Bug 400390

Application: systemsettings5 (5.14.2)

Qt Version: 5.11.2
Frameworks Version: 5.51.0
Operating System: Linux 4.19.0-041900-generic x86_64
Distribution: KDE neon User Edition 5.14

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

Viewing the Applications section of System Settings, I believe at the time I was viewing Launch Feedback.

The crash does not seem to be reproducible.

-- 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 0x7f8a8a1f6840 (LWP 15806))]

Thread 7 (Thread 0x7f8a3965e700 (LWP 15875)):
#0  0x00007f8a857f90b4 in __GI___libc_read (fd=28, buf=0x7f8a3965db30, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f8a7eb97a00 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8a7eb52f27 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8a7eb533e0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f8a7eb5354c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f8a8613853b in QEventDispatcherGlib::processEvents (this=0x7f8a34002340, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0x00007f8a860dc7fa in QEventLoop::exec (this=this@entry=0x7f8a3965dd40, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#7  0x00007f8a85f07bba in QThread::exec (this=this@entry=0x557e90bf6fe0) at thread/qthread.cpp:525
#8  0x00007f8a841494f5 in QQmlThreadPrivate::run (this=0x557e90bf6fe0) at qml/ftw/qqmlthread.cpp:148
#9  0x00007f8a85f12adb in QThreadPrivate::start (arg=0x557e90bf6fe0) at thread/qthread_unix.cpp:367
#10 0x00007f8a80f116db in start_thread (arg=0x7f8a3965e700) at pthread_create.c:463
#11 0x00007f8a8580a88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f8a4b659700 (LWP 15823)):
#0  0x00007f8a857fdbf9 in __GI___poll (fds=0x557e8eb3e260, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f8a7eb53439 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8a7eb537d2 in g_main_loop_run () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8a53410f66 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f8a7eb7ae85 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f8a80f116db in start_thread (arg=0x7f8a4b659700) at pthread_create.c:463
#6  0x00007f8a8580a88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f8a4be5a700 (LWP 15822)):
#0  0x00007f8a857f90b4 in __GI___libc_read (fd=24, buf=0x7f8a4be59ca0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f8a7eb97a00 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8a7eb52f27 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8a7eb533e0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f8a7eb5354c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f8a7eb53591 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f8a7eb7ae85 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f8a80f116db in start_thread (arg=0x7f8a4be5a700) at pthread_create.c:463
#8  0x00007f8a8580a88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f8a65f0d700 (LWP 15809)):
#0  0x00007f8a80f179f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x557e8e433d0c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x557e8e433cb8, cond=0x557e8e433ce0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x557e8e433ce0, mutex=0x557e8e433cb8) at pthread_cond_wait.c:655
#3  0x00007f8a672b006b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f8a672afd77 in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f8a80f116db in start_thread (arg=0x7f8a65f0d700) at pthread_create.c:463
#6  0x00007f8a8580a88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f8a6e2c4700 (LWP 15808)):
#0  0x00007f8a857fdbf9 in __GI___poll (fds=0x7f8a68012eb0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f8a7eb53439 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8a7eb5354c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8a8613853b in QEventDispatcherGlib::processEvents (this=0x7f8a68000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f8a860dc7fa in QEventLoop::exec (this=this@entry=0x7f8a6e2c3d30, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#5  0x00007f8a85f07bba in QThread::exec (this=<optimized out>) at thread/qthread.cpp:525
#6  0x00007f8a86580e45 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f8a85f12adb in QThreadPrivate::start (arg=0x7f8a867f8d60) at thread/qthread_unix.cpp:367
#8  0x00007f8a80f116db in start_thread (arg=0x7f8a6e2c4700) at pthread_create.c:463
#9  0x00007f8a8580a88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f8a76b3d700 (LWP 15807)):
#0  0x00007f8a857fdbf9 in __GI___poll (fds=0x7f8a76b3cc68, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f8a80ad5747 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f8a80ad736a in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f8a794d3ed9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f8a85f12adb in QThreadPrivate::start (arg=0x557e8e3c2400) at thread/qthread_unix.cpp:367
#5  0x00007f8a80f116db in start_thread (arg=0x7f8a76b3d700) at pthread_create.c:463
#6  0x00007f8a8580a88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f8a8a1f6840 (LWP 15806)):
[KCrash Handler]
#6  KQuickAddons::ConfigModule::needsSave (this=0x7974696361706f) at ./src/quickaddons/configmodule.cpp:337
#7  0x00007f8a89bd272b in KCModuleQml::<lambda()>::operator() (__closure=<optimized out>) at ./src/kcmoduleqml.cpp:72
#8  QtPrivate::FunctorCall<QtPrivate::IndexesList<>, QtPrivate::List<>, void, KCModuleQml::KCModuleQml(KQuickAddons::ConfigModule*, QWidget*, const QVariantList&)::<lambda()> >::call (arg=<optimized out>, f=...) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:128
#9  QtPrivate::Functor<KCModuleQml::KCModuleQml(KQuickAddons::ConfigModule*, QWidget*, const QVariantList&)::<lambda()>, 0>::call<QtPrivate::List<>, void> (arg=<optimized out>, f=...) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:238
#10 QtPrivate::QFunctorSlotObject<KCModuleQml::KCModuleQml(KQuickAddons::ConfigModule*, QWidget*, const QVariantList&)::<lambda()>, 0, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *, void **, bool *) (which=<optimized out>, this_=<optimized out>, r=<optimized out>, a=<optimized out>, ret=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:421
#11 0x00007f8a8610d67f in QtPrivate::QSlotObjectBase::call (a=0x7fff92d2f4a0, r=0x557e92fa7510, this=0x557e93e1b720) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:376
#12 QMetaObject::activate (sender=0x557e92fa7510, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3754
#13 0x00007f8a2cc28b84 in LaunchFeedback::updateNeedsSave (this=0x557e92fa7510) at ./kcms/launch/launchfeedback.cpp:199
#14 0x00007f8a2cc2b253 in LaunchFeedback::qt_metacall (this=0x557e92fa7510, _c=QMetaObject::WriteProperty, _id=0, _a=0x7fff92d2f660) at ./obj-x86_64-linux-gnu/kcms/launch/kcm_launchfeedback_autogen/EWIEGA46WW/moc_launchfeedback.cpp:202
#15 0x00007f8a840606aa in QV4::QObjectWrapper::setProperty (engine=engine@entry=0x557e90bd8720, object=object@entry=0x557e92fa7510, property=0x557e937400d8, value=...) at jsruntime/qv4qobjectwrapper.cpp:528
#16 0x00007f8a840611be in QV4::QObjectWrapper::setQmlProperty (engine=0x557e90bd8720, qmlContext=<optimized out>, object=0x557e92fa7510, name=<optimized out>, revisionMode=QV4::QObjectWrapper::IgnoreRevision, value=...) at jsruntime/qv4qobjectwrapper.cpp:429
#17 0x00007f8a840612cb in QV4::QObjectWrapper::put (m=0x7f8a381df398, name=0x7f8a381df390, value=...) at jsruntime/qv4qobjectwrapper.cpp:706
#18 0x00007f8a84073f92 in QV4::Object::put (v=..., name=<optimized out>, this=<optimized out>) at jsruntime/qv4object_p.h:370
#19 QV4::Runtime::method_storeProperty (engine=engine@entry=0x557e90bd8720, object=..., nameIndex=<optimized out>, value=...) at jsruntime/qv4runtime.cpp:549
#20 0x00007f8a8407f5b9 in storePropertyHelper (f=0x557e93e34c30, base=..., name=<optimized out>, value=...) at jit/qv4jit.cpp:368
#21 0x00007f8a6c04391d in ?? ()
#22 0x0000557e93e34c30 in ?? ()
#23 0x00007f8a381df328 in ?? ()
#24 0x0000557e90bd8720 in ?? ()
#25 0x0000000000000000 in ?? ()

The reporter indicates this bug may be a duplicate of or related to bug 397894.

Possible duplicates by query: bug 398640, bug 397894.

Reported using DrKonqi