Application: plasma-discover (5.12.8)

Qt Version: 5.9.5
Frameworks Version: 5.44.0
Operating System: Linux 4.15.0-112-generic x86_64
Distribution: Ubuntu 18.04.5 LTS

-- Information about the crash:
Je venais juste de démarrer l'ordi et j'ai voulu lancer les mises à jour.

The crash can be reproduced every time.

-- Backtrace:
Application: Discover (plasma-discover), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fd61bbf1800 (LWP 2332))]

Thread 10 (Thread 0x7fd5d75be700 (LWP 2341)):
#0  0x00007fd6171781c4 in __GI___libc_read (fd=32, buf=0x7fd5d75bdcd0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007fd6106a9f55 in  () at /usr/lib/x86_64-linux-gnu/tls/libnvidia-tls.so.340.108
#2  0x00007fd6118792b0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd6118340b7 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fd611834570 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fd611834962 in g_main_loop_run () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fd5dd657276 in  () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#7  0x00007fd61185c175 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007fd613a4f6db in start_thread (arg=0x7fd5d75be700) at pthread_create.c:463
#9  0x00007fd617189a3f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7fd5d7dbf700 (LWP 2340)):
#0  0x00007fd6171781c4 in __GI___libc_read (fd=20, buf=0x7fd5d7dbece0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007fd6106a9f55 in  () at /usr/lib/x86_64-linux-gnu/tls/libnvidia-tls.so.340.108
#2  0x00007fd6118792b0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd6118340b7 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fd611834570 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fd6118346dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fd611834721 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007fd61185c175 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007fd613a4f6db in start_thread (arg=0x7fd5d7dbf700) at pthread_create.c:463
#9  0x00007fd617189a3f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7fd5df09e700 (LWP 2339)):
#0  0x00007fd613a55ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fd5df09dc40, expected=0, futex_word=0x7fd5d8006df0) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007fd613a55ed9 in __pthread_cond_wait_common (abstime=0x7fd5df09dd00, mutex=0x7fd5d8006da0, cond=0x7fd5d8006dc8) at pthread_cond_wait.c:533
#2  0x00007fd613a55ed9 in __pthread_cond_timedwait (cond=0x7fd5d8006dc8, mutex=0x7fd5d8006da0, abstime=0x7fd5df09dd00) at pthread_cond_wait.c:667
#3  0x00007fd61789d468 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fd61789953d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fd61789c17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fd613a4f6db in start_thread (arg=0x7fd5df09e700) at pthread_create.c:463
#7  0x00007fd617189a3f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fd5df89f700 (LWP 2338)):
#0  0x00007fd613a559f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fd5d8025010) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fd613a559f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7fd5d8024fc0, cond=0x7fd5d8024fe8) at pthread_cond_wait.c:502
#2  0x00007fd613a559f3 in __pthread_cond_wait (cond=0x7fd5d8024fe8, mutex=0x7fd5d8024fc0) at pthread_cond_wait.c:655
#3  0x00007fd61789d5ab in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fd617895c1b in QSemaphore::acquire(int) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fd617aa9868 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fd6150cddf2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#7  0x00007fd6150ced4c in  () at /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#8  0x00007fd617aa9555 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fd6150cceb2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#10 0x00007fd61502e23f in  () at /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#11 0x00007fd61502f6cc in  () at /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#12 0x00007fd617aa9555 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007fd6150a1dd2 in QSslSocket::preSharedKeyAuthenticationRequired(QSslPreSharedKeyAuthenticator*) () at /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#14 0x00007fd6150c5cdc in  () at /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#15 0x00007fd5df8e5156 in  () at /usr/lib/x86_64-linux-gnu/libssl.so.1.1
#16 0x00007fd5df8e32eb in  () at /usr/lib/x86_64-linux-gnu/libssl.so.1.1
#17 0x00007fd5df8ed25e in  () at /usr/lib/x86_64-linux-gnu/libssl.so.1.1
#18 0x00007fd5df8ec157 in  () at /usr/lib/x86_64-linux-gnu/libssl.so.1.1
#19 0x00007fd5df8d84c4 in SSL_do_handshake () at /usr/lib/x86_64-linux-gnu/libssl.so.1.1
#20 0x00007fd6150c610d in  () at /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#21 0x00007fd6150c6835 in  () at /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#22 0x00007fd6150a28cc in QSslSocket::startClientEncryption() () at /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#23 0x00007fd6150a3578 in  () at /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#24 0x00007fd6150ab379 in  () at /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#25 0x00007fd617aa9555 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007fd615075f09 in  () at /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#27 0x00007fd615078e78 in  () at /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#28 0x00007fd6150897ed in  () at /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#29 0x00007fd619d7483c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#30 0x00007fd619d7c104 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#31 0x00007fd617a7a8d8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007fd617ad44ed in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x00007fd611834417 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007fd611834650 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007fd6118346dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007fd617ad38ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#37 0x00007fd617a7890a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#38 0x00007fd61789723a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#39 0x00007fd61789c17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#40 0x00007fd613a4f6db in start_thread (arg=0x7fd5df89f700) at pthread_create.c:463
#41 0x00007fd617189a3f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fd5e50df700 (LWP 2337)):
#0  0x00007fd61717ccf9 in __GI___poll (fds=0x7fd5e0004e10, nfds=1, timeout=10166) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fd6118345c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd6118346dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd617ad38ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fd617a7890a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fd61789723a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fd61789c17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fd613a4f6db in start_thread (arg=0x7fd5e50df700) at pthread_create.c:463
#8  0x00007fd617189a3f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fd5eee67700 (LWP 2336)):
#0  0x00007fd6118334ff in g_main_context_acquire () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fd611834485 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd6118346dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd617ad38ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fd617a7890a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fd61789723a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fd61ac9f2a6 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007fd61789c17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fd613a4f6db in start_thread (arg=0x7fd5eee67700) at pthread_create.c:463
#9  0x00007fd617189a3f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fd5f7fff700 (LWP 2335)):
#0  0x00007fd61717ccf9 in __GI___poll (fds=0x7fd5f00025e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fd6118345c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd6118346dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd617ad38ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fd617a7890a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fd61789723a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fd6184b86f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fd61789c17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fd613a4f6db in start_thread (arg=0x7fd5f7fff700) at pthread_create.c:463
#9  0x00007fd617189a3f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fd5fd57f700 (LWP 2334)):
#0  0x00007fd61717ccf9 in __GI___poll (fds=0x7fd5f8019140, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fd6118345c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd6118346dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd617ad38ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fd617a7890a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fd61789723a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fd618c9dd45 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007fd61789c17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fd613a4f6db in start_thread (arg=0x7fd5fd57f700) at pthread_create.c:463
#9  0x00007fd617189a3f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fd606a5f700 (LWP 2333)):
#0  0x00007fd61717ccf9 in __GI___poll (fds=0x7fd606a5eca8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fd6115cb747 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fd6115cd36a in xcb_wait_for_event () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fd6096325e9 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007fd61789c17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fd613a4f6db in start_thread (arg=0x7fd606a5f700) at pthread_create.c:463
#6  0x00007fd617189a3f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fd61bbf1800 (LWP 2332)):
[KCrash Handler]
#6  0x00007fd611823580 in g_str_hash () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007fd61182223b in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007fd61186f511 in g_variant_dict_init () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007fd5ddba00d7 in  () at /usr/lib/x86_64-linux-gnu/libappstream.so.4
#10 0x00007fd5ddba33c3 in as_cache_file_read () at /usr/lib/x86_64-linux-gnu/libappstream.so.4
#11 0x00007fd5ddba3b3a in as_pool_load_cache_file () at /usr/lib/x86_64-linux-gnu/libappstream.so.4
#12 0x00007fd5ddba41e4 in  () at /usr/lib/x86_64-linux-gnu/libappstream.so.4
#13 0x00007fd5ddba42dd in as_pool_load () at /usr/lib/x86_64-linux-gnu/libappstream.so.4
#14 0x00007fd5ddde27c7 in AppStream::Pool::load(QString*) () at /usr/lib/x86_64-linux-gnu/libAppStreamQt.so.2
#15 0x00007fd5de250cda in PackageKitBackend::reloadPackageList() () at /usr/lib/x86_64-linux-gnu/qt5/plugins/discover/packagekit-backend.so
#16 0x00007fd5de25552d in PackageKitBackend::PackageKitBackend(QObject*) () at /usr/lib/x86_64-linux-gnu/qt5/plugins/discover/packagekit-backend.so
#17 0x00007fd5de25d86b in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/discover/packagekit-backend.so
#18 0x00007fd61a949187 in DiscoverBackendsFactory::backendForFile(QString const&, QString const&) const () at /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#19 0x00007fd61a94981b in DiscoverBackendsFactory::backend(QString const&) const () at /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#20 0x00007fd61a949c7f in DiscoverBackendsFactory::allBackends() const () at /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#21 0x00007fd61a934f3a in ResourcesModel::registerAllBackends() () at /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#22 0x00007fd61a9597a5 in  () at /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#23 0x00007fd617aaa0c2 in QObject::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007fd619d7483c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#25 0x00007fd619d7c104 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#26 0x00007fd617a7a8d8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007fd617a7d04d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00007fd617ad4263 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00007fd611834417 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007fd611834650 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007fd6118346dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#32 0x00007fd617ad388f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x00007fd617a7890a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#34 0x00007fd617a819b4 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#35 0x0000564d317df148 in  ()
#36 0x00007fd617089b97 in __libc_start_main (main=0x564d317de870, argc=3, argv=0x7ffc061daa28, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc061daa18) at ../csu/libc-start.c:310
#37 0x0000564d317df3ca in _start ()

Reported using DrKonqi