https://bugs.kde.org/show_bug.cgi?id=393615

            Bug ID: 393615
           Summary: systemsettings5 > App Style > QtCurve config crash
           Product: systemsettings
           Version: 5.12.4
          Platform: Ubuntu Packages
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: plasma-b...@kde.org
          Reporter: neoaet...@yahoo.com
  Target Milestone: ---

Application: systemsettings5 (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:
Kubuntu v18.04, release build

apt-get install qtcurve

Cmd: systemsettings5
Application Style...
Widget Style... > QtCurve
..
kf5.kxmlgui: cannot find .rc file "QtCurveui.rc" for component "QtCurve"
pure virtual method called
terminate called without an active exception
KCrash: crashing... crashRecursionCounter = 2
KCrash: Application Name = systemsettings5 path = /usr/bin pid = 1293
KCrash: Arguments: /usr/bin/systemsettings5 
KCrash: Attempting to start /usr/lib/x86_64-linux-gnu/libexec/drkonqi from
kdeinit
sock_file=/run/user/0/kdeinit5__0


Empty file created at: /usr/local/share/kxmlgui5/QtCurve/QtCurveui.rc
Not actually sure if that's where it's supposed to go but.., it gives this:

Error parsing XML document: "unexpected end of file" at line 2 column 1
KCrash: crashing... crashRecursionCounter = 2
KCrash: Application Name = systemsettings5 path = /usr/bin pid = 1451
KCrash: Arguments: /usr/bin/systemsettings5 
KCrash: Attempting to start /usr/lib/x86_64-linux-gnu/libexec/drkonqi from
kdeinit
sock_file=/run/user/0/kdeinit5__0

May be releated commit:
https://cgit.kde.org/qtcurve.git/commit/?id=35f231376fae0523219f11ecd750a2f12622d54b

Previously built a later ver on Kubuntu17.10 at it was doing the same thing
though.
I Don't think I have a default qtcurve5 rc file as far as I know...
It was working fine by default on Kubuntu 17.10.

Fesh install, bunch of other packeages installed.
Very little customation.

I know you can set the env varible but like I said I don't have a config file I
think anyways.
And I'm not actually sure if that's the real reason it's crashing.

There's also no KDE_INSTALL_KXMLGUI5DIR env varible on this setup...
I don't know if that matters.

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fb94c9f8800 (LWP 1851))]

Thread 7 (Thread 0x7fb917fff700 (LWP 1858)):
#0  0x00007fb9445f99f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55c8471ecda8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55c8471ecd58,
cond=0x55c8471ecd80) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55c8471ecd80, mutex=0x55c8471ecd58) at
pthread_cond_wait.c:655
#3  0x00007fb928f6c86b in ?? () from
/usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#4  0x00007fb928f6c6e7 in ?? () from
/usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#5  0x00007fb9445f36db in start_thread (arg=0x7fb917fff700) at
pthread_create.c:463
#6  0x00007fb94844d88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fb91ecdc700 (LWP 1857)):
#0  0x00007fb9445f99f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55c8471ecc40) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55c8471ecbf0,
cond=0x55c8471ecc18) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55c8471ecc18, mutex=0x55c8471ecbf0) at
pthread_cond_wait.c:655
#3  0x00007fb928f6c86b in ?? () from
/usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#4  0x00007fb928f6c6e7 in ?? () from
/usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#5  0x00007fb9445f36db in start_thread (arg=0x7fb91ecdc700) at
pthread_create.c:463
#6  0x00007fb94844d88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fb91f4dd700 (LWP 1856)):
#0  0x00007fb9445f99f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55c8471ecad8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55c8471eca88,
cond=0x55c8471ecab0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55c8471ecab0, mutex=0x55c8471eca88) at
pthread_cond_wait.c:655
#3  0x00007fb928f6c86b in ?? () from
/usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#4  0x00007fb928f6c6e7 in ?? () from
/usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#5  0x00007fb9445f36db in start_thread (arg=0x7fb91f4dd700) at
pthread_create.c:463
#6  0x00007fb94844d88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fb91fcde700 (LWP 1855)):
#0  0x00007fb9445f99f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55c8471ec970) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55c8471ec920,
cond=0x55c8471ec948) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55c8471ec948, mutex=0x55c8471ec920) at
pthread_cond_wait.c:655
#3  0x00007fb928f6c86b in ?? () from
/usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#4  0x00007fb928f6c6e7 in ?? () from
/usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#5  0x00007fb9445f36db in start_thread (arg=0x7fb91fcde700) at
pthread_create.c:463
#6  0x00007fb94844d88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fb92bb89700 (LWP 1854)):
#0  0x00007fb94843c0b4 in __GI___libc_read (fd=7, buf=0x7fb92bb88b60,
nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007fb9422e7960 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb9422a2f27 in g_main_context_check () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb9422a33e0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fb9422a354c in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fb948d8e90b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fb948d339ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fb948b5222a in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fb94a698d45 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#9  0x00007fb948b5716d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fb9445f36db in start_thread (arg=0x7fb92bb89700) at
pthread_create.c:463
#11 0x00007fb94844d88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fb939aa1700 (LWP 1853)):
#0  0x00007fb948440bf9 in __GI___poll (fds=0x7fb939aa0ca8, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fb944182747 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fb94418436a in xcb_wait_for_event () from
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fb93c84e2a9 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007fb948b5716d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fb9445f36db in start_thread (arg=0x7fb939aa1700) at
pthread_create.c:463
#6  0x00007fb94844d88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fb94c9f8800 (LWP 1851)):
[KCrash Handler]
#6  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
#7  0x00007fb94836c801 in __GI_abort () at abort.c:79
#8  0x00007fb94bf57c8e in KXMLGUIClient::setXML(QString const&, bool) () from
/usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#9  0x00007fb94bf586e2 in ?? () from
/usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#10 0x00007fb94bf751ee in KXmlGuiWindow::createGUI(QString const&) () from
/usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#11 0x00007fb917364621 in ?? () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/kstyle_qtcurve5_config.so
#12 0x00007fb91736d21d in ?? () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/kstyle_qtcurve5_config.so
#13 0x00007fb91737b71c in ?? () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/kstyle_qtcurve5_config.so
#14 0x00007fb91737b851 in allocate_kstyle_config () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/kstyle_qtcurve5_config.so
#15 0x00007fb9175f0613 in ?? () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/kcm_style.so
#16 0x00007fb948d646cf in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007fb949e36b82 in QAbstractButton::clicked(bool) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#18 0x00007fb949e36d9a in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#19 0x00007fb949e3817a in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007fb949e3836d in QAbstractButton::mouseReleaseEvent(QMouseEvent*) ()
from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#21 0x00007fb949d84038 in QWidget::event(QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#22 0x00007fb949d4582c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#23 0x00007fb949d4d64f in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#24 0x00007fb948d359a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007fb949d4c622 in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#26 0x00007fb949d9f14b in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#27 0x00007fb949da17ba in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#28 0x00007fb949d4582c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#29 0x00007fb949d4d0f4 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#30 0x00007fb948d359a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#31 0x00007fb949589523 in
QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#32 0x00007fb94958aff5 in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#33 0x00007fb9495622eb in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#34 0x00007fb93c8b11c0 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#35 0x00007fb9422a3287 in g_main_context_dispatch () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007fb9422a34c0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007fb9422a354c in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#38 0x00007fb948d8e8ef in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#39 0x00007fb948d339ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#40 0x00007fb948d3ca84 in QCoreApplication::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#41 0x000055c845291e44 in ?? ()
#42 0x00007fb94834db97 in __libc_start_main (main=0x55c845291a40, argc=1,
argv=0x7ffca7fe5d88, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffca7fe5d78) at ../csu/libc-start.c:310
#43 0x000055c845291eca in _start ()

Possible duplicates by query: bug 185376.

Reported using DrKonqi

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