Bug 390746

Summary: Plasma crashed after trying Arch Updater applet from AUR.
Product: [Plasma] plasmashell Reporter: François Warnet <frawarnet>
Component: generalAssignee: David Edmundson <kde>
Status: RESOLVED DOWNSTREAM    
Severity: crash CC: arojas, plasma-bugs-null
Priority: NOR Keywords: drkonqi
Version First Reported In: 5.12.1   
Target Milestone: 1.0   
Platform: Arch Linux   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description François Warnet 2018-02-19 17:16:44 UTC 
Application: plasmashell (5.12.1)

Qt Version: 5.10.1
Frameworks Version: 5.43.0
Operating System: Linux 4.15.3-2-ARCH x86_64
Distribution: "Arch Linux"

-- Information about the crash:
- What I was doing when the application crashed:

I simply clicked the Update System in the Arch Updater applet. The system froze for a few seconds then Plasma crashed.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f6dcdf14800 (LWP 1124))]

Thread 26 (Thread 0x7f6cab071700 (LWP 4648)):
#0  0x00007f6dc6c733bd in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6dc7aba02c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f6dcb90a41a in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007f6dcb90a8a4 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f6dc7ab8b4d in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6dc6c6d08c in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f6dc73c0e7f in clone () at /usr/lib/libc.so.6

Thread 25 (Thread 0x7f6c9c467700 (LWP 4647)):
[KCrash Handler]
#5  0x00007f6cb599f0e6 in  () at /usr/lib/qt/qml/org/kde/private/archUpdate/libplasmoidplugin.so
#6  0x00007f6cb59a23f5 in  () at /usr/lib/qt/qml/org/kde/private/archUpdate/libplasmoidplugin.so
#7  0x00007f6dc7cd7112 in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5
#8  0x00007f6dc8cadfec in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#9  0x00007f6dc8cb59c6 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#10 0x00007f6dc7ca5da0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#11 0x00007f6dc7ca8a06 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#12 0x00007f6dc7d02d04 in  () at /usr/lib/libQt5Core.so.5
#13 0x00007f6dc1c4de38 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#14 0x00007f6dc1c4e081 in  () at /usr/lib/libglib-2.0.so.0
#15 0x00007f6dc1c4e10e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#16 0x00007f6dc7d022f1 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#17 0x00007f6dc7ca43db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#18 0x00007f6dc7ab37ae in QThread::exec() () at /usr/lib/libQt5Core.so.5
#19 0x00007f6dc7ab8b4d in  () at /usr/lib/libQt5Core.so.5
#20 0x00007f6dc6c6d08c in start_thread () at /usr/lib/libpthread.so.0
#21 0x00007f6dc73c0e7f in clone () at /usr/lib/libc.so.6

Thread 24 (Thread 0x7f6c9ce75700 (LWP 4646)):
#0  0x00007f6dc73b697b in poll () at /usr/lib/libc.so.6
#1  0x00007f6dc1c4dff3 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f6dc1c4e10e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f6dc7d02314 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f6dc7ca43db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f6dc7ab37ae in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f6dc7ab8b4d in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f6dc6c6d08c in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f6dc73c0e7f in clone () at /usr/lib/libc.so.6

Thread 23 (Thread 0x7f6c9e4d5700 (LWP 4645)):
#0  0x00007ffd0c5e5be6 in clock_gettime ()
#1  0x00007f6dc73ce746 in clock_gettime () at /usr/lib/libc.so.6
#2  0x00007f6dc7d01c02 in  () at /usr/lib/libQt5Core.so.5
#3  0x00007f6dc7d0039a in QTimerInfoList::updateCurrentTime() () at /usr/lib/libQt5Core.so.5
#4  0x00007f6dc7d00976 in QTimerInfoList::timerWait(timespec&) () at /usr/lib/libQt5Core.so.5
#5  0x00007f6dc7d0205f in  () at /usr/lib/libQt5Core.so.5
#6  0x00007f6dc1c4d519 in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#7  0x00007f6dc1c4df1e in  () at /usr/lib/libglib-2.0.so.0
#8  0x00007f6dc1c4e10e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#9  0x00007f6dc7d02314 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#10 0x00007f6dc7ca43db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#11 0x00007f6dc7ab37ae in QThread::exec() () at /usr/lib/libQt5Core.so.5
#12 0x00007f6dc7ab8b4d in  () at /usr/lib/libQt5Core.so.5
#13 0x00007f6dc6c6d08c in start_thread () at /usr/lib/libpthread.so.0
#14 0x00007f6dc73c0e7f in clone () at /usr/lib/libc.so.6

Thread 22 (Thread 0x7f6c9ac64700 (LWP 4593)):
#0  0x00007ffd0c5e5be6 in clock_gettime ()
#1  0x00007f6dc73ce746 in clock_gettime () at /usr/lib/libc.so.6
#2  0x00007f6dc7d01c02 in  () at /usr/lib/libQt5Core.so.5
#3  0x00007f6dc7d0039a in QTimerInfoList::updateCurrentTime() () at /usr/lib/libQt5Core.so.5
#4  0x00007f6dc7d00976 in QTimerInfoList::timerWait(timespec&) () at /usr/lib/libQt5Core.so.5
#5  0x00007f6dc7d0205f in  () at /usr/lib/libQt5Core.so.5
#6  0x00007f6dc1c4d519 in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#7  0x00007f6dc1c4df1e in  () at /usr/lib/libglib-2.0.so.0
#8  0x00007f6dc1c4e10e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#9  0x00007f6dc7d02314 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#10 0x00007f6dc7ca43db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#11 0x00007f6dc7ab37ae in QThread::exec() () at /usr/lib/libQt5Core.so.5
#12 0x00007f6dc7ab8b4d in  () at /usr/lib/libQt5Core.so.5
#13 0x00007f6dc6c6d08c in start_thread () at /usr/lib/libpthread.so.0
#14 0x00007f6dc73c0e7f in clone () at /usr/lib/libc.so.6

Thread 21 (Thread 0x7f6c9d676700 (LWP 4591)):
#0  0x00007f6dc6c733bd in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6dc7aba02c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f6dcb90a41a in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007f6dcb90a8a4 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f6dc7ab8b4d in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6dc6c6d08c in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f6dc73c0e7f in clone () at /usr/lib/libc.so.6

Thread 20 (Thread 0x7f6cb406b700 (LWP 2826)):
#0  0x00007ffd0c5e5be6 in clock_gettime ()
#1  0x00007f6dc73ce746 in clock_gettime () at /usr/lib/libc.so.6
#2  0x00007f6dc7d01c02 in  () at /usr/lib/libQt5Core.so.5
#3  0x00007f6dc7d0039a in QTimerInfoList::updateCurrentTime() () at /usr/lib/libQt5Core.so.5
#4  0x00007f6dc7d00976 in QTimerInfoList::timerWait(timespec&) () at /usr/lib/libQt5Core.so.5
#5  0x00007f6dc7d026ad in  () at /usr/lib/libQt5Core.so.5
#6  0x00007f6dc1c4d519 in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#7  0x00007f6dc1c4df1e in  () at /usr/lib/libglib-2.0.so.0
#8  0x00007f6dc1c4e10e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#9  0x00007f6dc7d02314 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#10 0x00007f6dc7ca43db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#11 0x00007f6dc7ab37ae in QThread::exec() () at /usr/lib/libQt5Core.so.5
#12 0x00007f6dc7ab8b4d in  () at /usr/lib/libQt5Core.so.5
#13 0x00007f6dc6c6d08c in start_thread () at /usr/lib/libpthread.so.0
#14 0x00007f6dc73c0e7f in clone () at /usr/lib/libc.so.6

Thread 19 (Thread 0x7f6cb486c700 (LWP 2824)):
#0  0x00007f6dc1c94b79 in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0x00007f6dc1c4d525 in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#2  0x00007f6dc1c4df1e in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f6dc1c4e10e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007f6dc7d02314 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f6dc7ca43db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f6dc7ab37ae in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007f6dc7ab8b4d in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f6dc6c6d08c in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f6dc73c0e7f in clone () at /usr/lib/libc.so.6

Thread 18 (Thread 0x7f6cb506d700 (LWP 1554)):
#0  0x00007f6dc6c733bd in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6dc7aba02c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f6dcb90a41a in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007f6dcb90a8a4 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f6dc7ab8b4d in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6dc6c6d08c in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f6dc73c0e7f in clone () at /usr/lib/libc.so.6

Thread 17 (Thread 0x7f6cb586e700 (LWP 1553)):
#0  0x00007f6dc6c733bd in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6dc7aba02c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f6dcb90a41a in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007f6dcb90a8a4 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f6dc7ab8b4d in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6dc6c6d08c in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f6dc73c0e7f in clone () at /usr/lib/libc.so.6

Thread 16 (Thread 0x7f6cc79fe700 (LWP 1552)):
#0  0x00007f6dc6c733bd in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6dc7aba02c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f6dcb90a41a in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007f6dcb90a8a4 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f6dc7ab8b4d in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6dc6c6d08c in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f6dc73c0e7f in clone () at /usr/lib/libc.so.6

Thread 15 (Thread 0x7f6cb8817700 (LWP 1551)):
#0  0x00007f6dc6c733bd in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6dc7aba02c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f6dcb90a41a in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007f6dcb90a8a4 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f6dc7ab8b4d in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6dc6c6d08c in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f6dc73c0e7f in clone () at /usr/lib/libc.so.6

Thread 14 (Thread 0x7f6cb9419700 (LWP 1282)):
#0  0x00007f6dc6c733bd in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6dc7aba02c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f6dcb90a41a in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007f6dcb90a8a4 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f6dc7ab8b4d in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6dc6c6d08c in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f6dc73c0e7f in clone () at /usr/lib/libc.so.6

Thread 13 (Thread 0x7f6cc1c1a700 (LWP 1259)):
#0  0x00007f6dc6c733bd in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6dc7aba02c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f6dcb90a41a in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007f6dcb90a8a4 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f6dc7ab8b4d in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6dc6c6d08c in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f6dc73c0e7f in clone () at /usr/lib/libc.so.6

Thread 12 (Thread 0x7f6ccf815700 (LWP 1250)):
#0  0x00007f6dc6c733bd in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6dc7aba02c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f6dcb90a41a in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007f6dcb90a8a4 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f6dc7ab8b4d in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6dc6c6d08c in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f6dc73c0e7f in clone () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7f6cd524f700 (LWP 1249)):
#0  0x00007ffd0c5e5be6 in clock_gettime ()
#1  0x00007f6dc73ce746 in clock_gettime () at /usr/lib/libc.so.6
#2  0x00007f6dc7d01c02 in  () at /usr/lib/libQt5Core.so.5
#3  0x00007f6dc7d0039a in QTimerInfoList::updateCurrentTime() () at /usr/lib/libQt5Core.so.5
#4  0x00007f6dc7d00976 in QTimerInfoList::timerWait(timespec&) () at /usr/lib/libQt5Core.so.5
#5  0x00007f6dc7d0205f in  () at /usr/lib/libQt5Core.so.5
#6  0x00007f6dc1c4d519 in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#7  0x00007f6dc1c4df1e in  () at /usr/lib/libglib-2.0.so.0
#8  0x00007f6dc1c4e10e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#9  0x00007f6dc7d02314 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#10 0x00007f6dc7ca43db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#11 0x00007f6dc7ab37ae in QThread::exec() () at /usr/lib/libQt5Core.so.5
#12 0x00007f6dcb88850b in  () at /usr/lib/libQt5Quick.so.5
#13 0x00007f6dc7ab8b4d in  () at /usr/lib/libQt5Core.so.5
#14 0x00007f6dc6c6d08c in start_thread () at /usr/lib/libpthread.so.0
#15 0x00007f6dc73c0e7f in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7f6cd7598700 (LWP 1247)):
#0  0x00007ffd0c5e5be6 in clock_gettime ()
#1  0x00007f6dc73ce746 in clock_gettime () at /usr/lib/libc.so.6
#2  0x00007f6dc7d01c02 in  () at /usr/lib/libQt5Core.so.5
#3  0x00007f6dc7d0039a in QTimerInfoList::updateCurrentTime() () at /usr/lib/libQt5Core.so.5
#4  0x00007f6dc7d01fbe in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6dc1c4d9fa in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#6  0x00007f6dc1c4df96 in  () at /usr/lib/libglib-2.0.so.0
#7  0x00007f6dc1c4e10e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#8  0x00007f6dc7d02314 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#9  0x00007f6dc7ca43db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#10 0x00007f6dc7ab37ae in QThread::exec() () at /usr/lib/libQt5Core.so.5
#11 0x00007f6cdcdfe1ba in KCupsConnection::run() () at /usr/lib/libkcupslib.so
#12 0x00007f6dc7ab8b4d in  () at /usr/lib/libQt5Core.so.5
#13 0x00007f6dc6c6d08c in start_thread () at /usr/lib/libpthread.so.0
#14 0x00007f6dc73c0e7f in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7f6cdf220700 (LWP 1246)):
#0  0x00007f6dc73b697b in poll () at /usr/lib/libc.so.6
#1  0x00007f6dc1c4dff3 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f6dc1c4e10e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f6dc7d02314 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f6dc7ca43db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f6dc7ab37ae in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f6dc7ab8b4d in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f6dc6c6d08c in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f6dc73c0e7f in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7f6cf0d88700 (LWP 1242)):
#0  0x00007f6dc6c733bd in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6dc7aba02c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f6dcb90a41a in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007f6dcb90a8a4 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f6dc7ab8b4d in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6dc6c6d08c in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f6dc73c0e7f in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7f6d0914c700 (LWP 1230)):
#0  0x00007f6dc6c733bd in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6dc77355bd in __gthread_cond_wait (__mutex=<optimized out>, __cond=<optimized out>) at /build/gcc/src/gcc-build/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
#2  0x00007f6dc77355bd in std::condition_variable::wait(std::unique_lock<std::mutex>&) (this=<optimized out>, __lock=...) at /build/gcc/src/gcc/libstdc++-v3/src/c++11/condition_variable.cc:53
#3  0x00007f6d0f366d09 in  () at /usr/lib/libQt5WebKit.so.5
#4  0x00007f6d0f366e59 in  () at /usr/lib/libQt5WebKit.so.5
#5  0x00007f6dc773bb9f in std::execute_native_thread_routine(void*) (__p=0x561e20beac20) at /build/gcc/src/gcc/libstdc++-v3/src/c++11/thread.cc:83
#6  0x00007f6dc6c6d08c in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007f6dc73c0e7f in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7f6da18ad700 (LWP 1220)):
#0  0x00007f6dc6c733bd in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6dcd5e5f77 in  () at /usr/lib/libQt5Script.so.5
#2  0x00007f6dcd5e5fb9 in  () at /usr/lib/libQt5Script.so.5
#3  0x00007f6dc6c6d08c in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f6dc73c0e7f in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f6dadb58700 (LWP 1188)):
#0  0x00007f6dc1c94b79 in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0x00007f6dc1c4ce62 in g_main_context_acquire () at /usr/lib/libglib-2.0.so.0
#2  0x00007f6dc1c4dea7 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f6dc1c4e10e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007f6dc7d02314 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f6dc7ca43db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f6dc7ab37ae in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007f6dcacca379 in  () at /usr/lib/libQt5Qml.so.5
#8  0x00007f6dc7ab8b4d in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f6dc6c6d08c in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f6dc73c0e7f in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f6daf5ef700 (LWP 1173)):
#0  0x00007ffd0c5e5be6 in clock_gettime ()
#1  0x00007f6dc73ce746 in clock_gettime () at /usr/lib/libc.so.6
#2  0x00007f6dc7d01c02 in  () at /usr/lib/libQt5Core.so.5
#3  0x00007f6dc7d0039a in QTimerInfoList::updateCurrentTime() () at /usr/lib/libQt5Core.so.5
#4  0x00007f6dc7d00976 in QTimerInfoList::timerWait(timespec&) () at /usr/lib/libQt5Core.so.5
#5  0x00007f6dc7d0205f in  () at /usr/lib/libQt5Core.so.5
#6  0x00007f6dc1c4d519 in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#7  0x00007f6dc1c4df1e in  () at /usr/lib/libglib-2.0.so.0
#8  0x00007f6dc1c4e10e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#9  0x00007f6dc7d02314 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#10 0x00007f6dc7ca43db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#11 0x00007f6dc7ab37ae in QThread::exec() () at /usr/lib/libQt5Core.so.5
#12 0x00007f6dcacca379 in  () at /usr/lib/libQt5Qml.so.5
#13 0x00007f6dc7ab8b4d in  () at /usr/lib/libQt5Core.so.5
#14 0x00007f6dc6c6d08c in start_thread () at /usr/lib/libpthread.so.0
#15 0x00007f6dc73c0e7f in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f6db50f4700 (LWP 1161)):
#0  0x00007f6dc73b697b in poll () at /usr/lib/libc.so.6
#1  0x00007f6dc1c4dff3 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f6dc1c4e10e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f6dc7d02314 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f6dc7ca43db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f6dc7ab37ae in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f6dc8125416 in  () at /usr/lib/libQt5DBus.so.5
#7  0x00007f6dc7ab8b4d in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f6dc6c6d08c in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f6dc73c0e7f in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f6db74dc700 (LWP 1147)):
#0  0x00007f6dc73b697b in poll () at /usr/lib/libc.so.6
#1  0x00007f6dcc4db8e0 in  () at /usr/lib/libxcb.so.1
#2  0x00007f6dcc4dd679 in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007f6db9c6482a in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007f6dc7ab8b4d in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6dc6c6d08c in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f6dc73c0e7f in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f6dcdf14800 (LWP 1124)):
#0  0x00007f6dc6c733bd in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6dcc4dbb57 in  () at /usr/lib/libxcb.so.1
#2  0x00007f6dcc4dd39f in  () at /usr/lib/libxcb.so.1
#3  0x00007f6dcc4dd511 in xcb_wait_for_reply64 () at /usr/lib/libxcb.so.1
#4  0x00007f6dcc73a4d8 in _XReply () at /usr/lib/libX11.so.6
#5  0x00007f6dbecfa27a in XSyncQueryCounter () at /usr/lib/libXext.so.6
#6  0x00007f6cd54b91d5 in  () at /usr/lib/qt/plugins/kf5/org.kde.kidletime.platforms/KF5IdleTimeXcbPlugin0.so
#7  0x00007f6cd5d0f5be in  () at /usr/lib/qt/plugins/plasma/dataengine/plasma_engine_powermanagement.so
#8  0x00007f6dcc042b39 in  () at /usr/lib/libKF5Plasma.so.5
#9  0x00007f6dcc047b10 in  () at /usr/lib/libKF5Plasma.so.5
#10 0x00007f6dc7cd66c6 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#11 0x00007f6dcc03b983 in Plasma::DataContainer::updateRequested(Plasma::DataContainer*) () at /usr/lib/libKF5Plasma.so.5
#12 0x00007f6dcc05ae49 in  () at /usr/lib/libKF5Plasma.so.5
#13 0x00007f6dc7cd70cb in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5
#14 0x00007f6dc8cadfec in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#15 0x00007f6dc8cb59c6 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#16 0x00007f6dc7ca5da0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#17 0x00007f6dc7d01738 in QTimerInfoList::activateTimers() () at /usr/lib/libQt5Core.so.5
#18 0x00007f6dc7d01f32 in  () at /usr/lib/libQt5Core.so.5
#19 0x00007f6dc1c4de38 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#20 0x00007f6dc1c4e081 in  () at /usr/lib/libglib-2.0.so.0
#21 0x00007f6dc1c4e10e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#22 0x00007f6dc7d022f1 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#23 0x00007f6db9cec482 in  () at /usr/lib/libQt5XcbQpa.so.5
#24 0x00007f6dc7ca43db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#25 0x00007f6dc7cad7d8 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#26 0x0000561e1fcf0743 in  ()
#27 0x00007f6dc72ebf4a in __libc_start_main () at /usr/lib/libc.so.6
#28 0x0000561e1fcf0afa in _start ()

Reported using DrKonqi
Comment 1 Antonio Rojas 2018-02-19 18:22:42 UTC 
Please report this to the Arch Updater developers.