Application: plasmashell (5.4.2)

Qt Version: 5.4.2
Operating System: Linux 4.2.0-18-generic x86_64
Distribution: Ubuntu 15.10

-- Information about the crash:
While Plasma is loading after Login, plasma-desktop crashes.

Duplicate: 336882 (unfortunately, the duplicate selection in the crash reporter does not work)

The crash can be reproduced sometimes.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f0c4bbfc800 (LWP 11861))]

Thread 3 (Thread 0x7f0c35b9b700 (LWP 11891)):
#0  0x00007f0c4639f8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f0c4314c1ec in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0c4314c2fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0c46cc929b in QEventDispatcherGlib::processEvents (this=0x7f0c280008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f0c46c6f75a in QEventLoop::exec (this=this@entry=0x7f0c35b9ada0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f0c46a8d3d4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f0c492b5f85 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f0c46a922be in QThreadPrivate::start (arg=0x1b71e30) at thread/qthread_unix.cpp:337
#8  0x00007f0c45b816aa in start_thread (arg=0x7f0c35b9b700) at pthread_create.c:333
#9  0x00007f0c463aaeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f0c24f30700 (LWP 11916)):
#0  0x00007f0c4636ec4d in nanosleep () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f0c463a1e84 in usleep (useconds=<optimized out>) at ../sysdeps/unix/sysv/linux/usleep.c:32
#2  0x00007f0c2eab3d00 in ?? () from /usr/lib/dri/fglrx_dri.so
#3  0x00007f0c2e1b4332 in ?? () from /usr/lib/dri/fglrx_dri.so
#4  0x00007f0c2e1b4385 in ?? () from /usr/lib/dri/fglrx_dri.so
#5  0x00007f0c45b816aa in start_thread (arg=0x7f0c24f30700) at pthread_create.c:333
#6  0x00007f0c463aaeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f0c4bbfc800 (LWP 11861)):
[KCrash Handler]
#6  0x00007f0c45b8caf0 in _xend () at ../sysdeps/unix/sysv/linux/x86/elision-unlock.c:33
#7  __lll_unlock_elision (lock=0x7f0c1efe7008, private=128) at ../sysdeps/unix/sysv/linux/x86/elision-unlock.c:29
#8  0x00007f0c4847d839 in KSharedDataCache::find(QString const&, QByteArray*) const () from /usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#9  0x00007f0c4a1ab8a0 in KSharedPixmapCacheMixin<KSharedDataCache>::findPixmap (destination=0x7ffe5f7b9f10, key=..., this=0x1f4f290) at /usr/include/KF5/KGuiAddons/kimagecache.h:150
#10 Plasma::Theme::findInCache (this=<optimized out>, key=..., pix=..., lastModified=lastModified@entry=0) at ../../../src/plasma/theme.cpp:310
#11 0x00007f0c4a19af09 in Plasma::FrameSvgPrivate::generateBackground (this=this@entry=0x23352a0, frame=frame@entry=0x1e02060) at ../../../src/plasma/framesvg.cpp:731
#12 0x00007f0c4a19c352 in Plasma::FrameSvgPrivate::alphaMask (this=0x23352a0) at ../../../src/plasma/framesvg.cpp:707
#13 0x00007f0c4a19d365 in Plasma::FrameSvg::mask (this=<optimized out>) at ../../../src/plasma/framesvg.cpp:504
#14 0x00007f0c4b76eb9d in PlasmaQuick::DialogPrivate::updateTheme (this=0x1df54f0) at ../../../src/plasmaquick/dialog.cpp:221
#15 0x00007f0c4b770d81 in PlasmaQuick::Dialog::componentComplete (this=0x1cf03a0) at ../../../src/plasmaquick/dialog.cpp:1186
#16 0x00007f0c492add62 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#17 0x00007f0c4923ac0a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#18 0x00007f0c4923b7b4 in QQmlIncubationController::incubateFor(int) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#19 0x00007f0c49f237ac in KDeclarative::QmlObjectIncubationController::incubate (this=0x1c6ef30) at ../../../src/kdeclarative/private/qmlobject_p.h:63
#20 KDeclarative::QmlObjectIncubationController::incubatingObjectCountChanged (this=0x1c6ef30, count=1) at ../../../src/kdeclarative/private/qmlobject_p.h:79
#21 0x00007f0c4923a5cd in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#22 0x00007f0c4923ad5e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#23 0x00007f0c4923b7b4 in QQmlIncubationController::incubateFor(int) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#24 0x00007f0c49f237ac in KDeclarative::QmlObjectIncubationController::incubate (this=0x1c6ef30) at ../../../src/kdeclarative/private/qmlobject_p.h:63
#25 KDeclarative::QmlObjectIncubationController::incubatingObjectCountChanged (this=0x1c6ef30, count=2) at ../../../src/kdeclarative/private/qmlobject_p.h:79
#26 0x00007f0c4923b5c9 in QQmlEnginePrivate::incubate(QQmlIncubator&, QQmlContextData*) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#27 0x00007f0c49236e0c in QQmlComponent::create(QQmlIncubator&, QQmlContext*, QQmlContext*) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#28 0x00007f0c49d7225a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#29 0x00007f0c49d723f8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#30 0x00007f0c492add62 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#31 0x00007f0c4923ac0a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#32 0x00007f0c4923b678 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#33 0x00007f0c4923b6dc in QQmlIncubator::forceCompletion() () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#34 0x00007f0c49f13858 in KDeclarative::QmlObject::completeInitialization (this=0x1b26920, initialProperties=...) at ../../../src/kdeclarative/qmlobject.cpp:323
#35 0x00007f0c49f138fc in KDeclarative::QmlObjectPrivate::scheduleExecutionEnd (this=0x1bcc770) at ../../../src/kdeclarative/qmlobject.cpp:140
#36 0x00007f0c49f13ac9 in KDeclarative::QmlObjectPrivate::execute (this=0x1bcc770, source=...) at ../../../src/kdeclarative/qmlobject.cpp:133
#37 0x00007f0c49f13ccb in KDeclarative::QmlObject::setSource (this=<optimized out>, source=...) at ../../../src/kdeclarative/qmlobject.cpp:219
#38 0x00000000004646cb in Osd::Osd (this=0x1b6d0f0, corona=<optimized out>) at ../../shell/osd.cpp:42
#39 0x0000000000457970 in ShellCorona::ShellCorona (this=0x1b683f0, parent=<optimized out>) at ../../shell/shellcorona.cpp:193
#40 0x0000000000460bcc in ShellManager::loadHandlers (this=0x1b5d140) at ../../shell/shellmanager.cpp:103
#41 0x00007f0c46ca3651 in QObject::event (this=0x1b5d140, e=<optimized out>) at kernel/qobject.cpp:1245
#42 0x00007f0c4774fb8c in QApplicationPrivate::notify_helper (this=this@entry=0x1a978a0, receiver=receiver@entry=0x1b5d140, e=e@entry=0x1b39f80) at kernel/qapplication.cpp:3720
#43 0x00007f0c47755230 in QApplication::notify (this=0x7ffe5f7bb550, receiver=0x1b5d140, e=0x1b39f80) at kernel/qapplication.cpp:3503
#44 0x00007f0c46c71f1b in QCoreApplication::notifyInternal (this=0x7ffe5f7bb550, receiver=0x1b5d140, event=event@entry=0x1b39f80) at kernel/qcoreapplication.cpp:935
#45 0x00007f0c46c74057 in QCoreApplication::sendEvent (event=0x1b39f80, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:228
#46 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x1a8cf50) at kernel/qcoreapplication.cpp:1552
#47 0x00007f0c46c74588 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1410
#48 0x00007f0c46cc8e73 in postEventSourceDispatch (s=0x1ad73f0) at kernel/qeventdispatcher_glib.cpp:271
#49 0x00007f0c4314bff7 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#50 0x00007f0c4314c250 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#51 0x00007f0c4314c2fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#52 0x00007f0c46cc927f in QEventDispatcherGlib::processEvents (this=0x1adadc0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#53 0x00007f0c46c6f75a in QEventLoop::exec (this=this@entry=0x7ffe5f7bb3d0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#54 0x00007f0c46c772cc in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#55 0x00007f0c46f8c00c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1510
#56 0x00007f0c4774c025 in QApplication::exec () at kernel/qapplication.cpp:2956
#57 0x00000000004322c3 in main (argc=2, argv=<optimized out>) at ../../shell/main.cpp:176

Possible duplicates by query: bug 336882, bug 334846.

Reported using DrKonqi