https://bugs.kde.org/show_bug.cgi?id=452011
Bug ID: 452011
Summary: krunner blocks UI
Product: frameworks-krunner
Version: 5.92.0
Platform: Compiled Sources
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
SUMMARY
krunner blocks UI which can be very annoying
STEPS TO REPRODUCE
Not exactly sure, but have something slow that krunner is trying to use and
then first time you try to use krunner it will block whole UI for a while.
Note that this is reproducible for both Plasma Desktop left side panel and top
Alt+Space runner
OBSERVED RESULT
First time trying to search in krunner it will block whole UI. In case of
plasmashell it blocks whole desktop/panels won't be responsive until it
finishes. For me that can be like 10+ seconds.
EXPECTED RESULT
Don't block UI, show loading spinner and show results as soon as they come
SOFTWARE/OS VERSIONS
Linux/KDE Plasma:
(available in About System)
KDE Plasma Version: 5.24.3
KDE Frameworks Version: 5.93.0
Qt Version: 5.15.3
ADDITIONAL INFORMATION
It can be seen in this plasmashell backtrace
```
#0 0x00007fd47046b15a in __futex_abstimed_wait_common () at /usr/lib/libc.so.6
#1 0x00007fd47046d960 in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libc.so.6
#2 0x00007fd4708fccfc in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at
/usr/lib/libQt5Core.so.5
#3 0x00007fd471527db9 in () at /usr/lib/libQt5DBus.so.5
#4 0x00007fd4714f8b38 in () at /usr/lib/libQt5DBus.so.5
#5 0x00007fd4714fd9ac in QDBusInterface::QDBusInterface(QString const&,
QString const&, QString const&, QDBusConnection const&, QObject*) () at
/usr/lib/libQt5DBus.so.5
#6 0x00007fd35804e975 in KTp::GlobalPresence::GlobalPresence(QObject*) () at
/usr/lib/libKTpCommonInternals.so.9
#7 0x00007fd3ec84ddf0 in () at
/usr/lib/qt/plugins/kf5/krunner/krunner_ktp_contacts.so
#8 0x00007fd3ec84f6c0 in () at
/usr/lib/qt/plugins/kf5/krunner/krunner_ktp_contacts.so
#9 0x00007fd471413d95 in KPluginFactory::create(char const*, QWidget*,
QObject*, QList<QVariant> const&, QString const&)
(this=this@entry=0x55763a5b1bb0, iface=0x7fd3b4158990
<qt_meta_stringdata_Plasma__AbstractRunner+336> "Plasma::AbstractRunner",
parentWidget=parentWidget@entry=0x0, parent=parent@entry=0x7fd3484a75a0,
args=..., keyword=...) at kcoreaddons/src/lib/plugin/kpluginfactory.cpp:232
#10 0x00007fd3b41516e5 in
KPluginFactory::create<Plasma::AbstractRunner>(QObject*, QList<QVariant>
const&) (args=..., parent=0x7fd3484a75a0, this=0x55763a5b1bb0) at
/usr/include/KF5/KCoreAddons/kpluginfactory.h:922
#11 KPluginFactory::instantiatePlugin<Plasma::AbstractRunner>(KPluginMetaData
const&, QObject*, QList<QVariant> const&) (data=..., parent=0x7fd3484a75a0,
args=...) at /usr/include/KF5/KCoreAddons/kpluginfactory.h:509
#12 0x00007fd3b41526e7 in
Plasma::RunnerManagerPrivate::loadInstalledRunner(KPluginMetaData const&)
(this=this@entry=0x7fd45c016d80, pluginMetaData=...) at
krunner/src/runnermanager.cpp:302
#13 0x00007fd3b415474f in Plasma::RunnerManagerPrivate::loadRunners(QString
const&) (this=0x7fd45c016d80, singleRunnerId=...) at
krunner/src/runnermanager.cpp:210
#14 0x00007fd3b414ea04 in Plasma::RunnerManager::launchQuery(QString const&,
QString const&) (this=0x7fd3484a75a0, untrimmedTerm=<optimized out>,
runnerName=...) at krunner/src/runnermanager.cpp:968
#15 0x00007fd3b414ea9a in Plasma::RunnerManager::launchQuery(QString const&)
(this=<optimized out>, term=<optimized out>) at
krunner/src/runnermanager.cpp:942
#16 0x00007fd470ace463 in () at /usr/lib/libQt5Core.so.5
#17 0x00007fd470ad069f in QTimer::timeout(QTimer::QPrivateSignal) () at
/usr/lib/libQt5Core.so.5
#18 0x00007fd470ac1766 in QObject::event(QEvent*) () at
/usr/lib/libQt5Core.so.5
#19 0x00007fd47173d1c6 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#20 0x00007fd470a9d5aa in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#21 0x00007fd470ae8dd5 in QTimerInfoList::activateTimers() () at
/usr/lib/libQt5Core.so.5
#22 0x00007fd470ae93ba in () at /usr/lib/libQt5Core.so.5
#23 0x00007fd46edf9163 in g_main_context_dispatch () at
/usr/lib/libglib-2.0.so.0
#24 0x00007fd46ee4f9e9 in () at /usr/lib/libglib-2.0.so.0
#25 0x00007fd46edf66c5 in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#26 0x00007fd470ae957a in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#27 0x00007fd470a9588b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#28 0x00007fd470aa0fd7 in QCoreApplication::exec() () at
/usr/lib/libQt5Core.so.5
#29 0x0000557635d8e3f2 in main(int, char**) (argc=<optimized out>,
argv=<optimized out>) at plasma-workspace/shell/main.cpp:243
```
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