[kde] [Bug 377996] New: Discover crashes when starting

bugzilla_noreply at kde.org bugzilla_noreply at kde.org
Thu Mar 23 22:07:40 GMT 2017 

https://bugs.kde.org/show_bug.cgi?id=377996

            Bug ID: 377996
           Summary: Discover crashes when starting
           Product: kde
           Version: unspecified
          Platform: unspecified
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: funkyafroinc at gmail.com
  Target Milestone: ---

Application: plasma-discover (5.7.5)

Qt Version: 5.6.1
Frameworks Version: 5.26.0
Operating System: Linux 4.8.0-42-generic x86_64
Distribution: Ubuntu 16.10

-- Information about the crash:
- What I was doing when the application crashed:
Trying to start Discover either from the update icon in the system tray or
directly from the launcher

The crash can be reproduced every time.

-- Backtrace:
Application: Discover (plasma-discover), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f94f343bd40 (LWP 143470))]

Thread 5 (Thread 0x7f94de22c700 (LWP 143474)):
#0  0x00007f94fa9f3042 in g_mutex_unlock () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f94fa9acecc in g_main_context_prepare () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f94fa9ad8fb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f94fa9adaec in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f94fe3644ab in QEventDispatcherGlib::processEvents
(this=0x7f94d40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#5  0x00007f94fe30c0fa in QEventLoop::exec (this=this at entry=0x7f94de22bd00,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f94fe131d43 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:500
#7  0x00007f94fe136c68 in QThreadPrivate::start (arg=0x55c7cead7c50) at
thread/qthread_unix.cpp:341
#8  0x00007f94faed16ca in start_thread (arg=0x7f94de22c700) at
pthread_create.c:333
#9  0x00007f94fd7390af in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 4 (Thread 0x7f94e6958700 (LWP 143473)):
#0  0x00007f94fa9f3029 in g_mutex_lock () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f94fa9acee5 in g_main_context_prepare () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f94fa9ad8fb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f94fa9adaec in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f94fe3644ab in QEventDispatcherGlib::processEvents
(this=0x7f94d80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#5  0x00007f94fe30c0fa in QEventLoop::exec (this=this at entry=0x7f94e6957ce0,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f94fe131d43 in QThread::exec (this=this at entry=0x55c7ce6c2d30) at
thread/qthread.cpp:500
#7  0x00007f95002f6c65 in QQmlThreadPrivate::run (this=0x55c7ce6c2d30) at
qml/ftw/qqmlthread.cpp:141
#8  0x00007f94fe136c68 in QThreadPrivate::start (arg=0x55c7ce6c2d30) at
thread/qthread_unix.cpp:341
#9  0x00007f94faed16ca in start_thread (arg=0x7f94e6958700) at
pthread_create.c:333
#10 0x00007f94fd7390af in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 3 (Thread 0x7f94e7b69700 (LWP 143472)):
#0  0x00007f94fd728c8d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f94fa9f1c80 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f94fa9ad485 in g_main_context_check () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f94fa9ad974 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f94fa9adaec in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f94fe3644ab in QEventDispatcherGlib::processEvents
(this=0x7f94e00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#6  0x00007f94fe30c0fa in QEventLoop::exec (this=this at entry=0x7f94e7b68cd0,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:204
#7  0x00007f94fe131d43 in QThread::exec (this=this at entry=0x7f94fb7ddd60
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread.cpp:500
#8  0x00007f94fb769575 in QDBusConnectionManager::run (this=0x7f94fb7ddd60
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
qdbusconnection.cpp:171
#9  0x00007f94fe136c68 in QThreadPrivate::start (arg=0x7f94fb7ddd60 <(anonymous
namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread_unix.cpp:341
#10 0x00007f94faed16ca in start_thread (arg=0x7f94e7b69700) at
pthread_create.c:333
#11 0x00007f94fd7390af in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 2 (Thread 0x7f94f04dd700 (LWP 143471)):
#0  0x00007f94fd72d0bd in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f94f8b37c62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f94f8b398d7 in xcb_wait_for_event () from
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f94f3067299 in QXcbEventReader::run (this=0x55c7ce6293f0) at
qxcbconnection.cpp:1325
#4  0x00007f94fe136c68 in QThreadPrivate::start (arg=0x55c7ce6293f0) at
thread/qthread_unix.cpp:341
#5  0x00007f94faed16ca in start_thread (arg=0x7f94f04dd700) at
pthread_create.c:333
#6  0x00007f94fd7390af in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 1 (Thread 0x7f94f343bd40 (LWP 143470)):
[KCrash Handler]
#6  __GI_raise (sig=sig at entry=6) at ../sysdeps/unix/sysv/linux/raise.c:58
#7  0x00007f94fd6683ea in __GI_abort () at abort.c:89
#8  0x00007f94fe11dcc1 in qt_message_fatal (context=..., message=<synthetic
pointer>...) at global/qlogging.cpp:1648
#9  QMessageLogger::fatal (this=this at entry=0x7fff482f1250,
msg=msg at entry=0x7f950097fce2 "%s") at global/qlogging.cpp:790
#10 0x00007f95007eda13 in QSGRenderLoop::handleContextCreationFailure
(this=this at entry=0x55c7ce85ae50, window=0x55c7ce7eb900, isEs=isEs at entry=false)
at scenegraph/qsgrenderloop.cpp:262
#11 0x00007f95007f5b82 in QSGThreadedRenderLoop::handleExposure
(this=this at entry=0x55c7ce85ae50, window=window at entry=0x55c7ce7eb900) at
scenegraph/qsgthreadedrenderloop.cpp:946
#12 0x00007f95007f5f63 in QSGThreadedRenderLoop::exposureChanged
(this=0x55c7ce85ae50, window=0x55c7ce7eb900) at
scenegraph/qsgthreadedrenderloop.cpp:884
#13 0x00007f94fe8fff65 in QWindow::event (this=this at entry=0x55c7ce7eb900,
ev=ev at entry=0x7fff482f16b0) at kernel/qwindow.cpp:2096
#14 0x00007f9500829a13 in QQuickWindow::event (this=0x55c7ce7eb900,
e=0x7fff482f16b0) at items/qquickwindow.cpp:1473
#15 0x00007f94feedc8ac in QApplicationPrivate::notify_helper (this=<optimized
out>, receiver=0x55c7ce7eb900, e=0x7fff482f16b0) at
kernel/qapplication.cpp:3804
#16 0x00007f94feee1d4f in QApplication::notify (this=0x7fff482f1a70,
receiver=0x55c7ce7eb900, e=0x7fff482f16b0) at kernel/qapplication.cpp:3561
#17 0x00007f94fe30e3b0 in QCoreApplication::notifyInternal2
(receiver=receiver at entry=0x55c7ce7eb900, event=event at entry=0x7fff482f16b0) at
kernel/qcoreapplication.cpp:1015
#18 0x00007f94fe8f529d in QCoreApplication::sendSpontaneousEvent
(event=0x7fff482f16b0, receiver=0x55c7ce7eb900) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:228
#19 QGuiApplicationPrivate::processExposeEvent (e=0x55c7ce6ba280) at
kernel/qguiapplication.cpp:2736
#20 0x00007f94fe8f5e7d in QGuiApplicationPrivate::processWindowSystemEvent
(e=e at entry=0x55c7ce6ba280) at kernel/qguiapplication.cpp:1718
#21 0x00007f94fe8d3b2b in QWindowSystemInterface::sendWindowSystemEvents
(flags=...) at kernel/qwindowsysteminterface.cpp:648
#22 0x00007f94f309d660 in userEventSourceDispatch (source=<optimized out>) at
eventdispatchers/qeventdispatcher_glib.cpp:70
#23 0x00007f94fa9ad7d7 in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f94fa9ada40 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f94fa9adaec in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007f94fe36448f in QEventDispatcherGlib::processEvents
(this=0x55c7ce665760, flags=...) at kernel/qeventdispatcher_glib.cpp:417
#27 0x00007f94fe30c0fa in QEventLoop::exec (this=this at entry=0x7fff482f1990,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:204
#28 0x00007f94fe31490c in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1285
#29 0x000055c7cd5be699 in ?? ()
#30 0x00007f94fd6513f1 in __libc_start_main (main=0x55c7cd5bdf90, argc=3,
argv=0x7fff482f1c08, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7fff482f1bf8) at ../csu/libc-start.c:291
#31 0x000055c7cd5be7ba in _start ()

Possible duplicates by query: bug 364721, bug 364342.

Reported using DrKonqi

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