Bug 354267

Application: plasmashell (5.4.1)

Qt Version: 5.5.0
Operating System: Linux 4.0.4-301.fc22.x86_64 x86_64
Distribution: "Fedora release 22 (Twenty Two)"

-- Information about the crash:
- What I was doing when the application crashed
removing a panel & started to change panel ssettings (shortly after removing a panel)

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f0c4ec6a900 (LWP 1441))]

Thread 9 (Thread 0x7f0c2ecb1700 (LWP 1448)):
#0  0x00007f0c466802fd in poll () at /lib64/libc.so.6
#1  0x00007f0c4caba182 in _xcb_conn_wait () at /lib64/libxcb.so.1
#2  0x00007f0c4cabbc77 in xcb_wait_for_event () at /lib64/libxcb.so.1
#3  0x00007f0c30c32999 in QXcbEventReader::run() () at /lib64/libQt5XcbQpa.so.5
#4  0x00007f0c4728c54e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#5  0x00007f0c45330555 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f0c4668bb9d in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7f0c27fff700 (LWP 1622)):
#0  0x00007f0c4187cec9 in g_mutex_lock () at /lib64/libglib-2.0.so.0
#1  0x00007f0c4183780c in g_main_context_check () at /lib64/libglib-2.0.so.0
#2  0x00007f0c41837d60 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#3  0x00007f0c41837ecc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#4  0x00007f0c474c3dab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f0c4746adaa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007f0c472875a4 in QThread::exec() () at /lib64/libQt5Core.so.5
#7  0x00007f0c4b54f245 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#8  0x00007f0c4728c54e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007f0c45330555 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f0c4668bb9d in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7f0c24ba4700 (LWP 1630)):
#0  0x00007f0c45335540 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f0c25eac6da in radeon_drm_cs_emit_ioctl () at /usr/lib64/dri/r600_dri.so
#2  0x00007f0c25eabe37 in impl_thrd_routine () at /usr/lib64/dri/r600_dri.so
#3  0x00007f0c45330555 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f0c4668bb9d in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f0c1c8b9700 (LWP 1636)):
#0  0x00007ffc5d5f4c96 in clock_gettime ()
#1  0x00007f0c46699d9d in clock_gettime () at /lib64/libc.so.6
#2  0x00007f0c4733cbc6 in qt_gettime() () at /lib64/libQt5Core.so.5
#3  0x00007f0c474c1839 in QTimerInfoList::updateCurrentTime() () at /lib64/libQt5Core.so.5
#4  0x00007f0c474c1da5 in QTimerInfoList::timerWait(timespec&) () at /lib64/libQt5Core.so.5
#5  0x00007f0c474c318e in timerSourcePrepare(_GSource*, int*) () at /lib64/libQt5Core.so.5
#6  0x00007f0c4183735d in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#7  0x00007f0c41837ceb in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#8  0x00007f0c41837ecc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#9  0x00007f0c474c3dab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#10 0x00007f0c4746adaa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#11 0x00007f0c472875a4 in QThread::exec() () at /lib64/libQt5Core.so.5
#12 0x00007f0c4b54f245 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#13 0x00007f0c4728c54e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#14 0x00007f0c45330555 in start_thread () at /lib64/libpthread.so.0
#15 0x00007f0c4668bb9d in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f0c16c7e700 (LWP 1654)):
#0  0x00007ffc5d5f4c96 in clock_gettime ()
#1  0x00007f0c46699d9d in clock_gettime () at /lib64/libc.so.6
#2  0x00007f0c4733cbc6 in qt_gettime() () at /lib64/libQt5Core.so.5
#3  0x00007f0c474c1839 in QTimerInfoList::updateCurrentTime() () at /lib64/libQt5Core.so.5
#4  0x00007f0c474c1da5 in QTimerInfoList::timerWait(timespec&) () at /lib64/libQt5Core.so.5
#5  0x00007f0c474c318e in timerSourcePrepare(_GSource*, int*) () at /lib64/libQt5Core.so.5
#6  0x00007f0c4183735d in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#7  0x00007f0c41837ceb in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#8  0x00007f0c41837ecc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#9  0x00007f0c474c3dab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#10 0x00007f0c4746adaa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#11 0x00007f0c472875a4 in QThread::exec() () at /lib64/libQt5Core.so.5
#12 0x00007f0c4b54f245 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#13 0x00007f0c4728c54e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#14 0x00007f0c45330555 in start_thread () at /lib64/libpthread.so.0
#15 0x00007f0c4668bb9d in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f0c153de700 (LWP 1676)):
#0  0x00007f0c45335540 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f0c4e389494 in QTWTF::TCMalloc_PageHeap::scavengerThread() () at /lib64/libQt5Script.so.5
#2  0x00007f0c4e3894d9 in  () at /lib64/libQt5Script.so.5
#3  0x00007f0c45330555 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f0c4668bb9d in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f0b8dd65700 (LWP 1712)):
#0  0x00007ffc5d5f4c96 in clock_gettime ()
#1  0x00007f0c46699d9d in clock_gettime () at /lib64/libc.so.6
#2  0x00007f0c4733cbc6 in qt_gettime() () at /lib64/libQt5Core.so.5
#3  0x00007f0c474c1839 in QTimerInfoList::updateCurrentTime() () at /lib64/libQt5Core.so.5
#4  0x00007f0c474c1da5 in QTimerInfoList::timerWait(timespec&) () at /lib64/libQt5Core.so.5
#5  0x00007f0c474c318e in timerSourcePrepare(_GSource*, int*) () at /lib64/libQt5Core.so.5
#6  0x00007f0c4183735d in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#7  0x00007f0c41837ceb in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#8  0x00007f0c41837ecc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#9  0x00007f0c474c3dab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#10 0x00007f0c4746adaa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#11 0x00007f0c472875a4 in QThread::exec() () at /lib64/libQt5Core.so.5
#12 0x00007f0c4c0f2616 in QQuickPixmapReader::run() () at /lib64/libQt5Quick.so.5
#13 0x00007f0c4728c54e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#14 0x00007f0c45330555 in start_thread () at /lib64/libpthread.so.0
#15 0x00007f0c4668bb9d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f0b82085700 (LWP 1758)):
#0  0x00007f0c466802fd in poll () at /lib64/libc.so.6
#1  0x00007f0c41837dbc in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f0c41837ecc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f0c474c3dab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f0c4746adaa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f0c472875a4 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f0b83cd4397 in KCupsConnection::run() () at /lib64/libkcupslib.so
#7  0x00007f0c4728c54e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f0c45330555 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f0c4668bb9d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f0c4ec6a900 (LWP 1441)):
[KCrash Handler]
#5  0x00007f0c4b48a818 in QV4::QObjectWrapper::wrap(QV4::ExecutionEngine*, QObject*) () at /lib64/libQt5Qml.so.5
#6  0x00007f0c4b40f07c in QV4::ExecutionEngine::fromVariant(QVariant const&) () at /lib64/libQt5Qml.so.5
#7  0x00007f0c4b53f219 in QV4::QmlContextWrapper::get(QV4::Managed*, QV4::String*, bool*) () at /lib64/libQt5Qml.so.5
#8  0x00007f0c4b416983 in QV4::ExecutionContext::getProperty(QV4::String*) () at /lib64/libQt5Qml.so.5
#9  0x00007f0c4b4a1d67 in QV4::Runtime::getActivationProperty(QV4::ExecutionEngine*, int) () at /lib64/libQt5Qml.so.5
#10 0x00007f0b8cebb7cd in  ()
#11 0x0000000000000000 in  ()

Possible duplicates by query: bug 354053, bug 353307, bug 353188, bug 353187, bug 349758.

Reported using DrKonqi