Bug 377466

Summary: crash during usage
Product: [Applications] Discover Reporter: Aleix Pol <aleixpol>
Component: discoverAssignee: Aleix Pol <aleixpol>
Status: RESOLVED DUPLICATE    
Severity: crash CC: admin
Priority: NOR Keywords: drkonqi
Version: unspecified   
Target Milestone: ---   
Platform: unspecified   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description Aleix Pol 2017-03-10 15:25:05 UTC 
Application: plasma-discover (5.9.90)

Qt Version: 5.7.1
Frameworks Version: 5.32.0
Operating System: Linux 4.8.0-36-generic x86_64
Distribution: KDE neon Developer Edition

-- Information about the crash:
- What I was doing when the application crashed:
* search inkscape
* install inkscape

It crashed while installing, the search continued though

-- 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 0x7f36095828c0 (LWP 9145))]

Thread 9 (Thread 0x7f35be7fc700 (LWP 9209)):
#0  0x00007f36058b369d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f3600cd16f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3600c8de74 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3600c8e330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3600c8e49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f36064e075b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f360648b0ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f36062baf64 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f36062bfb48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f3602d496ba in start_thread (arg=0x7f35be7fc700) at pthread_create.c:333
#10 0x00007f36058c382d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7f35bcff9700 (LWP 9199)):
#0  0x00007f36058b7b5d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f3600c8e38c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3600c8e49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f36064e075b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f360648b0ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f36062baf64 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f36062bfb48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f3602d496ba in start_thread (arg=0x7f35bcff9700) at pthread_create.c:333
#8  0x00007f36058c382d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f35d5960700 (LWP 9155)):
#0  0x00007f3600c8dcf6 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f3600c8e330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3600c8e49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f36064e075b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f360648b0ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f36062baf64 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f36062bfb48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f3602d496ba in start_thread (arg=0x7f35d5960700) at pthread_create.c:333
#8  0x00007f36058c382d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f35d7e2c700 (LWP 9152)):
#0  0x00007f36062b6f69 in QMutex::lock() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007f36064e0029 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f3600c8ddc1 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3600c8e330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3600c8e49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f36064e075b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f360648b0ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f36062baf64 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f36062bfb48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f3602d496ba in start_thread (arg=0x7f35d7e2c700) at pthread_create.c:333
#10 0x00007f36058c382d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f35e2139700 (LWP 9150)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f36062c09fb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f3608c7247d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007f3608c72d55 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f36062bfb48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f3602d496ba in start_thread (arg=0x7f35e2139700) at pthread_create.c:333
#6  0x00007f36058c382d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f35ef121700 (LWP 9149)):
#0  0x00007f36058b369d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f3600cd16f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3600c8de74 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3600c8e330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3600c8e49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f36064e075b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f360648b0ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f36062baf64 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f3608c02fc6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#9  0x00007f36062bfb48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f3602d496ba in start_thread (arg=0x7f35ef121700) at pthread_create.c:333
#11 0x00007f36058c382d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f35f481c700 (LWP 9147)):
#0  0x00007f3600cd2a79 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f3600c8d929 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3600c8e2bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3600c8e49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f36064e075b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f360648b0ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f36062baf64 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f3606c31bf5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f36062bfb48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f3602d496ba in start_thread (arg=0x7f35f481c700) at pthread_create.c:333
#10 0x00007f36058c382d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f35f5a2d700 (LWP 9146)):
#0  0x00007f36058b369d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f3600cd16f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3600c8de74 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3600c8e330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3600c8e49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f36064e075b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f360648b0ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f36062baf64 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f36096c7735 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#9  0x00007f36062bfb48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f3602d496ba in start_thread (arg=0x7f35f5a2d700) at pthread_create.c:333
#11 0x00007f36058c382d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f36095828c0 (LWP 9145)):
[KCrash Handler]
#6  0x00007f3606b9f432 in QQmlData::isSignalConnected(QAbstractDeclarativeData*, QObject const*, int) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f36064b787a in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f36088dca02 in ResultsStream::resourcesFound (this=<optimized out>, _t1=...) at /workspace/build/obj-x86_64-linux-gnu/libdiscover/moc_AbstractResourcesBackend.cpp:140
#9  0x00007f35d9d9cf5c in PackageKitBackend::<lambda()>::operator() (__closure=0x35e97e0) at /workspace/build/libdiscover/backends/PackageKitBackend/PackageKitBackend.cpp:418
#10 QtPrivate::FunctorCall<QtPrivate::IndexesList<>, QtPrivate::List<>, void, PackageKitBackend::search(const AbstractResourcesBackend::Filters&)::<lambda()> >::call (arg=<optimized out>, f=...) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:135
#11 QtPrivate::Functor<PackageKitBackend::search(const AbstractResourcesBackend::Filters&)::<lambda()>, 0>::call<QtPrivate::List<>, void> (arg=<optimized out>, f=...) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:192
#12 QtPrivate::QFunctorSlotObject<PackageKitBackend::search(const AbstractResourcesBackend::Filters&)::<lambda()>, 0, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *, void **, bool *) (which=<optimized out>, this_=0x35e97d0, r=<optimized out>, a=<optimized out>, ret=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobject_impl.h:169
#13 0x00007f36064b81f6 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f35d9b625ff in PackageKit::Transaction::finished(PackageKit::Transaction::Exit, unsigned int) () from /usr/lib/x86_64-linux-gnu/libpackagekitqt5.so.0
#15 0x00007f35d9b6789d in PackageKit::TransactionPrivate::finished(unsigned int, unsigned int) () from /usr/lib/x86_64-linux-gnu/libpackagekitqt5.so.0
#16 0x00007f35d9b67b70 in PackageKit::TransactionPrivate::daemonQuit() () from /usr/lib/x86_64-linux-gnu/libpackagekitqt5.so.0
#17 0x00007f35d9b64da9 in ?? () from /usr/lib/x86_64-linux-gnu/libpackagekitqt5.so.0
#18 0x00007f36064b7e89 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007f35d9b6085e in PackageKit::DaemonPrivate::serviceOwnerChanged(QString const&, QString const&, QString const&) () from /usr/lib/x86_64-linux-gnu/libpackagekitqt5.so.0
#20 0x00007f35d9b5a9d8 in ?? () from /usr/lib/x86_64-linux-gnu/libpackagekitqt5.so.0
#21 0x00007f36064b7e89 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007f36097200df in QDBusServiceWatcher::serviceOwnerChanged(QString const&, QString const&, QString const&) () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#23 0x00007f360972018f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#24 0x00007f360972070f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#25 0x00007f3609720ae0 in QDBusServiceWatcher::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#26 0x00007f36096d3923 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#27 0x00007f36064b8d99 in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00007f36073efecc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#29 0x00007f36073f78c6 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#30 0x00007f360648d0c8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#31 0x00007f360648f78b in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007f36064e0333 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x00007f3600c8e197 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007f3600c8e3f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007f3600c8e49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007f36064e075b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#37 0x00007f360648b0ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#38 0x00007f36064936cc in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#39 0x000000000040d601 in ?? ()
#40 0x00007f36057dd830 in __libc_start_main (main=0x40cee0, argc=1, argv=0x7ffe9e9a42c8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe9e9a42b8) at ../csu/libc-start.c:291
#41 0x000000000040d859 in _start ()

Possible duplicates by query: bug 376162.

Reported using DrKonqi
Comment 1 Dan Leinir Turthra Jensen 2017-04-19 09:56:33 UTC 
Thank you for reporting :) After investigating root causes and whatnot, it turns out this is indeed the same bug as 376162, which has now been fixed. Closing this as a duplicate, but rest assured you helped to find out what was going on!

*** This bug has been marked as a duplicate of bug 376162 ***