Application: plasma-discover (5.6.5) Qt Version: 5.5.1 Frameworks Version: 5.23.0 Operating System: Linux 4.4.0-36-generic x86_64 Distribution: Ubuntu 16.04.1 LTS -- Information about the crash: - What I was doing when the application crashed: Booting Kubuntu. Nothing else had been done by me apart from entering my password for logon. -- 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 0x7f3d1dc678c0 (LWP 4284))] Thread 6 (Thread 0x7f3ce6bf3700 (LWP 4503)): #0 0x00007f3d1a4e79cd in read () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007f3d17416740 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f3d173d2e84 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f3d173d3340 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007f3d173d34ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007f3d1ae18a9b in QEventDispatcherGlib::processEvents (this=0x7f3cdc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420 #6 0x00007f3d1adbfdea in QEventLoop::exec (this=this@entry=0x7f3ce6bf2c90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204 #7 0x00007f3d1abdc8a4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503 #8 0x00007f3d1d53bed6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #9 0x00007f3d1abe184e in QThreadPrivate::start (arg=0x4e5cd20) at thread/qthread_unix.cpp:331 #10 0x00007f3d18fac6fa in start_thread (arg=0x7f3ce6bf3700) at pthread_create.c:333 #11 0x00007f3d1a4f7b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 5 (Thread 0x7f3ce7fff700 (LWP 4499)): #0 0x00007f3d1a4ebe8d in poll () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007f3d173d339c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f3d173d34ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f3d1ae18a9b in QEventDispatcherGlib::processEvents (this=0x7f3ce00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420 #4 0x00007f3d1adbfdea in QEventLoop::exec (this=this@entry=0x7f3ce7ffed00, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204 #5 0x00007f3d1abdc8a4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503 #6 0x00007f3d1abe184e in QThreadPrivate::start (arg=0x4d002a0) at thread/qthread_unix.cpp:331 #7 0x00007f3d18fac6fa in start_thread (arg=0x7f3ce7fff700) at pthread_create.c:333 #8 0x00007f3d1a4f7b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 4 (Thread 0x7f3cfbfff700 (LWP 4336)): #0 0x00007f3d173d239e in g_main_context_acquire () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #1 0x00007f3d173d3255 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f3d173d34ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f3d1ae18a9b in QEventDispatcherGlib::processEvents (this=0x7f3cf40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420 #4 0x00007f3d1adbfdea in QEventLoop::exec (this=this@entry=0x7f3cfbffed00, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204 #5 0x00007f3d1abdc8a4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503 #6 0x00007f3d1abe184e in QThreadPrivate::start (arg=0x1037a10) at thread/qthread_unix.cpp:331 #7 0x00007f3d18fac6fa in start_thread (arg=0x7f3cfbfff700) at pthread_create.c:333 #8 0x00007f3d1a4f7b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 3 (Thread 0x7f3d0210d700 (LWP 4299)): #0 0x00007f3d1a4e79cd in read () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007f3d17416740 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f3d173d2e84 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f3d173d3340 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007f3d173d34ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007f3d1ae18a9b in QEventDispatcherGlib::processEvents (this=0x7f3cfc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420 #6 0x00007f3d1adbfdea in QEventLoop::exec (this=this@entry=0x7f3d0210cce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204 #7 0x00007f3d1abdc8a4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503 #8 0x00007f3d1d0993c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #9 0x00007f3d1abe184e in QThreadPrivate::start (arg=0xde0b00) at thread/qthread_unix.cpp:331 #10 0x00007f3d18fac6fa in start_thread (arg=0x7f3d0210d700) at pthread_create.c:333 #11 0x00007f3d1a4f7b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 2 (Thread 0x7f3d0c529700 (LWP 4285)): #0 0x00007f3d1a4ebe8d in poll () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007f3d159fac62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1 #2 0x00007f3d159fc8d7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1 #3 0x00007f3d0e87b629 in QXcbEventReader::run (this=0xbc6fd0) at qxcbconnection.cpp:1253 #4 0x00007f3d1abe184e in QThreadPrivate::start (arg=0xbc6fd0) at thread/qthread_unix.cpp:331 #5 0x00007f3d18fac6fa in start_thread (arg=0x7f3d0c529700) at pthread_create.c:333 #6 0x00007f3d1a4f7b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 1 (Thread 0x7f3d1dc678c0 (LWP 4284)): [KCrash Handler] #6 0x00007f3d18fb7960 in _xend () at ../sysdeps/unix/sysv/linux/x86/elision-unlock.c:33 #7 __lll_unlock_elision (lock=0x7f3d033cf008, private=128) at ../sysdeps/unix/sysv/linux/x86/elision-unlock.c:29 #8 0x00007f3d1c1e347a in KSharedDataCache::insert(QString const&, QByteArray const&) () from /usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5 #9 0x00007f3d19712588 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5IconThemes.so.5 #10 0x00007f3d19713be9 in KIconLoader::loadIcon(QString const&, KIconLoader::Group, int, int, QStringList const&, QString*, bool) const () from /usr/lib/x86_64-linux-gnu/libKF5IconThemes.so.5 #11 0x00007f3d19708d1f in KIconEngine::pixmap(QSize const&, QIcon::Mode, QIcon::State) () from /usr/lib/x86_64-linux-gnu/libKF5IconThemes.so.5 #12 0x00007f3d1b184578 in QIcon::pixmap (this=0x2eb56f0, window=window@entry=0x0, size=..., mode=QIcon::Normal, state=QIcon::On) at image/qicon.cpp:839 #13 0x00007f3d1b18463e in QIcon::pixmap (this=<optimized out>, size=..., mode=<optimized out>, state=<optimized out>) at image/qicon.cpp:775 #14 0x00007f3d00bf8534 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kquickcontrolsaddons/libkquickcontrolsaddonsplugin.so #15 0x00007f3d1d5da2d8 in QQuickWindowPrivate::updateDirtyNode(QQuickItem*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #16 0x00007f3d1d5dab4b in QQuickWindowPrivate::updateDirtyNodes() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #17 0x00007f3d1d5dacc0 in QQuickWindowPrivate::syncSceneGraph() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #18 0x00007f3d1d5a912c in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #19 0x00007f3d1d5aa2a1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #20 0x00007f3d1b6b505c in QApplicationPrivate::notify_helper (this=this@entry=0xbab590, receiver=receiver@entry=0xde06f0, e=e@entry=0x7ffd45caebb0) at kernel/qapplication.cpp:3716 #21 0x00007f3d1b6ba516 in QApplication::notify (this=0x7ffd45caeed0, receiver=0xde06f0, e=0x7ffd45caebb0) at kernel/qapplication.cpp:3499 #22 0x00007f3d1adc262b in QCoreApplication::notifyInternal (this=0x7ffd45caeed0, receiver=0xde06f0, event=event@entry=0x7ffd45caebb0) at kernel/qcoreapplication.cpp:965 #23 0x00007f3d1ae1789d in QCoreApplication::sendEvent (event=0x7ffd45caebb0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:224 #24 QTimerInfoList::activateTimers (this=0xbf7010) at kernel/qtimerinfo_unix.cpp:637 #25 0x00007f3d1ae17da1 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:177 #26 0x00007f3d173d31a7 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #27 0x00007f3d173d3400 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #28 0x00007f3d173d34ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #29 0x00007f3d1ae18a7f in QEventDispatcherGlib::processEvents (this=0xbff6f0, flags=...) at kernel/qeventdispatcher_glib.cpp:418 #30 0x00007f3d1adbfdea in QEventLoop::exec (this=this@entry=0x7ffd45caedf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204 #31 0x00007f3d1adc7e8c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1229 #32 0x000000000040a649 in ?? () #33 0x00007f3d1a411830 in __libc_start_main (main=0x409970, argc=3, argv=0x7ffd45caf078, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd45caf068) at ../csu/libc-start.c:291 #34 0x000000000040a969 in _start () Possible duplicates by query: bug 334674, bug 334640. Reported using DrKonqi
Can you reproduce? Could you please provide a backtrace with debug symbols?
(In reply to Aleix Pol from comment #1) > Can you reproduce? Could you please provide a backtrace with debug symbols? Sorry, I am afraid I cannot reproduce. No idea why it happened in the first place, yet it happened.
Dear Bug Submitter, This bug has been in NEEDSINFO status with no change for at least 15 days. Please provide the requested information as soon as possible and set the bug status as REPORTED. Due to regular bug tracker maintenance, if the bug is still in NEEDSINFO status with no change in 30 days, the bug will be closed as RESOLVED > WORKSFORME due to lack of needed information. For more information about our bug triaging procedures please read the wiki located here: https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging If you have already provided the requested information, please set the bug status as REPORTED so that the KDE team knows that the bug is ready to be confirmed. Thank you for helping us make KDE software even better for everyone!
Dear Bug Submitter, This bug has been in NEEDSINFO status with no change for at least 30 days. The bug is now closed as RESOLVED > WORKSFORME due to lack of needed information. For more information about our bug triaging procedures please read the wiki located here: https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging Thank you for helping us make KDE software even better for everyone!
Created attachment 122722 [details] Discover plasma-discover Kcrash invalid kns backend! "/usr/share/knsrcfiles/ksysguard.knsrc" because: "Config group not found! Check your KNS3 installation." adding empty sources model QStandardItemModel(0x5609413e5f50) no packages for "org.kde.plasma.quicklaunch" no packages for "org.kde.plasma.systemloadviewer" no packages for "org.kde.plasma.showActivityManager" no packages for "org.kde.plasma.grouping" no packages for "org.kde.plasma.diskquota" no packages for "org.kde.plasma.timer" no packages for "org.kde.kscreen" no packages for "org.kde.plasma.appmenu" no packages for "org.kde.plasma.kimpanel" no packages for "org.cockpit_project.cockpit" no packages for "im.riot.webapp" no org.freedesktop.Platform.VAAPI.Intel Failed to parse appstream metadata: AppStream::Metadata::MetadataErrorParse "/var/lib/flatpak/exports/share/applications/org.freedesktop.Platform.VAAPI.Intel.desktop" no org.freedesktop.Platform.html5-codecs Failed to parse appstream metadata: AppStream::Metadata::MetadataErrorParse "/var/lib/flatpak/exports/share/applications/org.freedesktop.Platform.html5-codecs.desktop" file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kirigami.2/ScrollablePage.qml:187: TypeError: Cannot assign to read-only property "parent" file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kirigami.2/ScrollablePage.qml:187: TypeError: Cannot assign to read-only property "parent" file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kirigami.2/ScrollablePage.qml:187: TypeError: Cannot assign to read-only property "parent" file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kirigami.2/ScrollablePage.qml:187: TypeError: Cannot assign to read-only property "parent" file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kirigami.2/templates/private/ScrollView.qml:95:5: QML QQuickItem: ScrollBar must be attached to a Flickable or ScrollView qrc:/qml/KirigamiActionBridge.qml:34:5: Unable to assign [undefined] to QString file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kirigami.2/ScrollablePage.qml:139:18: QML RefreshableScrollView: Binding loop detected for property "rightPadding" (/usr/lib/firefox/firefox:1758): dconf-WARNING **: 09:37:17.876: Unable to open /var/lib/flatpak/exports/share/dconf/profile/user: Permissão negada qrc:/qml/ApplicationsListPage.qml:144:16: QML ResourcesProxyModel: Binding loop detected for property "sortOrder" KCrash: crashing... crashRecursionCounter = 2 KCrash: Application Name = plasma-discover path = /usr/bin pid = 1467 KCrash: Arguments: /usr/bin/plasma-discover KCrash: Attempting to start /usr/lib/x86_64-linux-gnu/libexec/drkonqi from kdeinit sock_file=/run/user/1000/kdeinit5__0
Everaldo, please do not reopen unrelated bugs. The crash added with comment #5 is bug 411286.
crash discover