https://bugs.kde.org/show_bug.cgi?id=430615
Bug ID: 430615
Summary: Crash (apparently cgroups-related) after some time
minimized
Product: plasma-systemmonitor
Version: unspecified
Platform: Compiled Sources
OS: Linux
Status: REPORTED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: ksysguard-b...@kde.org
Reporter: bharadwaj.raju...@protonmail.com
CC: ahiems...@heimr.nl, plasma-b...@kde.org
Target Milestone: ---
Application: plasma-systemmonitor (5.20.80)
(Compiled from sources)
Qt Version: 5.15.2
Frameworks Version: 5.77.0
Operating System: Linux 5.9.14-arch1-1 x86_64
Windowing system: X11
Distribution: "Arch Linux"
-- Information about the crash:
- What I was doing when the application crashed:
All pages were loaded. Open page was Overview. I minimized the app and was
doing something else.
Page settings are default, no changes.
System Monitor, KSysGuard and libksysguard were compiled from git latest. Rest
of system is Arch Linux latest.
Backtrace suggests something related to cgroups.
The crash can be reproduced every time.
-- Backtrace:
Application: System Monitor (plasma-systemmonitor), signal: Segmentation fault
[KCrash Handler]
#4 0x00007fb99b28d664 in pthread_mutex_lock () at /usr/lib/libpthread.so.0
#5 0x00007fb97c360f0c in __gthread_mutex_lock(__gthread_mutex_t*)
(__mutex=0x50) at
/usr/include/c++/10.2.0/x86_64-pc-linux-gnu/bits/gthr-default.h:749
#6 0x00007fb97c3616e6 in std::mutex::lock() (this=0x50) at
/usr/include/c++/10.2.0/bits/std_mutex.h:100
#7 0x00007fb97c3626ed in std::unique_lock<std::mutex>::lock()
(this=0x7ffde83a6f40) at /usr/include/c++/10.2.0/bits/unique_lock.h:138
#8 0x00007fb97c36218b in
std::unique_lock<std::mutex>::unique_lock(std::mutex&) (this=0x7ffde83a6f40,
__m=...) at /usr/include/c++/10.2.0/bits/unique_lock.h:68
#9 0x00007fb97c361b92 in KSysGuard::CGroupPrivate::ReadPidsRunnable::wait()
(this=0x0) at /home/bharadwaj/kde/src/libksysguard/processcore/cgroup.cpp:95
#10 0x00007fb97c360210 in KSysGuard::CGroup::pids() const (this=0x55a376f306c0)
at /home/bharadwaj/kde/src/libksysguard/processcore/cgroup.cpp:152
#11 0x00007fb97c3650ce in
KSysGuard::CGroupDataModelPrivate::processesFor(KSysGuard::CGroup*)
(this=0x55a376f18490, app=0x55a376f306c0) at
/home/bharadwaj/kde/src/libksysguard/processcore/cgroup_data_model.cpp:447
#12 0x00007fb97c363ebf in KSysGuard::CGroupDataModel::data(QModelIndex const&,
int) const (this=0x55a376f18350, index=..., role=256) at
/home/bharadwaj/kde/src/libksysguard/processcore/cgroup_data_model.cpp:253
#13 0x00007fb99bb901ee in QAbstractProxyModel::data(QModelIndex const&, int)
const () at /usr/lib/libQt5Core.so.5
#14 0x00007fb97c3db03f in ColumnDisplayModel::data(QModelIndex const&, int)
const (this=0x55a376f17fe0, index=..., role=256) at
/home/bharadwaj/kde/src/plasma-systemmonitor/src/table/ColumnDisplayModel.cpp:36
#15 0x00007fb99bb901ee in QAbstractProxyModel::data(QModelIndex const&, int)
const () at /usr/lib/libQt5Core.so.5
#16 0x00007fb97c3e59d8 in ComponentCacheProxyModel::data(QModelIndex const&,
int) const (this=0x55a376f17b00, proxyIndex=..., role=256) at
/home/bharadwaj/kde/src/plasma-systemmonitor/src/table/ComponentCacheProxyModel.cpp:49
#17 0x00007fb99bb9c249 in QSortFilterProxyModel::lessThan(QModelIndex const&,
QModelIndex const&) const () at /usr/lib/libQt5Core.so.5
#18 0x00007fb99bba25ae in () at /usr/lib/libQt5Core.so.5
#19 0x00007fb99bba3ff2 in () at /usr/lib/libQt5Core.so.5
#20 0x00007fb99bba9d8d in () at /usr/lib/libQt5Core.so.5
#21 0x00007fb99bc0be10 in () at /usr/lib/libQt5Core.so.5
#22 0x00007fb99bb6dfd6 in QAbstractItemModel::dataChanged(QModelIndex const&,
QModelIndex const&, QVector<int> const&) () at /usr/lib/libQt5Core.so.5
#23 0x00007fb99bb99078 in () at /usr/lib/libQt5Core.so.5
#24 0x00007fb99bc0be10 in () at /usr/lib/libQt5Core.so.5
#25 0x00007fb99bb6dfd6 in QAbstractItemModel::dataChanged(QModelIndex const&,
QModelIndex const&, QVector<int> const&) () at /usr/lib/libQt5Core.so.5
#26 0x00007fb99bb99078 in () at /usr/lib/libQt5Core.so.5
#27 0x00007fb99bc0be10 in () at /usr/lib/libQt5Core.so.5
#28 0x00007fb99bb6dfd6 in QAbstractItemModel::dataChanged(QModelIndex const&,
QModelIndex const&, QVector<int> const&) () at /usr/lib/libQt5Core.so.5
#29 0x00007fb97c364ac9 in operator()() const (__closure=0x7fb9580049a0) at
/home/bharadwaj/kde/src/libksysguard/processcore/cgroup_data_model.cpp:417
#30 0x00007fb97c365954 in std::__invoke_impl<void,
KSysGuard::CGroupDataModel::update(KSysGuard::CGroup*)::<lambda()>&>(std::__invoke_other,
struct {...} &) (__f=...) at /usr/include/c++/10.2.0/bits/invoke.h:60
#31 0x00007fb97c3657f0 in std::__invoke_r<void,
KSysGuard::CGroupDataModel::update(KSysGuard::CGroup*)::<lambda()>&>(struct
{...} &) (__fn=...) at /usr/include/c++/10.2.0/bits/invoke.h:153
#32 0x00007fb97c3655c1 in std::_Function_handler<void(),
KSysGuard::CGroupDataModel::update(KSysGuard::CGroup*)::<lambda()>
>::_M_invoke(const std::_Any_data &) (__functor=...) at
/usr/include/c++/10.2.0/bits/std_function.h:291
#33 0x00007fb97c362d94 in std::function<void ()>::operator()() const
(this=0x7fb9580049a0) at /usr/include/c++/10.2.0/bits/std_function.h:622
#34 0x00007fb97c362d34 in QtPrivate::FunctorCall<QtPrivate::IndexesList<>,
QtPrivate::List<>, void, std::function<void ()> >::call(std::function<void
()>&, void**) (f=..., arg=0x7fb9580032a8) at
/usr/include/qt/QtCore/qobjectdefs_impl.h:146
#35 0x00007fb97c362c90 in QtPrivate::Functor<std::function<void ()>,
0>::call<QtPrivate::List<>, void>(std::function<void ()>&, void*, void**)
(f=..., arg=0x7fb9580032a8) at /usr/include/qt/QtCore/qobjectdefs_impl.h:256
#36 0x00007fb97c362ad6 in QtPrivate::QFunctorSlotObject<std::function<void ()>,
0, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase*, QObject*,
void**, bool*) (which=1, this_=0x7fb958004990, r=0x55a376f18350,
a=0x7fb9580032a8, ret=0x0) at /usr/include/qt/QtCore/qobjectdefs_impl.h:443
#37 0x00007fb99bc01582 in QObject::event(QEvent*) () at
/usr/lib/libQt5Core.so.5
#38 0x00007fb99c722752 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#39 0x00007fb99bbd4a7a in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#40 0x00007fb99bbd7573 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#41 0x00007fb99bc2e0a4 in () at /usr/lib/libQt5Core.so.5
#42 0x00007fb99a2da8f4 in g_main_context_dispatch () at
/usr/lib/libglib-2.0.so.0
#43 0x00007fb99a32e821 in () at /usr/lib/libglib-2.0.so.0
#44 0x00007fb99a2d9121 in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#45 0x00007fb99bc2d6e1 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#46 0x00007fb99bbd33fc in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#47 0x00007fb99bbdb894 in QCoreApplication::exec() () at
/usr/lib/libQt5Core.so.5
#48 0x000055a3755bf8d7 in main(int, char**) (argc=1, argv=0x7ffde83a84b8) at
/home/bharadwaj/kde/src/plasma-systemmonitor/src/main.cpp:136
[Inferior 1 (process 46743) detached]
Reported using DrKonqi
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