Bug 349326

Summary: Plazma crash I change display resolution
Product: [Plasma] plasmashell Reporter: Roman <romanick>
Component: generalAssignee: David Edmundson <kde>
Status: RESOLVED DUPLICATE    
Severity: crash CC: bhush94, elwindwalker, plasma-bugs
Priority: NOR Keywords: drkonqi
Version: 5.2.2   
Target Milestone: 1.0   
Platform: Ubuntu   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description Roman 2015-06-18 10:25:56 UTC 
Application: plasmashell (5.2.2)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-21-generic x86_64
Distribution: Ubuntu 15.04

-- Information about the crash:
Plazma crash when I change display resolution after change a monitor connection.

-- 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 0x7f7ffc17c7c0 (LWP 1958))]

Thread 37 (Thread 0x7f7fe7dce700 (LWP 1959)):
#0  0x00007f7ff6f318dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f7ff949eb72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f7ff94a064f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f7fea115099 in QXcbEventReader::run (this=0x1256810) at qxcbconnection.cpp:1105
#4  0x00007f7ff75b2b0e in QThreadPrivate::start (arg=0x1256810) at thread/qthread_unix.cpp:337
#5  0x00007f7ff67b86aa in start_thread (arg=0x7f7fe7dce700) at pthread_create.c:333
#6  0x00007f7ff6f3ceed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 36 (Thread 0x7f7fe56f5700 (LWP 1973)):
#0  0x00007f7ff363aeb7 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f7ff363d7ef in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7ff363de60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7ff363dfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f7ff7849c6c in QEventDispatcherGlib::processEvents (this=0x7f7fdc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f7ff77ee3e2 in QEventLoop::exec (this=this@entry=0x7f7fe56f4de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f7ff75adb44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f7ff933bf65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f7ff75b2b0e in QThreadPrivate::start (arg=0x131a560) at thread/qthread_unix.cpp:337
#9  0x00007f7ff67b86aa in start_thread (arg=0x7f7fe56f5700) at pthread_create.c:333
#10 0x00007f7ff6f3ceed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 35 (Thread 0x7f7fcfb19700 (LWP 2001)):
#0  0x00007f7ff6f318dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f7ff363debc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7ff363dfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7ff7849c6c in QEventDispatcherGlib::processEvents (this=0x7f7fc80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f7ff77ee3e2 in QEventLoop::exec (this=this@entry=0x7f7fcfb18de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f7ff75adb44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f7ff933bf65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f7ff75b2b0e in QThreadPrivate::start (arg=0x15ef970) at thread/qthread_unix.cpp:337
#8  0x00007f7ff67b86aa in start_thread (arg=0x7f7fcfb19700) at pthread_create.c:333
#9  0x00007f7ff6f3ceed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 34 (Thread 0x7f7fcdbf0700 (LWP 2019)):
#0  0x00007f7ff363aefe in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f7ff363d7ef in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7ff363de60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7ff363dfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f7ff7849c6c in QEventDispatcherGlib::processEvents (this=0x7f7fc00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f7ff77ee3e2 in QEventLoop::exec (this=this@entry=0x7f7fcdbefde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f7ff75adb44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f7ff933bf65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f7ff75b2b0e in QThreadPrivate::start (arg=0x17532c0) at thread/qthread_unix.cpp:337
#9  0x00007f7ff67b86aa in start_thread (arg=0x7f7fcdbf0700) at pthread_create.c:333
#10 0x00007f7ff6f3ceed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 33 (Thread 0x7f7fccb0f700 (LWP 2020)):
#0  0x00007f7ff363d803 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f7ff363de60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7ff363dfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7ff7849c6c in QEventDispatcherGlib::processEvents (this=0x7f7fc40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f7ff77ee3e2 in QEventLoop::exec (this=this@entry=0x7f7fccb0ede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f7ff75adb44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f7ff933bf65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f7ff75b2b0e in QThreadPrivate::start (arg=0x17c2c10) at thread/qthread_unix.cpp:337
#8  0x00007f7ff67b86aa in start_thread (arg=0x7f7fccb0f700) at pthread_create.c:333
#9  0x00007f7ff6f3ceed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 32 (Thread 0x7f7fbf7ff700 (LWP 2022)):
#0  0x00007f7ff6f2d49d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f7ff36812f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7ff363d96c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7ff363de60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f7ff363dfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f7ff7849c6c in QEventDispatcherGlib::processEvents (this=0x7f7fb80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#6  0x00007f7ff77ee3e2 in QEventLoop::exec (this=this@entry=0x7f7fbf7fede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007f7ff75adb44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007f7ff933bf65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f7ff75b2b0e in QThreadPrivate::start (arg=0x18a9250) at thread/qthread_unix.cpp:337
#10 0x00007f7ff67b86aa in start_thread (arg=0x7f7fbf7ff700) at pthread_create.c:333
#11 0x00007f7ff6f3ceed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 31 (Thread 0x7f7fbe7fe700 (LWP 2025)):
#0  0x00007f7ff7847b98 in QTimerInfoList::timerWait (this=0x7f7fb0002cd0, tm=...) at kernel/qtimerinfo_unix.cpp:378
#1  0x00007f7ff784903e in timerSourcePrepareHelper (timeout=0x7f7fbe7fdc14, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:127
#2  timerSourcePrepare (source=<optimized out>, timeout=0x7f7fbe7fdc14) at kernel/qeventdispatcher_glib.cpp:160
#3  0x00007f7ff363d3fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f7ff363dde8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f7ff363dfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f7ff7849c6c in QEventDispatcherGlib::processEvents (this=0x7f7fb00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#7  0x00007f7ff77ee3e2 in QEventLoop::exec (this=this@entry=0x7f7fbe7fdde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#8  0x00007f7ff75adb44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#9  0x00007f7ff933bf65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007f7ff75b2b0e in QThreadPrivate::start (arg=0x197d4a0) at thread/qthread_unix.cpp:337
#11 0x00007f7ff67b86aa in start_thread (arg=0x7f7fbe7fe700) at pthread_create.c:333
#12 0x00007f7ff6f3ceed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 30 (Thread 0x7f7fbd7fd700 (LWP 2031)):
#0  0x00007f7ffc125618 in _dl_update_slotinfo (req_modid=1) at dl-tls.c:622
#1  0x00007f7ffc12587c in update_get_addr (ti=0x7f7ff7a4c680) at dl-tls.c:801
#2  0x00007f7ff75b1a12 in get_thread_data () at thread/qthread_unix.cpp:181
#3  QThreadData::current (createIfNecessary=createIfNecessary@entry=true) at thread/qthread_unix.cpp:212
#4  0x00007f7ff7849591 in postEventSourcePrepare (timeout=0x0, s=0x7f7fb40012d0) at kernel/qeventdispatcher_glib.cpp:247
#5  postEventSourceCheck (source=0x7f7fb40012d0) at kernel/qeventdispatcher_glib.cpp:264
#6  0x00007f7ff363d8c1 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f7ff363de60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f7ff363dfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f7ff7849c6c in QEventDispatcherGlib::processEvents (this=0x7f7fb40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#10 0x00007f7ff77ee3e2 in QEventLoop::exec (this=this@entry=0x7f7fbd7fcde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#11 0x00007f7ff75adb44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#12 0x00007f7ff933bf65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#13 0x00007f7ff75b2b0e in QThreadPrivate::start (arg=0x1a96660) at thread/qthread_unix.cpp:337
#14 0x00007f7ff67b86aa in start_thread (arg=0x7f7fbd7fd700) at pthread_create.c:333
#15 0x00007f7ff6f3ceed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 29 (Thread 0x7f7faffff700 (LWP 2034)):
#0  0x00007f7ff36827a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f7ff363d8b9 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7ff363de60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7ff363dfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f7ff7849c6c in QEventDispatcherGlib::processEvents (this=0x7f7fa80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f7ff77ee3e2 in QEventLoop::exec (this=this@entry=0x7f7fafffede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f7ff75adb44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f7ff933bf65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f7ff75b2b0e in QThreadPrivate::start (arg=0x1b8cb10) at thread/qthread_unix.cpp:337
#9  0x00007f7ff67b86aa in start_thread (arg=0x7f7faffff700) at pthread_create.c:333
#10 0x00007f7ff6f3ceed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 28 (Thread 0x7f7faeffe700 (LWP 2036)):
#0  0x00007f7ff363d732 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f7ff363de60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7ff363dfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7ff7849c6c in QEventDispatcherGlib::processEvents (this=0x7f7fa00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f7ff77ee3e2 in QEventLoop::exec (this=this@entry=0x7f7faeffdde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f7ff75adb44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f7ff933bf65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f7ff75b2b0e in QThreadPrivate::start (arg=0x1c802e0) at thread/qthread_unix.cpp:337
#8  0x00007f7ff67b86aa in start_thread (arg=0x7f7faeffe700) at pthread_create.c:333
#9  0x00007f7ff6f3ceed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 27 (Thread 0x7f7fadffd700 (LWP 2037)):
#0  0x00007f7ff36827a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f7ff363d3f0 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7ff363dde8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7ff363dfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f7ff7849c6c in QEventDispatcherGlib::processEvents (this=0x7f7fa40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f7ff77ee3e2 in QEventLoop::exec (this=this@entry=0x7f7fadffcde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f7ff75adb44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f7ff933bf65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f7ff75b2b0e in QThreadPrivate::start (arg=0x1d468e0) at thread/qthread_unix.cpp:337
#9  0x00007f7ff67b86aa in start_thread (arg=0x7f7fadffd700) at pthread_create.c:333
#10 0x00007f7ff6f3ceed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 26 (Thread 0x7f7facffc700 (LWP 2039)):
#0  0x00007f7ff6f318dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f7ff363debc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7ff363dfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7ff7849c6c in QEventDispatcherGlib::processEvents (this=0x7f7f980008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f7ff77ee3e2 in QEventLoop::exec (this=this@entry=0x7f7facffbde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f7ff75adb44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f7ff933bf65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f7ff75b2b0e in QThreadPrivate::start (arg=0x1e35e40) at thread/qthread_unix.cpp:337
#8  0x00007f7ff67b86aa in start_thread (arg=0x7f7facffc700) at pthread_create.c:333
#9  0x00007f7ff6f3ceed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 25 (Thread 0x7f7f9f7ff700 (LWP 2040)):
#0  0x00007f7ff36827a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f7ff363d3f0 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7ff363dde8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7ff363dfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f7ff7849c6c in QEventDispatcherGlib::processEvents (this=0x7f7f940008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f7ff77ee3e2 in QEventLoop::exec (this=this@entry=0x7f7f9f7fede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f7ff75adb44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f7ff933bf65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f7ff75b2b0e in QThreadPrivate::start (arg=0x1f5eb90) at thread/qthread_unix.cpp:337
#9  0x00007f7ff67b86aa in start_thread (arg=0x7f7f9f7ff700) at pthread_create.c:333
#10 0x00007f7ff6f3ceed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 24 (Thread 0x7f7f9e7fe700 (LWP 2041)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f7ffb2bc644 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007f7ffb2bc689 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007f7ff67b86aa in start_thread (arg=0x7f7f9e7fe700) at pthread_create.c:333
#4  0x00007f7ff6f3ceed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 23 (Thread 0x7f7f9dffd700 (LWP 2042)):
#0  0x00007f7ff6f2d4a1 in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f7ff36812f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7ff363d96c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7ff363de60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f7ff363dfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f7ff7849c6c in QEventDispatcherGlib::processEvents (this=0x7f7f0c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#6  0x00007f7ff77ee3e2 in QEventLoop::exec (this=this@entry=0x7f7f9dffcde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007f7ff75adb44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007f7ff933bf65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f7ff75b2b0e in QThreadPrivate::start (arg=0x202f6e0) at thread/qthread_unix.cpp:337
#10 0x00007f7ff67b86aa in start_thread (arg=0x7f7f9dffd700) at pthread_create.c:333
#11 0x00007f7ff6f3ceed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 22 (Thread 0x7f7f13fff700 (LWP 2043)):
#0  0x00007f7ff36827b0 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f7ff363d490 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7ff363dde8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7ff363dfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f7ff7849c6c in QEventDispatcherGlib::processEvents (this=0x7f7f080008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f7ff77ee3e2 in QEventLoop::exec (this=this@entry=0x7f7f13ffede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f7ff75adb44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f7ff933bf65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f7ff75b2b0e in QThreadPrivate::start (arg=0x21f3ae0) at thread/qthread_unix.cpp:337
#9  0x00007f7ff67b86aa in start_thread (arg=0x7f7f13fff700) at pthread_create.c:333
#10 0x00007f7ff6f3ceed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 21 (Thread 0x7f7f12b6f700 (LWP 2044)):
#0  0x00007f7ff6f2d49d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f7ff36812f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7ff363d96c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7ff363de60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f7ff363dfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f7ff7849c6c in QEventDispatcherGlib::processEvents (this=0x7f7f000008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#6  0x00007f7ff77ee3e2 in QEventLoop::exec (this=this@entry=0x7f7f12b6ed90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007f7ff75adb44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007f7ffbe25b56 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#9  0x00007f7ff75b2b0e in QThreadPrivate::start (arg=0x212c8a0) at thread/qthread_unix.cpp:337
#10 0x00007f7ff67b86aa in start_thread (arg=0x7f7f12b6f700) at pthread_create.c:333
#11 0x00007f7ff6f3ceed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 20 (Thread 0x7f7f11f85700 (LWP 2045)):
#0  0x00007f7ff784947d in timerSourceCheck (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#1  0x00007f7ff363d8c1 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7ff363de60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7ff363dfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f7ff7849c6c in QEventDispatcherGlib::processEvents (this=0x7f7f040008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f7ff77ee3e2 in QEventLoop::exec (this=this@entry=0x7f7f11f84de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f7ff75adb44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f7ff933bf65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f7ff75b2b0e in QThreadPrivate::start (arg=0x237b990) at thread/qthread_unix.cpp:337
#9  0x00007f7ff67b86aa in start_thread (arg=0x7f7f11f85700) at pthread_create.c:333
#10 0x00007f7ff6f3ceed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 19 (Thread 0x7f7efd473700 (LWP 2245)):
#0  0x00007f7ff36827a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f7ff363d3f0 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7ff363dde8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7ff363dfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f7ff7849c6c in QEventDispatcherGlib::processEvents (this=0x7f7ef80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f7ff77ee3e2 in QEventLoop::exec (this=this@entry=0x7f7efd472de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f7ff75adb44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f7ff933bf65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f7ff75b2b0e in QThreadPrivate::start (arg=0x2d4e680) at thread/qthread_unix.cpp:337
#9  0x00007f7ff67b86aa in start_thread (arg=0x7f7efd473700) at pthread_create.c:333
#10 0x00007f7ff6f3ceed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 18 (Thread 0x7f7ef7fff700 (LWP 2247)):
#0  0x00007f7ff36827a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f7ff363d8b9 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7ff363de60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7ff363dfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f7ff7849c6c in QEventDispatcherGlib::processEvents (this=0x7f7ef00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f7ff77ee3e2 in QEventLoop::exec (this=this@entry=0x7f7ef7ffede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f7ff75adb44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f7ff933bf65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f7ff75b2b0e in QThreadPrivate::start (arg=0x2e12490) at thread/qthread_unix.cpp:337
#9  0x00007f7ff67b86aa in start_thread (arg=0x7f7ef7fff700) at pthread_create.c:333
#10 0x00007f7ff6f3ceed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 17 (Thread 0x7f7ef6ffe700 (LWP 2249)):
#0  0x00007f7ff784947d in timerSourceCheck (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#1  0x00007f7ff363d8c1 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7ff363de60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7ff363dfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f7ff7849c6c in QEventDispatcherGlib::processEvents (this=0x7f7ee80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f7ff77ee3e2 in QEventLoop::exec (this=this@entry=0x7f7ef6ffdde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f7ff75adb44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f7ff933bf65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f7ff75b2b0e in QThreadPrivate::start (arg=0x2f24ed0) at thread/qthread_unix.cpp:337
#9  0x00007f7ff67b86aa in start_thread (arg=0x7f7ef6ffe700) at pthread_create.c:333
#10 0x00007f7ff6f3ceed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 16 (Thread 0x7f7ef5ffd700 (LWP 2250)):
#0  0x00007f7ff3682789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f7ff363d8cc in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7ff363de60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7ff363dfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f7ff7849c6c in QEventDispatcherGlib::processEvents (this=0x7f7eec0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f7ff77ee3e2 in QEventLoop::exec (this=this@entry=0x7f7ef5ffcde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f7ff75adb44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f7ff933bf65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f7ff75b2b0e in QThreadPrivate::start (arg=0x2fee070) at thread/qthread_unix.cpp:337
#9  0x00007f7ff67b86aa in start_thread (arg=0x7f7ef5ffd700) at pthread_create.c:333
#10 0x00007f7ff6f3ceed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 15 (Thread 0x7f7ef4ffc700 (LWP 2251)):
#0  0x00007f7ff7849462 in timerSourceCheck (source=0x7f7ee0002c70) at kernel/qeventdispatcher_glib.cpp:164
#1  0x00007f7ff363d8c1 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7ff363de60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7ff363dfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f7ff7849c6c in QEventDispatcherGlib::processEvents (this=0x7f7ee00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f7ff77ee3e2 in QEventLoop::exec (this=this@entry=0x7f7ef4ffbde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f7ff75adb44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f7ff933bf65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f7ff75b2b0e in QThreadPrivate::start (arg=0x30e0420) at thread/qthread_unix.cpp:337
#9  0x00007f7ff67b86aa in start_thread (arg=0x7f7ef4ffc700) at pthread_create.c:333
#10 0x00007f7ff6f3ceed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 14 (Thread 0x7f7ee77ff700 (LWP 2252)):
#0  0x00007f7ff6f2d49d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f7ff36812f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7ff363d96c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7ff363de60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f7ff363dfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f7ff7849c6c in QEventDispatcherGlib::processEvents (this=0x7f7edc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#6  0x00007f7ff77ee3e2 in QEventLoop::exec (this=this@entry=0x7f7ee77fede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007f7ff75adb44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007f7ff933bf65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f7ff75b2b0e in QThreadPrivate::start (arg=0x31cf5b0) at thread/qthread_unix.cpp:337
#10 0x00007f7ff67b86aa in start_thread (arg=0x7f7ee77ff700) at pthread_create.c:333
#11 0x00007f7ff6f3ceed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7f7ee67fe700 (LWP 2253)):
#0  QTimerInfoList::timerWait (this=0x7f7ed40013a0, tm=...) at kernel/qtimerinfo_unix.cpp:380
#1  0x00007f7ff784903e in timerSourcePrepareHelper (timeout=0x7f7ee67fdc14, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:127
#2  timerSourcePrepare (source=<optimized out>, timeout=0x7f7ee67fdc14) at kernel/qeventdispatcher_glib.cpp:160
#3  0x00007f7ff363d3fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f7ff363dde8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f7ff363dfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f7ff7849c6c in QEventDispatcherGlib::processEvents (this=0x7f7ed40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#7  0x00007f7ff77ee3e2 in QEventLoop::exec (this=this@entry=0x7f7ee67fdde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#8  0x00007f7ff75adb44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#9  0x00007f7ff933bf65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007f7ff75b2b0e in QThreadPrivate::start (arg=0x32b76c0) at thread/qthread_unix.cpp:337
#11 0x00007f7ff67b86aa in start_thread (arg=0x7f7ee67fe700) at pthread_create.c:333
#12 0x00007f7ff6f3ceed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7f7ee57fd700 (LWP 2254)):
#0  0x00007f7ff6f318dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f7ff363debc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7ff363dfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7ff7849c6c in QEventDispatcherGlib::processEvents (this=0x7f7ed80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f7ff77ee3e2 in QEventLoop::exec (this=this@entry=0x7f7ee57fcde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f7ff75adb44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f7ff933bf65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f7ff75b2b0e in QThreadPrivate::start (arg=0x33afe20) at thread/qthread_unix.cpp:337
#8  0x00007f7ff67b86aa in start_thread (arg=0x7f7ee57fd700) at pthread_create.c:333
#9  0x00007f7ff6f3ceed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7f7ed3fff700 (LWP 2257)):
#0  0x00007f7ff6f318dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f7ff363debc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7ff363dfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7ff7849c6c in QEventDispatcherGlib::processEvents (this=0x7f7ecc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f7ff77ee3e2 in QEventLoop::exec (this=this@entry=0x7f7ed3ffede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f7ff75adb44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f7ff933bf65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f7ff75b2b0e in QThreadPrivate::start (arg=0x34d17f0) at thread/qthread_unix.cpp:337
#8  0x00007f7ff67b86aa in start_thread (arg=0x7f7ed3fff700) at pthread_create.c:333
#9  0x00007f7ff6f3ceed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7f7ed2ffe700 (LWP 2258)):
#0  QTimerInfoList::timerWait (this=0x7f7ec40030d0, tm=...) at kernel/qtimerinfo_unix.cpp:392
#1  0x00007f7ff784903e in timerSourcePrepareHelper (timeout=0x7f7ed2ffdc14, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:127
#2  timerSourcePrepare (source=<optimized out>, timeout=0x7f7ed2ffdc14) at kernel/qeventdispatcher_glib.cpp:160
#3  0x00007f7ff363d3fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f7ff363dde8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f7ff363dfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f7ff7849c6c in QEventDispatcherGlib::processEvents (this=0x7f7ec40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#7  0x00007f7ff77ee3e2 in QEventLoop::exec (this=this@entry=0x7f7ed2ffdde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#8  0x00007f7ff75adb44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#9  0x00007f7ff933bf65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007f7ff75b2b0e in QThreadPrivate::start (arg=0x3591150) at thread/qthread_unix.cpp:337
#11 0x00007f7ff67b86aa in start_thread (arg=0x7f7ed2ffe700) at pthread_create.c:333
#12 0x00007f7ff6f3ceed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7f7ed1ffd700 (LWP 2264)):
#0  0x00007f7ff3682789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f7ff363d8cc in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7ff363de60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7ff363dfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f7ff7849c6c in QEventDispatcherGlib::processEvents (this=0x7f7ec80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f7ff77ee3e2 in QEventLoop::exec (this=this@entry=0x7f7ed1ffcde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f7ff75adb44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f7ff933bf65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f7ff75b2b0e in QThreadPrivate::start (arg=0x3677520) at thread/qthread_unix.cpp:337
#9  0x00007f7ff67b86aa in start_thread (arg=0x7f7ed1ffd700) at pthread_create.c:333
#10 0x00007f7ff6f3ceed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7f7ed0ffc700 (LWP 2265)):
#0  __libc_enable_asynccancel () at ../sysdeps/unix/sysv/linux/x86_64/cancellation.S:65
#1  0x00007f7ff6f2d492 in read () at ../sysdeps/unix/syscall-template.S:81
#2  0x00007f7ff36812f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7ff363d96c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f7ff363de60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f7ff363dfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f7ff7849c6c in QEventDispatcherGlib::processEvents (this=0x7f7ebc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#7  0x00007f7ff77ee3e2 in QEventLoop::exec (this=this@entry=0x7f7ed0ffbde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#8  0x00007f7ff75adb44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#9  0x00007f7ff933bf65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007f7ff75b2b0e in QThreadPrivate::start (arg=0x3773220) at thread/qthread_unix.cpp:337
#11 0x00007f7ff67b86aa in start_thread (arg=0x7f7ed0ffc700) at pthread_create.c:333
#12 0x00007f7ff6f3ceed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f7ec37ff700 (LWP 2268)):
#0  0x00007f7ffc125618 in _dl_update_slotinfo (req_modid=1) at dl-tls.c:622
#1  0x00007f7ffc12587c in update_get_addr (ti=0x7f7ff7a4c680) at dl-tls.c:801
#2  0x00007f7ff75b1a12 in get_thread_data () at thread/qthread_unix.cpp:181
#3  QThreadData::current (createIfNecessary=createIfNecessary@entry=true) at thread/qthread_unix.cpp:212
#4  0x00007f7ff78491ba in postEventSourcePrepare (s=0x7f7eb80012d0, timeout=0x7f7ec37fec14) at kernel/qeventdispatcher_glib.cpp:247
#5  0x00007f7ff363d3fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f7ff363dde8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f7ff363dfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f7ff7849c6c in QEventDispatcherGlib::processEvents (this=0x7f7eb80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#9  0x00007f7ff77ee3e2 in QEventLoop::exec (this=this@entry=0x7f7ec37fede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#10 0x00007f7ff75adb44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#11 0x00007f7ff933bf65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#12 0x00007f7ff75b2b0e in QThreadPrivate::start (arg=0x387a540) at thread/qthread_unix.cpp:337
#13 0x00007f7ff67b86aa in start_thread (arg=0x7f7ec37ff700) at pthread_create.c:333
#14 0x00007f7ff6f3ceed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f7ec27fe700 (LWP 2269)):
#0  0x00007f7ff75aa9ca in testAndSetRelaxed<QMutexData*> (currentValue=<synthetic pointer>, newValue=0x1, expectedValue=0x0, _q_value=@0x39554a8: 0x1) at ../../include/QtCore/../../src/corelib/arch/qatomic_x86.h:259
#1  testAndSetAcquire<QMutexData*, QMutexData*> (currentValue=<synthetic pointer>, newValue=0x1, expectedValue=0x0, _q_value=@0x39554a8: 0x1) at ../../include/QtCore/../../src/corelib/thread/qgenericatomic.h:166
#2  testAndSetAcquire (currentValue=<synthetic pointer>, newValue=0x1, expectedValue=0x0, this=0x39554a8, this@entry=0x1) at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:270
#3  fastTryLock (current=<synthetic pointer>, this=0x39554a8, this@entry=0x1) at thread/qmutex.h:82
#4  QMutex::lock (this=this@entry=0x39554a8) at thread/qmutex.cpp:212
#5  0x00007f7ff78491db in QMutexLocker (m=0x39554a8, this=<synthetic pointer>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:128
#6  canWaitLocked (this=0x3955480) at ../../include/QtCore/5.4.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:243
#7  postEventSourcePrepare (s=0x3959720, timeout=0x7f7ec27fdc14) at kernel/qeventdispatcher_glib.cpp:254
#8  0x00007f7ff363d3fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f7ff363dde8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f7ff363dfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f7ff7849c6c in QEventDispatcherGlib::processEvents (this=0x3960a90, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#12 0x00007f7ff77ee3e2 in QEventLoop::exec (this=this@entry=0x7f7ec27fdde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#13 0x00007f7ff75adb44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#14 0x00007f7ff933bf65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#15 0x00007f7ff75b2b0e in QThreadPrivate::start (arg=0x3960b80) at thread/qthread_unix.cpp:337
#16 0x00007f7ff67b86aa in start_thread (arg=0x7f7ec27fe700) at pthread_create.c:333
#17 0x00007f7ff6f3ceed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f7eb6596700 (LWP 2324)):
#0  0x00007f7ff363d390 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f7ff363dde8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7ff363dfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7ff7849c6c in QEventDispatcherGlib::processEvents (this=0x7f7eb8003120, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f7ff77ee3e2 in QEventLoop::exec (this=this@entry=0x7f7eb6595dc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f7ff75adb44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f7ec09b5cf7 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#7  0x00007f7ff75b2b0e in QThreadPrivate::start (arg=0x28a5bb0) at thread/qthread_unix.cpp:337
#8  0x00007f7ff67b86aa in start_thread (arg=0x7f7eb6596700) at pthread_create.c:333
#9  0x00007f7ff6f3ceed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f7eb4109700 (LWP 2347)):
#0  0x00007f7ff363af17 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f7ff363d7ef in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7ff363de60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7ff363dfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f7ff7849c6c in QEventDispatcherGlib::processEvents (this=0x7f7ebc0084c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f7ff77ee3e2 in QEventLoop::exec (this=this@entry=0x7f7eb4108de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f7ff75adb44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f7ff933bf65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f7ff75b2b0e in QThreadPrivate::start (arg=0x4707d20) at thread/qthread_unix.cpp:337
#9  0x00007f7ff67b86aa in start_thread (arg=0x7f7eb4109700) at pthread_create.c:333
#10 0x00007f7ff6f3ceed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f7eb3018700 (LWP 2348)):
#0  0x00007f7ff6f318f6 in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f7ff363debc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7ff363dfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7ff7849c6c in QEventDispatcherGlib::processEvents (this=0x7f7ec8002f20, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f7ff77ee3e2 in QEventLoop::exec (this=this@entry=0x7f7eb3017de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f7ff75adb44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f7ff933bf65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f7ff75b2b0e in QThreadPrivate::start (arg=0x4801380) at thread/qthread_unix.cpp:337
#8  0x00007f7ff67b86aa in start_thread (arg=0x7f7eb3018700) at pthread_create.c:333
#9  0x00007f7ff6f3ceed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f7eadb23700 (LWP 3022)):
#0  0x00007f7ff36827a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f7ff363d8b9 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7ff363de60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7ff363dfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f7ff7849c6c in QEventDispatcherGlib::processEvents (this=0x7f7ec40086c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f7ff77ee3e2 in QEventLoop::exec (this=this@entry=0x7f7eadb22de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f7ff75adb44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f7ff933bf65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f7ff75b2b0e in QThreadPrivate::start (arg=0x55b7300) at thread/qthread_unix.cpp:337
#9  0x00007f7ff67b86aa in start_thread (arg=0x7f7eadb23700) at pthread_create.c:333
#10 0x00007f7ff6f3ceed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f7ffc17c7c0 (LWP 1958)):
[KCrash Handler]
#6  0x00007f7ffbe70625 in QSGOpaqueTextureMaterial::setTexture(QSGTexture*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f7ffbe6fd3c in QSGSimpleTextureNode::setTexture(QSGTexture*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007f7fe43c4c9a in Plasma::FrameSvgItem::updatePaintNode (this=0x2471f50, oldNode=0x4a94b80) at ../../../../src/declarativeimports/core/framesvgitem.cpp:495
#9  0x00007f7ffbec34bf in QQuickWindowPrivate::updateDirtyNode(QQuickItem*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#10 0x00007f7ffbec44cb in QQuickWindowPrivate::updateDirtyNodes() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007f7ffbec4d80 in QQuickWindowPrivate::syncSceneGraph() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#12 0x00007f7ffbe93f05 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#13 0x00007f7ffbe94979 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#14 0x00007f7ff80fab2c in QApplicationPrivate::notify_helper (this=0x123c420, receiver=0x1460a30, e=0x7fff310e6680) at kernel/qapplication.cpp:3720
#15 0x00007f7ff8100000 in QApplication::notify (this=0x7fff310e6a50, receiver=0x1460a30, e=0x7fff310e6680) at kernel/qapplication.cpp:3503
#16 0x00007f7ff77f0c2b in QCoreApplication::notifyInternal (this=0x7fff310e6a50, receiver=0x1460a30, event=event@entry=0x7fff310e6680) at kernel/qcoreapplication.cpp:935
#17 0x00007f7ff7848ae5 in sendEvent (event=0x7fff310e6680, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:228
#18 QTimerInfoList::activateTimers (this=0x1279980) at kernel/qtimerinfo_unix.cpp:635
#19 0x00007f7ff7848f61 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:177
#20 0x00007f7ff363dc3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f7ff363df20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f7ff363dfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f7ff7849c57 in QEventDispatcherGlib::processEvents (this=0x128a3c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#24 0x00007f7ff77ee3e2 in QEventLoop::exec (this=this@entry=0x7fff310e68d0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#25 0x00007f7ff77f602c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#26 0x00007f7ff7b3531c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1510
#27 0x00007f7ff80f67a5 in QApplication::exec () at kernel/qapplication.cpp:2956
#28 0x000000000042fd9b in main (argc=2, argv=<optimized out>) at ../../shell/main.cpp:158

Possible duplicates by query: bug 347116, bug 346478.

Reported using DrKonqi
Comment 1 David Edmundson 2015-06-18 15:02:31 UTC 
Thanks

This should have been fixed for a long while, please upgrade.
(I think in Kubuntu you need some backports PPA)

*** This bug has been marked as a duplicate of bug 345660 ***
Comment 2 David Edmundson 2015-10-13 22:22:38 UTC 
*** Bug 353867 has been marked as a duplicate of this bug. ***