Bug 348466

Application: konsole (15.04.0)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-20-generic i686
Distribution: Ubuntu 15.04

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

After some work in Konsole, when closing the application it segfaults.

The crash can be reproduced every time.

-- Backtrace:
Application: Konsole (konsole), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb009f780 (LWP 6495))]

Thread 2 (Thread 0xafb11b40 (LWP 6496)):
[KCrash Handler]
#7  0xffffffff in  () at /lib/i386-linux-gnu/libc.so.6
#8  0xffffffff in  () at /lib/i386-linux-gnu/libc.so.6
#9  0xffffffff in calloc () at /lib/i386-linux-gnu/libc.so.6
#10 0xffffffff in  () at /usr/lib/nvidia-346/tls/libnvidia-tls.so.346.72
#11 0xffffffff in g_malloc0 (n_bytes=2040) at /build/buildd/glib2.0-2.44.1/./glib/gmem.c:127
#12 0xffffffff in g_slice_free1 () at /build/buildd/glib2.0-2.44.1/./glib/gslice.c:519
#13 0xffffffff in g_slice_free1 (mem_size=3031090568, mem_block=0xaf202200) at /build/buildd/glib2.0-2.44.1/./glib/gslice.c:1088
#14 0xffffffff in g_thread_unref (thread=0xaf202200) at /build/buildd/glib2.0-2.44.1/./glib/gthread.c:731
#15 0xffffffff in g_thread_cleanup (data=0xaf202200) at /build/buildd/glib2.0-2.44.1/./glib/gthread.c:738
#16 0xffffffff in __nptl_deallocate_tsd.part.3 () at /lib/i386-linux-gnu/libpthread.so.0
#17 0xffffffff in start_thread () at /lib/i386-linux-gnu/libpthread.so.0
#18 0xffffffff in clone () at /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb009f780 (LWP 6495)):
#0  0xffffffff in __kernel_vsyscall ()
#1  0xffffffff in poll () at /lib/i386-linux-gnu/libc.so.6
#2  0xffffffff in  () at /usr/lib/i386-linux-gnu/libxcb.so.1
#3  0xffffffff in  () at /usr/lib/i386-linux-gnu/libxcb.so.1
#4  0xffffffff in xcb_wait_for_reply () at /usr/lib/i386-linux-gnu/libxcb.so.1
#5  0xffffffff in _XReply () at /usr/lib/i386-linux-gnu/libX11.so.6
#6  0xffffffff in XSync () at /usr/lib/i386-linux-gnu/libX11.so.6
#7  0xffffffff in XCloseDisplay () at /usr/lib/i386-linux-gnu/libX11.so.6
#8  0xffffffff in  () at /usr/lib/i386-linux-gnu/qt5/plugins/platforms/libqxcb.so
#9  0xffffffff in  () at /usr/lib/i386-linux-gnu/qt5/plugins/platforms/libqxcb.so
#10 0xffffffff in  () at /usr/lib/i386-linux-gnu/qt5/plugins/platforms/libqxcb.so
#11 0xffffffff in  () at /usr/lib/i386-linux-gnu/qt5/plugins/platforms/libqxcb.so
#12 0xffffffff in QGuiApplicationPrivate::~QGuiApplicationPrivate() () at /usr/lib/i386-linux-gnu/sse2/libQt5Gui.so.5
#13 0xffffffff in QApplicationPrivate::~QApplicationPrivate() () at /usr/lib/i386-linux-gnu/libQt5Widgets.so.5
#14 0xffffffff in QApplicationPrivate::~QApplicationPrivate() () at /usr/lib/i386-linux-gnu/libQt5Widgets.so.5
#15 0xffffffff in QObject::~QObject() () at /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#16 0xffffffff in QCoreApplication::~QCoreApplication() () at /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#17 0xffffffff in QGuiApplication::~QGuiApplication() () at /usr/lib/i386-linux-gnu/sse2/libQt5Gui.so.5
#18 0xffffffff in QApplication::~QApplication() () at /usr/lib/i386-linux-gnu/libQt5Widgets.so.5
#19 0xffffffff in KApplication::~KApplication() () at /usr/lib/i386-linux-gnu/libKF5KDELibs4Support.so.5
#20 0xffffffff in KUniqueApplication::~KUniqueApplication() () at /usr/lib/i386-linux-gnu/libKF5KDELibs4Support.so.5
#21 0xffffffff in Konsole::Application::~Application() (this=0xbff83ed8, __in_chrg=<optimized out>) at ../../src/Application.cpp:64
#22 0xffffffff in kdemain(int, char**) (argc=1, argv=0xbff83fd4) at ../../src/main.cpp:87
#23 0x080485a7 in main(int, char**) (argc=1, argv=0xbff83fd4) at konsole_dummy.cpp:3

Reported using DrKonqi