Application: konsole (18.07.70) Qt Version: 5.10.1 Frameworks Version: 5.45.0 Operating System: Linux 4.15.11-1-default x86_64 Distribution: "openSUSE Tumbleweed" -- Information about the crash: - What I was doing when the application crashed: I had 1 konsole window, single tap with tc-fq man page open. The crash happen as soon as i scroll down my mouse wheel while having it over the konsole window. The crash can be reproduced every time. -- Backtrace: Application: Konsole (konsole), signal: Segmentation fault Using host libthread_db library "/lib64/libthread_db.so.1". [Current thread is 1 (Thread 0x7f3042641800 (LWP 17573))] Thread 3 (Thread 0x7f3025d7f700 (LWP 17575)): #0 0x00007f3041f4abf4 in __GI___libc_read (fd=7, buf=buf@entry=0x7f3025d7eb90, nbytes=nbytes@entry=16) at ../sysdeps/unix/sysv/linux/read.c:27 #1 0x00007f3037723ab0 in read (__nbytes=16, __buf=0x7f3025d7eb90, __fd=<optimized out>) at /usr/include/bits/unistd.h:44 #2 g_wakeup_acknowledge (wakeup=0x55657a01f2b0) at gwakeup.c:210 #3 0x00007f30376def17 in g_main_context_check (context=context@entry=0x7f3020000bf0, max_priority=2147483647, fds=fds@entry=0x7f3020004db0, n_fds=n_fds@entry=1) at gmain.c:3681 #4 0x00007f30376df3d0 in g_main_context_iterate (context=context@entry=0x7f3020000bf0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3900 #5 0x00007f30376df53c in g_main_context_iteration (context=0x7f3020000bf0, may_block=1) at gmain.c:3964 #6 0x00007f303e26afdb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5 #7 0x00007f303e211e4a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5 #8 0x00007f303e038b5a in QThread::exec() () from /usr/lib64/libQt5Core.so.5 #9 0x00007f303c10fbd5 in QDBusConnectionManager::run() () from /usr/lib64/libQt5DBus.so.5 #10 0x00007f303e03db50 in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5 #11 0x00007f303971f59b in start_thread (arg=0x7f3025d7f700) at pthread_create.c:463 #12 0x00007f3041f59a1f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 2 (Thread 0x7f302d857700 (LWP 17574)): #0 0x00007f3041f4f179 in __GI___poll (fds=fds@entry=0x7f302d856cb8, nfds=nfds@entry=1, timeout=timeout@entry=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f3039b4d387 in poll (__timeout=-1, __nfds=1, __fds=0x7f302d856cb8) at /usr/include/bits/poll2.h:46 #2 _xcb_conn_wait (c=c@entry=0x556579fd6de0, cond=cond@entry=0x556579fd6e20, vector=vector@entry=0x0, count=count@entry=0x0) at xcb_conn.c:479 #3 0x00007f3039b4efaa in xcb_wait_for_event (c=0x556579fd6de0) at xcb_in.c:697 #4 0x00007f303086d959 in QXcbEventReader::run() () from /usr/lib64/libQt5XcbQpa.so.5 #5 0x00007f303e03db50 in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5 #6 0x00007f303971f59b in start_thread (arg=0x7f302d857700) at pthread_create.c:463 #7 0x00007f3041f59a1f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 1 (Thread 0x7f3042641800 (LWP 17573)): [KCrash Handler] #6 Konsole::TerminalDisplay::sessionController (this=this@entry=0x0) at /usr/src/debug/konsole-18.07.70git.20180327T103634~df68818e-98.1.x86_64/src/TerminalDisplay.cpp:3772 #7 0x00007f3041bfd9f0 in Konsole::Vt102Emulation::sendKeyEvent (this=0x55657a129040, event=0x7ffe86cc9910) at /usr/src/debug/konsole-18.07.70git.20180327T103634~df68818e-98.1.x86_64/src/Vt102Emulation.cpp:1048 #8 0x00007f303e24196c in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQt5Core.so.5 #9 0x00007f3041c0857f in Konsole::TerminalDisplay::keyPressedSignal (this=this@entry=0x55657a12b360, _t1=<optimized out>, _t1@entry=0x7ffe86cc9910) at /usr/src/debug/konsole-18.07.70git.20180327T103634~df68818e-98.1.x86_64/build/src/konsoleprivate_autogen/EWIEGA46WW/moc_TerminalDisplay.cpp:396 #10 0x00007f3041be7b3e in Konsole::TerminalDisplay::wheelEvent (this=0x55657a12b360, ev=<optimized out>) at /usr/src/debug/konsole-18.07.70git.20180327T103634~df68818e-98.1.x86_64/src/TerminalDisplay.cpp:2776 #11 0x00007f303f26c378 in QWidget::event(QEvent*) () from /usr/lib64/libQt5Widgets.so.5 #12 0x00007f3041be918a in Konsole::TerminalDisplay::event (this=0x55657a12b360, event=0x7ffe86cc9b30) at /usr/src/debug/konsole-18.07.70git.20180327T103634~df68818e-98.1.x86_64/src/TerminalDisplay.cpp:3545 #13 0x00007f303f23000c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5 #14 0x00007f303f238d27 in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5 #15 0x00007f303e213648 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib64/libQt5Core.so.5 #16 0x00007f303f287b0c in QWidgetWindow::handleWheelEvent(QWheelEvent*) () from /usr/lib64/libQt5Widgets.so.5 #17 0x00007f303f288fad in QWidgetWindow::event(QEvent*) () from /usr/lib64/libQt5Widgets.so.5 #18 0x00007f303f23000c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5 #19 0x00007f303f237304 in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5 #20 0x00007f303e213648 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib64/libQt5Core.so.5 #21 0x00007f303ea2a818 in QGuiApplicationPrivate::processWheelEvent(QWindowSystemInterfacePrivate::WheelEvent*) () from /usr/lib64/libQt5Gui.so.5 #22 0x00007f303ea2f745 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /usr/lib64/libQt5Gui.so.5 #23 0x00007f303ea084fb in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Gui.so.5 #24 0x00007f30308ef15b in QPAEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5XcbQpa.so.5 #25 0x00007f303e211e4a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5 #26 0x00007f303e21aa94 in QCoreApplication::exec() () from /usr/lib64/libQt5Core.so.5 #27 0x00007f3042249b27 in kdemain (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/konsole-18.07.70git.20180327T103634~df68818e-98.1.x86_64/src/main.cpp:190 #28 0x00007f3041e81a87 in __libc_start_main (main=0x556578b5d7e0 <main>, argc=1, argv=0x7ffe86cca438, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe86cca428) at ../csu/libc-start.c:308 #29 0x0000556578b5d81a in _start () at ../sysdeps/x86_64/start.S:120 Reported using DrKonqi
Created attachment 111687 [details] Scroll Down on the window to trigger. I must add in case it has something to do with this, scrolling up or down on the desktop is the shortcut set to change "Desktops".
Confirmed on master (df68818e). Looks like my recent patch break more things than I thought. I'll send a fix for review soon. Thanks for report!
I can't reproduce here on master
Your patch fixed it. wheelEvent, when sending up/down key event, do not sets currentTerminalDisplay like keyPressEvent do. man runs on second screen, and until any key is pressed there, currentTerminalDisplay is null.