SUMMARY


STEPS TO REPRODUCE
1. Click on Discover to open.
2. Discover goes to open and immediately crashes.
3. Error message Appears.

OBSERVED RESULT
Fails to open repetitvely.

EXPECTED RESULT
I expected this to open so I can start to install software.  This is a brand new installation of KDE Neon on this laptop.

SOFTWARE/OS VERSIONS

Linux/KDE Plasma: KDE Neon
(available in About System)
KDE Plasma Version 5.14.5
KDE Frameworks Version: 5.54.0
Qt Version: 5.11.2
Kernel Version:  4.15.0-44 generic
OS Type:  64 bit

ADDITIONAL INFORMATION
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 0x7f4ccec83200 (LWP 2532))]

Thread 13 (Thread 0x7f4c76d76700 (LWP 2550)):
#0  0x00007f4cca1dcbf9 in __GI___poll (fds=0x7f4c680018a0, nfds=3, timeout=155) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f4cc4746539 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4cc474664c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4ccab1704b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f4ccaabb30a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f4cca8e6bba in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f4cca8f1adb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f4cc68e26db in start_thread (arg=0x7f4c76d76700) at pthread_create.c:463
#8  0x00007f4cca1e988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f4c77577700 (LWP 2549)):
#0  0x00007f4cc68e8ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f4c77576c30, expected=0, futex_word=0x5599f4bbe010) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7f4c77576d00, mutex=0x5599f4bbdfc0, cond=0x5599f4bbdfe8) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x5599f4bbdfe8, mutex=0x5599f4bbdfc0, abstime=0x7f4c77576d00) at pthread_cond_wait.c:667
#3  0x00007f4cca8f2880 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f4cca8e928d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f4cca8f1adb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f4cc68e26db in start_thread (arg=0x7f4c77577700) at pthread_create.c:463
#7  0x00007f4cca1e988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f4c85a37700 (LWP 2546)):
#0  0x00007f4cc68e8ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f4c85a36c30, expected=0, futex_word=0x7f4c800052b0) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7f4c85a36d00, mutex=0x7f4c80005260, cond=0x7f4c80005288) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7f4c80005288, mutex=0x7f4c80005260, abstime=0x7f4c85a36d00) at pthread_cond_wait.c:667
#3  0x00007f4cca8f2880 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f4cca8e928d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f4cca8f1adb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f4cc68e26db in start_thread (arg=0x7f4c85a37700) at pthread_create.c:463
#7  0x00007f4cca1e988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f4c86854700 (LWP 2545)):
#0  0x00007f4cc68e8ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f4c86853c30, expected=0, futex_word=0x7f4c80003470) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7f4c86853d00, mutex=0x7f4c80003420, cond=0x7f4c80003448) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7f4c80003448, mutex=0x7f4c80003420, abstime=0x7f4c86853d00) at pthread_cond_wait.c:667
#3  0x00007f4cca8f2880 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f4cca8e928d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f4cca8f1adb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f4cc68e26db in start_thread (arg=0x7f4c86854700) at pthread_create.c:463
#7  0x00007f4cca1e988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f4c87055700 (LWP 2544)):
#0  0x00007f4cca1dcbf9 in __GI___poll (fds=0x7f4c8000be60, nfds=4, timeout=155) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f4cc4746539 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4cc474664c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4ccab1704b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f4ccaabb30a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f4cca8e6bba in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f4cca8f1adb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f4cc68e26db in start_thread (arg=0x7f4c87055700) at pthread_create.c:463
#8  0x00007f4cca1e988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f4c955c2700 (LWP 2541)):
#0  0x00007f4cca1dcbf9 in __GI___poll (fds=0x7f4c8c003de0, nfds=1, timeout=9998) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f4cc4746539 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4cc474664c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4ccab1704b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f4ccaabb30a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f4cca8e6bba in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f4cca8f1adb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f4cc68e26db in start_thread (arg=0x7f4c955c2700) at pthread_create.c:463
#8  0x00007f4cca1e988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f4c96d47700 (LWP 2540)):
#0  0x00007f4cca1dcbf9 in __GI___poll (fds=0x5599f4fb70c0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f4cc4746539 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4cc47468d2 in g_main_loop_run () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4c99ca0026 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f4cc476e105 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f4cc68e26db in start_thread (arg=0x7f4c96d47700) at pthread_create.c:463
#6  0x00007f4cca1e988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f4c97548700 (LWP 2539)):
#0  0x00007f4cc47463ed in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f4cc474664c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4cc4746691 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4cc476e105 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f4cc68e26db in start_thread (arg=0x7f4c97548700) at pthread_create.c:463
#5  0x00007f4cca1e988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f4ca2fcf700 (LWP 2538)):
#0  0x00007f4cca1d80b4 in __GI___libc_read (fd=13, buf=0x7f4ca2fceb20, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f4cc478acd0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4cc4746027 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4cc47464e0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f4cc474664c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f4ccab1704b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f4ccaabb30a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f4cca8e6bba in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f4ccdef6826 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#9  0x00007f4cca8f1adb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f4cc68e26db in start_thread (arg=0x7f4ca2fcf700) at pthread_create.c:463
#11 0x00007f4cca1e988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f4cb27e2700 (LWP 2536)):
#0  0x00007f4cca1dcbf9 in __GI___poll (fds=0x7f4ca4004a00, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f4cc4746539 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4cc474664c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4ccab1704b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f4ccaabb30a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f4cca8e6bba in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f4ccb48e4f5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f4cca8f1adb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f4cc68e26db in start_thread (arg=0x7f4cb27e2700) at pthread_create.c:463
#9  0x00007f4cca1e988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f4cb39f3700 (LWP 2535)):
#0  0x00007f4cca1dcbf9 in __GI___poll (fds=0x7f4cac018d10, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f4cc4746539 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4cc474664c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4ccab1704b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f4ccaabb30a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f4cca8e6bba in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f4ccc7e8e45 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f4cca8f1adb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f4cc68e26db in start_thread (arg=0x7f4cb39f3700) at pthread_create.c:463
#9  0x00007f4cca1e988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f4cbc205700 (LWP 2534)):
#0  0x00007f4cca1dcbf9 in __GI___poll (fds=0x7f4cbc204ca8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f4cc3e7b747 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f4cc3e7d36a in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f4cbf1c5ed9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f4cca8f1adb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f4cc68e26db in start_thread (arg=0x7f4cbc205700) at pthread_create.c:463
#6  0x00007f4cca1e988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f4ccec83200 (LWP 2532)):
[KCrash Handler]
#6  0x00007f4ccdb8fd62 in AbstractResource::reportNewState() () from /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#7  0x00007f4ccaaec18f in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f4c9a19acb5 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/discover/fwupd-backend.so
#9  0x00007f4c9a19b4e7 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/discover/fwupd-backend.so
#10 0x00007f4c9a19bdc1 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/discover/fwupd-backend.so
#11 0x00007f4ccaaec18f in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f4cca8ef223 in QFutureWatcherBase::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f4ccc0d8e1c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#14 0x00007f4ccc0e03ef in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#15 0x00007f4ccaabcfe8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007f4ccaabfb2d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007f4ccab179f3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f4cc4746387 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007f4cc47465c0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f4cc474664c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f4ccab1702f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007f4cbf251761 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#23 0x00007f4ccaabb30a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007f4ccaac44d0 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00005599f2808868 in ?? ()
#26 0x00007f4cca0e9b97 in __libc_start_main (main=0x5599f2807f90, argc=1, argv=0x7ffe496ddd58, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe496ddd48) at ../csu/libc-start.c:310
#27 0x00005599f2808aea in _start ()

That is the copies error message.

I have tried to install this 3 times to correct the error.  I thought maybe there was an error in the installation.

Thanks.