[kdelibs] [Bug 348107] New: Kded crashes when waking up from in-memory sleep

[Jiri Horky]

https://bugs.kde.org/show_bug.cgi?id=348107

            Bug ID: 348107
           Summary: Kded crashes when waking up from in-memory sleep
           Product: kdelibs
           Version: unspecified
          Platform: Compiled Sources
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: kded
          Assignee: unassigned-bugs at kde.org
          Reporter: jiri.horky at gmail.com

Application: kded4 (4.14.3)
KDE Platform Version: 4.14.3 (Compiled from sources)
Qt Version: 4.8.5
Operating System: Linux 3.14.14-gentoo x86_64
Distribution: "NAME=Gentoo"

-- Information about the crash:
The computer was not connected to power source when I put it to sleep using
"echo mem > /sys/power/state" command. Before I started it again, I connected
it to power source. Then I pushed power on button and the kded crash appeared.

The crash can be reproduced sometimes.

-- Backtrace:
Application: KDE Daemon (kded4), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f00c32907c0 (LWP 3180))]

Thread 3 (Thread 0x7f009e7fc700 (LWP 3208)):
#0  0x00007f00c0814b7d in poll () from /lib64/libc.so.6
#1  0x00007f00bd91d914 in g_main_context_iterate.isra () from
/usr/lib64/libglib-2.0.so.0
#2  0x00007f00bd91da1c in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007f00c1f0021e in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib64/qt4/libQtCore.so.4
#4  0x00007f00c1ece02f in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/qt4/libQtCore.so.4
#5  0x00007f00c1ece2d5 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/qt4/libQtCore.so.4
#6  0x00007f00c1dbed9d in QThread::exec() () from /usr/lib64/qt4/libQtCore.so.4
#7  0x00007f00c1eada88 in QInotifyFileSystemWatcherEngine::run() () from
/usr/lib64/qt4/libQtCore.so.4
#8  0x00007f00c1dc1365 in QThreadPrivate::start(void*) () from
/usr/lib64/qt4/libQtCore.so.4
#9  0x00007f00c1b3223a in start_thread () from /lib64/libpthread.so.0
#10 0x00007f00c081d7cd in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f009d852700 (LWP 3262)):
#0  0x00007f00c1b38f9d in read () from /lib64/libpthread.so.0
#1  0x00007f00bd95e380 in g_wakeup_acknowledge () from
/usr/lib64/libglib-2.0.so.0
#2  0x00007f00bd91d484 in g_main_context_check () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007f00bd91d8ab in g_main_context_iterate.isra () from
/usr/lib64/libglib-2.0.so.0
#4  0x00007f00bd91dc3a in g_main_loop_run () from /usr/lib64/libglib-2.0.so.0
#5  0x00007f009d92a8a6 in gdbus_shared_thread_func () from
/usr/lib64/libgio-2.0.so.0
#6  0x00007f00bd942835 in g_thread_proxy () from /usr/lib64/libglib-2.0.so.0
#7  0x00007f00c1b3223a in start_thread () from /lib64/libpthread.so.0
#8  0x00007f00c081d7cd in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f00c32907c0 (LWP 3180)):
[KCrash Handler]
#5  0x00007f00b79e5b58 in Solid::Backends::UPower::Battery::slotChanged() ()
from /usr/lib64/libsolid.so.4
#6  0x00007f00c1ee57f8 in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) () from /usr/lib64/qt4/libQtCore.so.4
#7  0x00007f00b79e39de in
Solid::Backends::UPower::UPowerDevice::onPropertiesChanged(QString const&,
QMap<QString, QVariant> const&, QStringList const&) () from
/usr/lib64/libsolid.so.4
#8  0x00007f00b798ddb3 in
Solid::Backends::UPower::UPowerDevice::qt_metacall(QMetaObject::Call, int,
void**) () from /usr/lib64/libsolid.so.4
#9  0x00007f00beb93050 in QDBusConnectionPrivate::deliverCall(QObject*, int,
QDBusMessage const&, QList<int> const&, int) () from
/usr/lib64/qt4/libQtDBus.so.4
#10 0x00007f00c1eea3be in QObject::event(QEvent*) () from
/usr/lib64/qt4/libQtCore.so.4
#11 0x00007f00c0f9b6a1 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib64/qt4/libQtGui.so.4
#12 0x00007f00c0fa26bd in QApplication::notify(QObject*, QEvent*) () from
/usr/lib64/qt4/libQtGui.so.4
#13 0x00007f00c2c8f35a in KApplication::notify(QObject*, QEvent*) () from
/usr/lib64/libkdeui.so.5
#14 0x00007f00c1ecfc3d in QCoreApplication::notifyInternal(QObject*, QEvent*)
() from /usr/lib64/qt4/libQtCore.so.4
#15 0x00007f00c1ed31d1 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /usr/lib64/qt4/libQtCore.so.4
#16 0x00007f00c1f00b2e in postEventSourceDispatch(_GSource*, int (*)(void*),
void*) () from /usr/lib64/qt4/libQtCore.so.4
#17 0x00007f00bd91d65a in g_main_context_dispatch () from
/usr/lib64/libglib-2.0.so.0
#18 0x00007f00bd91d978 in g_main_context_iterate.isra () from
/usr/lib64/libglib-2.0.so.0
#19 0x00007f00bd91da1c in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#20 0x00007f00c1f001fe in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib64/qt4/libQtCore.so.4
#21 0x00007f00c1046776 in
QGuiEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /usr/lib64/qt4/libQtGui.so.4
#22 0x00007f00c1ece02f in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/qt4/libQtCore.so.4
#23 0x00007f00c1ece2d5 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/qt4/libQtCore.so.4
#24 0x00007f00c1ed42e9 in QCoreApplication::exec() () from
/usr/lib64/qt4/libQtCore.so.4
#25 0x00007f00ae646d0b in kdemain () from /usr/lib64/libkdeinit4_kded4.so
#26 0x00000000004080d5 in launch(int, char const*, char const*, char const*,
int, char const*, bool, char const*, bool, char const*) ()
#27 0x0000000000405934 in main ()

Reported using DrKonqi

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