Bug 351143

Summary: Plasma crashed when clicking the start menu
Product: [Plasma] plasmashell Reporter: wodencafe
Component: generalAssignee: David Edmundson <kde>
Status: RESOLVED DUPLICATE    
Severity: crash CC: bshah, plasma-bugs-null
Priority: NOR Keywords: drkonqi
Version First Reported In: 5.2.2   
Target Milestone: 1.0   
Platform: Ubuntu   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description wodencafe 2015-08-10 01:23:12 UTC 
Application: plasmashell (5.2.2)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-25-generic x86_64
Distribution: Ubuntu 15.04

-- Information about the crash:
- What I was doing when the application crashed:
I was trying to click the start menu button, the environment seemed kind of frozen, and then plasma crashed. The start menu never appeared.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f17e6e8a7c0 (LWP 1907))]

Thread 56 (Thread 0x7f17d0cc4700 (LWP 1908)):
#0  0x00007f17e1c458dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f17e41b2b72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f17e41b464f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f17d3853099 in QXcbEventReader::run (this=0x21fc070) at qxcbconnection.cpp:1105
#4  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x21fc070) at thread/qthread_unix.cpp:337
#5  0x00007f17e14cc6aa in start_thread (arg=0x7f17d0cc4700) at pthread_create.c:333
#6  0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 55 (Thread 0x7f17c3ebf700 (LWP 1919)):
#0  0x00007f17de35186b in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f17de351e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f17de352242 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f17ca8f0af6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f17de378955 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f17e14cc6aa in start_thread (arg=0x7f17c3ebf700) at pthread_create.c:333
#6  0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 54 (Thread 0x7f17c36be700 (LWP 1921)):
#0  0x00007f17e1c458dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f17de351ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f17de352009 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f17de378955 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f17e14cc6aa in start_thread (arg=0x7f17c36be700) at pthread_create.c:333
#6  0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 53 (Thread 0x7f17c2ebd700 (LWP 1933)):
#0  0x00007f17de396240 in g_private_get () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f17de378e00 in g_thread_self () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f17de350ddc in g_main_context_acquire () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f17de351d75 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f17e255dc6c in QEventDispatcherGlib::processEvents (this=0x7f17b8001320, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#6  0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7f17c2ebcde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007f17e22c1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007f17e404ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x2497980) at thread/qthread_unix.cpp:337
#10 0x00007f17e14cc6aa in start_thread (arg=0x7f17c2ebd700) at pthread_create.c:333
#11 0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 52 (Thread 0x7f17a92ec700 (LWP 1952)):
#0  0x00007f17de396789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f17de35173e in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f17de351e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f17e255dc6c in QEventDispatcherGlib::processEvents (this=0x7f17a40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7f17a92ebde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f17e22c1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f17e404ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x27bd6b0) at thread/qthread_unix.cpp:337
#9  0x00007f17e14cc6aa in start_thread (arg=0x7f17a92ec700) at pthread_create.c:333
#10 0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 51 (Thread 0x7f17a05cd700 (LWP 1985)):
#0  0x00007f17de3518a0 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f17de351e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f17e255dc6c in QEventDispatcherGlib::processEvents (this=0x7f17980008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7f17a05ccde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f17e22c1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f17e404ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x2a956b0) at thread/qthread_unix.cpp:337
#8  0x00007f17e14cc6aa in start_thread (arg=0x7f17a05cd700) at pthread_create.c:333
#9  0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 50 (Thread 0x7f179f5cc700 (LWP 1986)):
#0  0x00007f17de3513e8 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f17de351de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f17e255dc6c in QEventDispatcherGlib::processEvents (this=0x7f17900008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7f179f5cbde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f17e22c1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f17e404ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x2a293b0) at thread/qthread_unix.cpp:337
#8  0x00007f17e14cc6aa in start_thread (arg=0x7f179f5cc700) at pthread_create.c:333
#9  0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 49 (Thread 0x7f179e54b700 (LWP 1987)):
#0  0x00007f17de396789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f17de3512d7 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f17de351de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f17e255dc6c in QEventDispatcherGlib::processEvents (this=0x7f17940008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7f179e54ade0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f17e22c1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f17e404ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x2b91b70) at thread/qthread_unix.cpp:337
#9  0x00007f17e14cc6aa in start_thread (arg=0x7f179e54b700) at pthread_create.c:333
#10 0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 48 (Thread 0x7f179d44a700 (LWP 1988)):
#0  0x00007f17de396789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f17de351409 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f17de351de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f17e255dc6c in QEventDispatcherGlib::processEvents (this=0x7f17880008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7f179d449de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f17e22c1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f17e404ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x2c98150) at thread/qthread_unix.cpp:337
#9  0x00007f17e14cc6aa in start_thread (arg=0x7f179d44a700) at pthread_create.c:333
#10 0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 47 (Thread 0x7f178ffff700 (LWP 1989)):
#0  0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f17e255dc6c in QEventDispatcherGlib::processEvents (this=0x7f17840008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#2  0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7f178fffede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#3  0x00007f17e22c1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#4  0x00007f17e404ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#5  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x2d856e0) at thread/qthread_unix.cpp:337
#6  0x00007f17e14cc6aa in start_thread (arg=0x7f178ffff700) at pthread_create.c:333
#7  0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 46 (Thread 0x7f178effe700 (LWP 1990)):
#0  0x00007f17e255d462 in timerSourceCheck (source=0x7f177c002c70) at kernel/qeventdispatcher_glib.cpp:164
#1  0x00007f17de3518c1 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f17de351e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f17e255dc6c in QEventDispatcherGlib::processEvents (this=0x7f177c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7f178effdde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f17e22c1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f17e404ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x2e78ec0) at thread/qthread_unix.cpp:337
#9  0x00007f17e14cc6aa in start_thread (arg=0x7f178effe700) at pthread_create.c:333
#10 0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 45 (Thread 0x7f178d9c4700 (LWP 1992)):
#0  0x00007f17e1c4149d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f17da911f45 in ?? () from /usr/lib/nvidia-346/tls/libnvidia-tls.so.346.87
#2  0x00007f17de3952f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f17de35196c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f17de351e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f17e255dc6c in QEventDispatcherGlib::processEvents (this=0x7f17800008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#7  0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7f178d9c3de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#8  0x00007f17e22c1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#9  0x00007f17e404ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x2f69990) at thread/qthread_unix.cpp:337
#11 0x00007f17e14cc6aa in start_thread (arg=0x7f178d9c4700) at pthread_create.c:333
#12 0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 44 (Thread 0x7f178c9c3700 (LWP 1993)):
#0  0x00007f17de396789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f17de351ea2 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f17e255dc6c in QEventDispatcherGlib::processEvents (this=0x7f17740008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7f178c9c2de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f17e22c1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f17e404ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x30592b0) at thread/qthread_unix.cpp:337
#8  0x00007f17e14cc6aa in start_thread (arg=0x7f178c9c3700) at pthread_create.c:333
#9  0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 43 (Thread 0x7f177b7ff700 (LWP 1994)):
#0  0x00007f17e1c458dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f17de351ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f17e255dc6c in QEventDispatcherGlib::processEvents (this=0x7f17700008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7f177b7fede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f17e22c1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f17e404ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x314b470) at thread/qthread_unix.cpp:337
#8  0x00007f17e14cc6aa in start_thread (arg=0x7f177b7ff700) at pthread_create.c:333
#9  0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 42 (Thread 0x7f177a7fe700 (LWP 1995)):
#0  0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f17e255dc6c in QEventDispatcherGlib::processEvents (this=0x7f17680008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#2  0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7f177a7fdde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#3  0x00007f17e22c1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#4  0x00007f17e404ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#5  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x3238ad0) at thread/qthread_unix.cpp:337
#6  0x00007f17e14cc6aa in start_thread (arg=0x7f177a7fe700) at pthread_create.c:333
#7  0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 41 (Thread 0x7f17796fd700 (LWP 1996)):
#0  0x00007f17e1c458dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f17de351ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f17e255dc6c in QEventDispatcherGlib::processEvents (this=0x7f176c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7f17796fcde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f17e22c1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f17e404ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x332e330) at thread/qthread_unix.cpp:337
#8  0x00007f17e14cc6aa in start_thread (arg=0x7f17796fd700) at pthread_create.c:333
#9  0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 40 (Thread 0x7f1767fff700 (LWP 1997)):
#0  0x00007f17de396789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f17de350df0 in g_main_context_acquire () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f17de351d75 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f17e255dc6c in QEventDispatcherGlib::processEvents (this=0x7f17600008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7f1767ffede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f17e22c1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f17e404ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x34219c0) at thread/qthread_unix.cpp:337
#9  0x00007f17e14cc6aa in start_thread (arg=0x7f1767fff700) at pthread_create.c:333
#10 0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 39 (Thread 0x7f1766ffe700 (LWP 1998)):
#0  0x00007f17de3967a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f17de351ddb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f17e255dc6c in QEventDispatcherGlib::processEvents (this=0x7f17580008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7f1766ffdde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f17e22c1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f17e404ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x351c4b0) at thread/qthread_unix.cpp:337
#8  0x00007f17e14cc6aa in start_thread (arg=0x7f1766ffe700) at pthread_create.c:333
#9  0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 38 (Thread 0x7f1765ffd700 (LWP 2001)):
#0  0x00007f17e1c458dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f17de351ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f17e255dc6c in QEventDispatcherGlib::processEvents (this=0x7f175c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7f1765ffcde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f17e22c1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f17e404ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x3603e00) at thread/qthread_unix.cpp:337
#8  0x00007f17e14cc6aa in start_thread (arg=0x7f1765ffd700) at pthread_create.c:333
#9  0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 37 (Thread 0x7f1764ffc700 (LWP 2002)):
#0  0x00007f17de396789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f17de3518cc in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f17de351e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f17e255dc6c in QEventDispatcherGlib::processEvents (this=0x7f17500008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7f1764ffbde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f17e22c1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f17e404ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x36f5980) at thread/qthread_unix.cpp:337
#9  0x00007f17e14cc6aa in start_thread (arg=0x7f1764ffc700) at pthread_create.c:333
#10 0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 36 (Thread 0x7f17577ff700 (LWP 2003)):
#0  __libc_disable_asynccancel () at ../sysdeps/unix/sysv/linux/x86_64/cancellation.S:98
#1  0x00007f17e1c458e9 in poll () at ../sysdeps/unix/syscall-template.S:81
#2  0x00007f17de351ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f17e255dc6c in QEventDispatcherGlib::processEvents (this=0x7f174c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7f17577fede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f17e22c1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f17e404ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x381f2e0) at thread/qthread_unix.cpp:337
#9  0x00007f17e14cc6aa in start_thread (arg=0x7f17577ff700) at pthread_create.c:333
#10 0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 35 (Thread 0x7f17567fe700 (LWP 2004)):
#0  0x00007f17de396789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f17de351fb8 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f17e255dc6c in QEventDispatcherGlib::processEvents (this=0x7f17440008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#3  0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7f17567fdde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#4  0x00007f17e22c1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#5  0x00007f17e404ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x38f7450) at thread/qthread_unix.cpp:337
#7  0x00007f17e14cc6aa in start_thread (arg=0x7f17567fe700) at pthread_create.c:333
#8  0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 34 (Thread 0x7f17557fd700 (LWP 2005)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f17e5fd0644 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007f17e5fd0689 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007f17e14cc6aa in start_thread (arg=0x7f17557fd700) at pthread_create.c:333
#4  0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 33 (Thread 0x7f1754ffc700 (LWP 2006)):
#0  0x00007f17de351a16 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f17de351f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f17e255dc6c in QEventDispatcherGlib::processEvents (this=0x7f17480008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7f1754ffbde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f17e22c1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f17e404ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x39e5740) at thread/qthread_unix.cpp:337
#8  0x00007f17e14cc6aa in start_thread (arg=0x7f1754ffc700) at pthread_create.c:333
#9  0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 32 (Thread 0x7f16c37ff700 (LWP 2018)):
#0  0x00007f17de351490 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f17de351de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f17e255dc6c in QEventDispatcherGlib::processEvents (this=0x7f16bc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7f16c37fede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f17e22c1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f17e404ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x3b69710) at thread/qthread_unix.cpp:337
#8  0x00007f17e14cc6aa in start_thread (arg=0x7f16c37ff700) at pthread_create.c:333
#9  0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 31 (Thread 0x7f16c1f49700 (LWP 2020)):
#0  0x00007f17de3967a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f17de3516f9 in g_main_context_query () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f17de351e37 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f17e255dc6c in QEventDispatcherGlib::processEvents (this=0x7f16b40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7f16c1f48de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f17e22c1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f17e404ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x3cad140) at thread/qthread_unix.cpp:337
#9  0x00007f17e14cc6aa in start_thread (arg=0x7f16c1f49700) at pthread_create.c:333
#10 0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 30 (Thread 0x7f16bbd00700 (LWP 2041)):
#0  0x00007f17de34eeb7 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f17de35139b in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f17de351de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f17e255dc6c in QEventDispatcherGlib::processEvents (this=0x7f16b00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7f16bbcffde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f17e22c1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f17e404ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x3f401f0) at thread/qthread_unix.cpp:337
#9  0x00007f17e14cc6aa in start_thread (arg=0x7f16bbd00700) at pthread_create.c:333
#10 0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 29 (Thread 0x7f16babfd700 (LWP 2055)):
#0  0x00007f17e1c458dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f17de351ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f17e255dc6c in QEventDispatcherGlib::processEvents (this=0x7f16a80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7f16babfcd90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f17e22c1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f17e6b39b56 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x3cafe10) at thread/qthread_unix.cpp:337
#8  0x00007f17e14cc6aa in start_thread (arg=0x7f16babfd700) at pthread_create.c:333
#9  0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 28 (Thread 0x7f16ba3fa700 (LWP 2056)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f17e22c7c6b in wait (time=18446744073709551615, this=0x40c5c30) at thread/qwaitcondition_unix.cpp:128
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x40baf60, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:200
#3  0x00007f17e6babfab in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f17e6bac3a0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x40baee0) at thread/qthread_unix.cpp:337
#6  0x00007f17e14cc6aa in start_thread (arg=0x7f16ba3fa700) at pthread_create.c:333
#7  0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 27 (Thread 0x7f16a6bfe700 (LWP 2067)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f17e22c7c6b in wait (time=18446744073709551615, this=0x41fa7b0) at thread/qwaitcondition_unix.cpp:128
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x224b7b0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:200
#3  0x00007f17e6babfab in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f17e6bac3a0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x224b730) at thread/qthread_unix.cpp:337
#6  0x00007f17e14cc6aa in start_thread (arg=0x7f16a6bfe700) at pthread_create.c:333
#7  0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 26 (Thread 0x7f16a4bfc700 (LWP 2075)):
#0  0x00007f17de34ef10 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f17de35139b in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f17de351de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f17e255dc6c in QEventDispatcherGlib::processEvents (this=0x3f3e5d0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7f16a4bfbde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f17e22c1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f17e404ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x27cc130) at thread/qthread_unix.cpp:337
#9  0x00007f17e14cc6aa in start_thread (arg=0x7f16a4bfc700) at pthread_create.c:333
#10 0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 25 (Thread 0x7f17c26bc700 (LWP 2171)):
#0  0x00007f17de3967a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f17de3518b9 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f17de351e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f17e255dc6c in QEventDispatcherGlib::processEvents (this=0x7f17ac0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7f17c26bbde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f17e22c1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f17e404ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x47a7d00) at thread/qthread_unix.cpp:337
#9  0x00007f17e14cc6aa in start_thread (arg=0x7f17c26bc700) at pthread_create.c:333
#10 0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 24 (Thread 0x7f169d419700 (LWP 2172)):
#0  0x00007f17de396789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f17de3518cc in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f17de351e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f17e255dc6c in QEventDispatcherGlib::processEvents (this=0x7f16a01c9a90, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7f169d418de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f17e22c1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f17e404ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x4bb6c20) at thread/qthread_unix.cpp:337
#9  0x00007f17e14cc6aa in start_thread (arg=0x7f169d419700) at pthread_create.c:333
#10 0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 23 (Thread 0x7f169c318700 (LWP 2173)):
#0  0x00007f17de396789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f17de350f38 in g_main_context_release () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f17de351e76 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f17e255dc6c in QEventDispatcherGlib::processEvents (this=0x7f16ac103890, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7f169c317de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f17e22c1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f17e404ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x4c99230) at thread/qthread_unix.cpp:337
#9  0x00007f17e14cc6aa in start_thread (arg=0x7f169c318700) at pthread_create.c:333
#10 0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 22 (Thread 0x7f169b217700 (LWP 2174)):
#0  0x00007f17e1c458d2 in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f17de351ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f17e255dc6c in QEventDispatcherGlib::processEvents (this=0x7f16a80034b0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7f169b216de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f17e22c1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f17e404ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x4d96db0) at thread/qthread_unix.cpp:337
#8  0x00007f17e14cc6aa in start_thread (arg=0x7f169b217700) at pthread_create.c:333
#9  0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 21 (Thread 0x7f169a116700 (LWP 2181)):
#0  0x00007f17e1c458dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f17de351ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f17e255dc6c in QEventDispatcherGlib::processEvents (this=0x7f16b00013e0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7f169a115de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f17e22c1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f17e404ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x4e7d920) at thread/qthread_unix.cpp:337
#8  0x00007f17e14cc6aa in start_thread (arg=0x7f169a116700) at pthread_create.c:333
#9  0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 20 (Thread 0x7f1699015700 (LWP 2183)):
#0  0x00007f17de396789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f17de351409 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f17de351de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f17e255dc6c in QEventDispatcherGlib::processEvents (this=0x7f16b4008120, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7f1699014de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f17e22c1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f17e404ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x4f94c20) at thread/qthread_unix.cpp:337
#9  0x00007f17e14cc6aa in start_thread (arg=0x7f1699015700) at pthread_create.c:333
#10 0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 19 (Thread 0x7f1697f14700 (LWP 2184)):
#0  0x00007f17de3967a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f17de3518b9 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f17de351e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f17e255dc6c in QEventDispatcherGlib::processEvents (this=0x7f16bc0013e0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7f1697f13de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f17e22c1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f17e404ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x505ffe0) at thread/qthread_unix.cpp:337
#9  0x00007f17e14cc6aa in start_thread (arg=0x7f1697f14700) at pthread_create.c:333
#10 0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 18 (Thread 0x7f1696e13700 (LWP 2185)):
#0  0x00007f17de3967a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f17de350e5e in g_main_context_acquire () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f17de351d75 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f17e255dc6c in QEventDispatcherGlib::processEvents (this=0x7f1748008720, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7f1696e12de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f17e22c1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f17e404ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x5144050) at thread/qthread_unix.cpp:337
#9  0x00007f17e14cc6aa in start_thread (arg=0x7f1696e13700) at pthread_create.c:333
#10 0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 17 (Thread 0x7f1695d12700 (LWP 2186)):
#0  0x00007f17de3967a0 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f17de351a2a in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f17de351f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f17e255dc6c in QEventDispatcherGlib::processEvents (this=0x7f1744003320, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7f1695d11de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f17e22c1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f17e404ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x5246d50) at thread/qthread_unix.cpp:337
#9  0x00007f17e14cc6aa in start_thread (arg=0x7f1695d12700) at pthread_create.c:333
#10 0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 16 (Thread 0x7f1694c10700 (LWP 2187)):
#0  0x00007f17de3512d7 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f17de351de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f17e255dc6c in QEventDispatcherGlib::processEvents (this=0x7f174c00d410, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7f1694c0fde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f17e22c1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f17e404ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x535acd0) at thread/qthread_unix.cpp:337
#8  0x00007f17e14cc6aa in start_thread (arg=0x7f1694c10700) at pthread_create.c:333
#9  0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 15 (Thread 0x7f1693b0d700 (LWP 2188)):
#0  _dl_update_slotinfo (req_modid=1) at dl-tls.c:622
#1  0x00007f17e6e3987c in update_get_addr (ti=0x7f17e2760680) at dl-tls.c:801
#2  0x00007f17e22c5a12 in get_thread_data () at thread/qthread_unix.cpp:181
#3  QThreadData::current (createIfNecessary=createIfNecessary@entry=true) at thread/qthread_unix.cpp:212
#4  0x00007f17e255d1ba in postEventSourcePrepare (s=0x7f1750329700, timeout=0x7f1693b0cc14) at kernel/qeventdispatcher_glib.cpp:247
#5  0x00007f17de3513fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f17de351de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f17e255dc6c in QEventDispatcherGlib::processEvents (this=0x7f175000dee0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#9  0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7f1693b0cde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#10 0x00007f17e22c1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#11 0x00007f17e404ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#12 0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x541b6a0) at thread/qthread_unix.cpp:337
#13 0x00007f17e14cc6aa in start_thread (arg=0x7f1693b0d700) at pthread_create.c:333
#14 0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 14 (Thread 0x7f1692a0a700 (LWP 2193)):
#0  0x00007f17de396789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f17de351409 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f17de351de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f17e255dc6c in QEventDispatcherGlib::processEvents (this=0x7f175c0139b0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7f1692a09de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f17e22c1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f17e404ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x5531c20) at thread/qthread_unix.cpp:337
#9  0x00007f17e14cc6aa in start_thread (arg=0x7f1692a0a700) at pthread_create.c:333
#10 0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7f1691907700 (LWP 2194)):
#0  0x00007f17de396789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f17de3518cc in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f17de351e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f17e255dc6c in QEventDispatcherGlib::processEvents (this=0x7f175806a8e0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7f1691906de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f17e22c1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f17e404ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x55fce70) at thread/qthread_unix.cpp:337
#9  0x00007f17e14cc6aa in start_thread (arg=0x7f1691907700) at pthread_create.c:333
#10 0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7f1690804700 (LWP 2196)):
#0  0x00007f17e1c458dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f17de351ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f17e255dc6c in QEventDispatcherGlib::processEvents (this=0x7f17600724c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7f1690803de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f17e22c1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f17e404ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x571c6e0) at thread/qthread_unix.cpp:337
#8  0x00007f17e14cc6aa in start_thread (arg=0x7f1690804700) at pthread_create.c:333
#9  0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7f168f701700 (LWP 2197)):
#0  0x00007f17de351880 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f17de351e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f17e255dc6c in QEventDispatcherGlib::processEvents (this=0x7f176c010fb0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7f168f700de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f17e22c1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f17e404ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x57dca90) at thread/qthread_unix.cpp:337
#8  0x00007f17e14cc6aa in start_thread (arg=0x7f168f701700) at pthread_create.c:333
#9  0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7f168e5fe700 (LWP 2198)):
#0  0x00007f17e1c458dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f17e41b2b72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f17e41b3191 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f17e41b3211 in xcb_writev () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#4  0x00007f17e440411e in _XSend (dpy=dpy@entry=0x21ee950, data=data@entry=0x0, size=size@entry=0) at ../../src/xcb_io.c:495
#5  0x00007f17e4404475 in _XFlush (dpy=0x21ee950) at ../../src/xcb_io.c:512
#6  0x00007f17e43e6bfa in XFlush (dpy=0x21ee950) at ../../src/Flush.c:39
#7  0x00007f17d387a312 in QGLXContext::swapBuffers (this=0x29e9ab0, surface=0x44c74b0) at qglxintegration.cpp:529
#8  0x00007f17e288f496 in QOpenGLContext::swapBuffers (this=0x46a0770, surface=<optimized out>) at kernel/qopenglcontext.cpp:990
#9  0x00007f17e6baa9ac in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#10 0x00007f17e6bac360 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x47ab110) at thread/qthread_unix.cpp:337
#12 0x00007f17e14cc6aa in start_thread (arg=0x7f168e5fe700) at pthread_create.c:333
#13 0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7f168db3d700 (LWP 2199)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f17e22c7c6b in wait (time=18446744073709551615, this=0x5a134f0) at thread/qwaitcondition_unix.cpp:128
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x5a13bf0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:200
#3  0x00007f17e6babfab in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f17e6bac3a0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x5a13b70) at thread/qthread_unix.cpp:337
#6  0x00007f17e14cc6aa in start_thread (arg=0x7f168db3d700) at pthread_create.c:333
#7  0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7f168942c700 (LWP 2282)):
#0  0x00007f17de396789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f17de3512d7 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f17de351de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f17e255dc6c in QEventDispatcherGlib::processEvents (this=0x7f1774008720, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7f168942bdc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f17e22c1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f168a462cf7 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#8  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x6067240) at thread/qthread_unix.cpp:337
#9  0x00007f17e14cc6aa in start_thread (arg=0x7f168942c700) at pthread_create.c:333
#10 0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f168858c700 (LWP 2283)):
#0  0x00007f17de3967a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f17de351852 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f17de351e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f17e255dc6c in QEventDispatcherGlib::processEvents (this=0x7f1780008320, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7f168858bde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f17e22c1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f17e404ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x5ccd0c0) at thread/qthread_unix.cpp:337
#9  0x00007f17e14cc6aa in start_thread (arg=0x7f168858c700) at pthread_create.c:333
#10 0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f1687489700 (LWP 2284)):
#0  0x00007f17de3967a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f17de351eb1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f17e255dc6c in QEventDispatcherGlib::processEvents (this=0x7f177c0082c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7f1687488de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f17e22c1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f17e404ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x62d1070) at thread/qthread_unix.cpp:337
#8  0x00007f17e14cc6aa in start_thread (arg=0x7f1687489700) at pthread_create.c:333
#9  0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f16838c4700 (LWP 2296)):
#0  0x00007f17e22be9ca in testAndSetRelaxed<QMutexData*> (currentValue=<synthetic pointer>, newValue=0x1, expectedValue=0x0, _q_value=@0x60ebc78: 0x1) at ../../include/QtCore/../../src/corelib/arch/qatomic_x86.h:259
#1  testAndSetAcquire<QMutexData*, QMutexData*> (currentValue=<synthetic pointer>, newValue=0x1, expectedValue=0x0, _q_value=@0x60ebc78: 0x1) at ../../include/QtCore/../../src/corelib/thread/qgenericatomic.h:166
#2  testAndSetAcquire (currentValue=<synthetic pointer>, newValue=0x1, expectedValue=0x0, this=0x60ebc78, this@entry=0x1) at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:270
#3  fastTryLock (current=<synthetic pointer>, this=0x60ebc78, this@entry=0x1) at thread/qmutex.h:82
#4  QMutex::lock (this=this@entry=0x60ebc78) at thread/qmutex.cpp:212
#5  0x00007f17e255d1db in QMutexLocker (m=0x60ebc78, this=<synthetic pointer>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:128
#6  canWaitLocked (this=0x60ebc50) at ../../include/QtCore/5.4.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:243
#7  postEventSourcePrepare (s=0x7f17840d0370, timeout=0x7f16838c3c14) at kernel/qeventdispatcher_glib.cpp:254
#8  0x00007f17de3513fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f17de351de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f17e255dc6c in QEventDispatcherGlib::processEvents (this=0x7f1784078e40, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#12 0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7f16838c3de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#13 0x00007f17e22c1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#14 0x00007f17e404ff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#15 0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x69683e0) at thread/qthread_unix.cpp:337
#16 0x00007f17e14cc6aa in start_thread (arg=0x7f16838c4700) at pthread_create.c:333
#17 0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f16827f7700 (LWP 2297)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f17e22c7c6b in wait (time=18446744073709551615, this=0x69f15f0) at thread/qwaitcondition_unix.cpp:128
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x5be9900, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:200
#3  0x00007f17e6babfab in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f17e6bac3a0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x5be9880) at thread/qthread_unix.cpp:337
#6  0x00007f17e14cc6aa in start_thread (arg=0x7f16827f7700) at pthread_create.c:333
#7  0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f1681e9a700 (LWP 2971)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f17e22c7c6b in wait (time=18446744073709551615, this=0x6bf4060) at thread/qwaitcondition_unix.cpp:128
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x4a33dd0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:200
#3  0x00007f17e6babfab in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f17e6bac3a0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x4a33d50) at thread/qthread_unix.cpp:337
#6  0x00007f17e14cc6aa in start_thread (arg=0x7f1681e9a700) at pthread_create.c:333
#7  0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f1680fd9700 (LWP 3962)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f17e22c7c6b in wait (time=18446744073709551615, this=0x6bd0e10) at thread/qwaitcondition_unix.cpp:128
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x2f62cf0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:200
#3  0x00007f17e6babfab in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f17e6bac3a0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f17e22c6b0e in QThreadPrivate::start (arg=0x2f62c70) at thread/qthread_unix.cpp:337
#6  0x00007f17e14cc6aa in start_thread (arg=0x7f1680fd9700) at pthread_create.c:333
#7  0x00007f17e1c50eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f17e6e8a7c0 (LWP 1907)):
[KCrash Handler]
#6  QObject::setParent (this=0x0, parent=0x4b710b0) at kernel/qobject.cpp:1937
#7  0x00007f169eb07dc3 in SystemTray::PlasmoidTask::PlasmoidTask (this=0x76c9a90, packageName=..., appletId=-497168368, cont=0x0, parent=0x76f9f80) at ../../../../applets/systemtray/plugin/protocols/plasmoid/plasmoidtask.cpp:57
#8  0x00007f169eb0ad21 in SystemTray::PlasmoidProtocol::newTask (this=this@entry=0x4774b00, service=...) at ../../../../applets/systemtray/plugin/protocols/plasmoid/plasmoidprotocol.cpp:205
#9  0x00007f169eb0b3a4 in SystemTray::PlasmoidProtocol::serviceRegistered (this=0x4774b00, service=...) at ../../../../applets/systemtray/plugin/protocols/plasmoid/plasmoidprotocol.cpp:293
#10 0x00007f17e253535a in call (a=0x7ffdc5fdc3c0, r=0x4774b00, this=0x2250bd0) at ../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:124
#11 QMetaObject::activate (sender=0x44f2d40, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffdc5fdc3c0) at kernel/qobject.cpp:3702
#12 0x00007f17e2536057 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7f17e7013600 <QDBusServiceWatcher::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffdc5fdc3c0) at kernel/qobject.cpp:3582
#13 0x00007f17e6ff9a32 in QDBusServiceWatcher::serviceRegistered (this=<optimized out>, _t1=...) at .moc/moc_qdbusservicewatcher.cpp:200
#14 0x00007f17e6ffae47 in QDBusServiceWatcher::qt_metacall (this=0x44f2d40, _c=QMetaObject::InvokeMetaMethod, _id=3, _a=0x7ffdc5fdc540) at .moc/moc_qdbusservicewatcher.cpp:151
#15 0x00007f17e6fb55c7 in QDBusConnectionPrivate::deliverCall (this=0x0, object=0x4b710b0, msg=..., metaTypes=..., slotIdx=1) at qdbusintegrator.cpp:993
#16 0x00007f17e253673a in QObject::event (this=0x44f2d40, e=<optimized out>) at kernel/qobject.cpp:1245
#17 0x00007f17e2e0eb2c in QApplicationPrivate::notify_helper (this=0x21d21c0, receiver=0x44f2d40, e=0x74d2f60) at kernel/qapplication.cpp:3720
#18 0x00007f17e2e14000 in QApplication::notify (this=0x7ffdc5fdcc70, receiver=0x44f2d40, e=0x74d2f60) at kernel/qapplication.cpp:3503
#19 0x00007f17e2504c2b in QCoreApplication::notifyInternal (this=0x7ffdc5fdcc70, receiver=0x44f2d40, event=event@entry=0x74d2f60) at kernel/qcoreapplication.cpp:935
#20 0x00007f17e2506c9b in sendEvent (event=0x74d2f60, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:228
#21 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x21c7bd0) at kernel/qcoreapplication.cpp:1552
#22 0x00007f17e2507298 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1410
#23 0x00007f17e255d843 in postEventSourceDispatch (s=0x227fad0) at kernel/qeventdispatcher_glib.cpp:271
#24 0x00007f17de351c3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f17de351f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007f17de351fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007f17e255dc57 in QEventDispatcherGlib::processEvents (this=0x229f8a0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#28 0x00007f17e25023e2 in QEventLoop::exec (this=this@entry=0x7ffdc5fdcaf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#29 0x00007f17e250a02c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#30 0x00007f17e284931c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1510
#31 0x00007f17e2e0a7a5 in QApplication::exec () at kernel/qapplication.cpp:2956
#32 0x000000000042fd9b in main (argc=2, argv=<optimized out>) at ../../shell/main.cpp:158

Possible duplicates by query: bug 349864, bug 349081, bug 348468.

Reported using DrKonqi
Comment 1 David Edmundson 2015-08-11 09:41:46 UTC 
Thanks

*** This bug has been marked as a duplicate of bug 349864 ***
Comment 2 David Edmundson 2015-08-11 09:42:34 UTC 
This should be fixed in newer releases. 
5.2.2 is quite old, please upgrade.