Bug 347654

Application: konsole (3.0.1)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-17-generic x86_64
Distribution: Ubuntu 15.04

-- Information about the crash:
This bug appear after kubuntu upgrade from 14.04 to 15.04

The crash can be reproduced every time.

-- Backtrace:
Application: Konsole (konsole), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f06fc943800 (LWP 6660))]

Thread 2 (Thread 0x7f06e6d30700 (LWP 6661)):
#0  0x00007f06fc4128dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f06f691eb72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f06f692064f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f06e94cf099 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
#4  0x00007f06f8d47b0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f06f48f16aa in start_thread (arg=0x7f06e6d30700) at pthread_create.c:333
#6  0x00007f06fc41deed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f06fc943800 (LWP 6660)):
[KCrash Handler]
#6  0x00007f06f8f8d4c9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f06f8f8d9e7 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f06f8fbc1f2 in QObject::connect(QObject const*, char const*, QObject const*, char const*, Qt::ConnectionType) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f06faa7d4fd in KStandardAction::showMenubar (recvr=0x14cdf30, slot=0x150ea52 "(bool)", slot@entry=0x7f06fc7092a8 "1setVisible(bool)", parent=0x14ba8d0) at ../../src/kstandardaction.cpp:540
#10 0x00007f06fc6f53e8 in Konsole::MainWindow::setupActions (this=this@entry=0x14b8090) at ../../src/MainWindow.cpp:327
#11 0x00007f06fc6fb144 in Konsole::MainWindow::MainWindow (this=0x14b8090, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at ../../src/MainWindow.cpp:95
#12 0x00007f06fc6f1ad9 in Konsole::Application::newMainWindow (this=this@entry=0x7ffc3d372090) at ../../src/Application.cpp:72
#13 0x00007f06fc6f1da6 in Konsole::Application::processWindowArgs (this=this@entry=0x7ffc3d372090, args=args@entry=0x1396ab0) at ../../src/Application.cpp:300
#14 0x00007f06fc6f319b in Konsole::Application::newInstance (this=0x7ffc3d372090) at ../../src/Application.cpp:111
#15 0x00007f06fb074528 in KUniqueApplicationAdaptor::newInstance (this=0x14bf1c0, asn_id=..., args=...) at ../../src/kdeui/kuniqueapplication.cpp:402
#16 0x00007f06fb074645 in KUniqueApplicationAdaptor::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=0x7ffc3d371700) at ./moc_kuniqueapplication_p.cpp:81
#17 0x00007f06fb0760f3 in KUniqueApplicationAdaptor::qt_metacall (this=0x14bf1c0, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0x7ffc3d371700) at ./moc_kuniqueapplication_p.cpp:118
#18 0x00007f06fc9e55c7 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#19 0x00007f06fc9e9efc in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#20 0x00007f06fc9eab0b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#21 0x00007f06fc9ec7fe in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#22 0x00007f06f8fb773a in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007f06f92cf662 in QGuiApplication::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#24 0x00007f06f98931dc in QApplication::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#25 0x00007f06f988fb2c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#26 0x00007f06f9895000 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#27 0x00007f06f8f85c2b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00007f06f8f87c9b in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00007f06f8fde843 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#30 0x00007f06f41bcc3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007f06f41bcf20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#32 0x00007f06f41bcfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#33 0x00007f06f8fdec57 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#34 0x00007f06f8f833e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#35 0x00007f06f8f8b02c in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#36 0x00007f06fc70276f in kdemain (argc=1, argv=0x7ffc3d3721d8) at ../../src/main.cpp:90
#37 0x00007f06fc337a40 in __libc_start_main (main=0x400720 <main(int, char**)>, argc=1, argv=0x7ffc3d3721d8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc3d3721c8) at libc-start.c:289
#38 0x000000000040074e in _start ()

Reported using DrKonqi