Application: plasmashell (5.12.7)

Qt Version: 5.9.5
Frameworks Version: 5.44.0
Operating System: Linux 4.15.0-50-generic x86_64
Distribution: Ubuntu 18.04.2 LTS

-- Information about the crash:
- What I was doing when the application crashed:
Just after login baloo crash, never restart.
Kubuntu 18.04 LTS whit Kontact, LibreOffice and other office programs. Baloo crash always, also on a new installation.

The crash can be reproduced every time.

-- 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 0x7fa4d601a800 (LWP 1383))]

Thread 13 (Thread 0x7fa3def4d700 (LWP 2708)):
#0  0x00007fa4cee829f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b06a550d94) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fa4cee829f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55b06a550d40, cond=0x55b06a550d68) at pthread_cond_wait.c:502
#2  0x00007fa4cee829f3 in __pthread_cond_wait (cond=0x55b06a550d68, mutex=0x55b06a550d40) at pthread_cond_wait.c:655
#3  0x00007fa4cfcfc5ab in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fa4d3a816a8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007fa4d3a81b0a in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007fa4cfcfb17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fa4cee7c6db in start_thread (arg=0x7fa3def4d700) at pthread_create.c:463
#8  0x00007fa4cf5f688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7fa3df94e700 (LWP 2647)):
#0  0x00007fa4cee829f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b06a138704) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fa4cee829f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55b06a1386b0, cond=0x55b06a1386d8) at pthread_cond_wait.c:502
#2  0x00007fa4cee829f3 in __pthread_cond_wait (cond=0x55b06a1386d8, mutex=0x55b06a1386b0) at pthread_cond_wait.c:655
#3  0x00007fa4cfcfc5ab in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fa4d3a816a8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007fa4d3a81b0a in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007fa4cfcfb17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fa4cee7c6db in start_thread (arg=0x7fa3df94e700) at pthread_create.c:463
#8  0x00007fa4cf5f688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7fa3f56b9700 (LWP 2525)):
#0  0x00007fa4cff310d2 in QTimerInfoList::timerWait(timespec&) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007fa4cff3272e in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fa4ca151b28 in g_main_context_prepare () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa4ca1524fb in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fa4ca1526dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fa4cff329bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fa4cfed7a1a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fa4cfcf623a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fa3f5d82747 in KCupsConnection::run() () at /usr/lib/x86_64-linux-gnu/libkcupslib.so
#9  0x00007fa4cfcfb17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fa4cee7c6db in start_thread (arg=0x7fa3f56b9700) at pthread_create.c:463
#11 0x00007fa4cf5f688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7fa413fff700 (LWP 2470)):
#0  0x00007fa4cee829f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b068a1af24) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fa4cee829f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55b068a1aed0, cond=0x55b068a1aef8) at pthread_cond_wait.c:502
#2  0x00007fa4cee829f3 in __pthread_cond_wait (cond=0x55b068a1aef8, mutex=0x55b068a1aed0) at pthread_cond_wait.c:655
#3  0x00007fa4cfcfc5ab in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fa4d3a816a8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007fa4d3a81b0a in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007fa4cfcfb17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fa4cee7c6db in start_thread (arg=0x7fa413fff700) at pthread_create.c:463
#8  0x00007fa4cf5f688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7fa3f7fff700 (LWP 2464)):
#0  0x00007fa4cee829f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b068d57e24) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fa4cee829f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55b068d57dd0, cond=0x55b068d57df8) at pthread_cond_wait.c:502
#2  0x00007fa4cee829f3 in __pthread_cond_wait (cond=0x55b068d57df8, mutex=0x55b068d57dd0) at pthread_cond_wait.c:655
#3  0x00007fa4cfcfc5ab in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fa4d3a816a8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007fa4d3a81b0a in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007fa4cfcfb17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fa4cee7c6db in start_thread (arg=0x7fa3f7fff700) at pthread_create.c:463
#8  0x00007fa4cf5f688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7fa3fe90d700 (LWP 2419)):
#0  0x00007fa4ca15206c in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fa4ca152570 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa4ca1526dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa4cff329bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fa4cfed7a1a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fa4cfcf623a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fa4cfcfb17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fa4cee7c6db in start_thread (arg=0x7fa3fe90d700) at pthread_create.c:463
#8  0x00007fa4cf5f688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fa3ff10e700 (LWP 2418)):
#0  0x00007fa4ca198649 in g_mutex_lock () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fa4ca151995 in g_main_context_prepare () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa4ca1524fb in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa4ca1526dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fa4cff329bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fa4cfed7a1a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fa4cfcf623a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fa3ff6ec3c5 in  () at /usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/XmlListModel/libqmlxmllistmodelplugin.so
#8  0x00007fa4cfcfb17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fa4cee7c6db in start_thread (arg=0x7fa3ff10e700) at pthread_create.c:463
#10 0x00007fa4cf5f688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fa41c12e700 (LWP 1777)):
#0  0x00007fa4cf6056ff in __libc_enable_asynccancel () at ../sysdeps/unix/sysv/linux/x86_64/cancellation.S:67
#1  0x00007fa4cf5e9be6 in __GI___poll (fds=0x7fa414005840, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#2  0x00007fa4ca1525c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa4ca1526dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fa4cff329bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fa4cfed7a1a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fa4cfcf623a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fa4d3a022a6 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007fa4cfcfb17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fa4cee7c6db in start_thread (arg=0x7fa41c12e700) at pthread_create.c:463
#10 0x00007fa4cf5f688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fa4ab9d9700 (LWP 1548)):
#0  0x00007fa4cee829f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fa4d59d7fb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fa4cee829f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7fa4d59d7f68, cond=0x7fa4d59d7f90) at pthread_cond_wait.c:502
#2  0x00007fa4cee829f3 in __pthread_cond_wait (cond=0x7fa4d59d7f90, mutex=0x7fa4d59d7f68) at pthread_cond_wait.c:655
#3  0x00007fa4d56e15f4 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4  0x00007fa4d56e1639 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5  0x00007fa4cee7c6db in start_thread (arg=0x7fa4ab9d9700) at pthread_create.c:463
#6  0x00007fa4cf5f688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fa4b5b87700 (LWP 1476)):
#0  0x00007fa4ca151df2 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fa4ca152570 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa4ca1526dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa4cff329bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fa4cfed7a1a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fa4cfcf623a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fa4d2e686f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fa4cfcfb17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fa4cee7c6db in start_thread (arg=0x7fa4b5b87700) at pthread_create.c:463
#9  0x00007fa4cf5f688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fa4b7bf2700 (LWP 1474)):
#0  0x00007fa4cf5e9bf9 in __GI___poll (fds=0x7fa4ac004a00, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fa4ca1525c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa4ca1526dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa4cff329bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fa4cfed7a1a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fa4cfcf623a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fa4d2e686f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fa4cfcfb17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fa4cee7c6db in start_thread (arg=0x7fa4b7bf2700) at pthread_create.c:463
#9  0x00007fa4cf5f688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fa4bd7ec700 (LWP 1403)):
#0  0x00007fa4cf6056e0 in __libc_enable_asynccancel () at ../sysdeps/unix/sysv/linux/x86_64/cancellation.S:59
#1  0x00007fa4cf5e9be6 in __GI___poll (fds=0x7fa4b0004db0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#2  0x00007fa4ca1525c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa4ca1526dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fa4cff329bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fa4cfed7a1a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fa4cfcf623a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fa4d03afd45 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#8  0x00007fa4cfcfb17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fa4cee7c6db in start_thread (arg=0x7fa4bd7ec700) at pthread_create.c:463
#10 0x00007fa4cf5f688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fa4d601a800 (LWP 1383)):
[KCrash Handler]
#6  0x00007fa4d3a20268 in QQuickAnimatorProxyJob::sceneGraphInitialized() () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007fa4cff091d2 in QObject::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fa4d0ee183c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#9  0x00007fa4d0ee9104 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#10 0x00007fa4cfed99e8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007fa4cfedc15d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007fa4cff33373 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007fa4ca152417 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#14 0x00007fa4ca152650 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#15 0x00007fa4ca1526dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#16 0x00007fa4cff3299f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007fa4cfed7a1a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007fa4cfee0ac4 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x000055b065853cfa in  ()
#20 0x00007fa4cf4f6b97 in __libc_start_main (main=0x55b065853320, argc=1, argv=0x7ffc1194dd78, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc1194dd68) at ../csu/libc-start.c:310
#21 0x000055b06585409a in _start ()

Possible duplicates by query: bug 407247, bug 406919, bug 405965, bug 403223, bug 401319.

Reported using DrKonqi