Bug 345053 - Crash in ~RegExpCache
Summary: Crash in ~RegExpCache
Status: RESOLVED FIXED
Alias: None
Product: plasmashell
Classification: Plasma
Component: general (show other bugs)
Version: 5.2.0
Platform: unspecified Linux
: NOR crash
Target Milestone: 1.0
Assignee: David Edmundson
URL:
Keywords: drkonqi
: 346612 347688 (view as bug list)
Depends on:
Blocks:
 
Reported: 2015-03-11 14:34 UTC by Jon Nelson
Modified: 2015-10-14 13:47 UTC (History)
7 users (show)

See Also:
Latest Commit:
Version Fixed In:
Sentry Crash Report:


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Description Jon Nelson 2015-03-11 14:34:00 UTC
Application: plasmashell ()

Qt Version: 5.4.0
Operating System: Linux 3.19.0-2-desktop x86_64
Distribution: "openSUSE 20150227 (Tumbleweed) (x86_64)"

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

I wasn't doing ... anything! Quite literally, I started up plasma5 and - a little while after startup, it just gacked.

-- Backtrace:
Application: plasmashell (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fb0c0e3d7c0 (LWP 20509))]

Thread 30 (Thread 0x7fb0ab2d8700 (LWP 20510)):
#0  0x00007fb0bab9e4cd in poll () from /lib64/libc.so.6
#1  0x00007fb0bf769322 in ?? () from /usr/lib64/libxcb.so.1
#2  0x00007fb0bf76adef in xcb_wait_for_event () from /usr/lib64/libxcb.so.1
#3  0x00007fb0ad656cd9 in ?? () from /usr/lib64/qt5/plugins/platforms/libqxcb.so
#4  0x00007fb0bb20e91f in QThreadPrivate::start (arg=0xeaee50) at thread/qthread_unix.cpp:337
#5  0x00007fb0ba1a04b4 in start_thread () from /lib64/libpthread.so.0
#6  0x00007fb0baba6a4d in clone () from /lib64/libc.so.6

Thread 29 (Thread 0x7fb0a412b700 (LWP 20518)):
#0  0x00007fb0bab9a59d in read () from /lib64/libc.so.6
#1  0x00007fb0b70cb750 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fb0b708a714 in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fb0b708ab7b in ?? () from /usr/lib64/libglib-2.0.so.0
#4  0x00007fb0b708acec in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#5  0x00007fb0bb44011b in QEventDispatcherGlib::processEvents (this=0xfaaea0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0x00007fb0bb3e6d1b in QEventLoop::exec (this=this@entry=0x7fb0a412adf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007fb0bb209cea in QThread::exec (this=this@entry=0xfac250) at thread/qthread.cpp:503
#8  0x00007fb0be462cc8 in QQmlThreadPrivate::run (this=0xfac250) at /usr/src/debug/qtdeclarative-opensource-src-5.4.0/src/qml/qml/ftw/qqmlthread.cpp:141
#9  0x00007fb0bb20e91f in QThreadPrivate::start (arg=0xfac250) at thread/qthread_unix.cpp:337
#10 0x00007fb0ba1a04b4 in start_thread () from /lib64/libpthread.so.0
#11 0x00007fb0baba6a4d in clone () from /lib64/libc.so.6

Thread 28 (Thread 0x7fb09f3b8700 (LWP 20563)):
#0  0x00007fb0bab9a59d in read () from /lib64/libc.so.6
#1  0x00007fb0b70cb750 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fb0b708a714 in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fb0b708ab7b in ?? () from /usr/lib64/libglib-2.0.so.0
#4  0x00007fb0b708acec in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#5  0x00007fb0bb44011b in QEventDispatcherGlib::processEvents (this=0x14354e0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0x00007fb0bb3e6d1b in QEventLoop::exec (this=this@entry=0x7fb09f3b7df0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007fb0bb209cea in QThread::exec (this=this@entry=0x11a2b20) at thread/qthread.cpp:503
#8  0x00007fb0be462cc8 in QQmlThreadPrivate::run (this=0x11a2b20) at /usr/src/debug/qtdeclarative-opensource-src-5.4.0/src/qml/qml/ftw/qqmlthread.cpp:141
#9  0x00007fb0bb20e91f in QThreadPrivate::start (arg=0x11a2b20) at thread/qthread_unix.cpp:337
#10 0x00007fb0ba1a04b4 in start_thread () from /lib64/libpthread.so.0
#11 0x00007fb0baba6a4d in clone () from /lib64/libc.so.6

Thread 27 (Thread 0x7fb09da96700 (LWP 20575)):
#0  0x00007fb0b70cc8e9 in g_mutex_lock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007fb0b708a157 in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fb0b708ab03 in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fb0b708acec in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007fb0bb44011b in QEventDispatcherGlib::processEvents (this=0x11bd4a0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007fb0bb3e6d1b in QEventLoop::exec (this=this@entry=0x7fb09da95df0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fb0bb209cea in QThread::exec (this=this@entry=0x14659f0) at thread/qthread.cpp:503
#7  0x00007fb0be462cc8 in QQmlThreadPrivate::run (this=0x14659f0) at /usr/src/debug/qtdeclarative-opensource-src-5.4.0/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x00007fb0bb20e91f in QThreadPrivate::start (arg=0x14659f0) at thread/qthread_unix.cpp:337
#9  0x00007fb0ba1a04b4 in start_thread () from /lib64/libpthread.so.0
#10 0x00007fb0baba6a4d in clone () from /lib64/libc.so.6

Thread 26 (Thread 0x7fb09c9a5700 (LWP 20578)):
#0  0x00007fb0b708a640 in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#1  0x00007fb0b708ab7b in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fb0b708acec in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fb0bb44011b in QEventDispatcherGlib::processEvents (this=0x15d8cf0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007fb0bb3e6d1b in QEventLoop::exec (this=this@entry=0x7fb09c9a4df0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fb0bb209cea in QThread::exec (this=this@entry=0x1607450) at thread/qthread.cpp:503
#6  0x00007fb0be462cc8 in QQmlThreadPrivate::run (this=0x1607450) at /usr/src/debug/qtdeclarative-opensource-src-5.4.0/src/qml/qml/ftw/qqmlthread.cpp:141
#7  0x00007fb0bb20e91f in QThreadPrivate::start (arg=0x1607450) at thread/qthread_unix.cpp:337
#8  0x00007fb0ba1a04b4 in start_thread () from /lib64/libpthread.so.0
#9  0x00007fb0baba6a4d in clone () from /lib64/libc.so.6

Thread 25 (Thread 0x7fb09b8b4700 (LWP 20579)):
#0  0x00007fb0bab9e4cd in poll () from /lib64/libc.so.6
#1  0x00007fb0b708abe4 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fb0b708acec in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fb0bb44011b in QEventDispatcherGlib::processEvents (this=0x16db990, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007fb0bb3e6d1b in QEventLoop::exec (this=this@entry=0x7fb09b8b3df0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fb0bb209cea in QThread::exec (this=this@entry=0x16da5f0) at thread/qthread.cpp:503
#6  0x00007fb0be462cc8 in QQmlThreadPrivate::run (this=0x16da5f0) at /usr/src/debug/qtdeclarative-opensource-src-5.4.0/src/qml/qml/ftw/qqmlthread.cpp:141
#7  0x00007fb0bb20e91f in QThreadPrivate::start (arg=0x16da5f0) at thread/qthread_unix.cpp:337
#8  0x00007fb0ba1a04b4 in start_thread () from /lib64/libpthread.so.0
#9  0x00007fb0baba6a4d in clone () from /lib64/libc.so.6

Thread 24 (Thread 0x7fb09a7c3700 (LWP 20580)):
#0  0x00007fb0bab9a59d in read () from /lib64/libc.so.6
#1  0x00007fb0b70cb750 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fb0b708a714 in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fb0b708ab7b in ?? () from /usr/lib64/libglib-2.0.so.0
#4  0x00007fb0b708acec in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#5  0x00007fb0bb44011b in QEventDispatcherGlib::processEvents (this=0x17dfcc0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0x00007fb0bb3e6d1b in QEventLoop::exec (this=this@entry=0x7fb09a7c2df0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007fb0bb209cea in QThread::exec (this=this@entry=0x17e5de0) at thread/qthread.cpp:503
#8  0x00007fb0be462cc8 in QQmlThreadPrivate::run (this=0x17e5de0) at /usr/src/debug/qtdeclarative-opensource-src-5.4.0/src/qml/qml/ftw/qqmlthread.cpp:141
#9  0x00007fb0bb20e91f in QThreadPrivate::start (arg=0x17e5de0) at thread/qthread_unix.cpp:337
#10 0x00007fb0ba1a04b4 in start_thread () from /lib64/libpthread.so.0
#11 0x00007fb0baba6a4d in clone () from /lib64/libc.so.6

Thread 23 (Thread 0x7fb0996d2700 (LWP 20581)):
#0  0x00007fb0b7087f99 in ?? () from /usr/lib64/libglib-2.0.so.0
#1  0x00007fb0b708a22b in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fb0b708ab03 in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fb0b708acec in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007fb0bb44011b in QEventDispatcherGlib::processEvents (this=0x18e45e0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007fb0bb3e6d1b in QEventLoop::exec (this=this@entry=0x7fb0996d1df0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fb0bb209cea in QThread::exec (this=this@entry=0x1909650) at thread/qthread.cpp:503
#7  0x00007fb0be462cc8 in QQmlThreadPrivate::run (this=0x1909650) at /usr/src/debug/qtdeclarative-opensource-src-5.4.0/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x00007fb0bb20e91f in QThreadPrivate::start (arg=0x1909650) at thread/qthread_unix.cpp:337
#9  0x00007fb0ba1a04b4 in start_thread () from /lib64/libpthread.so.0
#10 0x00007fb0baba6a4d in clone () from /lib64/libc.so.6

Thread 22 (Thread 0x7fb0985e1700 (LWP 20582)):
#0  0x00007fb0bb440b0c in isEmpty (this=0x19e8f60) at ../../src/corelib/tools/qlist.h:93
#1  isEmpty (this=0x19e8f60) at ../../src/corelib/tools/qlist.h:158
#2  timerSourceCheckHelper (src=0x19e8f00) at kernel/qeventdispatcher_glib.cpp:137
#3  timerSourceCheck (source=0x19e8f00) at kernel/qeventdispatcher_glib.cpp:168
#4  0x00007fb0b708a661 in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#5  0x00007fb0b708ab7b in ?? () from /usr/lib64/libglib-2.0.so.0
#6  0x00007fb0b708acec in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#7  0x00007fb0bb44011b in QEventDispatcherGlib::processEvents (this=0x19e0c60, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#8  0x00007fb0bb3e6d1b in QEventLoop::exec (this=this@entry=0x7fb0985e0df0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#9  0x00007fb0bb209cea in QThread::exec (this=this@entry=0x19ef010) at thread/qthread.cpp:503
#10 0x00007fb0be462cc8 in QQmlThreadPrivate::run (this=0x19ef010) at /usr/src/debug/qtdeclarative-opensource-src-5.4.0/src/qml/qml/ftw/qqmlthread.cpp:141
#11 0x00007fb0bb20e91f in QThreadPrivate::start (arg=0x19ef010) at thread/qthread_unix.cpp:337
#12 0x00007fb0ba1a04b4 in start_thread () from /lib64/libpthread.so.0
#13 0x00007fb0baba6a4d in clone () from /lib64/libc.so.6

Thread 21 (Thread 0x7fb096e88700 (LWP 20583)):
#0  0x00007fb0b70cc8e9 in g_mutex_lock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007fb0b708a47b in g_main_context_query () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fb0b708ab52 in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fb0b708acec in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007fb0bb44011b in QEventDispatcherGlib::processEvents (this=0x1affdf0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007fb0bb3e6d1b in QEventLoop::exec (this=this@entry=0x7fb096e87df0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fb0bb209cea in QThread::exec (this=this@entry=0x1ade880) at thread/qthread.cpp:503
#7  0x00007fb0be462cc8 in QQmlThreadPrivate::run (this=0x1ade880) at /usr/src/debug/qtdeclarative-opensource-src-5.4.0/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x00007fb0bb20e91f in QThreadPrivate::start (arg=0x1ade880) at thread/qthread_unix.cpp:337
#9  0x00007fb0ba1a04b4 in start_thread () from /lib64/libpthread.so.0
#10 0x00007fb0baba6a4d in clone () from /lib64/libc.so.6

Thread 20 (Thread 0x7fb095baf700 (LWP 20584)):
#0  0x00007fb0bab9e4cd in poll () from /lib64/libc.so.6
#1  0x00007fb0b708abe4 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fb0b708acec in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fb0bb44011b in QEventDispatcherGlib::processEvents (this=0x1bf6980, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007fb0bb3e6d1b in QEventLoop::exec (this=this@entry=0x7fb095baedf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fb0bb209cea in QThread::exec (this=this@entry=0x1c02d20) at thread/qthread.cpp:503
#6  0x00007fb0be462cc8 in QQmlThreadPrivate::run (this=0x1c02d20) at /usr/src/debug/qtdeclarative-opensource-src-5.4.0/src/qml/qml/ftw/qqmlthread.cpp:141
#7  0x00007fb0bb20e91f in QThreadPrivate::start (arg=0x1c02d20) at thread/qthread_unix.cpp:337
#8  0x00007fb0ba1a04b4 in start_thread () from /lib64/libpthread.so.0
#9  0x00007fb0baba6a4d in clone () from /lib64/libc.so.6

Thread 19 (Thread 0x7fb094ab6700 (LWP 20585)):
#0  0x00007fb0ba1a494f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fb0c056347b in ?? () from /usr/lib64/libQt5Script.so.5
#2  0x00007fb0c05634a9 in ?? () from /usr/lib64/libQt5Script.so.5
#3  0x00007fb0ba1a04b4 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fb0baba6a4d in clone () from /lib64/libc.so.6

Thread 18 (Thread 0x7fb01419d700 (LWP 20586)):
#0  0x00007fb0bb2073bf in testAndSetRelaxed<QMutexData*> (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=0x1, _q_value=@0x1cfdf58: 0x0) at ../../src/corelib/arch/qatomic_x86.h:259
#1  testAndSetRelease<QMutexData*, QMutexData*> (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=0x1, _q_value=@0x1cfdf58: 0x0) at ../../src/corelib/thread/qgenericatomic.h:175
#2  testAndSetRelease (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=0x1, this=this@entry=0x1cfdf58) at ../../src/corelib/thread/qbasicatomic.h:272
#3  fastTryUnlock (current=<synthetic pointer>, this=this@entry=0x1cfdf58) at thread/qmutex.h:85
#4  QMutex::unlock (this=this@entry=0x1cfdf58) at thread/qmutex.cpp:264
#5  0x00007fb0bb440055 in unlock (this=<synthetic pointer>) at ../../src/corelib/thread/qmutex.h:138
#6  ~QMutexLocker (this=<synthetic pointer>, __in_chrg=<optimized out>) at ../../src/corelib/thread/qmutex.h:132
#7  canWaitLocked (this=0x1cfdf30) at ../../src/corelib/thread/qthread_p.h:244
#8  postEventSourcePrepare (s=0x1d044e0, timeout=0x7fb01419cc34) at kernel/qeventdispatcher_glib.cpp:254
#9  0x00007fb0b708a28d in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#10 0x00007fb0b708ab03 in ?? () from /usr/lib64/libglib-2.0.so.0
#11 0x00007fb0b708acec in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#12 0x00007fb0bb44011b in QEventDispatcherGlib::processEvents (this=0x1d15020, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#13 0x00007fb0bb3e6d1b in QEventLoop::exec (this=this@entry=0x7fb01419cdf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#14 0x00007fb0bb209cea in QThread::exec (this=this@entry=0x1cfae00) at thread/qthread.cpp:503
#15 0x00007fb0be462cc8 in QQmlThreadPrivate::run (this=0x1cfae00) at /usr/src/debug/qtdeclarative-opensource-src-5.4.0/src/qml/qml/ftw/qqmlthread.cpp:141
#16 0x00007fb0bb20e91f in QThreadPrivate::start (arg=0x1cfae00) at thread/qthread_unix.cpp:337
#17 0x00007fb0ba1a04b4 in start_thread () from /lib64/libpthread.so.0
#18 0x00007fb0baba6a4d in clone () from /lib64/libc.so.6

Thread 17 (Thread 0x7fb011839700 (LWP 20597)):
#0  0x00007fb0bab9e4d1 in poll () from /lib64/libc.so.6
#1  0x00007fb0b708abe4 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fb0b708acec in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fb0bb44011b in QEventDispatcherGlib::processEvents (this=0x2358990, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007fb0bb3e6d1b in QEventLoop::exec (this=this@entry=0x7fb011838df0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fb0bb209cea in QThread::exec (this=this@entry=0x2358900) at thread/qthread.cpp:503
#6  0x00007fb0be462cc8 in QQmlThreadPrivate::run (this=0x2358900) at /usr/src/debug/qtdeclarative-opensource-src-5.4.0/src/qml/qml/ftw/qqmlthread.cpp:141
#7  0x00007fb0bb20e91f in QThreadPrivate::start (arg=0x2358900) at thread/qthread_unix.cpp:337
#8  0x00007fb0ba1a04b4 in start_thread () from /lib64/libpthread.so.0
#9  0x00007fb0baba6a4d in clone () from /lib64/libc.so.6

Thread 16 (Thread 0x7fb00fe64700 (LWP 20599)):
#0  0x00007fb0b70cc8e9 in g_mutex_lock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007fb0b708a299 in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fb0b708ab03 in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fb0b708acec in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007fb0bb44011b in QEventDispatcherGlib::processEvents (this=0x1d151d0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007fb0bb3e6d1b in QEventLoop::exec (this=this@entry=0x7fb00fe63db0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fb0bb209cea in QThread::exec (this=this@entry=0x24ed650) at thread/qthread.cpp:503
#7  0x00007fb0be8b6e12 in QQuickPixmapReader::run (this=0x24ed650) at /usr/src/debug/qtdeclarative-opensource-src-5.4.0/src/quick/util/qquickpixmapcache.cpp:712
#8  0x00007fb0bb20e91f in QThreadPrivate::start (arg=0x24ed650) at thread/qthread_unix.cpp:337
#9  0x00007fb0ba1a04b4 in start_thread () from /lib64/libpthread.so.0
#10 0x00007fb0baba6a4d in clone () from /lib64/libc.so.6

Thread 15 (Thread 0x7fb00d99e700 (LWP 20600)):
#0  0x00007fb0bab9e4cd in poll () from /lib64/libc.so.6
#1  0x00007fb0b708abe4 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fb0b708acec in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fb0bb44011b in QEventDispatcherGlib::processEvents (this=0x2b4e9e0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007fb0bb3e6d1b in QEventLoop::exec (this=this@entry=0x7fb00d99ddf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fb0bb209cea in QThread::exec (this=this@entry=0x274f460) at thread/qthread.cpp:503
#6  0x00007fb0be462cc8 in QQmlThreadPrivate::run (this=0x274f460) at /usr/src/debug/qtdeclarative-opensource-src-5.4.0/src/qml/qml/ftw/qqmlthread.cpp:141
#7  0x00007fb0bb20e91f in QThreadPrivate::start (arg=0x274f460) at thread/qthread_unix.cpp:337
#8  0x00007fb0ba1a04b4 in start_thread () from /lib64/libpthread.so.0
#9  0x00007fb0baba6a4d in clone () from /lib64/libc.so.6

Thread 14 (Thread 0x7fb00ab9f700 (LWP 20612)):
#0  0x00007fb0bab9a59d in read () from /lib64/libc.so.6
#1  0x00007fb0b70cb750 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fb0b708a714 in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fb0b708ab7b in ?? () from /usr/lib64/libglib-2.0.so.0
#4  0x00007fb0b708acec in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#5  0x00007fb0bb44011b in QEventDispatcherGlib::processEvents (this=0x24ddb40, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0x00007fb0bb3e6d1b in QEventLoop::exec (this=this@entry=0x7fb00ab9edf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007fb0bb209cea in QThread::exec (this=this@entry=0x350df70) at thread/qthread.cpp:503
#8  0x00007fb0be462cc8 in QQmlThreadPrivate::run (this=0x350df70) at /usr/src/debug/qtdeclarative-opensource-src-5.4.0/src/qml/qml/ftw/qqmlthread.cpp:141
#9  0x00007fb0bb20e91f in QThreadPrivate::start (arg=0x350df70) at thread/qthread_unix.cpp:337
#10 0x00007fb0ba1a04b4 in start_thread () from /lib64/libpthread.so.0
#11 0x00007fb0baba6a4d in clone () from /lib64/libc.so.6

Thread 13 (Thread 0x7fb009aac700 (LWP 20613)):
#0  0x00007fb0b70cc8e9 in g_mutex_lock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007fb0b708a299 in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fb0b708ab03 in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fb0b708acec in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007fb0bb44011b in QEventDispatcherGlib::processEvents (this=0x36a8cf0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007fb0bb3e6d1b in QEventLoop::exec (this=this@entry=0x7fb009aabdf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fb0bb209cea in QThread::exec (this=this@entry=0x36a95b0) at thread/qthread.cpp:503
#7  0x00007fb0be462cc8 in QQmlThreadPrivate::run (this=0x36a95b0) at /usr/src/debug/qtdeclarative-opensource-src-5.4.0/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x00007fb0bb20e91f in QThreadPrivate::start (arg=0x36a95b0) at thread/qthread_unix.cpp:337
#9  0x00007fb0ba1a04b4 in start_thread () from /lib64/libpthread.so.0
#10 0x00007fb0baba6a4d in clone () from /lib64/libc.so.6

Thread 12 (Thread 0x7fb0089b9700 (LWP 20614)):
#0  0x00007fb0b70cc904 in g_mutex_unlock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007fb0b708a659 in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fb0b708ab7b in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fb0b708acec in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007fb0bb44011b in QEventDispatcherGlib::processEvents (this=0x37a9e70, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007fb0bb3e6d1b in QEventLoop::exec (this=this@entry=0x7fb0089b8df0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fb0bb209cea in QThread::exec (this=this@entry=0x37b8680) at thread/qthread.cpp:503
#7  0x00007fb0be462cc8 in QQmlThreadPrivate::run (this=0x37b8680) at /usr/src/debug/qtdeclarative-opensource-src-5.4.0/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x00007fb0bb20e91f in QThreadPrivate::start (arg=0x37b8680) at thread/qthread_unix.cpp:337
#9  0x00007fb0ba1a04b4 in start_thread () from /lib64/libpthread.so.0
#10 0x00007fb0baba6a4d in clone () from /lib64/libc.so.6

Thread 11 (Thread 0x7fb0078c6700 (LWP 20615)):
#0  0x00007fb0b708809b in ?? () from /usr/lib64/libglib-2.0.so.0
#1  0x00007fb0b708a310 in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fb0b708ab03 in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fb0b708acec in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007fb0bb44011b in QEventDispatcherGlib::processEvents (this=0x38a8970, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007fb0bb3e6d1b in QEventLoop::exec (this=this@entry=0x7fb0078c5df0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fb0bb209cea in QThread::exec (this=this@entry=0x38b0a60) at thread/qthread.cpp:503
#7  0x00007fb0be462cc8 in QQmlThreadPrivate::run (this=0x38b0a60) at /usr/src/debug/qtdeclarative-opensource-src-5.4.0/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x00007fb0bb20e91f in QThreadPrivate::start (arg=0x38b0a60) at thread/qthread_unix.cpp:337
#9  0x00007fb0ba1a04b4 in start_thread () from /lib64/libpthread.so.0
#10 0x00007fb0baba6a4d in clone () from /lib64/libc.so.6

Thread 10 (Thread 0x7fb0067d3700 (LWP 20616)):
#0  0x00007fb0b708ab6a in ?? () from /usr/lib64/libglib-2.0.so.0
#1  0x00007fb0b708acec in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fb0bb44011b in QEventDispatcherGlib::processEvents (this=0x39d3040, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#3  0x00007fb0bb3e6d1b in QEventLoop::exec (this=this@entry=0x7fb0067d2df0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#4  0x00007fb0bb209cea in QThread::exec (this=this@entry=0x39cd890) at thread/qthread.cpp:503
#5  0x00007fb0be462cc8 in QQmlThreadPrivate::run (this=0x39cd890) at /usr/src/debug/qtdeclarative-opensource-src-5.4.0/src/qml/qml/ftw/qqmlthread.cpp:141
#6  0x00007fb0bb20e91f in QThreadPrivate::start (arg=0x39cd890) at thread/qthread_unix.cpp:337
#7  0x00007fb0ba1a04b4 in start_thread () from /lib64/libpthread.so.0
#8  0x00007fb0baba6a4d in clone () from /lib64/libc.so.6

Thread 9 (Thread 0x7fb0056e0700 (LWP 20617)):
#0  0x00007fb0b70cc8e9 in g_mutex_lock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007fb0b708a66c in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fb0b708ab7b in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fb0b708acec in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007fb0bb44011b in QEventDispatcherGlib::processEvents (this=0x3aafd20, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007fb0bb3e6d1b in QEventLoop::exec (this=this@entry=0x7fb0056dfdf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fb0bb209cea in QThread::exec (this=this@entry=0x3ab05e0) at thread/qthread.cpp:503
#7  0x00007fb0be462cc8 in QQmlThreadPrivate::run (this=0x3ab05e0) at /usr/src/debug/qtdeclarative-opensource-src-5.4.0/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x00007fb0bb20e91f in QThreadPrivate::start (arg=0x3ab05e0) at thread/qthread_unix.cpp:337
#9  0x00007fb0ba1a04b4 in start_thread () from /lib64/libpthread.so.0
#10 0x00007fb0baba6a4d in clone () from /lib64/libc.so.6

Thread 8 (Thread 0x7fb0045ed700 (LWP 20618)):
#0  0x00007fb0bab9e4cd in poll () from /lib64/libc.so.6
#1  0x00007fb0b708abe4 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fb0b708acec in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fb0bb44011b in QEventDispatcherGlib::processEvents (this=0x3bb47e0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007fb0bb3e6d1b in QEventLoop::exec (this=this@entry=0x7fb0045ecdf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fb0bb209cea in QThread::exec (this=this@entry=0x3ba26d0) at thread/qthread.cpp:503
#6  0x00007fb0be462cc8 in QQmlThreadPrivate::run (this=0x3ba26d0) at /usr/src/debug/qtdeclarative-opensource-src-5.4.0/src/qml/qml/ftw/qqmlthread.cpp:141
#7  0x00007fb0bb20e91f in QThreadPrivate::start (arg=0x3ba26d0) at thread/qthread_unix.cpp:337
#8  0x00007fb0ba1a04b4 in start_thread () from /lib64/libpthread.so.0
#9  0x00007fb0baba6a4d in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7fb0034fa700 (LWP 20619)):
#0  0x00007fb0b70cc8e9 in g_mutex_lock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007fb0b708ab99 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fb0b708acec in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fb0bb44011b in QEventDispatcherGlib::processEvents (this=0x3caac40, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007fb0bb3e6d1b in QEventLoop::exec (this=this@entry=0x7fb0034f9df0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fb0bb209cea in QThread::exec (this=this@entry=0x3cab500) at thread/qthread.cpp:503
#6  0x00007fb0be462cc8 in QQmlThreadPrivate::run (this=0x3cab500) at /usr/src/debug/qtdeclarative-opensource-src-5.4.0/src/qml/qml/ftw/qqmlthread.cpp:141
#7  0x00007fb0bb20e91f in QThreadPrivate::start (arg=0x3cab500) at thread/qthread_unix.cpp:337
#8  0x00007fb0ba1a04b4 in start_thread () from /lib64/libpthread.so.0
#9  0x00007fb0baba6a4d in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7fb00087a700 (LWP 20623)):
#0  0x00007fb0b70cc904 in g_mutex_unlock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007fb0b708a7da in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fb0b708ac48 in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fb0b708acec in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007fb0bb44011b in QEventDispatcherGlib::processEvents (this=0x47263a0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007fb0bb3e6d1b in QEventLoop::exec (this=this@entry=0x7fb000879df0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fb0bb209cea in QThread::exec (this=this@entry=0x4a76fa0) at thread/qthread.cpp:503
#7  0x00007fb0be462cc8 in QQmlThreadPrivate::run (this=0x4a76fa0) at /usr/src/debug/qtdeclarative-opensource-src-5.4.0/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x00007fb0bb20e91f in QThreadPrivate::start (arg=0x4a76fa0) at thread/qthread_unix.cpp:337
#9  0x00007fb0ba1a04b4 in start_thread () from /lib64/libpthread.so.0
#10 0x00007fb0baba6a4d in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7fafff7a8700 (LWP 20624)):
#0  0x00007fb0bab9a59d in read () from /lib64/libc.so.6
#1  0x00007fb0b70cb750 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fb0b708a714 in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fb0b708ab7b in ?? () from /usr/lib64/libglib-2.0.so.0
#4  0x00007fb0b708acec in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#5  0x00007fb0bb44011b in QEventDispatcherGlib::processEvents (this=0x4bbc970, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0x00007fb0bb3e6d1b in QEventLoop::exec (this=this@entry=0x7fafff7a7df0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007fb0bb209cea in QThread::exec (this=this@entry=0x4bbd230) at thread/qthread.cpp:503
#8  0x00007fb0be462cc8 in QQmlThreadPrivate::run (this=0x4bbd230) at /usr/src/debug/qtdeclarative-opensource-src-5.4.0/src/qml/qml/ftw/qqmlthread.cpp:141
#9  0x00007fb0bb20e91f in QThreadPrivate::start (arg=0x4bbd230) at thread/qthread_unix.cpp:337
#10 0x00007fb0ba1a04b4 in start_thread () from /lib64/libpthread.so.0
#11 0x00007fb0baba6a4d in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7faffd56b700 (LWP 20631)):
#0  0x00007fb0b70cc8e9 in g_mutex_lock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007fb0b708a157 in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fb0b708ab03 in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fb0b708acec in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007fb0bb44011b in QEventDispatcherGlib::processEvents (this=0x5290b00, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007fb0bb3e6d1b in QEventLoop::exec (this=this@entry=0x7faffd56adf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fb0bb209cea in QThread::exec (this=this@entry=0x52f3840) at thread/qthread.cpp:503
#7  0x00007fb0be462cc8 in QQmlThreadPrivate::run (this=0x52f3840) at /usr/src/debug/qtdeclarative-opensource-src-5.4.0/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x00007fb0bb20e91f in QThreadPrivate::start (arg=0x52f3840) at thread/qthread_unix.cpp:337
#9  0x00007fb0ba1a04b4 in start_thread () from /lib64/libpthread.so.0
#10 0x00007fb0baba6a4d in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7faffaca3700 (LWP 20807)):
#0  0x00007fb0b70cc8e9 in g_mutex_lock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007fb0b708a52e in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fb0b708ab7b in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fb0b708acec in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007fb0bb44011b in QEventDispatcherGlib::processEvents (this=0x541f2c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007fb0bb3e6d1b in QEventLoop::exec (this=this@entry=0x7faffaca2df0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fb0bb209cea in QThread::exec (this=this@entry=0x54571b0) at thread/qthread.cpp:503
#7  0x00007fb0be462cc8 in QQmlThreadPrivate::run (this=0x54571b0) at /usr/src/debug/qtdeclarative-opensource-src-5.4.0/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x00007fb0bb20e91f in QThreadPrivate::start (arg=0x54571b0) at thread/qthread_unix.cpp:337
#9  0x00007fb0ba1a04b4 in start_thread () from /lib64/libpthread.so.0
#10 0x00007fb0baba6a4d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7faff0fc8700 (LWP 20817)):
#0  0x00007fb0bab9e4cd in poll () from /lib64/libc.so.6
#1  0x00007fb0b0ebc711 in ?? () from /usr/lib64/libpulse.so.0
#2  0x00007fb0b0eadf1c in pa_mainloop_poll () from /usr/lib64/libpulse.so.0
#3  0x00007fb0b0eae58e in pa_mainloop_iterate () from /usr/lib64/libpulse.so.0
#4  0x00007fb0b0eae640 in pa_mainloop_run () from /usr/lib64/libpulse.so.0
#5  0x00007fb0b0ebc6c3 in ?? () from /usr/lib64/libpulse.so.0
#6  0x00007fb0b064a898 in ?? () from /usr/lib64/pulseaudio/libpulsecommon-6.0.so
#7  0x00007fb0ba1a04b4 in start_thread () from /lib64/libpthread.so.0
#8  0x00007fb0baba6a4d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7fb0c0e3d7c0 (LWP 20509)):
[KCrash Handler]
#5  QV4::RegExpCache::~RegExpCache (this=0x66d7530, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.4.0/src/qml/jsruntime/qv4regexp.cpp:45
#6  0x00007fb0be33ab39 in QV4::ExecutionEngine::~ExecutionEngine (this=0x717d650, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.4.0/src/qml/jsruntime/qv4engine.cpp:436
#7  0x00007fb0be465c3e in QV8Engine::~QV8Engine (this=0x2805e40, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.4.0/src/qml/qml/v8/qv8engine.cpp:159
#8  0x00007fb0be465e29 in QV8Engine::~QV8Engine (this=0x2805e40, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.4.0/src/qml/qml/v8/qv8engine.cpp:160
#9  0x00007fb0be2dcf11 in QJSEngine::~QJSEngine (this=0x60107b0, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.4.0/src/qml/jsapi/qjsengine.cpp:203
#10 0x00007fb0be3d3b99 in QQmlEngine::~QQmlEngine (this=0x60107b0, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.4.0/src/qml/qml/qqmlengine.cpp:899
#11 0x00007fb0be3d3c59 in QQmlEngine::~QQmlEngine (this=0x60107b0, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.4.0/src/qml/qml/qqmlengine.cpp:922
#12 0x00007fb0bb416fcc in QObjectPrivate::deleteChildren (this=this@entry=0x4a6bc60) at kernel/qobject.cpp:1950
#13 0x00007fb0bb420ccc in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1030
#14 0x00007fb0bf299719 in KDeclarative::QmlObject::~QmlObject (this=0x71003c0, __in_chrg=<optimized out>) at /usr/src/debug/kdeclarative-5.7.0/src/kdeclarative/qmlobject.cpp:172
#15 0x00007fb0bb416fcc in QObjectPrivate::deleteChildren (this=this@entry=0x71996a0) at kernel/qobject.cpp:1950
#16 0x00007fb0bb420ccc in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1030
#17 0x00007fb0be94734f in QQuickItem::~QQuickItem (this=0x6f55b60, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.4.0/src/quick/items/qquickitem.cpp:2225
#18 0x00007fb0c088b1a7 in PlasmaQuick::AppletQuickItem::~AppletQuickItem (this=0x6f55b60, __in_chrg=<optimized out>) at /usr/src/debug/plasma-framework-5.7.0/src/plasmaquick/appletquickitem.cpp:393
#19 0x00007fb09daa8bf9 in AppletInterface::~AppletInterface (this=0x6f55b60, __in_chrg=<optimized out>) at /usr/src/debug/plasma-framework-5.7.0/src/scriptengines/qml/plasmoid/appletinterface.cpp:153
#20 0x00007fb0bb416fcc in QObjectPrivate::deleteChildren (this=this@entry=0x720f0b0) at kernel/qobject.cpp:1950
#21 0x00007fb0bb420ccc in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1030
#22 0x00007fb09daa4d44 in ~DeclarativeAppletScript (this=0x27d66d0, __in_chrg=<optimized out>) at /usr/src/debug/plasma-framework-5.7.0/src/scriptengines/qml/plasmoid/declarativeappletscript.cpp:75
#23 DeclarativeAppletScript::~DeclarativeAppletScript (this=0x27d66d0, __in_chrg=<optimized out>) at /usr/src/debug/plasma-framework-5.7.0/src/scriptengines/qml/plasmoid/declarativeappletscript.cpp:77
#24 0x00007fb0bf4efbef in Plasma::AppletPrivate::~AppletPrivate (this=0x62b6ea0, __in_chrg=<optimized out>) at /usr/src/debug/plasma-framework-5.7.0/src/plasma/private/applet_p.cpp:99
#25 0x00007fb0bf4efdb9 in Plasma::AppletPrivate::~AppletPrivate (this=0x62b6ea0, __in_chrg=<optimized out>) at /usr/src/debug/plasma-framework-5.7.0/src/plasma/private/applet_p.cpp:108
#26 0x00007fb0bf4e2299 in Plasma::Applet::~Applet (this=0x717d440, __in_chrg=<optimized out>) at /usr/src/debug/plasma-framework-5.7.0/src/plasma/applet.cpp:114
#27 0x00007fb0bf4e22b9 in Plasma::Applet::~Applet (this=0x717d440, __in_chrg=<optimized out>) at /usr/src/debug/plasma-framework-5.7.0/src/plasma/applet.cpp:115
#28 0x00007fb0bb419498 in QObject::event (this=0x717d440, e=<optimized out>) at kernel/qobject.cpp:1236
#29 0x00007fb0bc73b1dc in QApplicationPrivate::notify_helper (this=this@entry=0xe94930, receiver=receiver@entry=0x717d440, e=e@entry=0x5084810) at kernel/qapplication.cpp:3722
#30 0x00007fb0bc7401f0 in QApplication::notify (this=0x7fffd030c510, receiver=0x717d440, e=0x5084810) at kernel/qapplication.cpp:3505
#31 0x00007fb0bb3e8dc5 in QCoreApplication::notifyInternal (this=0x7fffd030c510, receiver=0x717d440, event=event@entry=0x5084810) at kernel/qcoreapplication.cpp:932
#32 0x00007fb0bb3eac5f in sendEvent (event=0x5084810, receiver=<optimized out>) at kernel/qcoreapplication.h:228
#33 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0xe89840) at kernel/qcoreapplication.cpp:1536
#34 0x00007fb0bb3eb298 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1394
#35 0x00007fb0bb440c83 in postEventSourceDispatch (s=0xede7c0) at kernel/qeventdispatcher_glib.cpp:271
#36 0x00007fb0b708aa04 in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#37 0x00007fb0b708ac48 in ?? () from /usr/lib64/libglib-2.0.so.0
#38 0x00007fb0b708acec in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#39 0x00007fb0bb4400fc in QEventDispatcherGlib::processEvents (this=0xe99ae0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#40 0x00007fb0bb3e6d1b in QEventLoop::exec (this=this@entry=0x7fffd030c3a0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#41 0x00007fb0bb3ee3a6 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1185
#42 0x0000000000432144 in main (argc=2, argv=<optimized out>) at /usr/src/debug/plasma-workspace-5.2.0/shell/main.cpp:150

Possible duplicates by query: bug 338890.

Reported using DrKonqi
Comment 1 David Edmundson 2015-03-11 23:38:13 UTC
bug in Qt, I've seen it before in systemsettings.

I'll leave this open to remind me to make a patch.
Comment 2 Hrvoje Senjan 2015-04-23 00:23:29 UTC
"me too". Qt 5.4  branch, KDE stuff from master. crashed at kquitapp5 plasmashell

Thread 1 (Thread 0x7f8f302bd880 (LWP 4690)):
[KCrash Handler]
#5  0x00007f8f2d5c13df in QV4::RegExpCache::~RegExpCache() (this=0x49be8a0, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/jsruntime/qv4regexp.cpp:45
#6  0x00007f8f2d56fa69 in QV4::ExecutionEngine::~ExecutionEngine() (this=0x49bcdd0, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/jsruntime/qv4engine.cpp:437
#7  0x00007f8f2d69b09e in QV8Engine::~QV8Engine() (this=0x49bcba0, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/qml/v8/qv8engine.cpp:159
#8  0x00007f8f2d69b289 in QV8Engine::~QV8Engine() (this=0x49bcba0, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/qml/v8/qv8engine.cpp:160
#9  0x00007f8f2d511e61 in QJSEngine::~QJSEngine() (this=0x49bbcf0, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/jsapi/qjsengine.cpp:203
#10 0x00007f8f2d608e39 in QQmlEngine::~QQmlEngine() (this=0x49bbcf0, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/qml/qqmlengine.cpp:901
#11 0x00007f8f2d608ef9 in QQmlEngine::~QQmlEngine() (this=0x49bbcf0, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/qml/qqmlengine.cpp:924
#12 0x00007f8f2a64069c in QObjectPrivate::deleteChildren() (this=this@entry=0x49bbde0) at kernel/qobject.cpp:1950
#13 0x00007f8f2a64a3bc in QObject::~QObject() (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1030
#14 0x00007f8f2e1f03d9 in KDeclarative::QmlObject::~QmlObject() (this=0x49bbc40, __in_chrg=<optimized out>) at /usr/src/debug/kdeclarative-5.10.0git.20150421T145748~33b6e9e/src/kdeclarative/qmlobject.cpp:174
#15 0x00007f8f2a64069c in QObjectPrivate::deleteChildren() (this=this@entry=0x49b89d0) at kernel/qobject.cpp:1950
#16 0x00007f8f2a64a3bc in QObject::~QObject() (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1030
#17 0x00007f8f2dda079f in QQuickItem::~QQuickItem() (this=0x49b8930, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/quick/items/qquickitem.cpp:2223
#18 0x00007f8f2fcf1967 in PlasmaQuick::AppletQuickItem::~AppletQuickItem() (this=0x49b8930, __in_chrg=<optimized out>) at /usr/src/debug/plasma-framework-5.10.0git.20150421T112311~c22bb8c/src/plasmaquick/appletquickitem.cpp:398
#19 0x00007f8efd8376b9 in AppletInterface::~AppletInterface() (this=0x49b8930, __in_chrg=<optimized out>) at /usr/src/debug/plasma-framework-5.10.0git.20150421T112311~c22bb8c/src/scriptengines/qml/plasmoid/appletinterface.cpp:160
#20 0x00007f8f2a64069c in QObjectPrivate::deleteChildren() (this=this@entry=0x48d6650) at kernel/qobject.cpp:1950
#21 0x00007f8f2a64a3bc in QObject::~QObject() (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1030
#22 0x00007f8efd833774 in DeclarativeAppletScript::~DeclarativeAppletScript() (this=0x38c38b0, __in_chrg=<optimized out>) at /usr/src/debug/plasma-framework-5.10.0git.20150421T112311~c22bb8c/src/scriptengines/qml/plasmoid/declarativeappletscript.cpp:75
#23 0x00007f8efd833774 in DeclarativeAppletScript::~DeclarativeAppletScript() (this=0x38c38b0, __in_chrg=<optimized out>) at /usr/src/debug/plasma-framework-5.10.0git.20150421T112311~c22bb8c/src/scriptengines/qml/plasmoid/declarativeappletscript.cpp:77
#24 0x00007f8f2e94d33f in Plasma::AppletPrivate::~AppletPrivate() (this=0x48d82d0, __in_chrg=<optimized out>) at /usr/src/debug/plasma-framework-5.10.0git.20150421T112311~c22bb8c/src/plasma/private/applet_p.cpp:100
#25 0x00007f8f2e94d509 in Plasma::AppletPrivate::~AppletPrivate() (this=0x48d82d0, __in_chrg=<optimized out>) at /usr/src/debug/plasma-framework-5.10.0git.20150421T112311~c22bb8c/src/plasma/private/applet_p.cpp:109
#26 0x00007f8f2e93f9e9 in Plasma::Applet::~Applet() (this=0x43f4530, __in_chrg=<optimized out>) at /usr/src/debug/plasma-framework-5.10.0git.20150421T112311~c22bb8c/src/plasma/applet.cpp:114
#27 0x00007f8f2e93fa09 in Plasma::Applet::~Applet() (this=0x43f4530, __in_chrg=<optimized out>) at /usr/src/debug/plasma-framework-5.10.0git.20150421T112311~c22bb8c/src/plasma/applet.cpp:115
#28 0x00007f8f2e95409e in Plasma::ContainmentPrivate::~ContainmentPrivate() (this=0x3d571c0, __in_chrg=<optimized out>) at /usr/src/debug/plasma-framework-5.10.0git.20150421T112311~c22bb8c/src/plasma/private/containment_p.cpp:69
#29 0x00007f8f2e9433c6 in Plasma::Containment::~Containment() (this=0x3d502a0, __in_chrg=<optimized out>) at /usr/src/debug/plasma-framework-5.10.0git.20150421T112311~c22bb8c/src/plasma/containment.cpp:94
#30 0x00007f8f2e9433e9 in Plasma::Containment::~Containment() (this=0x3d502a0, __in_chrg=<optimized out>) at /usr/src/debug/plasma-framework-5.10.0git.20150421T112311~c22bb8c/src/plasma/containment.cpp:95
#31 0x00007f8f2a64069c in QObjectPrivate::deleteChildren() (this=this@entry=0x29d6680) at kernel/qobject.cpp:1950
#32 0x00007f8f2a64a3bc in QObject::~QObject() (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1030
#33 0x00007f8f2e93fa09 in Plasma::Applet::~Applet() (this=0x29d80b0, __in_chrg=<optimized out>) at /usr/src/debug/plasma-framework-5.10.0git.20150421T112311~c22bb8c/src/plasma/applet.cpp:115
#34 0x00007f8f2e95409e in Plasma::ContainmentPrivate::~ContainmentPrivate() (this=0x25c81f0, __in_chrg=<optimized out>) at /usr/src/debug/plasma-framework-5.10.0git.20150421T112311~c22bb8c/src/plasma/private/containment_p.cpp:69
#35 0x00007f8f2e9433c6 in Plasma::Containment::~Containment() (this=0x25c2a20, __in_chrg=<optimized out>) at /usr/src/debug/plasma-framework-5.10.0git.20150421T112311~c22bb8c/src/plasma/containment.cpp:94
#36 0x00007f8f2e9433e9 in Plasma::Containment::~Containment() (this=0x25c2a20, __in_chrg=<optimized out>) at /usr/src/debug/plasma-framework-5.10.0git.20150421T112311~c22bb8c/src/plasma/containment.cpp:95
#37 0x00000000004562ae in ShellCorona::~ShellCorona() ()
#38 0x0000000000456539 in ShellCorona::~ShellCorona() ()
#39 0x00007f8f2a64069c in QObjectPrivate::deleteChildren() (this=this@entry=0x2158950) at kernel/qobject.cpp:1950
#40 0x00007f8f2a64a3bc in QObject::~QObject() (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1030
#41 0x000000000045e743 in ShellManager::~ShellManager() ()
#42 0x00007f8f2a642bb8 in QObject::event(QEvent*) (this=0x2102230, e=<optimized out>) at kernel/qobject.cpp:1236
#43 0x00007f8f2b967aec in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=this@entry=0x2068620, receiver=receiver@entry=0x2102230, e=e@entry=0x5be3020) at kernel/qapplication.cpp:3720
#44 0x00007f8f2b96c940 in QApplication::notify(QObject*, QEvent*) (this=0x7fff5737f8e0, receiver=0x2102230, e=0x5be3020) at kernel/qapplication.cpp:3503
#45 0x00007f8f2a6124b5 in QCoreApplication::notifyInternal(QObject*, QEvent*) (this=0x7fff5737f8e0, receiver=0x2102230, event=event@entry=0x5be3020) at kernel/qcoreapplication.cpp:935
#46 0x00007f8f2a61434f in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (event=0x5be3020, receiver=<optimized out>) at kernel/qcoreapplication.h:228
#47 0x00007f8f2a61434f in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (receiver=receiver@entry=0x0, event_type=event_type@entry=52, data=0x205d570) at kernel/qcoreapplication.cpp:1552
#48 0x00007f8f2a614988 in QCoreApplication::sendPostedEvents(QObject*, int) (receiver=receiver@entry=0x0, event_type=event_type@entry=52) at kernel/qcoreapplication.cpp:1410
#49 0x00007f8f2a617acd in QCoreApplication::exec() () at kernel/qcoreapplication.cpp:1195
#50 0x00000000004328fb in main ()
Comment 3 David Edmundson 2015-04-25 11:41:13 UTC
*** Bug 346612 has been marked as a duplicate of this bug. ***
Comment 4 David Edmundson 2015-05-16 22:51:53 UTC
*** Bug 347688 has been marked as a duplicate of this bug. ***
Comment 5 Marco Martin 2015-10-14 13:47:22 UTC
This shouldn't happen anymore with Plasma 5.4 or more recent after we switched to a single QQmlEngine for the whole plasma process.
Please reopen if this backtrace still happens on Plasma 5.4 or more recent