[kde] [Bug 345448] New: KWin crashes on startup / login

[Stuart Campbell]

https://bugs.kde.org/show_bug.cgi?id=345448

            Bug ID: 345448
           Summary: KWin crashes on startup / login
           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: campbellsi at ornl.gov

Application: kwin_x11 (5.2.1)

Qt Version: 5.4.0
Operating System: Linux 3.19.1-201.fc21.x86_64 x86_64
Distribution: "Fedora release 21 (Twenty One)"

-- Information about the crash:
- What I was doing when the application crashed:

Select the Plasma session from SDDM and login.

I am running Fedora 21 using the plasma5 packages from dvraitl/plasma-5 copr
repo.

The crash can be reproduced every time.

-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
81    T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[KCrash Handler]
#5  0x00007f016e9b27a0 in xcb_setup_vendor_end () from /lib64/libxcb.so.1
#6  0x00007f016e9b27f9 in xcb_setup_pixmap_formats_iterator () from
/lib64/libxcb.so.1
#7  0x00007f016e9b2839 in xcb_setup_roots_iterator () from /lib64/libxcb.so.1
#8  0x00007f0175f55bc8 in KWin::ColorMapper::ColorMapper(QObject*) () from
/lib64/libkwin.so.5
#9  0x00007f0175f5dc5d in KWin::Workspace::Workspace(bool) () from
/lib64/libkwin.so.5
#10 0x00007f0176356e46 in
QtPrivate::QFunctorSlotObject<KWin::ApplicationX11::performStartup()::{lambda()#2},
0, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase*, QObject*,
void**, bool*) () from /lib64/libkdeinit5_kwin_x11.so
#11 0x00007f016ee8345a in QMetaObject::activate(QObject*, int, int, void**) ()
from /lib64/libQt5Core.so.5
#12 0x00007f016fca9c42 in KSelectionOwner::Private::claimSucceeded() () from
/lib64/libKF5WindowSystem.so.5
#13 0x00007f016fcaa4c1 in KSelectionOwner::filterEvent(void*) () from
/lib64/libKF5WindowSystem.so.5
#14 0x00007f016ee50ec0 in
QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) ()
from /lib64/libQt5Core.so.5
#15 0x00007f0157b4c87d in QXcbConnection::handleXcbEvent(xcb_generic_event_t*)
() from /usr/lib64/qt5/plugins/platforms/libqxcb.so
#16 0x00007f0157b4dd7b in QXcbConnection::processXcbEvents() () from
/usr/lib64/qt5/plugins/platforms/libqxcb.so
#17 0x00007f016ee84c2a in QObject::event(QEvent*) () from
/lib64/libQt5Core.so.5
#18 0x00007f016f73cd3c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib64/libQt5Widgets.so.5
#19 0x00007f016f742330 in QApplication::notify(QObject*, QEvent*) () from
/lib64/libQt5Widgets.so.5
#20 0x00007f016ee544ab in QCoreApplication::notifyInternal(QObject*, QEvent*)
() from /lib64/libQt5Core.so.5
#21 0x00007f016ee564eb in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /lib64/libQt5Core.so.5
#22 0x00007f016eea8cf2 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#23 0x00007f0157ba252d in
QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /usr/lib64/qt5/plugins/platforms/libqxcb.so
#24 0x00007f016ee51d42 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#25 0x00007f016ee597ec in QCoreApplication::exec() () from
/lib64/libQt5Core.so.5
#26 0x00007f0176357eab in kdemain () from /lib64/libkdeinit5_kwin_x11.so
#27 0x00007f016d8f0fe0 in __libc_start_main (main=0x400bc0 <main>, argc=3,
argv=0x7fff66f62e78, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7fff66f62e68) at libc-start.c:289
#28 0x0000000000400bee in _start ()

Reported using DrKonqi

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