Application: plasmashell (5.12.6) Qt Version: 5.9.5 Frameworks Version: 5.44.0 Operating System: Linux 4.15.0-36-generic x86_64 Distribution: Ubuntu 18.04.1 LTS -- Information about the crash: - What I was doing when the application crashed: I was browsing Thermal Monitor widget settings. When I closed the settings by pressing Cancel, Plasma crashed. -- Backtrace: Application: Plasma (plasmashell), signal: Segmentation fault Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [Current thread is 1 (Thread 0x7f449a2bd800 (LWP 2699))] Thread 8 (Thread 0x7f43b67fc700 (LWP 3446)): #0 0x00007f44938b8bd0 in __GI___poll (fds=0x7f43b0008c00, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:27 #1 0x00007f448e422439 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f448e42254c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f449420190b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f44941a69ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f4493fc522a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f44971376f5 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #7 0x00007f4493fca16d in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f449314b6db in start_thread (arg=0x7f43b67fc700) at pthread_create.c:463 #9 0x00007f44938c588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 7 (Thread 0x7f43ca015700 (LWP 3329)): #0 0x00007f44938b40b4 in __GI___libc_read (fd=30, buf=0x7f43ca014b50, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27 #1 0x00007f448e466a00 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f448e421f27 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f448e4223e0 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007f448e42254c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007f449420190b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f44941a69ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007f4493fc522a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f43cc971747 in KCupsConnection::run() () at /usr/lib/x86_64-linux-gnu/libkcupslib.so #9 0x00007f4493fca16d in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #10 0x00007f449314b6db in start_thread (arg=0x7f43ca015700) at pthread_create.c:463 #11 0x00007f44938c588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 6 (Thread 0x7f43e0283700 (LWP 3323)): #0 0x00007f448e467d94 in g_mutex_unlock () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #1 0x00007f448e421e49 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f448e4223e0 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f448e42254c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007f449420190b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f44941a69ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f4493fc522a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007f4497cd12a6 in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #8 0x00007f4493fca16d in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #9 0x00007f449314b6db in start_thread (arg=0x7f43e0283700) at pthread_create.c:463 #10 0x00007f44938c588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 5 (Thread 0x7f4467773700 (LWP 3321)): #0 0x00007f44931519f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f4499ca6fb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88 #1 0x00007f44931519f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f4499ca6f68, cond=0x7f4499ca6f90) at pthread_cond_wait.c:502 #2 0x00007f44931519f3 in __pthread_cond_wait (cond=0x7f4499ca6f90, mutex=0x7f4499ca6f68) at pthread_cond_wait.c:655 #3 0x00007f44999b05f4 in () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5 #4 0x00007f44999b0639 in () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5 #5 0x00007f449314b6db in start_thread (arg=0x7f4467773700) at pthread_create.c:463 #6 0x00007f44938c588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 4 (Thread 0x7f447a3b7700 (LWP 3285)): #0 0x00007f4494202048 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #1 0x00007f448e421e51 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f448e4223e0 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f448e42254c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007f449420190b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f44941a69ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f4493fc522a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007f44971376f5 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #8 0x00007f4493fca16d in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #9 0x00007f449314b6db in start_thread (arg=0x7f447a3b7700) at pthread_create.c:463 #10 0x00007f44938c588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 3 (Thread 0x7f447bdfa700 (LWP 3279)): #0 0x00007f44938b8bf9 in __GI___poll (fds=0x7f4470004a00, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f448e422439 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f448e42254c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f449420190b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f44941a69ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f4493fc522a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f44971376f5 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #7 0x00007f4493fca16d in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f449314b6db in start_thread (arg=0x7f447bdfa700) at pthread_create.c:463 #9 0x00007f44938c588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 2 (Thread 0x7f448195e700 (LWP 3143)): #0 0x00007f44938b8bf9 in __GI___poll (fds=0x7f4474014670, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f448e422439 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f448e42254c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f449420190b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f44941a69ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f4493fc522a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f449467ed45 in () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5 #7 0x00007f4493fca16d in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f449314b6db in start_thread (arg=0x7f448195e700) at pthread_create.c:463 #9 0x00007f44938c588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 1 (Thread 0x7f449a2bd800 (LWP 2699)): [KCrash Handler] #6 0x00007f44941de72b in QObject::~QObject() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007f43e469b4fc in () at /usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Controls/libqtquickcontrolsplugin.so #8 0x00007f43e469b5c9 in () at /usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Controls/libqtquickcontrolsplugin.so #9 0x00007f43e469fca1 in () at /usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Controls/libqtquickcontrolsplugin.so #10 0x00007f43e46917ab in () at /usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Controls/libqtquickcontrolsplugin.so #11 0x00007f4497156359 in QQmlDelegateModel::~QQmlDelegateModel() () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #12 0x00007f4497156449 in QQmlDelegateModel::~QQmlDelegateModel() () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #13 0x00007f44941d519b in QObjectPrivate::deleteChildren() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #14 0x00007f44941de9cb in QObject::~QObject() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #15 0x00007f4497095f33 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #16 0x00007f44941d519b in QObjectPrivate::deleteChildren() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #17 0x00007f44941de9cb in QObject::~QObject() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #18 0x00007f43e4691dbb in () at /usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Controls/libqtquickcontrolsplugin.so #19 0x00007f44941d519b in QObjectPrivate::deleteChildren() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #20 0x00007f44941de9cb in QObject::~QObject() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #21 0x00007f4497d93455 in QQuickItem::~QQuickItem() () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #22 0x00007f4497dae8f5 in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #23 0x00007f44941d519b in QObjectPrivate::deleteChildren() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #24 0x00007f44941de9cb in QObject::~QObject() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #25 0x00007f4497d93455 in QQuickItem::~QQuickItem() () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #26 0x00007f43e259b738 in () at /usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Layouts/libqquicklayoutsplugin.so #27 0x00007f43e2597460 in () at /usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Layouts/libqquicklayoutsplugin.so #28 0x00007f44941d519b in QObjectPrivate::deleteChildren() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #29 0x00007f44941de9cb in QObject::~QObject() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #30 0x00007f43b51e52ab in () at /usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Dialogs/libdialogplugin.so #31 0x00007f44941d519b in QObjectPrivate::deleteChildren() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #32 0x00007f44941de9cb in QObject::~QObject() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #33 0x00007f4497d93455 in QQuickItem::~QQuickItem() () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #34 0x00007f4497daf765 in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #35 0x00007f44941d519b in QObjectPrivate::deleteChildren() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #36 0x00007f44941de9cb in QObject::~QObject() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #37 0x00007f4497d93455 in QQuickItem::~QQuickItem() () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #38 0x00007f4497dae8f5 in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #39 0x00007f44941d519b in QObjectPrivate::deleteChildren() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #40 0x00007f44941de9cb in QObject::~QObject() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #41 0x00007f4497d93455 in QQuickItem::~QQuickItem() () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #42 0x00007f4497daefad in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #43 0x00007f44941d519b in QObjectPrivate::deleteChildren() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #44 0x00007f44941de9cb in QObject::~QObject() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #45 0x00007f4497d93455 in QQuickItem::~QQuickItem() () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #46 0x00007f4497dae8f5 in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #47 0x00007f44941d519b in QObjectPrivate::deleteChildren() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #48 0x00007f44941de9cb in QObject::~QObject() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #49 0x00007f4497d93455 in QQuickItem::~QQuickItem() () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #50 0x00007f43e259b738 in () at /usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Layouts/libqquicklayoutsplugin.so #51 0x00007f43e25971e0 in () at /usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Layouts/libqquicklayoutsplugin.so #52 0x00007f44941d519b in QObjectPrivate::deleteChildren() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #53 0x00007f44941de9cb in QObject::~QObject() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #54 0x00007f4497d93455 in QQuickItem::~QQuickItem() () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #55 0x00007f43e259b738 in () at /usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Layouts/libqquicklayoutsplugin.so #56 0x00007f43e2597320 in () at /usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Layouts/libqquicklayoutsplugin.so #57 0x00007f44941d519b in QObjectPrivate::deleteChildren() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #58 0x00007f44941de9cb in QObject::~QObject() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #59 0x00007f4497d93455 in QQuickItem::~QQuickItem() () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #60 0x00007f4497daf88d in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #61 0x00007f4497e329ca in QQuickView::~QQuickView() () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #62 0x00007f4499cf3909 in PlasmaQuick::ConfigView::~ConfigView() () at /usr/lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5 #63 0x00007f44941d8140 in QObject::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #64 0x00007f4494a00638 in QWindow::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5 #65 0x00007f4497daa6c5 in QQuickWindow::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #66 0x00007f44951b082c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #67 0x00007f44951b80f4 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #68 0x00007f44941a89a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #69 0x00007f44941ab11d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #70 0x00007f44942022c3 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #71 0x00007f448e422287 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #72 0x00007f448e4224c0 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #73 0x00007f448e42254c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #74 0x00007f44942018ef in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #75 0x00007f44941a69ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #76 0x00007f44941afa84 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #77 0x0000562b943f0cfa in () #78 0x00007f44937c5b97 in __libc_start_main (main=0x562b943f0320, argc=1, argv=0x7fff617549d8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff617549c8) at ../csu/libc-start.c:310 #79 0x0000562b943f109a in _start () Reported using DrKonqi
*** Bug 420781 has been marked as a duplicate of this bug. ***
#62 0x00007f4499cf3909 in PlasmaQuick::ConfigView::~ConfigView() () at /usr/lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5 Is this still reproducible for you?
This was not 100% reproducible, AFAIR. I tried opening Thermal Monitor settings a few times and it didn't crash. Operating System: Kubuntu 20.10 KDE Plasma Version: 5.19.5 KDE Frameworks Version: 5.74.0 Qt Version: 5.14.2 Kernel Version: 5.8.0-44-lowlatency OS Type: 64-bit Processors: 8 × Intel® Core™ i7-2600K CPU @ 3.40GHz Memory: 15.6 GiB of RAM Graphics Processor: GeForce RTX 2080 Ti/PCIe/SSE2
Phew! Let's call it fixed. :)
*** Bug 434789 has been marked as a duplicate of this bug. ***
Apparently not fixed in Plasma 5.20; see the above duplicate bug report.