Bug 354978

Application: plasmashell (5.4.2)

Qt Version: 5.5.1
Operating System: Linux 4.2.4-1-default x86_64
Distribution: "openSUSE Tumbleweed (20151030) (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed:
As in the title, this happened not for the first time. I also plugged in an USB bluetooth stick a bit earlier.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fa4a10898c0 (LWP 1969))]

Thread 8 (Thread 0x7fa48a6ad700 (LWP 1972)):
#0  0x00007fa49a6591cd in poll () from /lib64/libc.so.6
#1  0x00007fa49f4f9432 in ?? () from /usr/lib64/libxcb.so.1
#2  0x00007fa49f4fb007 in xcb_wait_for_event () from /usr/lib64/libxcb.so.1
#3  0x00007fa48c7fce29 in ?? () from /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007fa49ad4a94f in QThreadPrivate::start (arg=0x21e37a0) at thread/qthread_unix.cpp:331
#5  0x00007fa499e604a4 in start_thread () from /lib64/libpthread.so.0
#6  0x00007fa49a661b5d in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7fa4839da700 (LWP 2016)):
#0  0x00007fa496da44d0 in g_mutex_unlock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007fa496d60910 in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fa496d61193 in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fa496d6136c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007fa49af6f52b in QEventDispatcherGlib::processEvents (this=0x7fa47c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007fa49af1963a in QEventLoop::exec (this=this@entry=0x7fa4839d9cf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fa49ad45b1c in QThread::exec (this=this@entry=0x22c8090) at thread/qthread.cpp:503
#7  0x00007fa49dfda9a5 in QQmlThreadPrivate::run (this=0x22c8090) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x00007fa49ad4a94f in QThreadPrivate::start (arg=0x22c8090) at thread/qthread_unix.cpp:331
#9  0x00007fa499e604a4 in start_thread () from /lib64/libpthread.so.0
#10 0x00007fa49a661b5d in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7fa476996700 (LWP 2017)):
#0  0x00007fa49a6551ad in read () from /lib64/libc.so.6
#1  0x00007fa496da3210 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fa496d60d94 in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fa496d61208 in ?? () from /usr/lib64/libglib-2.0.so.0
#4  0x00007fa496d6136c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#5  0x00007fa49af6f52b in QEventDispatcherGlib::processEvents (this=0x7fa4700008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0x00007fa49af1963a in QEventLoop::exec (this=this@entry=0x7fa476995cf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007fa49ad45b1c in QThread::exec (this=this@entry=0x25ca310) at thread/qthread.cpp:503
#8  0x00007fa49dfda9a5 in QQmlThreadPrivate::run (this=0x25ca310) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/ftw/qqmlthread.cpp:141
#9  0x00007fa49ad4a94f in QThreadPrivate::start (arg=0x25ca310) at thread/qthread_unix.cpp:331
#10 0x00007fa499e604a4 in start_thread () from /lib64/libpthread.so.0
#11 0x00007fa49a661b5d in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7fa474ffd700 (LWP 2025)):
#0  0x00007fa496d5e4b4 in ?? () from /usr/lib64/libglib-2.0.so.0
#1  0x00007fa496d6082b in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fa496d61193 in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fa496d6136c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007fa49af6f52b in QEventDispatcherGlib::processEvents (this=0x7fa4680008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007fa49af1963a in QEventLoop::exec (this=this@entry=0x7fa474ffccf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fa49ad45b1c in QThread::exec (this=this@entry=0x21f41e0) at thread/qthread.cpp:503
#7  0x00007fa49dfda9a5 in QQmlThreadPrivate::run (this=0x21f41e0) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x00007fa49ad4a94f in QThreadPrivate::start (arg=0x21f41e0) at thread/qthread_unix.cpp:331
#9  0x00007fa499e604a4 in start_thread () from /lib64/libpthread.so.0
#10 0x00007fa49a661b5d in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7fa46f5f7700 (LWP 2026)):
#0  0x00007fa499e6607f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fa4a0766a84 in ?? () from /usr/lib64/libQt5Script.so.5
#2  0x00007fa4a0766ac9 in ?? () from /usr/lib64/libQt5Script.so.5
#3  0x00007fa499e604a4 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fa49a661b5d in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7fa3e7df9700 (LWP 2027)):
#0  0x00007fa49a6591cd in poll () from /lib64/libc.so.6
#1  0x00007fa496d61264 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fa496d6136c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fa49af6f52b in QEventDispatcherGlib::processEvents (this=0x7fa3e00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007fa49af1963a in QEventLoop::exec (this=this@entry=0x7fa3e7df8cb0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fa49ad45b1c in QThread::exec (this=this@entry=0x2a2e940) at thread/qthread.cpp:503
#6  0x00007fa49eb56e42 in QQuickPixmapReader::run (this=0x2a2e940) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/util/qquickpixmapcache.cpp:760
#7  0x00007fa49ad4a94f in QThreadPrivate::start (arg=0x2a2e940) at thread/qthread_unix.cpp:331
#8  0x00007fa499e604a4 in start_thread () from /lib64/libpthread.so.0
#9  0x00007fa49a661b5d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7fa3d7cce700 (LWP 2084)):
#0  0x00007fa496da44b9 in g_mutex_lock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007fa496d60899 in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fa496d61193 in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fa496d6136c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007fa49af6f52b in QEventDispatcherGlib::processEvents (this=0x7fa3d00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007fa49af1963a in QEventLoop::exec (this=this@entry=0x7fa3d7ccdcd0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fa49ad45b1c in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007fa3da1deed7 in KCupsConnection::run() () from /usr/lib64/libkcupslib.so
#8  0x00007fa49ad4a94f in QThreadPrivate::start (arg=0x4a50810) at thread/qthread_unix.cpp:331
#9  0x00007fa499e604a4 in start_thread () from /lib64/libpthread.so.0
#10 0x00007fa49a661b5d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7fa4a10898c0 (LWP 1969)):
[KCrash Handler]
#6  0x0000001000000002 in ?? ()
#7  0x00007fa49af23619 in QMetaObject::cast(QObject*) const () at kernel/qmetaobject.cpp:312
#8  0x00007fa49df99c5f in qobject_cast<QQmlEngine*> (object=<optimized out>) at /usr/include/qt5/QtCore/qobject.h:518
#9  QQmlPropertyCache::resolve (this=this@entry=0x559ea10, data=data@entry=0x559fa68) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlpropertycache.cpp:821
#10 0x00007fa49df99cb4 in QQmlPropertyCache::ensureResolved (this=this@entry=0x559ea10, p=p@entry=0x559fa68) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlpropertycache.cpp:788
#11 0x00007fa49df99ece in QQmlPropertyCache::findProperty (this=0x559ea10, it=..., vmemo=<optimized out>, context=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlpropertycache.cpp:1016
#12 0x00007fa49df1b5ac in property<QV4::String*> (context=0x4f14820, object=0x2bd9c20, key=<synthetic pointer>, this=0x559ea10) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlpropertycache_p.h:288
#13 QV4::QObjectWrapper::findProperty (this=this@entry=0x7fa46f801318, engine=engine@entry=0x2682750, qmlContext=qmlContext@entry=0x4f14820, name=0x7fa46f801320, revisionMode=revisionMode@entry=QV4::QObjectWrapper::IgnoreRevision, local=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/jsruntime/qv4qobjectwrapper.cpp:251
#14 0x00007fa49df22085 in QV4::QObjectWrapper::getQmlProperty (this=0x7fa46f801318, qmlContext=0x4f14820, n=<optimized out>, revisionMode=QV4::QObjectWrapper::IgnoreRevision, hasProperty=0x0, includeImports=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/jsruntime/qv4qobjectwrapper.cpp:279
#15 0x00007fa49df337b6 in get (hasProperty=0x0, name=<optimized out>, this=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/jsruntime/qv4object_p.h:279
#16 QV4::Runtime::getProperty (engine=0x2682750, object=..., nameIndex=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/jsruntime/qv4runtime.cpp:675
#17 0x00007fa46c07b117 in ?? ()
#18 0x0000000004f14820 in ?? ()
#19 0x0000000002675ec0 in ?? ()
#20 0x0000000000000000 in ?? ()

Reported using DrKonqi