https://bugs.kde.org/show_bug.cgi?id=432551
Bug ID: 432551
Summary: Plasma crash after fiddling with (frozen) System
Monitor widget settings
Product: plasmashell
Version: 5.19.5
Platform: Ubuntu Packages
OS: Linux
Status: REPORTED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: k...@davidedmundson.co.uk
Reporter: bugs.kde....@tenkate.net
CC: plasma-b...@kde.org
Target Milestone: 1.0
Application: plasmashell (5.19.5)
Qt Version: 5.14.2
Frameworks Version: 5.74.0
Operating System: Linux 5.8.0-41-lowlatency x86_64
Windowing system: X11
Distribution: Ubuntu 20.10
-- Information about the crash:
- What I was doing when the application crashed:
As mentioned before - fiddling with System Monitor widget settings since it
stopped updating info. Then Plasma crashed.
- Unusual behavior I noticed:
See above - System Monitor widget info 'froze', i.e. memory usage stays at
64.3% regardless of *real* memory usage. This is the second time I noticed this
behaviour, which was gone for a brief moment when I rebooted the system.
The crash can be reproduced sometimes.
-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
[KCrash Handler]
#4 0x00007f32410b1b8e in QQmlData::wasDeleted(QObject const*)
(object=0x55d539e512d0) at
../../include/QtQml/5.14.2/QtQml/private/../../../../../src/qml/qml/qqmldata_p.h:338
#5 QV4::QObjectWrapper::getQmlProperty(QV4::ExecutionEngine*,
QQmlContextData*, QObject*, QV4::String*, QV4::QObjectWrapper::RevisionMode,
bool*, QQmlPropertyData**) (engine=engine@entry=0x55d539c32d30,
qmlContext=qmlContext@entry=0x55d53fa5ce60, object=0x55d539e512d0,
name=0x7f32331b1720,
revisionMode=revisionMode@entry=QV4::QObjectWrapper::CheckRevision,
hasProperty=hasProperty@entry=0x7ffc833f32d8, property=0x7ffc833f32e0) at
jsruntime/qv4qobjectwrapper.cpp:360
#6 0x00007f3241091f0a in
QV4::QQmlContextWrapper::getPropertyAndBase(QV4::QQmlContextWrapper const*,
QV4::PropertyKey, QV4::Value const*, bool*, QV4::Value*, QV4::Lookup*)
(resource=<optimized out>, id=..., receiver=<optimized out>,
hasProperty=0x7ffc833f3357, base=0x7f32331b16f8, lookup=0x0) at
../../include/QtQml/5.14.2/QtQml/private/../../../../../src/qml/common/qv4staticvalue_p.h:325
#7 0x00007f32410927e3 in
QV4::QQmlContextWrapper::resolveQmlContextPropertyLookupGetter(QV4::Lookup*,
QV4::ExecutionEngine*, QV4::Value*) (l=0x55d53c3bab30, engine=0x55d539c32d30,
base=0x7f32331b16f8) at
../../include/QtQml/5.14.2/QtQml/private/../../../../../src/qml/common/qv4staticvalue_p.h:325
#8 0x00007f32410e20f9 in
QV4::Runtime::CallQmlContextPropertyLookup::call(QV4::ExecutionEngine*,
unsigned int, QV4::Value*, int) (engine=0x55d539c32d30, index=<optimized out>,
argv=0x7f32331b16a8, argc=4) at jsruntime/qv4scopedvalue_p.h:238
#9 0x00007f32410cecf3 in QV4::Moth::VME::interpret(QV4::CppStackFrame*,
QV4::ExecutionEngine*, char const*) (frame=0x7ffc833f3590,
engine=0x55d539c32d30, code=0x7f31d3c3e28b
"H\020\022\071\030\n\022=\030\v\022>\030\f\260\b\003\n\030\006\002P") at
jsruntime/qv4vme_moth.cpp:784
#10 0x00007f32410d30b7 in QV4::Moth::VME::exec(QV4::CppStackFrame*,
QV4::ExecutionEngine*) (frame=frame@entry=0x7ffc833f3590,
engine=engine@entry=0x55d539c32d30) at jsruntime/qv4vme_moth.cpp:463
#11 0x00007f324107008d in QV4::Function::call(QV4::Value const*, QV4::Value
const*, int, QV4::ExecutionContext const*) (this=this@entry=0x55d53bf5b700,
thisObject=<optimized out>, argv=argv@entry=0x7f32331b1658, argc=<optimized
out>, context=<optimized out>) at jsruntime/qv4function.cpp:69
#12 0x00007f32411d6a15 in QQmlJavaScriptExpression::evaluate(QV4::CallData*,
bool*) (this=this@entry=0x55d541152b20, callData=0x7f32331b1628,
isUndefined=isUndefined@entry=0x7ffc833f376f) at
../../include/QtQml/5.14.2/QtQml/private/../../../../../src/qml/jsruntime/qv4value_p.h:343
#13 0x00007f32411dbdb8 in QQmlBinding::evaluate(bool*)
(this=this@entry=0x55d541152b20, isUndefined=isUndefined@entry=0x7ffc833f376f)
at
../../include/QtQml/5.14.2/QtQml/private/../../../../../src/qml/jsruntime/qv4jscall_p.h:95
#14 0x00007f32411dfcfb in
QQmlNonbindingBinding::doUpdate(QQmlJavaScriptExpression::DeleteWatcher const&,
QFlags<QQmlPropertyData::WriteFlag>, QV4::Scope&) (this=0x55d541152b20,
watcher=..., flags=..., scope=...) at qml/qqmlbinding.cpp:246
#15 0x00007f32411dda14 in
QQmlBinding::update(QFlags<QQmlPropertyData::WriteFlag>) (this=0x55d541152b20,
flags=...) at qml/qqmlbinding.cpp:186
#16 0x00007f32411bc67d in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*,
void**) (endpoint=<optimized out>, a=0x0) at qml/qqmlnotifier.cpp:104
#17 0x00007f323fb0be75 in doActivate<false>(QObject*, int, void**)
(sender=0x55d53c06b0b0, signal_index=21, argv=0x0) at kernel/qobject_p.h:110
#18 0x00007f324116e022 in QQmlVMEMetaObject::metaCall(QObject*,
QMetaObject::Call, int, void**) () at
../../include/QtQml/5.14.2/QtQml/private/../../../../../src/qml/qml/qqmlpropertycache_p.h:375
#19 0x00007f32411df51e in QQmlPropertyData::writeProperty(QObject*, void*,
QFlags<QQmlPropertyData::WriteFlag>) const (flags=..., value=0x7ffc833f5328,
target=<optimized out>, this=0x7f3228ba28e8) at
../../include/QtQml/5.14.2/QtQml/private/../../../../../src/qml/qml/qqmlpropertydata_p.h:290
#20 GenericBinding<10>::doStore<QString>(QString, QQmlPropertyData const*,
QFlags<QQmlPropertyData::WriteFlag>) const (flags=..., pd=0x7f3228ba28e8,
value=..., this=0x55d541152bb0) at qml/qqmlbinding.cpp:334
#21 GenericBinding<10>::write(QV4::Value const&, bool,
QFlags<QQmlPropertyData::WriteFlag>) (this=0x55d541152bb0, result=...,
isUndefined=<optimized out>, flags=...) at qml/qqmlbinding.cpp:315
#22 0x00007f32411dfe1e in
QQmlNonbindingBinding::doUpdate(QQmlJavaScriptExpression::DeleteWatcher const&,
QFlags<QQmlPropertyData::WriteFlag>, QV4::Scope&) (this=0x55d541152bb0,
watcher=..., flags=..., scope=...) at
../../include/QtQml/5.14.2/QtQml/private/../../../../../src/qml/jsruntime/qv4scopedvalue_p.h:239
#23 0x00007f32411dda14 in
QQmlBinding::update(QFlags<QQmlPropertyData::WriteFlag>) (this=0x55d541152bb0,
flags=...) at qml/qqmlbinding.cpp:186
#24 0x00007f32411bc67d in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*,
void**) (endpoint=<optimized out>, a=0x0) at qml/qqmlnotifier.cpp:104
#25 0x00007f323fb0be75 in doActivate<false>(QObject*, int, void**)
(sender=0x55d5402bd000, signal_index=6, argv=0x0) at kernel/qobject_p.h:110
#26 0x00007f31d3c79cbb in () at
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/newstuff/libnewstuffqmlplugin.so
#27 0x00007f32410b6752 in
QV4::QObjectWrapper::setProperty(QV4::ExecutionEngine*, QObject*,
QQmlPropertyData*, QV4::Value const&) (engine=0x55d539c32d30,
object=0x55d5402bd000, property=0x7f3228b976a8, value=...) at
../../include/QtQml/5.14.2/QtQml/private/../../../../../src/qml/qml/qqmlpropertydata_p.h:196
#28 0x00007f32410b6db7 in
QV4::QObjectWrapper::setQmlProperty(QV4::ExecutionEngine*, QQmlContextData*,
QObject*, QV4::String*, QV4::QObjectWrapper::RevisionMode, QV4::Value const&)
(value=..., revisionMode=QV4::QObjectWrapper::IgnoreRevision, name=<optimized
out>, object=0x55d5402bd000, qmlContext=<optimized out>, engine=0x55d539c32d30)
at jsruntime/qv4qobjectwrapper.cpp:435
#29 QV4::QObjectWrapper::setQmlProperty(QV4::ExecutionEngine*,
QQmlContextData*, QObject*, QV4::String*, QV4::QObjectWrapper::RevisionMode,
QV4::Value const&) (engine=0x55d539c32d30, qmlContext=<optimized out>,
object=0x55d5402bd000, name=<optimized out>,
revisionMode=QV4::QObjectWrapper::IgnoreRevision, value=...) at
jsruntime/qv4qobjectwrapper.cpp:418
#30 0x00007f32410b6f55 in QV4::QObjectWrapper::virtualPut(QV4::Managed*,
QV4::PropertyKey, QV4::Value const&, QV4::Value*) (m=0x7f32331b15b8, id=...,
value=..., receiver=0x7f32331b15b8) at
/usr/include/c++/10/bits/atomic_base.h:420
#31 0x00007f3241082dab in QV4::Object::put(QV4::PropertyKey, QV4::Value const&,
QV4::Value*) (receiver=0x7f32331b15b8, v=..., id=..., this=0x7f32331b15b8) at
../../include/QtQml/5.14.2/QtQml/private/../../../../../src/qml/memory/qv4heap_p.h:82
#32 QV4::Object::virtualResolveLookupSetter(QV4::Object*,
QV4::ExecutionEngine*, QV4::Lookup*, QV4::Value const&) (object=0x7f32331b15b8,
engine=0x55d539c32d30, lookup=0x55d53f9e2d50, value=...) at
jsruntime/qv4object.cpp:804
#33 0x00007f32410cf178 in QV4::Moth::VME::interpret(QV4::CppStackFrame*,
QV4::ExecutionEngine*, char const*) (frame=0x7ffc833f72c0,
engine=0x55d539c32d30, code=0x7f31d3c40325 ".\r\030\a\246\016\a") at
jsruntime/qv4vme_moth.cpp:653
#34 0x00007f32410d30b7 in QV4::Moth::VME::exec(QV4::CppStackFrame*,
QV4::ExecutionEngine*) (frame=frame@entry=0x7ffc833f72c0,
engine=engine@entry=0x55d539c32d30) at jsruntime/qv4vme_moth.cpp:463
#35 0x00007f3241070f18 in QV4::ArrowFunction::virtualCall(QV4::FunctionObject
const*, QV4::Value const*, QV4::Value const*, int) (fo=<optimized out>,
thisObject=<optimized out>, argv=<optimized out>, argc=<optimized out>) at
jsruntime/qv4functionobject.cpp:528
#36 0x00007f32410e2136 in QV4::FunctionObject::call(QV4::Value const*,
QV4::Value const*, int) const (argc=0, argv=0x7f32331b1500,
thisObject=0x7f32331b1578, this=0x7ffc833f7358) at
jsruntime/qv4functionobject_p.h:172
#37 QV4::Runtime::CallQmlContextPropertyLookup::call(QV4::ExecutionEngine*,
unsigned int, QV4::Value*, int) (engine=0x55d539c32d30, index=<optimized out>,
argv=0x7f32331b1500, argc=0) at jsruntime/qv4runtime.cpp:1366
#38 0x00007f32410cecf3 in QV4::Moth::VME::interpret(QV4::CppStackFrame*,
QV4::ExecutionEngine*, char const*) (frame=0x7ffc833f7540,
engine=0x55d539c32d30, code=0x7f31d3c40394 "\016\002") at
jsruntime/qv4vme_moth.cpp:784
#39 0x00007f32410d30b7 in QV4::Moth::VME::exec(QV4::CppStackFrame*,
QV4::ExecutionEngine*) (frame=frame@entry=0x7ffc833f7540,
engine=engine@entry=0x55d539c32d30) at jsruntime/qv4vme_moth.cpp:463
#40 0x00007f324107008d in QV4::Function::call(QV4::Value const*, QV4::Value
const*, int, QV4::ExecutionContext const*) (this=this@entry=0x55d53a965030,
thisObject=<optimized out>, argv=argv@entry=0x7f32331b1500, argc=<optimized
out>, context=<optimized out>) at jsruntime/qv4function.cpp:69
#41 0x00007f32411d6a15 in QQmlJavaScriptExpression::evaluate(QV4::CallData*,
bool*) (this=this@entry=0x55d541152e30, callData=callData@entry=0x7f32331b14d0,
isUndefined=isUndefined@entry=0x0) at
../../include/QtQml/5.14.2/QtQml/private/../../../../../src/qml/jsruntime/qv4value_p.h:343
#42 0x00007f324118e07b in QQmlBoundSignalExpression::evaluate(void**)
(this=<optimized out>, a=<optimized out>) at
../../include/QtQml/5.14.2/QtQml/private/../../../../../src/qml/jsruntime/qv4jscall_p.h:95
#43 0x00007f324118e558 in QQmlBoundSignal_callback(QQmlNotifierEndpoint*,
void**) (e=0x55d53db6cf70, a=0x0) at
../../include/QtQml/5.14.2/QtQml/private/../../../../../src/qml/qml/qqmlboundsignalexpressionpointer_p.h:69
#44 0x00007f32411bc67d in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*,
void**) (endpoint=<optimized out>, a=0x0) at qml/qqmlnotifier.cpp:104
#45 0x00007f323fb0be75 in doActivate<false>(QObject*, int, void**)
(sender=0x55d53f877040, signal_index=64, argv=0x0) at kernel/qobject_p.h:110
#46 0x00007f323a1f1531 in QQuickAbstractButtonPrivate::handleRelease(QPointF
const&) (this=0x55d53f877100, point=...) at qquickabstractbutton.cpp:180
#47 0x00007f323a20f9a9 in QQuickControl::mouseReleaseEvent(QMouseEvent*)
(this=<optimized out>, event=0x7ffc833f95b0) at
/usr/include/x86_64-linux-gnu/qt5/QtGui/qevent.h:128
#48 0x00007f32415b4388 in QQuickItem::event(QEvent*) (this=0x55d53f877040,
ev=0x7ffc833f95b0) at items/qquickitem.cpp:8095
#49 0x00007f32405e2013 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
(this=<optimized out>, receiver=0x55d53f877040, e=0x7ffc833f95b0) at
kernel/qapplication.cpp:3685
#50 0x00007f323fad61ca in QCoreApplication::notifyInternal2(QObject*, QEvent*)
(receiver=0x55d53f877040, event=0x7ffc833f95b0) at
../../include/QtCore/../../src/corelib/kernel/qobject.h:153
#51 0x00007f32415cec34 in
QQuickWindowPrivate::deliverMouseEvent(QQuickPointerMouseEvent*)
(this=this@entry=0x55d540369fd0, pointerEvent=0x55d54013ee20) at
items/qquickwindow.cpp:1891
#52 0x00007f32415cff6b in
QQuickWindowPrivate::deliverPointerEvent(QQuickPointerEvent*)
(this=0x55d540369fd0, event=0x55d54013ee20) at items/qquickwindow.cpp:2454
#53 0x00007f323feb37c5 in QWindow::event(QEvent*) (this=0x55d53f552100,
ev=<optimized out>) at kernel/qwindow.cpp:2363
#54 0x00007f32405e2013 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
(this=<optimized out>, receiver=0x55d53f552100, e=0x7ffc833f95b0) at
kernel/qapplication.cpp:3685
#55 0x00007f323fad61ca in QCoreApplication::notifyInternal2(QObject*, QEvent*)
(receiver=0x55d53f552100, event=0x7ffc833f95b0) at
../../include/QtCore/../../src/corelib/kernel/qobject.h:153
#56 0x00007f323fea748b in
QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
(e=0x55d53ce3cf90) at kernel/qguiapplication.cpp:2203
#57 0x00007f323fe7d2bb in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(flags=flags@entry=...) at kernel/qwindowsysteminterface.cpp:1170
#58 0x00007f323b44835e in xcbSourceDispatch(GSource*, GSourceFunc, gpointer)
(source=<optimized out>) at qxcbeventdispatcher.cpp:105
#59 0x00007f323df634db in g_main_context_dispatch () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#60 0x00007f323df63788 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#61 0x00007f323df63853 in g_main_context_iteration () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#62 0x00007f323fb2d843 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x55d53996a520, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#63 0x00007f323fad4a4b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7ffc833f98e0, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:136
#64 0x00007f323fadcfc6 in QCoreApplication::exec() () at
../../include/QtCore/../../src/corelib/global/qflags.h:118
#65 0x000055d537f8f84b in ()
#66 0x00007f323f486cb2 in __libc_start_main (main=0x55d537f8ec90, argc=1,
argv=0x7ffc833f9ba8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffc833f9b98) at ../csu/libc-start.c:314
#67 0x000055d537f8fa2e in _start ()
[Inferior 1 (process 2601) detached]
The reporter indicates this bug may be a duplicate of or related to bug 422780.
Possible duplicates by query: bug 431600, bug 429585, bug 426905, bug 425987,
bug 425576.
Reported using DrKonqi
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