358370 2016-01-22 12:15:37 +0000 Crash when using NoMachine to remote login. 2016-03-28 12:42:04 +0000 1 1 8 I don't know kde general unspecified unspecified Linux RESOLVED UPSTREAM drkonqi NOR crash --- 0 andamu unassigned-bugs-null grgoffe henryju 0 oldest_to_newest 1571279 0 andamu 2016-01-22 12:15:37 +0000 Application: polkit-kde-authentication-agent-1 (5.5.3) Qt Version: 5.5.1 Operating System: Linux 4.3.3-301.fc23.x86_64 x86_64 Distribution: "Fedora release 23 (Twenty Three)" -- Information about the crash: - What I was doing when the application crashed: Using NoMachine client from Windows to acces a NoMachine server (with ssh) on KDE Plasma 5 desktop on Fedora 23, causes all sorts of crashes, starting with kdeinit5, plasmashell, kwin etc. - Unusual behavior I noticed: Desktop dissapears, plasmashell crashes, but process remains. The crash can be reproduced sometimes. -- Backtrace: Application: PolicyKit1 KDE Agent (polkit-kde-authentication-agent-1), signal: Segmentation fault Using host libthread_db library "/lib64/libthread_db.so.1". [Current thread is 1 (Thread 0x7fa170840900 (LWP 2319))] Thread 5 (Thread 0x7fa155bf6700 (LWP 2320)): #0 0x00007fa16c645fdd in poll () from /lib64/libc.so.6 #1 0x00007fa168fd1272 in _xcb_conn_wait () from /lib64/libxcb.so.1 #2 0x00007fa168fd2ee7 in xcb_wait_for_event () from /lib64/libxcb.so.1 #3 0x00007fa157dbfda9 in QXcbEventReader::run() () from /lib64/libQt5XcbQpa.so.5 #4 0x00007fa16d2623de in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5 #5 0x00007fa168ba660a in start_thread () from /lib64/libpthread.so.0 #6 0x00007fa16c651a4d in clone () from /lib64/libc.so.6 Thread 4 (Thread 0x7fa14c24e700 (LWP 2323)): #0 0x00007fa16c641bcd in read () from /lib64/libc.so.6 #1 0x00007fa169a14390 in g_wakeup_acknowledge () from /lib64/libglib-2.0.so.0 #2 0x00007fa1699d0c64 in g_main_context_check () from /lib64/libglib-2.0.so.0 #3 0x00007fa1699d1110 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0 #4 0x00007fa1699d127c in g_main_context_iteration () from /lib64/libglib-2.0.so.0 #5 0x00007fa1699d12b9 in glib_worker_main () from /lib64/libglib-2.0.so.0 #6 0x00007fa1699f7835 in g_thread_proxy () from /lib64/libglib-2.0.so.0 #7 0x00007fa168ba660a in start_thread () from /lib64/libpthread.so.0 #8 0x00007fa16c651a4d in clone () from /lib64/libc.so.6 Thread 3 (Thread 0x7fa143fff700 (LWP 2324)): #0 0x00007fa169a15737 in g_mutex_unlock () from /lib64/libglib-2.0.so.0 #1 0x00007fa1699d108e in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0 #2 0x00007fa1699d14f2 in g_main_loop_run () from /lib64/libglib-2.0.so.0 #3 0x00007fa1696e7336 in gdbus_shared_thread_func () from /lib64/libgio-2.0.so.0 #4 0x00007fa1699f7835 in g_thread_proxy () from /lib64/libglib-2.0.so.0 #5 0x00007fa168ba660a in start_thread () from /lib64/libpthread.so.0 #6 0x00007fa16c651a4d in clone () from /lib64/libc.so.6 Thread 2 (Thread 0x7fa14133e700 (LWP 3653)): #0 0x00007fa168babb10 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007fa149d293b3 in radeon_drm_cs_emit_ioctl () from /usr/lib64/dri/radeonsi_dri.so #2 0x00007fa149d28b07 in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so #3 0x00007fa168ba660a in start_thread () from /lib64/libpthread.so.0 #4 0x00007fa16c651a4d in clone () from /lib64/libc.so.6 Thread 1 (Thread 0x7fa170840900 (LWP 2319)): [KCrash Handler] #5 0x00007fa157dd055c in QXcbScreen::mapFromNative(QPoint const&) const () from /lib64/libQt5XcbQpa.so.5 #6 0x00007fa157dd89ba in QXcbWindow::handleEnterNotifyEvent(xcb_enter_notify_event_t const*) () from /lib64/libQt5XcbQpa.so.5 #7 0x00007fa157dc1afd in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () from /lib64/libQt5XcbQpa.so.5 #8 0x00007fa157dc2433 in QXcbConnection::processXcbEvents() () from /lib64/libQt5XcbQpa.so.5 #9 0x00007fa16d473161 in QObject::event(QEvent*) () from /lib64/libQt5Core.so.5 #10 0x00007fa16e5d341c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5 #11 0x00007fa16e5d88e6 in QApplication::notify(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5 #12 0x00007fa16d44373b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /lib64/libQt5Core.so.5 #13 0x00007fa16d445b36 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /lib64/libQt5Core.so.5 #14 0x00007fa16d499aa3 in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () from /lib64/libQt5Core.so.5 #15 0x00007fa1699d0e3a in g_main_context_dispatch () from /lib64/libglib-2.0.so.0 #16 0x00007fa1699d11d0 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0 #17 0x00007fa1699d127c in g_main_context_iteration () from /lib64/libglib-2.0.so.0 #18 0x00007fa16d499eaf in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5 #19 0x00007fa16d440eca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5 #20 0x00007fa16d448fac in QCoreApplication::exec() () from /lib64/libQt5Core.so.5 #21 0x000055f07cd2f8e2 in main () Possible duplicates by query: bug 355585. Reported using DrKonqi 1579058 1 notmart 2016-02-26 13:31:47 +0000 *** Bug 359799 has been marked as a duplicate of this bug. *** 1580227 2 thomas.luebking 2016-03-04 16:07:47 +0000 Qt bug, see bug #341497 (it's against kwin, but contains several links to all the dupes and Qt bug iterations - any Qt5 client code is affected) for details. 1585128 3 cfeck 2016-03-28 12:42:04 +0000 *** Bug 360873 has been marked as a duplicate of this bug. ***