https://bugs.kde.org/show_bug.cgi?id=357413
Bug ID: 357413
Summary: kde crash on user swap
Product: ksmserver
Version: unspecified
Platform: Compiled Sources
OS: Linux
Status: UNCONFIRMED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: l.lu...@kde.org
Reporter: laur...@internode.on.net
Application: ksmserver ()
(Compiled from sources)
Qt Version: 5.5.1
Operating System: Linux 4.3.3-2-default x86_64
Distribution: "openSUSE Tumbleweed (20151229) (x86_64)"
-- Information about the crash:
graphic user interface crashes and replaced with black screen and crash report
assistant when attempting to swap user
The crash can be reproduced every time.
-- Backtrace:
Application: ksmserver (ksmserver), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f610f83b940 (LWP 9305))]
Thread 3 (Thread 0x7f60e1de6700 (LWP 10669)):
#0 0x00007f6104fcf07f in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1 0x00007f60e2fcdd6a in ?? () from /usr/lib64/dri/radeonsi_dri.so
#2 0x00007f60e2fcd597 in ?? () from /usr/lib64/dri/radeonsi_dri.so
#3 0x00007f6104fc94a4 in start_thread () from /lib64/libpthread.so.0
#4 0x00007f610f183bdd in clone () from /lib64/libc.so.6
Thread 2 (Thread 0x7f60ec8a9700 (LWP 10671)):
#0 0x00007f61036a14d4 in g_mutex_unlock () from /usr/lib64/libglib-2.0.so.0
#1 0x00007f610365d910 in g_main_context_prepare () from
/usr/lib64/libglib-2.0.so.0
#2 0x00007f610365e193 in ?? () from /usr/lib64/libglib-2.0.so.0
#3 0x00007f610365e36c in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#4 0x00007f6109d4852b in QEventDispatcherGlib::processEvents
(this=0x7f60b8209ae0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5 0x00007f6109cf263a in QEventLoop::exec (this=this@entry=0x7f60ec8a8c70,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6 0x00007f6109b1eb1c in QThread::exec (this=this@entry=0x12b2060) at
thread/qthread.cpp:503
#7 0x00007f610d3379a5 in QQmlThreadPrivate::run (this=0x12b2060) at
/usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/ftw/qqmlthread.cpp:141
#8 0x00007f6109b2394f in QThreadPrivate::start (arg=0x12b2060) at
thread/qthread_unix.cpp:331
#9 0x00007f6104fc94a4 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f610f183bdd in clone () from /lib64/libc.so.6
Thread 1 (Thread 0x7f610f83b940 (LWP 9305)):
[KCrash Handler]
#6 ref (this=0x4) at /usr/include/qt5/QtCore/qrefcount.h:54
#7 toQString (this=<optimized out>) at
/usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/jsruntime/qv4string_p.h:84
#8 toQString (this=<optimized out>) at
/usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/jsruntime/qv4string_p.h:145
#9 QV4::Heap::StringObject::StringObject (this=<optimized out>,
engine=0x1260510, val=...) at
/usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/jsruntime/qv4stringobject.cpp:91
#10 0x00007f610d1fc885 in alloc<QV4::StringObject, QV4::ExecutionEngine*,
QV4::Value> (arg2=..., arg1=0x1260510, this=<optimized out>) at
/usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/jsruntime/qv4mm_p.h:126
#11 QV4::ExecutionEngine::newStringObject (this=0x1260510, value=...) at
/usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/jsruntime/qv4engine.cpp:557
#12 0x00007f610d29075e in QV4::Runtime::getProperty (engine=0x1260510,
object=..., nameIndex=<optimized out>) at
/usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/jsruntime/qv4runtime.cpp:682
#13 0x00007f610ce3f0b5 in ?? ()
#14 0x00000000012a6220 in ?? ()
#15 0x00007ffff211aa50 in ?? ()
#16 0x0000000400000003 in ?? ()
#17 0x00007f610d28f393 in call (d=<optimized out>, this=<optimized out>) at
/usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/jsruntime/qv4object_p.h:305
#18 QV4::RuntimeHelpers::objectDefaultValue (object=0x7ffff211aa50,
typeHint=<optimized out>) at
/usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/jsruntime/qv4runtime.cpp:408
#19 0x00007f610d236b7a in QV4::SimpleScriptFunction::call (that=<optimized
out>, callData=<optimized out>) at
/usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/jsruntime/qv4functionobject.cpp:564
#20 0x00007f610d31dd2e in call (d=0x7f60d7e83008, this=<optimized out>) at
/usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/jsruntime/qv4object_p.h:305
#21 QQmlJavaScriptExpression::evaluate (this=this@entry=0x10d4110,
context=<optimized out>, function=..., callData=callData@entry=0x7f60d7e83008,
isUndefined=isUndefined@entry=0x7ffff211ac88) at
/usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmljavascriptexpression.cpp:158
#22 0x00007f610d31e23d in QQmlJavaScriptExpression::evaluate
(this=this@entry=0x10d4110, context=<optimized out>, function=...,
isUndefined=isUndefined@entry=0x7ffff211ac88) at
/usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmljavascriptexpression.cpp:116
#23 0x00007f610d3246e4 in QQmlBinding::update (this=0x10d40f0, flags=...) at
/usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlbinding.cpp:194
#24 0x00007f610d32d786 in setEnabled (f=..., e=true, this=0x10d4128) at
/usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlabstractbinding_p.h:110
#25 QQmlObjectCreator::finalize (this=0x10eac30, interrupt=...) at
/usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlobjectcreator.cpp:1194
#26 0x00007f610d2c0eca in QQmlIncubatorPrivate::incubate
(this=this@entry=0x10eab60, i=...) at
/usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlincubator.cpp:348
#27 0x00007f610d2c1847 in QQmlEnginePrivate::incubate
(this=this@entry=0x12a6220, i=..., forContext=forContext@entry=0x10eaa80) at
/usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlincubator.cpp:87
#28 0x00007f610d2bd2ec in QQmlComponent::create (this=<optimized out>,
incubator=..., context=<optimized out>, forContext=forContext@entry=0x0) at
/usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlcomponent.cpp:1068
#29 0x00007f610d8bc31a in QQuickLoaderPrivate::_q_sourceLoaded
(this=this@entry=0x17afa80) at
/usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/items/qquickloader.cpp:714
#30 0x00007f610d8bc498 in QQuickLoaderPrivate::load (this=0x17afa80) at
/usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/items/qquickloader.cpp:597
#31 0x00007f610d32d852 in QQmlObjectCreator::finalize (this=0xf8e9d0,
interrupt=...) at
/usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlobjectcreator.cpp:1207
#32 0x00007f610d2c0eca in QQmlIncubatorPrivate::incubate
(this=this@entry=0x107ccc0, i=...) at
/usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlincubator.cpp:348
#33 0x00007f610d2c1847 in QQmlEnginePrivate::incubate
(this=this@entry=0x12a6220, i=..., forContext=forContext@entry=0x10a0bd0) at
/usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlincubator.cpp:87
#34 0x00007f610d2bd2ec in QQmlComponent::create (this=<optimized out>,
incubator=..., context=<optimized out>, forContext=forContext@entry=0x0) at
/usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlcomponent.cpp:1068
#35 0x00007f610d8bc31a in QQuickLoaderPrivate::_q_sourceLoaded
(this=this@entry=0x10efdb0) at
/usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/items/qquickloader.cpp:714
#36 0x00007f610d8bc498 in QQuickLoaderPrivate::load (this=0x10efdb0) at
/usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/items/qquickloader.cpp:597
#37 0x00007f610d32d852 in QQmlObjectCreator::finalize (this=0xefca20,
interrupt=...) at
/usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlobjectcreator.cpp:1207
#38 0x00007f610d2bcd04 in QQmlComponentPrivate::complete (enginePriv=0x12a6220,
state=0x1091630) at
/usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlcomponent.cpp:928
#39 0x00007f610d2bcdc7 in QQmlComponentPrivate::completeCreate (this=0x1091590)
at
/usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlcomponent.cpp:964
#40 0x00007f610d2bcc70 in QQmlComponent::create (this=0xfa53a0,
context=0xef29d0) at
/usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlcomponent.cpp:791
#41 0x00007f610d8c33ad in QQuickView::continueExecute
(this=this@entry=0x1757d50) at
/usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/items/qquickview.cpp:476
#42 0x00007f610d8c3aad in QQuickViewPrivate::execute (this=0x10cc6e0) at
/usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/items/qquickview.cpp:124
#43 0x00007f610d8c3bda in QQuickView::setSource (this=this@entry=0x1757d50,
url=...) at
/usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/items/qquickview.cpp:253
#44 0x00007f610f45f7ce in KSMSwitchUserDialog::KSMSwitchUserDialog
(this=0x1757d50, dm=<optimized out>, parent=<optimized out>) at
/usr/src/debug/plasma-workspace-5.5.1/ksmserver/switchuserdialog.cpp:92
#45 0x00007f610f455827 in KSMServer::openSwitchUserDialog (this=<optimized
out>) at /usr/src/debug/plasma-workspace-5.5.1/ksmserver/server.cpp:1095
#46 0x00007f610f472b85 in openSwitchUserDialog (this=<optimized out>) at
/usr/src/debug/plasma-workspace-5.5.1/build/ksmserver/ksmserverinterfaceadaptor.cpp:63
#47 KSMServerInterfaceAdaptor::qt_static_metacall (_o=<optimized out>,
_c=<optimized out>, _id=<optimized out>, _a=0x7ffff211b900) at
/usr/src/debug/plasma-workspace-5.5.1/build/ksmserver/ksmserverinterfaceadaptor.moc:170
#48 0x00007f610f472d95 in KSMServerInterfaceAdaptor::qt_metacall
(this=0xcd4170, _c=QMetaObject::InvokeMetaMethod, _id=7, _a=0x7ffff211b900) at
/usr/src/debug/plasma-workspace-5.5.1/build/ksmserver/ksmserverinterfaceadaptor.moc:232
#49 0x00007f610bd84403 in QDBusConnectionPrivate::deliverCall
(this=this@entry=0xc9b390, object=object@entry=0xcd4170, msg=...,
metaTypes=..., slotIdx=12) at qdbusintegrator.cpp:978
#50 0x00007f610bd8818f in QDBusConnectionPrivate::activateCall
(this=this@entry=0xc9b390, object=0xcd4170, flags=flags@entry=273, msg=...) at
qdbusintegrator.cpp:892
#51 0x00007f610bd88a63 in QDBusConnectionPrivate::activateObject
(this=0xc9b390, node=..., msg=..., pathStartPos=<optimized out>) at
qdbusintegrator.cpp:1462
#52 0x00007f610bd89b8e in QDBusActivateObjectEvent::placeMetaCall
(this=0x106f970) at qdbusintegrator.cpp:1580
#53 0x00007f6109d22d79 in QObject::event (this=0xcb6ea0, e=<optimized out>) at
kernel/qobject.cpp:1239
#54 0x00007f610a9db8cc in QApplicationPrivate::notify_helper
(this=this@entry=0xc23190, receiver=receiver@entry=0xcb6ea0,
e=e@entry=0x106f970) at kernel/qapplication.cpp:3716
#55 0x00007f610a9e09d6 in QApplication::notify (this=0xc10170,
receiver=0xcb6ea0, e=0x106f970) at kernel/qapplication.cpp:3499
#56 0x00007f6109cf4cf3 in QCoreApplication::notifyInternal (this=0xc10170,
receiver=0xcb6ea0, event=event@entry=0x106f970) at
kernel/qcoreapplication.cpp:965
#57 0x00007f6109cf7016 in sendEvent (event=0x106f970, receiver=<optimized out>)
at kernel/qcoreapplication.h:224
#58 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0,
event_type=event_type@entry=0, data=0xc0cf90) at
kernel/qcoreapplication.cpp:1593
#59 0x00007f6109cf74f8 in QCoreApplication::sendPostedEvents
(receiver=receiver@entry=0x0, event_type=event_type@entry=0) at
kernel/qcoreapplication.cpp:1451
#60 0x00007f6109d48103 in postEventSourceDispatch (s=0xc94520) at
kernel/qeventdispatcher_glib.cpp:271
#61 0x00007f610365e097 in g_main_context_dispatch () from
/usr/lib64/libglib-2.0.so.0
#62 0x00007f610365e2c8 in ?? () from /usr/lib64/libglib-2.0.so.0
#63 0x00007f610365e36c in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#64 0x00007f6109d4850f in QEventDispatcherGlib::processEvents (this=0xc871e0,
flags=...) at kernel/qeventdispatcher_glib.cpp:418
#65 0x00007f6109cf263a in QEventLoop::exec (this=this@entry=0x7ffff211c030,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#66 0x00007f6109cfa2fd in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1229
#67 0x00007f610f454186 in kdemain (argc=1, argv=<optimized out>) at
/usr/src/debug/plasma-workspace-5.5.1/ksmserver/main.cpp:349
#68 0x00007f610f0ba610 in __libc_start_main () from /lib64/libc.so.6
#69 0x0000000000400849 in _start () at ../sysdeps/x86_64/start.S:118
Reported using DrKonqi
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