SUMMARY th crash occured two time after restart. thanks for help! STEPS TO REPRODUCE 1. 2. 3. OBSERVED RESULT Application: KStars (kstars), signal: Segmentation fault Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [Current thread is 1 (Thread 0x7fbdd14dbd00 (LWP 3017))] Thread 6 (Thread 0x7fbd8ffff700 (LWP 3026)): #0 0x00007fbdc99e8bf9 in __GI___poll (fds=0x7fbd84004e10, nfds=1, timeout=9367) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007fbdc4e03539 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fbdc4e0364c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007fbdcbb9a90b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007fbdcbb3f9ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fbdcb95e22a in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007fbdcb96316d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007fbdcac2f6db in start_thread (arg=0x7fbd8ffff700) at pthread_create.c:463 #8 0x00007fbdc99f588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 5 (Thread 0x7fbd9e1dc700 (LWP 3022)): #0 0x00007fbdcac359f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558df1349848) at ../sysdeps/unix/sysv/linux/futex-internal.h:88 #1 __pthread_cond_wait_common (abstime=0x0, mutex=0x558df13497f8, cond=0x558df1349820) at pthread_cond_wait.c:502 #2 __pthread_cond_wait (cond=0x558df1349820, mutex=0x558df13497f8) at pthread_cond_wait.c:655 #3 0x00007fbda3dcb46b in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so #4 0x00007fbda3dcb197 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so #5 0x00007fbdcac2f6db in start_thread (arg=0x7fbd9e1dc700) at pthread_create.c:463 #6 0x00007fbdc99f588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 4 (Thread 0x7fbd9f146700 (LWP 3021)): #0 0x00007fbdcac359f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558df142c754) at ../sysdeps/unix/sysv/linux/futex-internal.h:88 #1 __pthread_cond_wait_common (abstime=0x0, mutex=0x558df142c700, cond=0x558df142c728) at pthread_cond_wait.c:502 #2 __pthread_cond_wait (cond=0x558df142c728, mutex=0x558df142c700) at pthread_cond_wait.c:655 #3 0x00007fbda3dcb46b in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so #4 0x00007fbda3dcb197 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so #5 0x00007fbdcac2f6db in start_thread (arg=0x7fbd9f146700) at pthread_create.c:463 #6 0x00007fbdc99f588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 3 (Thread 0x7fbdaef47700 (LWP 3020)): #0 0x00007ffe541b4b62 in clock_gettime () #1 0x00007fbdc9a04ea6 in __GI___clock_gettime (clock_id=1, tp=0x7fbdaef46a60) at ../sysdeps/unix/clock_gettime.c:115 #2 0x00007fbdcbb9a221 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #3 0x00007fbdcbb98a59 in QTimerInfoList::updateCurrentTime() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007fbdcbb99035 in QTimerInfoList::timerWait(timespec&) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fbdcbb9a67e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007fbdc4e02a98 in g_main_context_prepare () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #7 0x00007fbdc4e0346b in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #8 0x00007fbdc4e0364c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #9 0x00007fbdcbb9a90b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #10 0x00007fbdcbb3f9ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #11 0x00007fbdcb95e22a in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #12 0x00007fbdcc017d45 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5 #13 0x00007fbdcb96316d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #14 0x00007fbdcac2f6db in start_thread (arg=0x7fbdaef47700) at pthread_create.c:463 #15 0x00007fbdc99f588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 2 (Thread 0x7fbdb5f23700 (LWP 3019)): #0 0x00007fbdc99e8bf9 in __GI___poll (fds=0x7fbdb5f22c28, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007fbdc401e747 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1 #2 0x00007fbdc402036a in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1 #3 0x00007fbdb8cd02a9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5 #4 0x00007fbdcb96316d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fbdcac2f6db in start_thread (arg=0x7fbdb5f23700) at pthread_create.c:463 #6 0x00007fbdc99f588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 1 (Thread 0x7fbdd14dbd00 (LWP 3017)): [KCrash Handler] #6 0x0000558defd7fc8a in ?? () #7 0x00007fbdcbb705b5 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x0000558defb962a2 in ?? () #9 0x0000558defaa97cd in ?? () #10 0x00007fbdcd005038 in QWidget::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #11 0x00007fbdccfc682c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #12 0x00007fbdccfce0f4 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #13 0x00007fbdcbb419a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #14 0x00007fbdccffe18a in QWidgetPrivate::sendPaintEvent(QRegion const&) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #15 0x00007fbdccffe74a in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #16 0x00007fbdccfff3b0 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #17 0x00007fbdccffe356 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #18 0x00007fbdccfff3b0 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #19 0x00007fbdccffe356 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #20 0x00007fbdccfff3b0 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #21 0x00007fbdccffe356 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #22 0x00007fbdccfd5e54 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #23 0x00007fbdccfd6095 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #24 0x00007fbdccfed66f in QWidgetPrivate::syncBackingStore() () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #25 0x00007fbdcd0051a8 in QWidget::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #26 0x00007fbdcd118c4b in QMainWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #27 0x00007fbdd0c18b87 in KMainWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5 #28 0x00007fbdd0c5d9e5 in KXmlGuiWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5 #29 0x00007fbdccfc682c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #30 0x00007fbdccfce0f4 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #31 0x00007fbdcbb419a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #32 0x00007fbdccfd6eb8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #33 0x00007fbdccfd7eaf in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #34 0x00007fbdccfef3b7 in QWidget::repaint(QRect const&) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #35 0x00007fbdccfef41c in QWidget::repaint() () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #36 0x0000558defa9cb25 in ?? () #37 0x0000558defb97d22 in ?? () #38 0x00007fbdcbb705b5 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #39 0x0000558defb960f2 in ?? () #40 0x0000558defa6617b in ?? () #41 0x0000558defa97ec9 in ?? () #42 0x0000558defbb2325 in ?? () #43 0x00007fbdcbb705b5 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #44 0x0000558defbaa39d in ?? () #45 0x00007fbdcbb705b5 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #46 0x00007fbdcbb7d027 in QTimer::timeout(QTimer::QPrivateSignal) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #47 0x00007fbdcbb7d388 in QTimer::timerEvent(QTimerEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #48 0x00007fbdcbb710db in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #49 0x00007fbdccfc682c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #50 0x00007fbdccfce0f4 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #51 0x00007fbdcbb419a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #52 0x00007fbdcbb99d8e in QTimerInfoList::activateTimers() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #53 0x00007fbdcbb9a551 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #54 0x00007fbdc4e03387 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #55 0x00007fbdc4e035c0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #56 0x00007fbdc4e0364c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #57 0x00007fbdcbb9a8ef in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #58 0x00007fbdcbb3f9ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #59 0x00007fbdcbb48a84 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #60 0x0000558defa3b1b0 in ?? () #61 0x00007fbdc98f5b97 in __libc_start_main (main=0x558defa398e0, argc=1, argv=0x7ffe540fa258, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe540fa248) at ../csu/libc-start.c:310 #62 0x0000558defa4f82a in _start () EXPECTED RESULT SOFTWARE/OS VERSIONS Windows: MacOS: Linux/KDE Plasma: (available in About System) KDE Plasma Version: KDE Frameworks Version: Qt Version: ADDITIONAL INFORMATION
Cannot reproduce. Can you retrigger it again? If yes, how?
(In reply to Jasem Mutlaq from comment #1) > Cannot reproduce. Can you retrigger it again? If yes, how? 02/01/2019 Thanks for you answer. The bug don't yet appears during the last month. Perhaps an update on ubuntu has resolved the problem. Thanks and good luck ! Claude.