[kde] [Bug 352554] New: Apps crash on exit

[Jan Chren]

https://bugs.kde.org/show_bug.cgi?id=352554

            Bug ID: 352554
           Summary: Apps crash on exit
           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: dev.rindeal+bugs.kde.org at outlook.com

Application: systemsettings5 (5.2.2)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-28-generic x86_64
Distribution: Ubuntu 15.04

-- Information about the crash:
- What I was doing when the application crashed:
This crash happen with various apps quite often, I just close the app and it
crashes, backtrace is always the same.

Issue #351155 may be related, but drkonqi has a bug which prevents me to use
its ui to add the related issue.

-- Backtrace:
Application: Nastavení systému (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f2e605c6780 (LWP 2265))]

Thread 2 (Thread 0x7f2e4fd22700 (LWP 2275)):
#0  0x00007f2e5cd2a8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f2e5b044b72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f2e5b04664f in xcb_wait_for_event () from
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f2e5226d099 in QXcbEventReader::run (this=0x120fcc0) at
qxcbconnection.cpp:1105
#4  0x00007f2e5d3abb0e in QThreadPrivate::start (arg=0x120fcc0) at
thread/qthread_unix.cpp:337
#5  0x00007f2e59f5e6aa in start_thread (arg=0x7f2e4fd22700) at
pthread_create.c:333
#6  0x00007f2e5cd35eed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f2e605c6780 (LWP 2265)):
[KCrash Handler]
#6  QXcbConnection::finalizeXInput2 (this=this at entry=0x1203ef0) at
qxcbconnection_xi2.cpp:261
#7  0x00007f2e52269fab in QXcbConnection::~QXcbConnection (this=0x1203ef0,
__in_chrg=<optimized out>) at qxcbconnection.cpp:424
#8  0x00007f2e5226a619 in QXcbConnection::~QXcbConnection (this=0x1203ef0,
__in_chrg=<optimized out>) at qxcbconnection.cpp:450
#9  0x00007f2e5226ed3e in qDeleteAll<QList<QXcbConnection*>::const_iterator>
(end=..., begin=...) at
../../../../include/QtCore/../../src/corelib/tools/qalgorithms.h:315
#10 qDeleteAll<QList<QXcbConnection*> > (c=...) at
../../../../include/QtCore/../../src/corelib/tools/qalgorithms.h:323
#11 QXcbIntegration::~QXcbIntegration (this=0x11fc640, __in_chrg=<optimized
out>) at qxcbintegration.cpp:189
#12 0x00007f2e5226ee19 in QXcbIntegration::~QXcbIntegration (this=0x11fc640,
__in_chrg=<optimized out>) at qxcbintegration.cpp:190
#13 0x00007f2e5de0f5c0 in QGuiApplicationPrivate::~QGuiApplicationPrivate
(this=0x11f8b10, __in_chrg=<optimized out>) at kernel/qguiapplication.cpp:1374
#14 0x00007f2e5e3d04e9 in QApplicationPrivate::~QApplicationPrivate
(this=0x11f8b10, __in_chrg=<optimized out>) at kernel/qapplication.cpp:183
#15 0x00007f2e5d62383b in cleanup (pointer=<optimized out>) at
../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:54
#16 ~QScopedPointer (this=0x7fffb656d7a8, __in_chrg=<optimized out>) at
../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:101
#17 QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at
kernel/qobject.cpp:882
#18 0x00007f2e5e3d2133 in QApplication::~QApplication (this=0x7fffb656d7a0,
__in_chrg=<optimized out>) at kernel/qapplication.cpp:803
#19 0x000000000040eed6 in main (argc=1, argv=<optimized out>) at
../../app/main.cpp:54

Reported using DrKonqi

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