(gdb) run Starting program: /usr/bin/plasma-discover [Thread debugging using libthread_db enabled] Using host libthread_db library "/usr/lib/libthread_db.so.1". [New Thread 0x7fffefc04700 (LWP 22258)] [New Thread 0x7fffedeb5700 (LWP 22259)] [New Thread 0x7fffecca4700 (LWP 22260)] [New Thread 0x7fffddec2700 (LWP 22261)] [New Thread 0x7fffdcbc8700 (LWP 22263)] file:///usr/lib/qt/qml/QtQuick/Controls.2/org.kde.desktop/TextField.qml:57:5: Unable to assign [undefined] to QQmlComponent* [New Thread 0x7fffd7166700 (LWP 22264)] [New Thread 0x7fffd6965700 (LWP 22265)] [New Thread 0x7fffd6164700 (LWP 22266)] adding empty sources model QStandardItemModel(0x5555570868f0) no packages for "org.kde.kbackup.desktop" no packages for "org.kde.plasma.quicklaunch" no packages for "org.kde.plasma.grouping" no packages for "org.kde.plasma.kimpanel" no packages for "org.kde.plasma.appmenu" no packages for "org.kde.plasma.diskquota" no packages for "org.kde.plasma.systemloadviewer" no packages for "org.kde.kscreen" no packages for "org.kde.plasma.showActivityManager" no packages for "org.kde.plasma.binaryclock" no packages for "org.kde.plasma.activitybar" no packages for "org.kde.plasma.timer" [New Thread 0x7fffc3855700 (LWP 22268)] [New Thread 0x7fffc3054700 (LWP 22269)] [New Thread 0x7fffc2367700 (LWP 22275)] [Thread 0x7fffc3054700 (LWP 22269) exited] [Detaching after fork from child process 22277] [New Thread 0x7fffc3054700 (LWP 22279)] [New Thread 0x7fffc19ca700 (LWP 22280)] [Detaching after fork from child process 22281] [New Thread 0x7fffc11c9700 (LWP 22283)] [Detaching after fork from child process 22284] invalid kns backend! "/etc/xdg/servicemenu.knsrc" because: "Config group not found! Check your KNS3 installation." [New Thread 0x7fffc09c8700 (LWP 22285)] [Detaching after fork from child process 22287] [Detaching after fork from child process 22289] [Detaching after fork from child process 22291] [New Thread 0x7fffabfff700 (LWP 22292)] [Detaching after fork from child process 22294] invalid kns backend! "/etc/xdg/ksysguard.knsrc" because: "Config group not found! Check your KNS3 installation." org.kde.plasma.libdiscover: Couldn't find a category for "fwupd-backend" [New Thread 0x7fffab7fe700 (LWP 22298)] [New Thread 0x7fffaaffd700 (LWP 22301)] [New Thread 0x7fffaa7fc700 (LWP 22302)] [New Thread 0x7fffa9ffb700 (LWP 22303)] QNetworkReplyHttpImplPrivate::_q_startOperation was called more than once QUrl("https://cdn.fwupd.org/downloads/firmware.xml.gz.asc") QObject::connect(QQmlApplicationEngine, Unknown): invalid null parameter QNetworkReplyHttpImplPrivate::_q_startOperation was called more than once QUrl("https://download.kde.org/ocs/providers.xml") [Detaching after fork from child process 22310] [Detaching after fork from child process 22312] [Thread 0x7fffa9ffb700 (LWP 22303) exited] Fwupd Info: saving new firmware metadata to: "/home/scoronado/.cache/discover/fwupd/remotes.d/lvfs/metadata.xml.gz" [New Thread 0x7fffa9ffb700 (LWP 22313)] QNetworkReplyHttpImplPrivate::_q_startOperation was called more than once QUrl("https://cdn.fwupd.org/downloads/firmware.xml.gz") [Thread 0x7fffa9ffb700 (LWP 22313) exited] [Thread 0x7fffab7fe700 (LWP 22298) exited] [New Thread 0x7fffab7fe700 (LWP 22316)] [Detaching after fork from child process 22339] [Detaching after fork from child process 22342] [Thread 0x7fffab7fe700 (LWP 22316) exited] [New Thread 0x7fffab7fe700 (LWP 22345)] [Detaching after fork from child process 22347] [Detaching after fork from child process 22349] [Thread 0x7fffab7fe700 (LWP 22345) exited] [New Thread 0x7fffab7fe700 (LWP 22353)] [Detaching after fork from child process 22354] [Detaching after fork from child process 22356] [Thread 0x7fffab7fe700 (LWP 22353) exited] org.kde.knewstuff.core: Could not find category "Parley" [Thread 0x7fffc3855700 (LWP 22268) exited] [New Thread 0x7fffc3855700 (LWP 22391)] [New Thread 0x7fffab7fe700 (LWP 22392)] [New Thread 0x7fffa9ffb700 (LWP 22393)] [New Thread 0x7fffa96e6700 (LWP 22394)] [New Thread 0x7fffa8ee5700 (LWP 22395)] [New Thread 0x7fff8ffff700 (LWP 22396)] [New Thread 0x7fff8f7fe700 (LWP 22397)] [New Thread 0x7fff8effd700 (LWP 22398)] [New Thread 0x7fff8e7fc700 (LWP 22399)] (process:22254): GLib-CRITICAL **: 23:31:45.860: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.860: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.860: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.860: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.860: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.860: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.860: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.860: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.860: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.860: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.860: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.860: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.860: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.860: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.861: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.861: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.861: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.861: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.861: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.861: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.861: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.861: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.861: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.861: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.861: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.861: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.861: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.861: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.861: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.861: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.861: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.861: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.861: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.861: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.861: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.861: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.861: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.861: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.861: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.861: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.861: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.861: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.861: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.861: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.861: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.861: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.861: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.861: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.861: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.861: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.861: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.861: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.861: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.861: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.861: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.861: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.861: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.861: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.862: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.862: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.862: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.862: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.862: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.862: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.862: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.862: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.862: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.862: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.862: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.862: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.862: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.862: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.862: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.862: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.862: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.862: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.862: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.862: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.862: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.862: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.862: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.862: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.862: g_hash_table_lookup: assertion 'hash_table != NULL' failed (process:22254): GLib-CRITICAL **: 23:31:45.862: g_hash_table_lookup: assertion 'hash_table != NULL' failed [New Thread 0x7fff8dffb700 (LWP 22400)] [New Thread 0x7fff8d7fa700 (LWP 22401)] Thread 1 "plasma-discover" received signal SIGSEGV, Segmentation fault. 0x00007fffd575bd99 in as_ref_string_unref () from /usr/lib/libappstream-glib.so.8 (gdb)