[konversation] [Bug 381066] Konversation crashes with a segmentation fault

[Fabian Niepelt]

https://bugs.kde.org/show_bug.cgi?id=381066

Fabian Niepelt  changed:

   What|Removed |Added

 Status|NEEDSINFO   |RESOLVED
 Resolution|WAITINGFORINFO  |FIXED

--- Comment #14 from Fabian Niepelt  ---
This is not happening to me anymore so I'm marking it as resolved.

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[konversation] [Bug 381066] Konversation crashes with a segmentation fault

[Justin Zobel]

https://bugs.kde.org/show_bug.cgi?id=381066

Justin Zobel  changed:

   What|Removed |Added

 Resolution|--- |WAITINGFORINFO
 Status|REPORTED|NEEDSINFO
 CC||justin.zo...@gmail.com

--- Comment #13 from Justin Zobel  ---
Thank you for the many reports.

As it has been a while since this was reported, can you please test and confirm
if this issue is still occurring or if this bug report can be marked as
resolved.

I have set the bug status to "needsinfo" pending your response, please change
back to "reported" or "resolved" when you respond, thank you.

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[konversation] [Bug 381066] Konversation crashes with a segmentation fault

[Kai Wb .]

https://bugs.kde.org/show_bug.cgi?id=381066

Kai Wb.  changed:

   What|Removed |Added

 CC|cu...@debian.org|

--- Comment #12 from Kai Wb.  ---
(In reply to Christoph Feck from comment #11)
> Comment #10 is bug 378854.

Thanks for the pointer!

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[konversation] [Bug 381066] Konversation crashes with a segmentation fault

[Christoph Feck]

https://bugs.kde.org/show_bug.cgi?id=381066

--- Comment #11 from Christoph Feck  ---
Comment #10 is bug 378854.

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[konversation] [Bug 381066] Konversation crashes with a segmentation fault

[Kai Wb .]

https://bugs.kde.org/show_bug.cgi?id=381066

Kai Wb.  changed:

   What|Removed |Added

 CC||cu...@debian.org

--- Comment #10 from Kai Wb.  ---
I've a similar looking crash. I just have to idle for a while with a couple of
Freenode and one Snoonet channels open and eventually it'll crash (most often,
when Konversation is in the background, sometimes when it does get focus).

My system:
- Debian GNU/Linux, Testing
- Qt: 5.7.1 (5.7.1+dfsg-3+b1)
- Konversation: 1.7.2 (1.7.2-1)

My backtrace is:
> Application: Konversation (konversation), signal: Segmentation fault
> Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
> [Current thread is 1 (Thread 0x7f44a27b2fc0 (LWP 7509))]
> 
> Thread 4 (Thread 0x7f449d882700 (LWP 7512)):
> #0  0x7f44ae92363d in poll () at ../sysdeps/unix/syscall-template.S:84
> #1  0x7f44a9b9cc16 in g_main_context_poll (priority=, 
> n_fds=1, fds=0x7f4494002e70, timeout=, context=0x7f4494000990) 
> at ././glib/gmain.c:4271
> #2  g_main_context_iterate (context=context@entry=0x7f4494000990, 
> block=block@entry=1, dispatch=dispatch@entry=1, self=) at 
> ././glib/gmain.c:3967
> #3  0x7f44a9b9cd2c in g_main_context_iteration (context=0x7f4494000990, 
> may_block=may_block@entry=1) at ././glib/gmain.c:4033
> #4  0x7f44af53b06b in QEventDispatcherGlib::processEvents 
> (this=0x7f44940008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
> #5  0x7f44af4e49ca in QEventLoop::exec (this=this@entry=0x7f449d881c80, 
> flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
> #6  0x7f44af3120f3 in QThread::exec (this=) at 
> thread/qthread.cpp:507
> #7  0x7f44af316da8 in QThreadPrivate::start (arg=0x55c9e7fff270) at 
> thread/qthread_unix.cpp:368
> #8  0x7f44ad272494 in start_thread (arg=0x7f449d882700) at 
> pthread_create.c:333
> #9  0x7f44ae92ca8f in clone () at 
> ../sysdeps/unix/sysv/linux/x86_64/clone.S:97
> 
> Thread 3 (Thread 0x7f449ecc3700 (LWP 7511)):
> #0  0x7f44ae92363d in poll () at ../sysdeps/unix/syscall-template.S:84
> #1  0x7f44a9b9cc16 in g_main_context_poll (priority=, 
> n_fds=1, fds=0x7f449001c830, timeout=, context=0x7f449990) 
> at ././glib/gmain.c:4271
> #2  g_main_context_iterate (context=context@entry=0x7f449990, 
> block=block@entry=1, dispatch=dispatch@entry=1, self=) at 
> ././glib/gmain.c:3967
> #3  0x7f44a9b9cd2c in g_main_context_iteration (context=0x7f449990, 
> may_block=may_block@entry=1) at ././glib/gmain.c:4033
> #4  0x7f44af53b06b in QEventDispatcherGlib::processEvents 
> (this=0x7f4498c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
> #5  0x7f44af4e49ca in QEventLoop::exec (this=this@entry=0x7f449ecc2c50, 
> flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
> #6  0x7f44af3120f3 in QThread::exec (this=this@entry=0x7f44af7c1d60 
> <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at 
> thread/qthread.cpp:507
> #7  0x7f44af74c6d5 in QDBusConnectionManager::run (this=0x7f44af7c1d60 
> <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at 
> qdbusconnection.cpp:178
> #8  0x7f44af316da8 in QThreadPrivate::start (arg=0x7f44af7c1d60 
> <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at 
> thread/qthread_unix.cpp:368
> #9  0x7f44ad272494 in start_thread (arg=0x7f449ecc3700) at 
> pthread_create.c:333
> #10 0x7f44ae92ca8f in clone () at 
> ../sysdeps/unix/sysv/linux/x86_64/clone.S:97
> 
> Thread 2 (Thread 0x7f44a067f700 (LWP 7510)):
> #0  0x7f44ae92363d in poll () at ../sysdeps/unix/syscall-template.S:84
> #1  0x7f44abcf5150 in poll (__timeout=-1, __nfds=1, __fds=0x7f44a067eb80) 
> at /usr/include/x86_64-linux-gnu/bits/poll2.h:46
> #2  _xcb_conn_wait (c=c@entry=0x55c9e7f87940, cond=cond@entry=0x55c9e7f87980, 
> vector=vector@entry=0x0, count=count@entry=0x0) at ../../src/xcb_conn.c:479
> #3  0x7f44abcf6ee9 in xcb_wait_for_event (c=0x55c9e7f87940) at 
> ../../src/xcb_in.c:693
> #4  0x7f44a23a3b69 in QXcbEventReader::run (this=0x55c9e7f920c0) at 
> qxcbconnection.cpp:1343
> #5  0x7f44af316da8 in QThreadPrivate::start (arg=0x55c9e7f920c0) at 
> thread/qthread_unix.cpp:368
> #6  0x7f44ad272494 in start_thread (arg=0x7f44a067f700) at 
> pthread_create.c:333
> #7  0x7f44ae92ca8f in clone () at 
> ../sysdeps/unix/sysv/linux/x86_64/clone.S:97
> 
> Thread 1 (Thread 0x7f44a27b2fc0 (LWP 7509)):
> [KCrash Handler]
> #6  0x7f44af39d00f in std::__atomic_base::load 
> (__m=std::memory_order_relaxed, this=) at 
> /usr/include/c++/6/bits/atomic_base.h:396
> #7  QAtomicOps::load (_q_value=...) at 
> ../../include/QtCore/../../src/corelib/arch/qatomic_cxx11.h:227
> #8  QBasicAtomicInteger::load (this=) at 
> ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:99
> #9  

[konversation] [Bug 381066] Konversation crashes with a segmentation fault

[Fabian Niepelt]

https://bugs.kde.org/show_bug.cgi?id=381066

--- Comment #9 from Fabian Niepelt  ---
Crashes even with LANG=C. I also tried setting my shortcuts to Defaults, but
that didn't solve the probleme either.

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[konversation] [Bug 381066] Konversation crashes with a segmentation fault

[Fabian Niepelt]

https://bugs.kde.org/show_bug.cgi?id=381066

--- Comment #8 from Fabian Niepelt  ---
I don't have a ~/.local/share/kxmlgui5/konversation/konversationui.rc , so I'll
try launching Konversation with LANG=C and report back.

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[konversation] [Bug 381066] Konversation crashes with a segmentation fault

[Christoph Feck]

https://bugs.kde.org/show_bug.cgi?id=381066

--- Comment #7 from Christoph Feck  ---
Please do not mix unrelated bug reports.

The crash reported here looks caused by conflicting shortcut settings. It
should not crash, though, but show a dialog instead.

To debug this, try changing locale/language or (if you had reconfigured
shortcuts) starting with a clean
~/.local/share/kxmlgui5/konversation/konversationui.rc configuration.

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[konversation] [Bug 381066] Konversation crashes with a segmentation fault

[wintonian]

https://bugs.kde.org/show_bug.cgi?id=381066

--- Comment #6 from wintonian  ---
Okey I spoke too soon - it's just crashed again :(

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[konversation] [Bug 381066] Konversation crashes with a segmentation fault

[wintonian]

https://bugs.kde.org/show_bug.cgi?id=381066

--- Comment #5 from wintonian  ---
Possibly, but I tried (and installed) HexChat with exactly the same results as
reported at red Hat; https://bugzilla.redhat.com/show_bug.cgi?id=1461502.

Interestingly I am currently using an older kernel i.e. 4.10.5-200.fc25.x86_64,
and not had any crashes yet.

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[konversation] [Bug 381066] Konversation crashes with a segmentation fault

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=381066

kishor...@gmail.com changed:

   What|Removed |Added

 CC||kishor...@gmail.com

--- Comment #4 from kishor...@gmail.com ---
Is this bug related to https://bugs.kde.org/show_bug.cgi?id=378854 ?

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[konversation] [Bug 381066] Konversation crashes with a segmentation fault

[wintonian]

https://bugs.kde.org/show_bug.cgi?id=381066

wintonian  changed:

   What|Removed |Added

 CC||bugzi...@wintonian.org.uk

--- Comment #3 from wintonian  ---
Same issues as the original reporter with the same servers open. However I am
using Fedora 25 and have more rooms open.

I updated to ver. konversation.x86_64 1.7.2-1.fc25 and the issue remains.

/var/log/messages keeps reporting the following at about the same time as the
crash:

QXcbConnection: XCB error: 3 (BadWindow), sequence: 60229, resource id:
50331711, major code: 18 (ChangeProperty), minor code: 0


Backtrace

Application: Konversation (konversation), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f88d5899940 (LWP 4904))]

Thread 4 (Thread 0x7f88c35ef700 (LWP 4908)):
#0  0x7f88e14f9f3d in poll () from /lib64/libc.so.6
#1  0x7f88da934166 in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#2  0x7f88da93427c in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#3  0x7f88e23006eb in
QEventDispatcherGlib::processEvents(QFlags) ()
from /lib64/libQt5Core.so.5
#4  0x7f88e22b168a in
QEventLoop::exec(QFlags) () from
/lib64/libQt5Core.so.5
#5  0x7f88e210e5e3 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x7f88e21129ca in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#7  0x7f88e00f773a in start_thread () from /lib64/libpthread.so.0
#8  0x7f88e1505e7f in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f88c8fe4700 (LWP 4907)):
#0  0x7f88da979894 in g_mutex_unlock () from /lib64/libglib-2.0.so.0
#1  0x7f88da933690 in g_main_context_prepare () from
/lib64/libglib-2.0.so.0
#2  0x7f88da93408b in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#3  0x7f88da93427c in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#4  0x7f88e23006eb in
QEventDispatcherGlib::processEvents(QFlags) ()
from /lib64/libQt5Core.so.5
#5  0x7f88e22b168a in
QEventLoop::exec(QFlags) () from
/lib64/libQt5Core.so.5
#6  0x7f88e210e5e3 in QThread::exec() () from /lib64/libQt5Core.so.5
#7  0x7f88e250dfb9 in QDBusConnectionManager::run() () from
/lib64/libQt5DBus.so.5
#8  0x7f88e21129ca in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#9  0x7f88e00f773a in start_thread () from /lib64/libpthread.so.0
#10 0x7f88e1505e7f in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f88cafc1700 (LWP 4906)):
#0  0x7f88e14f9f3d in poll () from /lib64/libc.so.6
#1  0x7f88de4e1d10 in _xcb_conn_wait () from /lib64/libxcb.so.1
#2  0x7f88de4e3aa9 in xcb_wait_for_event () from /lib64/libxcb.so.1
#3  0x7f88cec12d69 in QXcbEventReader::run() () from
/lib64/libQt5XcbQpa.so.5
#4  0x7f88e21129ca in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#5  0x7f88e00f773a in start_thread () from /lib64/libpthread.so.0
#6  0x7f88e1505e7f in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f88d5899940 (LWP 4904)):
[KCrash Handler]
#6  0x7f88e218c8af in QString::operator=(QString const&) () from
/lib64/libQt5Core.so.5
#7  0x5615693195a7 in InputFilter::parseClientCommand(QString const&,
QString const&, QStringList&, QHash) ()
#8  0x561569324968 in InputFilter::parseLine(QString const&) ()
#9  0x5615692d0554 in Server::processIncomingData() ()
#10 0x561569437fc9 in Server::qt_static_metacall(QObject*,
QMetaObject::Call, int, void**) ()
#11 0x7f88e22d9721 in QMetaObject::activate(QObject*, int, int, void**) ()
from /lib64/libQt5Core.so.5
#12 0x7f88e22e5c08 in QTimer::timerEvent(QTimerEvent*) () from
/lib64/libQt5Core.so.5
#13 0x7f88e22da79b in QObject::event(QEvent*) () from
/lib64/libQt5Core.so.5
#14 0x7f88e2b7eecc in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib64/libQt5Widgets.so.5
#15 0x7f88e2b86671 in QApplication::notify(QObject*, QEvent*) () from
/lib64/libQt5Widgets.so.5
#16 0x7f88e22b26fa in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib64/libQt5Core.so.5
#17 0x7f88e22ffceb in QTimerInfoList::activateTimers() () from
/lib64/libQt5Core.so.5
#18 0x7f88e2300241 in timerSourceDispatch(_GSource*, int (*)(void*), void*)
() from /lib64/libQt5Core.so.5
#19 0x7f88da933e52 in g_main_context_dispatch () from
/lib64/libglib-2.0.so.0
#20 0x7f88da9341d0 in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#21 0x7f88da93427c in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#22 0x7f88e23006cf in
QEventDispatcherGlib::processEvents(QFlags) ()
from /lib64/libQt5Core.so.5
#23 0x7f88e22b168a in
QEventLoop::exec(QFlags) () from
/lib64/libQt5Core.so.5
#24 0x7f88e22b918c in QCoreApplication::exec() () from

[konversation] [Bug 381066] Konversation crashes with a segmentation fault

[Peter Simonsson]

https://bugs.kde.org/show_bug.cgi?id=381066

Peter Simonsson  changed:

   What|Removed |Added

 CC||peter.simons...@gmail.com

--- Comment #2 from Peter Simonsson  ---
(In reply to Tore Havn from comment #1)
> Same problem happens for me.
> 
> Application: Konversation 1.7.2
> Qt version: 5.7.1
> Frameworks version: 5.35.0
> Kernel version: 4.4.0-79-generic x86_64
> Distribution: KDE neon 5.10
> 
> Description:
> This has actually been happening for a few months, but I had mostly decided
> to blame my filesystem (btrfs), which was experiencing problems in general.
> Those have been fixed, and the problem persists.
> 
> I have configured it to automatically connect to multiple servers and
> channels at startup (5 servers and ~20 channels). I usually leave my
> computer on during the night, and every morning Konversation has segfaulted.
> Restarting it would only help for about an hour or so before segfaulting
> again.
> 
> I recently emptied all my old irc logs and this seems to have made
> Konversation last a few hours more, but this morning it had once again
> segfaulted.
> 
> The program is usually segfaults while it is minimized or I'm sleeping, so
> no user action is taken to make it happen. There's no pattern in usage
> before it segfaults, as far as I can tell.
> 
> Thread 1 (Thread 0x7f6856bff8c0 (LWP 4719)):
> [KCrash Handler]
> #6  0x7f68628ec19f in std::__atomic_base::load
> (__m=std::memory_order_relaxed, this=) at
> /usr/include/c++/5/bits/atomic_base.h:396
> #7  QAtomicOps::load (_q_value=...) at
> ../../include/QtCore/../../src/corelib/arch/qatomic_cxx11.h:227
> #8  QBasicAtomicInteger::load (this=) at
> ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:99
> #9  QtPrivate::RefCount::ref (this=) at
> ../../include/QtCore/../../src/corelib/tools/qrefcount.h:55
> #10 QString::operator= (this=this@entry=0x7ffd70b1a270, other=...) at
> tools/qstring.cpp:1814
> #11 0x005124af in InputFilter::parseClientCommand
> (this=this@entry=0x3124810, prefix=..., command=..., parameterList=...,
> messageTags=...) at /workspace/build/src/irc/inputfilter.cpp:584
> #12 0x0051d8f8 in InputFilter::parseLine (this=this@entry=0x3124810,
> line=...) at /workspace/build/src/irc/inputfilter.cpp:127
> #13 0x004c9a64 in Server::processIncomingData (this=0x3124700) at

This isn't the same bug... This should have been fixed already see bug 378854.

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[konversation] [Bug 381066] Konversation crashes with a segmentation fault

[Tore Havn]

https://bugs.kde.org/show_bug.cgi?id=381066

Tore Havn  changed:

   What|Removed |Added

 CC||v...@veqz.net

--- Comment #1 from Tore Havn  ---
Same problem happens for me.

Application: Konversation 1.7.2
Qt version: 5.7.1
Frameworks version: 5.35.0
Kernel version: 4.4.0-79-generic x86_64
Distribution: KDE neon 5.10

Description:
This has actually been happening for a few months, but I had mostly decided to
blame my filesystem (btrfs), which was experiencing problems in general. Those
have been fixed, and the problem persists.

I have configured it to automatically connect to multiple servers and channels
at startup (5 servers and ~20 channels). I usually leave my computer on during
the night, and every morning Konversation has segfaulted. Restarting it would
only help for about an hour or so before segfaulting again.

I recently emptied all my old irc logs and this seems to have made Konversation
last a few hours more, but this morning it had once again segfaulted.

The program is usually segfaults while it is minimized or I'm sleeping, so no
user action is taken to make it happen. There's no pattern in usage before it
segfaults, as far as I can tell.

-- Backtrace (drkonqi): --

Application: Konversation (konversation), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f6856bff8c0 (LWP 4719))]

Thread 4 (Thread 0x7f6850cca700 (LWP 4723)):
#0  0x7f685d197a79 in g_mutex_lock () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x7f685d152929 in g_main_context_prepare () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x7f685d1532bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x7f685d15349c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x7f6862a8675b in QEventDispatcherGlib::processEvents
(this=0x7f68480008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x7f6862a310ba in QEventLoop::exec (this=this@entry=0x7f6850cc9d00,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x7f6862860f64 in QThread::exec (this=) at
thread/qthread.cpp:507
#7  0x7f6862865b48 in QThreadPrivate::start (arg=0x2c52f20) at
thread/qthread_unix.cpp:368
#8  0x7f68607a46ba in start_thread (arg=0x7f6850cca700) at
pthread_create.c:333
#9  0x7f6861e6982d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f68520e2700 (LWP 4722)):
#0  0x7f6861e5db5d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x7f685d15338c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x7f685d15349c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x7f6862a8675b in QEventDispatcherGlib::processEvents
(this=0x7f68440008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x7f6862a310ba in QEventLoop::exec (this=this@entry=0x7f68520e1cd0,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x7f6862860f64 in QThread::exec (this=) at
thread/qthread.cpp:507
#6  0x7f6862c94735 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x7f6862865b48 in QThreadPrivate::start (arg=0x7f6862d08d60) at
thread/qthread_unix.cpp:368
#8  0x7f68607a46ba in start_thread (arg=0x7f68520e2700) at
pthread_create.c:333
#9  0x7f6861e6982d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f68542a5700 (LWP 4721)):
#0  0x7f6861e5db5d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x7f685f22fc62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x7f685f2318d7 in xcb_wait_for_event () from
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x7f68567fdd79 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x7f6862865b48 in QThreadPrivate::start (arg=0x2be13e0) at
thread/qthread_unix.cpp:368
#5  0x7f68607a46ba in start_thread (arg=0x7f68542a5700) at
pthread_create.c:333
#6  0x7f6861e6982d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f6856bff8c0 (LWP 4719)):
[KCrash Handler]
#6  0x7f68628ec19f in std::__atomic_base::load
(__m=std::memory_order_relaxed, this=) at
/usr/include/c++/5/bits/atomic_base.h:396
#7  QAtomicOps::load (_q_value=...) at
../../include/QtCore/../../src/corelib/arch/qatomic_cxx11.h:227
#8  QBasicAtomicInteger::load (this=) at
../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:99
#9  QtPrivate::RefCount::ref (this=) at
../../include/QtCore/../../src/corelib/tools/qrefcount.h:55
#10 QString::operator= (this=this@entry=0x7ffd70b1a270, other=...) at
tools/qstring.cpp:1814
#11 0x005124af in InputFilter::parseClientCommand
(this=this@entry=0x3124810, prefix=..., command=..., parameterList=...,
messageTags=...) at