 309562, bug 299285,
bug 288050.


Reproducible: Didn't try

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