https://bugs.kde.org/show_bug.cgi?id=395966
Bug ID: 395966
Summary: Discover app crash
Product: Discover
Version: 5.12.4
Platform: Ubuntu Packages
OS: Linux
Status: UNCONFIRMED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: discover
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Application: plasma-discover (5.12.4)
Qt Version: 5.9.5
Frameworks Version: 5.44.0
Operating System: Linux 4.15.0-20-generic x86_64
Distribution: Ubuntu 18.04 LTS
-- Information about the crash:
The app automatically crashed soon after it was opened. Same happened multiple
times. I opened the app, clicked on check updates and it crashed.
The crash can be reproduced every time.
-- 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 0x7f644c1ecf40 (LWP 1638))]
Thread 8 (Thread 0x7f64055e2700 (LWP 1647)):
#0 0x00007f6442206cf4 in g_mutex_unlock () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1 0x00007f64421c0c39 in g_main_context_query () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f64421c13b7 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f64421c154c in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007f644822090b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f64481c59ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007f6447fe422a in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f6447fe916d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8 0x00007f64440e66db in start_thread (arg=0x7f64055e2700) at
pthread_create.c:463
#9 0x00007f64478df88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 7 (Thread 0x7f64152bd700 (LWP 1644)):
#0 0x00007f64478ce0b4 in __GI___libc_read (fd=17, buf=0x7f64152bcb90,
nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1 0x00007f6442205960 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f64421c0f27 in g_main_context_check () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f64421c13e0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007f64421c154c in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5 0x00007f644822090b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007f64481c59ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f6447fe422a in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8 0x00007f6447fe916d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9 0x00007f64440e66db in start_thread (arg=0x7f64152bd700) at
pthread_create.c:463
#10 0x00007f64478df88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 6 (Thread 0x7f641683e700 (LWP 1643)):
#0 0x00007f644821f12c in QTimerInfoList::timerWait(timespec&) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1 0x00007f644822067e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2 0x00007f64421c0998 in g_main_context_prepare () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f64421c136b in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007f64421c154c in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5 0x00007f644822090b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007f64481c59ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f6447fe422a in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8 0x00007f6447fe916d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9 0x00007f64440e66db in start_thread (arg=0x7f641683e700) at
pthread_create.c:463
#10 0x00007f64478df88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 5 (Thread 0x7f641fdf6700 (LWP 1642)):
#0 0x00007f64478ce0b4 in __GI___libc_read (fd=13, buf=0x7f641fdf5b20,
nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1 0x00007f6442205960 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f64421c0f27 in g_main_context_check () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f64421c13e0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007f64421c154c in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5 0x00007f644822090b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007f64481c59ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f6447fe422a in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8 0x00007f644b3c32a6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#9 0x00007f6447fe916d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f64440e66db in start_thread (arg=0x7f641fdf6700) at
pthread_create.c:463
#11 0x00007f64478df88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 4 (Thread 0x7f642f153700 (LWP 1641)):
#0 0x00007f64478d2bf9 in __GI___poll (fds=0x7f6420004a00, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007f64421c1439 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f64421c154c in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f644822090b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f64481c59ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f6447fe422a in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007f6448bfa6f5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7 0x00007f6447fe916d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8 0x00007f64440e66db in start_thread (arg=0x7f642f153700) at
pthread_create.c:463
#9 0x00007f64478df88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 3 (Thread 0x7f6430364700 (LWP 1640)):
#0 0x00007f64478ce0b4 in __GI___libc_read (fd=7, buf=0x7f6430363b60,
nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1 0x00007f6442205960 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f64421c0f27 in g_main_context_check () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f64421c13e0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007f64421c154c in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5 0x00007f644822090b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007f64481c59ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f6447fe422a in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8 0x00007f644a385d45 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#9 0x00007f6447fe916d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f64440e66db in start_thread (arg=0x7f6430364700) at
pthread_create.c:463
#11 0x00007f64478df88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 2 (Thread 0x7f643988f700 (LWP 1639)):
#0 0x00007f64478d2bf9 in __GI___poll (fds=0x7f643988eca8, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007f6441f58747 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2 0x00007f6441f5a36a in xcb_wait_for_event () from
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3 0x00007f643c63c2a9 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4 0x00007f6447fe916d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f64440e66db in start_thread (arg=0x7f643988f700) at
pthread_create.c:463
#6 0x00007f64478df88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 1 (Thread 0x7f644c1ecf40 (LWP 1638)):
[KCrash Handler]
#6 0x0000000000000000 in ?? ()
#7 0x00007f644b069b1f in
AbstractResourcesBackend::Filters::shouldFilter(AbstractResource*) const ()
from /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#8 0x00007f644b069ded in
AbstractResourcesBackend::Filters::filterJustInCase(QVector<AbstractResource*>&)
const () from /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#9 0x00007f644b061422 in
ResourcesProxyModel::addResources(QVector<AbstractResource*> const&) () from
/usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#10 0x00007f64481f66cf in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f644b07a3d2 in
ResultsStream::resourcesFound(QVector<AbstractResource*> const&) () from
/usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#12 0x00007f644b0595e0 in AggregatedResultsStream::emitResults() () from
/usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#13 0x00007f644b059639 in AggregatedResultsStream::clear() () from
/usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#14 0x00007f644b05a7b3 in AggregatedResultsStream::destruction(QObject*) ()
from /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#15 0x00007f64481f66cf in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007f64481f6d2f in QObject::destroyed(QObject*) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007f64481fd44a in QObject::~QObject() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f644b0696b9 in ResultsStream::~ResultsStream() () from
/usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#19 0x00007f64481f7140 in QObject::event(QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007f64497d482c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#21 0x00007f64497dc0f4 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#22 0x00007f64481c79a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007f64481ca11d in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007f64482212c3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007f64421c1287 in g_main_context_dispatch () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007f64421c14c0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007f64421c154c in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007f64482208ef in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00007f64481c59ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#30 0x00007f64481cea84 in QCoreApplication::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#31 0x0000555b9d91af58 in ?? ()
#32 0x00007f64477dfb97 in __libc_start_main (main=0x555b9d91a680, argc=1,
argv=0x7fff946df9c8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7fff946df9b8) at ../csu/libc-start.c:310
#33 0x0000555b9d91b13a in _start ()
Possible duplicates by query: bug 395588, bug 395551, bug 395270, bug 394722,
bug 394642.
Reported using DrKonqi
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