Bug 394678

Application: plasma-discover (5.12.5)

Qt Version: 5.9.5
Frameworks Version: 5.44.0
Operating System: Linux 4.15.0-22-generic x86_64
Distribution: Ubuntu 18.04 LTS

-- Information about the crash:
- What I was doing when the application crashed: Just browsing applications to install.  Specifically multimedia applications whes Discover crashed. OS: Kubuntu 18.04.

-- Backtrace:
Application: Avastusretk (plasma-discover), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f10af08a800 (LWP 3624))]

Thread 10 (Thread 0x7f10625f5700 (LWP 3641)):
#0  0x00007f10a4e89cd9 in g_mutex_lock () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f10a4e43c8f in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f10a4e443e0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f10a4e4454c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f10aafa090b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f10aaf459ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f10aad6422a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f10aad6916d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f10a6f716db in start_thread (arg=0x7f10625f5700) at pthread_create.c:463
#9  0x00007f10aa65f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f1063fff700 (LWP 3638)):
#0  0x00007f10a4e41312 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f10a4e43d62 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f10a4e443e0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f10a4e4454c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f10aafa090b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f10aaf459ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f10aad6422a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f10aad6916d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f10a6f716db in start_thread (arg=0x7f1063fff700) at pthread_create.c:463
#9  0x00007f10aa65f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f106a088700 (LWP 3636)):
#0  0x00007f10aa64e0b4 in __GI___libc_read (fd=17, buf=0x7f106a087b90, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f10a4e88960 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f10a4e43f27 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f10a4e443e0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f10a4e4454c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f10aafa090b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f10aaf459ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f10aad6422a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f10aad6916d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f10a6f716db in start_thread (arg=0x7f106a088700) at pthread_create.c:463
#10 0x00007f10aa65f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f107d88a700 (LWP 3634)):
#0  0x00007ffce0fb3970 in  ()
#1  0x00007ffce0fb3c30 in clock_gettime ()
#2  0x00007f10aa66eea6 in __GI___clock_gettime (clock_id=1, tp=0x7f107d889aa0) at ../sysdeps/unix/clock_gettime.c:115
#3  0x00007f10aafa0221 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f10aaf9ea59 in QTimerInfoList::updateCurrentTime() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f10aaf9f035 in QTimerInfoList::timerWait(timespec&) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f10aafa067e in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f10a4e43998 in g_main_context_prepare () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f10a4e4436b in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f10a4e4454c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f10aafa090b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f10aaf459ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f10aad6422a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f10ae1432a6 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#14 0x00007f10aad6916d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f10a6f716db in start_thread (arg=0x7f107d88a700) at pthread_create.c:463
#16 0x00007f10aa65f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f107fb50700 (LWP 3630)):
#0  0x00007f10a6f779f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ea058e59c4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f10a6f779f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55ea058e5970, cond=0x55ea058e5998) at pthread_cond_wait.c:502
#2  0x00007f10a6f779f3 in __pthread_cond_wait (cond=0x55ea058e5998, mutex=0x55ea058e5970) at pthread_cond_wait.c:655
#3  0x00007f1089707b7b in  () at /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#4  0x00007f10897078a7 in  () at /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#5  0x00007f10a6f716db in start_thread (arg=0x7f107fb50700) at pthread_create.c:463
#6  0x00007f10aa65f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f1080563700 (LWP 3629)):
#0  0x00007f10a6f779f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ea058e2fd8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f10a6f779f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55ea058e2f88, cond=0x55ea058e2fb0) at pthread_cond_wait.c:502
#2  0x00007f10a6f779f3 in __pthread_cond_wait (cond=0x55ea058e2fb0, mutex=0x55ea058e2f88) at pthread_cond_wait.c:655
#3  0x00007f1089707b7b in  () at /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#4  0x00007f10897078a7 in  () at /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#5  0x00007f10a6f716db in start_thread (arg=0x7f1080563700) at pthread_create.c:463
#6  0x00007f10aa65f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f1092499700 (LWP 3628)):
#0  0x00007f10aa652bf9 in __GI___poll (fds=0x7f1084004a00, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f10a4e44439 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f10a4e4454c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f10aafa090b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f10aaf459ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f10aad6422a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f10ab97a6f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f10aad6916d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f10a6f716db in start_thread (arg=0x7f1092499700) at pthread_create.c:463
#9  0x00007f10aa65f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f10936aa700 (LWP 3627)):
#0  0x00007f10aa652bf9 in __GI___poll (fds=0x7f108c018ff0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f10a4e44439 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f10a4e4454c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f10aafa090b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f10aaf459ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f10aad6422a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f10ac155d45 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f10aad6916d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f10a6f716db in start_thread (arg=0x7f10936aa700) at pthread_create.c:463
#9  0x00007f10aa65f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f109ca45700 (LWP 3626)):
#0  0x00007f10aa652bf9 in __GI___poll (fds=0x7f109ca44ca8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f10a4bdb747 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f10a4bdd36a in xcb_wait_for_event () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f109f7f22a9 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f10aad6916d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f10a6f716db in start_thread (arg=0x7f109ca45700) at pthread_create.c:463
#6  0x00007f10aa65f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f10af08a800 (LWP 3624)):
[KCrash Handler]
#6  0x00007f106bbddae9 in AppStream::Component::name() const () at /usr/lib/x86_64-linux-gnu/libAppStreamQt.so.2
#7  0x00007f106c06263e in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/discover/packagekit-backend.so
#8  0x00007f10addeac4d in AbstractResource::nameSortKey() () at /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#9  0x00007f10addde32f in ResourcesProxyModel::lessThan(AbstractResource*, AbstractResource*) const () at /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#10 0x00007f10adddeb39 in ResourcesProxyModel::sortedInsertion(QVector<AbstractResource*> const&) () at /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#11 0x00007f10adde066f in ResourcesProxyModel::refreshResource(AbstractResource*, QVector<QByteArray> const&) () at /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#12 0x00007f10aaf766cf in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f10addfac37 in ResourcesModel::resourceDataChanged(AbstractResource*, QVector<QByteArray> const&) () at /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#14 0x00007f10aaf766cf in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f10addfa987 in AbstractResourcesBackend::resourcesChanged(AbstractResource*, QVector<QByteArray> const&) () at /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#16 0x00007f10addea93e in AbstractResource::reportNewState() () at /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#17 0x00007f10aaf766cf in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f106c05b5d8 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/discover/packagekit-backend.so
#19 0x00007f106c0542cc in PackageKitBackend::addPackage(PackageKit::Transaction::Info, QString const&, QString const&, bool) () at /usr/lib/x86_64-linux-gnu/qt5/plugins/discover/packagekit-backend.so
#20 0x00007f10aaf766cf in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007f106be10d9b in PackageKit::Transaction::package(PackageKit::Transaction::Info, QString const&, QString const&) () at /usr/lib/x86_64-linux-gnu/libpackagekitqt5.so.1
#22 0x00007f106be133da in  () at /usr/lib/x86_64-linux-gnu/libpackagekitqt5.so.1
#23 0x00007f10aaf765b5 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007f106be244d5 in  () at /usr/lib/x86_64-linux-gnu/libpackagekitqt5.so.1
#25 0x00007f106be26705 in  () at /usr/lib/x86_64-linux-gnu/libpackagekitqt5.so.1
#26 0x00007f10ac1610f8 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#27 0x00007f10aaf77122 in QObject::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00007f10ad21b82c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#29 0x00007f10ad2230f4 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#30 0x00007f10aaf479a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#31 0x00007f10aaf4a11d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007f10aafa12c3 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x00007f10a4e44287 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007f10a4e444c0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007f10a4e4454c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007f10aafa08ef in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#37 0x00007f10aaf459ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#38 0x00007f10aaf4ea84 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#39 0x000055ea03e7cfc8 in  ()
#40 0x00007f10aa55fb97 in __libc_start_main (main=0x55ea03e7c6f0, argc=1, argv=0x7ffce0f90ea8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffce0f90e98) at ../csu/libc-start.c:310
#41 0x000055ea03e7d24a in _start ()

Reported using DrKonqi