Bug 371566

Application: org_kde_powerdevil ()

Qt Version: 5.7.0
Frameworks Version: 5.27.0
Operating System: Linux 4.8.4-1-ARCH x86_64
Distribution (Platform): Archlinux Packages

-- Information about the crash:
- What I was doing when the application crashed:  Sometimes when resuming from standby, org_kde_powerdevil crashes, causing power management settings to become unavailable.  

Relevent journal output from resume:

Oct 24 06:34:35 jmr-msi-arch org_kde_powerdevil[7016]: powerdevil:
Oct 24 06:34:35 jmr-msi-arch org_kde_powerdevil[7016]: powerdevil: Can't contact ck
Oct 24 06:34:35 jmr-msi-arch org_kde_powerdevil[7016]: powerdevil: We are now into activity  "96fbeb08-0f65-482e-9cfb-40b4e7e249c5"
Oct 24 06:34:35 jmr-msi-arch org_kde_powerdevil[7016]: powerdevil: () ()
Oct 24 06:34:35 jmr-msi-arch org_kde_powerdevil[7016]: powerdevil: () ()
Oct 24 06:34:35 jmr-msi-arch org_kde_powerdevil[7016]: powerdevil: Loading profile for unplugged AC
Oct 24 06:34:35 jmr-msi-arch org_kde_powerdevil[7016]: powerdevil: Activity is not forcing a profile
Oct 24 06:34:35 jmr-msi-arch org_kde_powerdevil[7016]: powerdevil:
Oct 24 06:34:35 jmr-msi-arch org_kde_powerdevil[7016]: powerdevil: Loading timeouts with  120000
Oct 24 06:34:36 jmr-msi-arch org_kde_powerdevil[10750]: "Message recipient disconnected from message bus without replying"
Oct 24 06:34:36 jmr-msi-arch drkonqi[10751]: Executable is: "/usr/lib/libexec/org_kde_powerdevil"
Oct 24 07:05:06 jmr-msi-arch systemsettings5[13949]: powerdevil: ("Battery", "LowBattery", "AC") ()
Oct 24 07:05:06 jmr-msi-arch systemsettings5[13949]: powerdevil: "Wireless power saving"  has a runtime requirement
Oct 24 07:05:06 jmr-msi-arch systemsettings5[13949]: powerdevil: There was a problem in contacting DBus!! Assuming the action is ok.

The crash can be reproduced sometimes.

-- Backtrace:
Application: org_kde_powerdevil (org_kde_powerdevil), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f034b665840 (LWP 7016))]

Thread 3 (Thread 0x7f033615f700 (LWP 7019)):
#0  0x00007f03495944ed in read () at /usr/lib/libc.so.6
#1  0x00007f0343defa10 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f0343dab235 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0x00007f0343dab724 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f0343dab89c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0x00007f0349eba72b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f0349e6423a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#7  0x00007f0349c870f3 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007f034a2cbe55 in  () at /usr/lib/libQt5DBus.so.5
#9  0x00007f0349c8bd78 in  () at /usr/lib/libQt5Core.so.5
#10 0x00007f0344f5a454 in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007f03495a17df in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f0337191700 (LWP 7018)):
#0  0x00007f034959848d in poll () at /usr/lib/libc.so.6
#1  0x00007f034715e8e0 in  () at /usr/lib/libxcb.so.1
#2  0x00007f0347160679 in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007f0338aa8449 in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007f0349c8bd78 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f0344f5a454 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f03495a17df in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f034b665840 (LWP 7016)):
[KCrash Handler]
#6  0x00007f032e1ecb94 in  () at /usr/lib/libQtGui.so.4
#7  0x00007f034b56b4fa in call_init.part () at /lib64/ld-linux-x86-64.so.2
#8  0x00007f034b56b60b in _dl_init () at /lib64/ld-linux-x86-64.so.2
#9  0x00007f034b56fb38 in dl_open_worker () at /lib64/ld-linux-x86-64.so.2
#10 0x00007f034b56b3a4 in _dl_catch_error () at /lib64/ld-linux-x86-64.so.2
#11 0x00007f034b56f2d9 in _dl_open () at /lib64/ld-linux-x86-64.so.2
#12 0x00007f0344074ee9 in  () at /usr/lib/libdl.so.2
#13 0x00007f034b56b3a4 in _dl_catch_error () at /lib64/ld-linux-x86-64.so.2
#14 0x00007f0344075521 in  () at /usr/lib/libdl.so.2
#15 0x00007f0344074f82 in dlopen () at /usr/lib/libdl.so.2
#16 0x00007f032f73fbb0 in  () at /usr/lib/libvlccore.so.8
#17 0x00007f032f723ebb in  () at /usr/lib/libvlccore.so.8
#18 0x00007f032f7241e8 in  () at /usr/lib/libvlccore.so.8
#19 0x00007f032f724144 in  () at /usr/lib/libvlccore.so.8
#20 0x00007f032f7246c4 in  () at /usr/lib/libvlccore.so.8
#21 0x00007f032f724cca in  () at /usr/lib/libvlccore.so.8
#22 0x00007f032f6aaeb1 in libvlc_InternalInit () at /usr/lib/libvlccore.so.8
#23 0x00007f032f47bcee in libvlc_new () at /usr/lib/libvlc.so.5
#24 0x00007f032f9dc2c8 in  () at /usr/lib/qt5/plugins/phonon4qt5_backend/phonon_vlc.so
#25 0x00007f032f9b1586 in  () at /usr/lib/qt5/plugins/phonon4qt5_backend/phonon_vlc.so
#26 0x00007f032f9e0195 in qt_plugin_instance () at /usr/lib/qt5/plugins/phonon4qt5_backend/phonon_vlc.so
#27 0x00007f0349e4ecdb in QPluginLoader::instance() () at /usr/lib/libQt5Core.so.5
#28 0x00007f0342e41180 in  () at /usr/lib/libphonon4qt5.so.4
#29 0x00007f0342e43ada in  () at /usr/lib/libphonon4qt5.so.4
#30 0x00007f0342e44179 in  () at /usr/lib/libphonon4qt5.so.4
#31 0x00007f0342e44aa4 in Phonon::Factory::backend(bool) () at /usr/lib/libphonon4qt5.so.4
#32 0x00007f0342e45339 in  () at /usr/lib/libphonon4qt5.so.4
#33 0x00007f0342e39031 in  () at /usr/lib/libphonon4qt5.so.4
#34 0x00007f0347ee27e0 in  () at /usr/lib/libKF5Notifications.so.5
#35 0x00007f0347ec11c0 in  () at /usr/lib/libKF5Notifications.so.5
#36 0x00007f0347ebd490 in KNotification::sendEvent() () at /usr/lib/libKF5Notifications.so.5
#37 0x00007f0349e924b9 in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5
#38 0x00007f0349e65c7a in QCoreApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#39 0x00007f0349e65de0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#40 0x00007f0349e6856d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#41 0x00007f0349eba303 in  () at /usr/lib/libQt5Core.so.5
#42 0x00007f0343dab587 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#43 0x00007f0343dab7f0 in  () at /usr/lib/libglib-2.0.so.0
#44 0x00007f0343dab89c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#45 0x00007f0349eba70f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#46 0x00007f0349e6423a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#47 0x00007f0349e6c73c in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#48 0x0000000000404dbd in  ()
#49 0x00007f03494d9291 in __libc_start_main () at /usr/lib/libc.so.6
#50 0x0000000000404e2a in _start ()

Reported using DrKonqi