Bug 395638

Summary:	Sometimes unable to search "lock screen" in the system settings.
Product:	[Applications] systemsettings	Reporter:	philipp.groene
Component:	general	Assignee:	Plasma Bugs List <plasma-bugs-null>
Status:	RESOLVED DUPLICATE
Severity:	crash	CC:	christermad
Priority:	NOR	Keywords:	drkonqi
Version First Reported In:	5.12.5
Target Milestone:	---
Platform:	Debian unstable
OS:	Linux
Latest Commit:		Version Fixed In:
Sentry Crash Report:
Attachments:	New crash information added by DrKonqi

Description philipp.groene 2018-06-20 07:41:58 UTC

Application: systemsettings5 (5.12.5)

Qt Version: 5.10.1
Frameworks Version: 5.47.0
Operating System: Linux 4.16.0-2-amd64 x86_64
Distribution: Debian GNU/Linux unstable (sid)

-- Information about the crash:
- What I was doing when the application crashed:
Attempting to type "lock screen" in the system setting search bar. Crashes repeatetly at typing the "r". Not always reproducable.

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fbb2cf39c80 (LWP 5336))]

Thread 11 (Thread 0x7fbacb7fe700 (LWP 7625)):
#0  0x00007fbb28994094 in read () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007fbb204faf55 in ?? () from /usr/lib/x86_64-linux-gnu/libnvidia-tls.so.340.106
#2  0x00007fbb224a6960 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fbb22461f27 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fbb224623e0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fbb224627d2 in g_main_loop_run () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fbaf3d30e26 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#7  0x00007fbb22489e05 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007fbb24b035aa in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007fbb289a2cbf in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 10 (Thread 0x7fbadbc9e700 (LWP 7624)):
#0  0x00007fbb2245f35d in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fbb22461d62 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fbb224623e0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fbb2246254c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fbb22462591 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fbb22489e05 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fbb24b035aa in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#7  0x00007fbb289a2cbf in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 9 (Thread 0x7fbaca9e6700 (LWP 6292)):
#0  0x00007fbb28994094 in read () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007fbb204faf55 in ?? () from /usr/lib/x86_64-linux-gnu/libnvidia-tls.so.340.106
#2  0x00007fbb224a6960 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fbb22461f27 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fbb224623e0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fbb2246254c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fbb292d81bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fbb2927bb6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fbb290917ea in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fbb29096b4f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fbb24b035aa in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007fbb289a2cbf in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 8 (Thread 0x7fbacbfff700 (LWP 6290)):
#0  0x00007fbb22461d83 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fbb224623e0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fbb2246254c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fbb292d81bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fbb2927bb6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fbb290917ea in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fbb29096b4f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fbb24b035aa in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#8  0x00007fbb289a2cbf in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 7 (Thread 0x7fbad9647700 (LWP 6289)):
#0  0x00007fbb289985d9 in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007fbb22462439 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fbb2246254c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fbb292d81bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fbb2927bb6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fbb290917ea in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fbb29096b4f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fbb24b035aa in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#8  0x00007fbb289a2cbf in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 6 (Thread 0x7fbaf2d44700 (LWP 5574)):
#0  0x00007fbb2908deec in QMutex::lock() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007fbb292d85cb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fbb22461e51 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fbb224623e0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fbb2246254c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fbb292d81bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fbb2927bb6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fbb290917ea in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fbb26be0885 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007fbb29096b4f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fbb24b035aa in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007fbb289a2cbf in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 5 (Thread 0x7fbafb070700 (LWP 5342)):
#0  0x00007fbb22461f2d in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fbb224623e0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fbb2246254c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fbb292d81bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fbb2927bb6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fbb290917ea in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fbb26be0885 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fbb29096b4f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fbb24b035aa in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007fbb289a2cbf in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 4 (Thread 0x7fbb0346a700 (LWP 5341)):
#0  0x00007fbb292d811d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007fbb22461998 in g_main_context_prepare () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fbb2246236b in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fbb2246254c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fbb292d81bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fbb2927bb6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fbb290917ea in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fbb26be0885 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fbb29096b4f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fbb24b035aa in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#10 0x00007fbb289a2cbf in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 3 (Thread 0x7fbb0dcb5700 (LWP 5339)):
#0  0x00007fbb204faed5 in ?? () from /usr/lib/x86_64-linux-gnu/libnvidia-tls.so.340.106
#1  0x00007fbb224a6960 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fbb22461f27 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fbb224623e0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fbb2246254c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fbb292d81bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fbb2927bb6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fbb290917ea in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fbb2abc7df5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#9  0x00007fbb29096b4f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fbb24b035aa in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007fbb289a2cbf in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 2 (Thread 0x7fbb1735c700 (LWP 5338)):
#0  0x00007fbb289985d9 in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007fbb2468f0f7 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fbb24690d1a in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fbb1a10cb19 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007fbb29096b4f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fbb24b035aa in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fbb289a2cbf in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 1 (Thread 0x7fbb2cf39c80 (LWP 5336)):
[KCrash Handler]
#6  0x00007fbb2927d8a0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fbb270ef4d5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007fbb270ef15d in QQuickItemPrivate::filterKeyEvent(QKeyEvent*, bool) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#9  0x00007fbb270fb8b5 in QQuickItemPrivate::deliverKeyEvent(QKeyEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#10 0x00007fbb270fbc05 in QQuickItem::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007fbb2a26e6cc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#12 0x00007fbb2a275e84 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#13 0x00007fbb2927d938 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007fbb27107478 in QQuickWindowPrivate::deliverKeyEvent(QKeyEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#15 0x00007fbb2710c5bf in QQuickWindow::keyReleaseEvent(QKeyEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#16 0x00007fbb29a894c5 in QWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#17 0x00007fbb27116235 in QQuickWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#18 0x00007fbb2a26e6cc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#19 0x00007fbb2a275e84 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007fbb2927d938 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007fbb277970ac in QQuickWidget::keyReleaseEvent(QKeyEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5QuickWidgets.so.5
#22 0x00007fbb2a2ad378 in QWidget::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#23 0x00007fbb2779898b in QQuickWidget::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5QuickWidgets.so.5
#24 0x00007fbb2a26e6cc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#25 0x00007fbb2a2773c2 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#26 0x00007fbb2927d938 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007fbb2a2caaf4 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#28 0x00007fbb2a26e6cc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#29 0x00007fbb2a275e84 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#30 0x00007fbb2927d938 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#31 0x00007fbb29a7a090 in QGuiApplicationPrivate::processKeyEvent(QWindowSystemInterfacePrivate::KeyEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#32 0x00007fbb29a7f0b5 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#33 0x00007fbb29a5703b in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#34 0x00007fbb1a1912cb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#35 0x00007fbb2927bb6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#36 0x00007fbb29284ed4 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#37 0x000055e38b5c1e44 in ?? ()
#38 0x00007fbb288cda87 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
#39 0x000055e38b5c1eca in _start ()

Possible duplicates by query: bug 395212, bug 394861, bug 394350, bug 393598, bug 393513.

Reported using DrKonqi

Comment 1 Christoph Feck 2018-07-18 19:49:29 UTC


*** This bug has been marked as a duplicate of bug 388414 ***

Comment 2 christermad 2018-08-01 23:17:11 UTC

Created attachment 114262 [details]
New crash information added by DrKonqi

systemsettings5 (5.12.2) using Qt 5.9.2

- What I was doing when the application crashed:

I was typing (or trying to type rather) "lock screen" and it crashed.
It's kind of random. Happened in the past, but not every time.

-- Backtrace (Reduced):
#6  0x00007feee715e1c0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
[...]
#8  0x00007feee5009d3a in QQuickItemPrivate::deliverKeyEvent(QKeyEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#9  0x00007feee500a0c5 in QQuickItem::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#10 0x00007feee810d63c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#11 0x00007feee8114f04 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5