[Akonadi] [Bug 411378] New: dav (nextcloud) resource crashed on restart

[Martin Koller]

https://bugs.kde.org/show_bug.cgi?id=411378

            Bug ID: 411378
           Summary: dav (nextcloud) resource crashed on restart
           Product: Akonadi
           Version: unspecified
          Platform: openSUSE RPMs
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: DAV Resource
          Assignee: kdepim-bugs at kde.org
          Reporter: kollix at aon.at
  Target Milestone: ---

Application: akonadi_davgroupware_resource (5.12.0)

Qt Version: 5.13.0
Frameworks Version: 5.61.0
Operating System: Linux 4.12.14-lp150.12.70-default x86_64
Distribution: "openSUSE Leap 15.0"

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

The dav groupware resource (for a nextcloud server) showed "could not connect
to host" ... status,
so I decided to do a restart (from akonadiconsole), which led to the crash

-- Backtrace:
Application: Nextcloud (akonadi_davgroupware_resource), signal: Segmentation
fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f5a918eef40 (LWP 17821))]

Thread 4 (Thread 0x7f5a677fe700 (LWP 17848)):
#0  0x00007f5a8c46c1db in poll () from /lib64/libc.so.6
#1  0x00007f5a85895229 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f5a8589533c in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007f5a8cfd251b in QEventDispatcherGlib::processEvents
(this=0x7f5a58000b10, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f5a8cf72baa in QEventLoop::exec (this=this at entry=0x7f5a677fdcb0,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:225
#5  0x00007f5a8cd8edba in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:531
#6  0x00007f5a8cd90562 in QThreadPrivate::start (arg=0x559cb2ba3c20) at
thread/qthread_unix.cpp:360
#7  0x00007f5a88029569 in start_thread () from /lib64/libpthread.so.0
#8  0x00007f5a8c476a2f in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f5a67fff700 (LWP 17843)):
#0  0x00007f5a858db059 in g_mutex_lock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007f5a85895328 in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#2  0x00007f5a8cfd251b in QEventDispatcherGlib::processEvents
(this=0x7f5a60000b10, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#3  0x00007f5a8cf72baa in QEventLoop::exec (this=this at entry=0x7f5a67ffecb0,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:225
#4  0x00007f5a8cd8edba in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:531
#5  0x00007f5a8cd90562 in QThreadPrivate::start (arg=0x559cb2b0f7a0) at
thread/qthread_unix.cpp:360
#6  0x00007f5a88029569 in start_thread () from /lib64/libpthread.so.0
#7  0x00007f5a8c476a2f in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f5a6cf22700 (LWP 17839)):
#0  0x00007f5a8c46c1db in poll () from /lib64/libc.so.6
#1  0x00007f5a85895229 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f5a8589533c in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007f5a8cfd251b in QEventDispatcherGlib::processEvents
(this=0x7f5a68000b10, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f5a8cf72baa in QEventLoop::exec (this=this at entry=0x7f5a6cf21c80,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:225
#5  0x00007f5a8cd8edba in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:531
#6  0x00007f5a8e373e35 in ?? () from /usr/lib64/libQt5DBus.so.5
#7  0x00007f5a8cd90562 in QThreadPrivate::start (arg=0x7f5a8e5ebd80) at
thread/qthread_unix.cpp:360
#8  0x00007f5a88029569 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f5a8c476a2f in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f5a918eef40 (LWP 17821)):
[KCrash Handler]
#6  QScopedPointer<QObjectData, QScopedPointerDeleter<QObjectData>
>::operator-> (this=<optimized out>) at
../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:118
#7  qGetPtrHelper<QScopedPointer<QObjectData,
QScopedPointerDeleter<QObjectData> > > (ptr=...) at
../../include/QtCore/../../src/corelib/global/qglobal.h:1055
#8  QSettings::d_func (this=<optimized out>) at io/qsettings.h:72
#9  QSettings::setValue (this=this at entry=0x0, key=..., value=...) at
io/qsettings.cpp:3276
#10 0x00007f5a9122837d in Akonadi::AgentBase::setOnline (this=0x7ffd22220f40,
state=false) at
/usr/src/debug/akonadi-server-19.08.0-lp150.198.1.x86_64/src/agentbase/agentbase.cpp:1031
#11 0x00007f5a9125115c in Akonadi__StatusAdaptor::setOnline (state=<optimized
out>, this=0x559cb2b3bac0) at
/usr/src/debug/akonadi-server-19.08.0-lp150.198.1.x86_64/build/src/agentbase/statusadaptor.cpp:51
#12 Akonadi__StatusAdaptor::qt_static_metacall (_o=_o at entry=0x559cb2b3bac0,
_c=_c at entry=QMetaObject::InvokeMetaMethod, _id=_id at entry=8,
_a=_a at entry=0x7ffd222206c0) at
/usr/src/debug/akonadi-server-19.08.0-lp150.198.1.x86_64/build/src/agentbase/statusadaptor.moc:154
#13 0x00007f5a912513f5 in Akonadi__StatusAdaptor::qt_metacall
(this=0x559cb2b3bac0, _c=QMetaObject::InvokeMetaMethod, _id=8,
_a=0x7ffd222206c0) at
/usr/src/debug/akonadi-server-19.08.0-lp150.198.1.x86_64/build/src/agentbase/statusadaptor.moc:238
#14 0x00007f5a8e37ee88 in ?? () from /usr/lib64/libQt5DBus.so.5
#15 0x00007f5a8e383dd0 in ?? () from /usr/lib64/libQt5DBus.so.5
#16 0x00007f5a8e38474c in ?? () from /usr/lib64/libQt5DBus.so.5
#17 0x00007f5a8e386f2e in ?? () from /usr/lib64/libQt5DBus.so.5
#18 0x00007f5a8cfa5e42 in QObject::event (this=0x7ffd22220f40, e=<optimized
out>) at kernel/qobject.cpp:1260
#19 0x00007f5a8eff301c in QApplicationPrivate::notify_helper
(this=this at entry=0x559cb294a9b0, receiver=receiver at entry=0x7ffd22220f40,
e=e at entry=0x7f5a680204a0) at kernel/qapplication.cpp:3740
#20 0x00007f5a8effa590 in QApplication::notify (this=0x7ffd22220f30,
receiver=0x7ffd22220f40, e=0x7f5a680204a0) at kernel/qapplication.cpp:3486
#21 0x00007f5a8cf74988 in QCoreApplication::notifyInternal2
(receiver=0x7ffd22220f40, event=0x7f5a680204a0) at
kernel/qcoreapplication.cpp:1065
#22 0x00007f5a8cf74b5e in QCoreApplication::sendEvent (receiver=<optimized
out>, event=event at entry=0x7f5a680204a0) at kernel/qcoreapplication.cpp:1460
#23 0x00007f5a8cf772a7 in QCoreApplicationPrivate::sendPostedEvents
(receiver=receiver at entry=0x0, event_type=event_type at entry=0,
data=0x559cb292a890) at kernel/qcoreapplication.cpp:1810
#24 0x00007f5a8cf77838 in QCoreApplication::sendPostedEvents
(receiver=receiver at entry=0x0, event_type=event_type at entry=0) at
kernel/qcoreapplication.cpp:1664
#25 0x00007f5a8cfd2ee3 in postEventSourceDispatch (s=0x559cb29bcb30) at
kernel/qeventdispatcher_glib.cpp:277
#26 0x00007f5a85894f07 in g_main_context_dispatch () from
/usr/lib64/libglib-2.0.so.0
#27 0x00007f5a858952b0 in ?? () from /usr/lib64/libglib-2.0.so.0
#28 0x00007f5a8589533c in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#29 0x00007f5a8cfd24ff in QEventDispatcherGlib::processEvents
(this=0x559cb29c5ce0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#30 0x00007f5a8cf72baa in QEventLoop::exec (this=this at entry=0x7ffd22220e80,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:225
#31 0x00007f5a8cf7be60 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1373
#32 0x00007f5a8d791b5c in QGuiApplication::exec () at
kernel/qguiapplication.cpp:1788
#33 0x00007f5a8eff2f75 in QApplication::exec () at kernel/qapplication.cpp:2896
#34 0x00007f5a9123797d in Akonadi::ResourceBase::init (r=...) at
/usr/src/debug/akonadi-server-19.08.0-lp150.198.1.x86_64/src/agentbase/resourcebase.cpp:611
#35 0x0000559cb1d3ace1 in Akonadi::ResourceBase::init<DavGroupwareResource>
(argc=<optimized out>, argv=<optimized out>) at
/usr/include/KF5/AkonadiAgentBase/resourcebase.h:199
#36 0x00007f5a8c39ef8a in __libc_start_main () from /lib64/libc.so.6
#37 0x0000559cb1cfbe5a in _start () at ../sysdeps/x86_64/start.S:120
[Inferior 1 (process 17821) detached]

Possible duplicates by query: bug 411089.

Reported using DrKonqi

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