Bug 428266

Summary: ksystem stats crashes often
Product: [Unmaintained] ksysguard Reporter: Vadym Krevs <vkrevs>
Component: generalAssignee: KSysGuard Developers <ksysguard-bugs>
Status: RESOLVED UNMAINTAINED    
Severity: normal CC: moz, plasma-bugs-null
Priority: NOR    
Version First Reported In: 5.20.1   
Target Milestone: ---   
Platform: openSUSE   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:
Attachments: core file

Description Vadym Krevs 2020-10-26 10:00:31 UTC 
Created attachment 132753 [details]
core file

SUMMARY
Seems to be triggered by shutdown/reboot. Not sure. Stack trace from crash is below.

STEPS TO REPRODUCE
1. 
2. 
3. 

OBSERVED RESULT


# gdb ksystemstats core_ksystemstats_675.4347                  
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Reading symbols from ksystemstats...
Reading symbols from /usr/lib/debug/usr/bin/ksystemstats-5.20.1-lp152.285.1.x86_64.debug...
[New LWP 4347]
[New LWP 4348]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
Core was generated by `/usr/bin/ksystemstats'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x000055e8420729e0 in ?? ()
[Current thread is 1 (Thread 0x7f4dfda1c900 (LWP 4347))]
Missing separate debuginfos, use: zypper install libKF5ConfigCore5-debuginfo-5.75.0-lp152.244.1.x86_64 libKF5CoreAddons5-debuginfo-5.75.0-lp152.236.1.x86_64 libKF5I18n5-debuginfo-5.75.0-lp152.246.1.x86_64 libKF5NetworkManagerQt6-debuginfo-5.75.0-lp152.211.1.x86_64 libdouble-conversion3-debuginfo-3.1.5-lp152.1.3.x86_64 libicu-suse65_1-debuginfo-65.1-lp152.2.1.x86_64 libksysguard5-debuginfo-5.20.1-lp152.277.1.x86_64 libzstd1-debuginfo-1.4.4-lp152.1.12.x86_64
(gdb) bt
#0  0x000055e8420729e0 in ?? ()
#1  0x00007f4dfd39aaa7 in AggregateSensor::value (this=0x55e841fcd800) at /usr/src/debug/ksysguard5-5.20.1-lp152.285.1.x86_64/libkstats/AggregateSensor.cpp:101
#2  0x000055e83fec31ea in Client::<lambda()>::operator() (__closure=0x55e84206d4c0) at /usr/src/debug/ksysguard5-5.20.1-lp152.285.1.x86_64/ksystemstats/client.cpp:57
#3  QtPrivate::FunctorCall<QtPrivate::IndexesList<>, QtPrivate::List<>, void, Client::subscribeSensors(const QStringList&)::<lambda()> >::call (arg=<optimized out>, f=...) at /usr/include/qt5/QtCore/qobjectdefs_impl.h:146
#4  QtPrivate::Functor<Client::subscribeSensors(const QStringList&)::<lambda()>, 0>::call<QtPrivate::List<>, void> (arg=<optimized out>, f=...) at /usr/include/qt5/QtCore/qobjectdefs_impl.h:256
#5  QtPrivate::QFunctorSlotObject<Client::subscribeSensors(const QStringList&)::<lambda()>, 0, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *, void **, bool *) (which=<optimized out>, this_=0x55e84206d4b0, r=<optimized out>, a=<optimized out>, 
    ret=<optimized out>) at /usr/include/qt5/QtCore/qobjectdefs_impl.h:443
#6  0x00007f4dfcc56c87 in QtPrivate::QSlotObjectBase::call (a=0x7ffdb6c02940, r=0x7f4df0010840, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#7  doActivate<false> (sender=0x55e841fcd800, signal_index=3, argv=0x7ffdb6c02940) at kernel/qobject.cpp:3886
#8  0x00007f4dfcc50142 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7f4dfd5a0b60 <SensorProperty::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3946
#9  0x00007f4dfd399d00 in SensorProperty::valueChanged (this=<optimized out>) at /usr/src/debug/ksysguard5-5.20.1-lp152.285.1.x86_64/build/libkstats/ksgrdbackend_autogen/EWIEGA46WW/moc_SensorProperty.cpp:153
#10 0x00007f4dfd39a6d6 in AggregateSensor::<lambda()>::operator() (__closure=0x7f4df0021000) at /usr/src/debug/ksysguard5-5.20.1-lp152.285.1.x86_64/libkstats/AggregateSensor.cpp:204
#11 QtPrivate::FunctorCall<QtPrivate::IndexesList<>, QtPrivate::List<>, void, AggregateSensor::delayedEmitDataChanged()::<lambda()> >::call (arg=<optimized out>, f=...) at /usr/include/qt5/QtCore/qobjectdefs_impl.h:146
#12 QtPrivate::Functor<AggregateSensor::delayedEmitDataChanged()::<lambda()>, 0>::call<QtPrivate::List<>, void> (arg=<optimized out>, f=...) at /usr/include/qt5/QtCore/qobjectdefs_impl.h:256
#13 QtPrivate::QFunctorSlotObject<AggregateSensor::delayedEmitDataChanged()::<lambda()>, 0, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *, void **, bool *) (which=<optimized out>, this_=0x7f4df0020ff0, r=<optimized out>, a=<optimized out>, 
    ret=<optimized out>) at /usr/include/qt5/QtCore/qobjectdefs_impl.h:443
#14 0x00007f4dfcc5b904 in QtPrivate::QSlotObjectBase::call (a=0x7ffdb6c029a0, r=<optimized out>, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#15 QSingleShotTimer::timerEvent (this=0x55e842079270) at kernel/qtimer.cpp:320
#16 0x00007f4dfcc4d6d3 in QObject::event (this=0x55e842079270, e=0x7ffdb6c02ad0) at kernel/qobject.cpp:1336
#17 0x00007f4dfcc1954c in doNotify (event=0x7ffdb6c02ad0, receiver=0x55e842079270) at kernel/qcoreapplication.cpp:1153
#18 QCoreApplication::notify (event=<optimized out>, receiver=<optimized out>, this=<optimized out>) at kernel/qcoreapplication.cpp:1139
#19 QCoreApplication::notifyInternal2 (receiver=0x55e842079270, event=0x7ffdb6c02ad0) at kernel/qcoreapplication.cpp:1063
#20 0x00007f4dfcc7b189 in QTimerInfoList::activateTimers (this=0x55e841f96c60) at kernel/qtimerinfo_unix.cpp:643
#21 0x00007f4dfcc7b951 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:183
#22 0x00007f4df9e90464 in g_main_dispatch (context=0x55e841f94830) at ../glib/gmain.c:3216
#23 g_main_context_dispatch (context=context@entry=0x55e841f94830) at ../glib/gmain.c:3881
#24 0x00007f4df9e90800 in g_main_context_iterate (context=context@entry=0x55e841f94830, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/gmain.c:3954
#25 0x00007f4df9e9088c in g_main_context_iteration (context=0x55e841f94830, may_block=may_block@entry=1) at ../glib/gmain.c:4015
#26 0x00007f4dfcc7bcfc in QEventDispatcherGlib::processEvents (this=0x55e841f93eb0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#27 0x00007f4dfcc17dea in QEventLoop::exec (this=this@entry=0x7ffdb6c02d20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:232
#28 0x00007f4dfcc215e7 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1371
#29 0x000055e83febb21e in main (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/ksysguard5-5.20.1-lp152.285.1.x86_64/ksystemstats/main.cpp:30


EXPECTED RESULT


SOFTWARE/OS VERSIONS
Windows: 
macOS: 
Linux/KDE Plasma: 
(available in About System)
KDE Plasma Version: 
KDE Frameworks Version: 
Qt Version: 

ADDITIONAL INFORMATION
Comment 1 Vadym Krevs 2020-11-26 14:52:49 UTC 
No change in 5.20.3

$ rpm -q libQt5Core5 ksysguard5 plasma5-workspace
libQt5Core5-5.15.2-lp152.2.1.x86_64
ksysguard5-5.20.3-lp152.289.2.x86_64
plasma5-workspace-5.20.3-lp152.562.2.x86_64
Comment 2 Christoph Cullmann 2024-09-23 21:00:13 UTC 
ksysguard is no longer maintained, in Plasma 6 there is the Plasma system monitor for this task.

If your issue still happens with the Plasma 6 replacement, please re-open and we can move this bug to the new product, thanks!