[kde] [Bug 351275] New: Plasma crash after switching to battery then AC

[Ian Newton]

https://bugs.kde.org/show_bug.cgi?id=351275

            Bug ID: 351275
           Summary: Plasma crash after switching to battery then AC
           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: i.newton at content-org.com

Application: plasma-desktop (4.11.21)
KDE Platform Version: 4.14.10
Qt Version: 4.8.7
Operating System: Linux 4.0.0-sabayon x86_64
Distribution: "Sabayon Linux amd64 15.09"

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

Gentoo/Sabayon on a Lenovo Ideapad laptop with i7 processor the problem occurs
from this sequence:
1) Power is switched to battery
2) Laptop goes through sleep/wake cycle
3) After waking and restoring AC power
4) After a few minutes Plasma crashes leaving applications operatonal

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[KCrash Handler]
#5  0x00007f8bc3627750 in QObject::property(char const*) const () from
/usr/lib64/qt4/libQtCore.so.4
#6  0x00007f8b951434f4 in energyRate (this=<optimized out>) at
/home/ixnewton/Downloads/WattRate/build/upowerdevices.h:61
#7  WattRate::updateWattUsage (this=0x7f8bc6f59e50) at
/home/ixnewton/Downloads/WattRate/wattrate.cpp:125
#8  0x00007f8bc362953f in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) () from /usr/lib64/qt4/libQtCore.so.4
#9  0x00007f8bc362df03 in QObject::event(QEvent*) () from
/usr/lib64/qt4/libQtCore.so.4
#10 0x00007f8bc262587c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib64/qt4/libQtGui.so.4
#11 0x00007f8bc262cc88 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib64/qt4/libQtGui.so.4
#12 0x00007f8bc448036d in KApplication::notify(QObject*, QEvent*) () from
/usr/lib64/libkdeui.so.5
#13 0x00007f8bc361058d in QCoreApplication::notifyInternal(QObject*, QEvent*)
() from /usr/lib64/qt4/libQtCore.so.4
#14 0x00007f8bc364aa0a in ?? () from /usr/lib64/qt4/libQtCore.so.4
#15 0x00007f8bc3646b23 in ?? () from /usr/lib64/qt4/libQtCore.so.4
#16 0x00007f8bbeefd43c in g_main_context_dispatch () from
/usr/lib64/libglib-2.0.so.0
#17 0x00007f8bbeefd748 in ?? () from /usr/lib64/libglib-2.0.so.0
#18 0x00007f8bbeefd851 in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#19 0x00007f8bc36477d4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib64/qt4/libQtCore.so.4
#20 0x00007f8bc26e87bb in ?? () from /usr/lib64/qt4/libQtGui.so.4
#21 0x00007f8bc360ea75 in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/qt4/libQtCore.so.4
#22 0x00007f8bc360eef5 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/qt4/libQtCore.so.4
#23 0x00007f8bc361581a in QCoreApplication::exec() () from
/usr/lib64/qt4/libQtCore.so.4
#24 0x00007f8bacc4e7fa in kdemain () from
/usr/lib64/libkdeinit4_plasma-desktop.so
#25 0x00007f8bc4b34e89 in _start ()

Reported using DrKonqi

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