[kde] [Bug 367883] New: Discovery crashes on start

Sat Aug 27 08:31:37 BST 2016

https://bugs.kde.org/show_bug.cgi?id=367883

            Bug ID: 367883
           Summary: Discovery crashes on start
           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: molly.moggins at gmail.com

Application: plasma-discover (5.6.5)

Qt Version: 5.5.1
Frameworks Version: 5.23.0
Operating System: Linux 4.4.0-34-generic x86_64
Distribution: Ubuntu 16.04.1 LTS

-- Information about the crash:
I just clicked on Discovery and it shut down as soon as it tried to start. It
did this three times in a row.

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 0x7fa77f4618c0 (LWP 17110))]

Thread 4 (Thread 0x7fa761772700 (LWP 17113)):
#0  0x00007fa77a75933f in __GI___pthread_getspecific (key=5) at
pthread_getspecific.c:60
#1  0x00007fa778b64070 in g_thread_self () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa778b3d49d in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa77c5dfa9b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fa77c586dea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fa77c3a38a4 in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fa77c3a884e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fa77a7526fa in start_thread (arg=0x7fa761772700) at
pthread_create.c:333
#8  0x00007fa77bcb1b5d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7fa76377a700 (LWP 17112)):
#0  0x00007fa77bca5e8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fa778b3d39c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa778b3d4ac in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa77c5dfa9b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fa77c586dea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fa77c3a38a4 in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fa77e8843c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fa77c3a884e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fa77a7526fa in start_thread (arg=0x7fa76377a700) at
pthread_create.c:333
#9  0x00007fa77bcb1b5d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7fa76ec9a700 (LWP 17111)):
#0  0x00007fa77bca5e8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fa777124c62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fa7771268d7 in xcb_wait_for_event () from
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fa77165c629 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007fa77c3a884e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fa77a7526fa in start_thread (arg=0x7fa76ec9a700) at
pthread_create.c:333
#6  0x00007fa77bcb1b5d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fa77f4618c0 (LWP 17110)):
[KCrash Handler]
#6  0x00007fa77bbe0418 in __GI_raise (sig=sig at entry=6) at
../sysdeps/unix/sysv/linux/raise.c:54
#7  0x00007fa77bbe201a in __GI_abort () at abort.c:89
#8  0x00007fa77c395ff1 in QMessageLogger::fatal(char const*, ...) const () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fa77ed98af1 in
QSGRenderLoop::handleContextCreationFailure(QQuickWindow*, bool) () from
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#10 0x00007fa77eda1332 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007fa77eda1733 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#12 0x00007fa77c8d62f5 in QWindow::event(QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#13 0x00007fa77edd4871 in QQuickWindow::event(QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#14 0x000000000040dccc in ?? ()
#15 0x00007fa77ce7e05c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007fa77ce83516 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#17 0x00007fa77c58962b in QCoreApplication::notifyInternal(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007fa77c8ce4ec in
QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#19 0x00007fa77c8cf25d in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#20 0x00007fa77c8b2f38 in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#21 0x00007fa77168e070 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#22 0x00007fa778b3d1a7 in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007fa778b3d400 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007fa778b3d4ac in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007fa77c5dfa7f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007fa77c586dea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007fa77c58ee8c in QCoreApplication::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x000000000040a649 in ?? ()
#29 0x00007fa77bbcb830 in __libc_start_main (main=0x409970, argc=1,
argv=0x7ffda44b4708, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffda44b46f8) at ../csu/libc-start.c:291
#30 0x000000000040a969 in _start ()

Possible duplicates by query: bug 364721, bug 362635, bug 362228, bug 355096,
bug 353914.

Reported using DrKonqi

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