[kde] [Bug 353142] New: Plasma Crash after / while closing Kaffeine

Thu Sep 24 19:34:06 BST 2015

https://bugs.kde.org/show_bug.cgi?id=353142

            Bug ID: 353142
           Summary: Plasma Crash after / while closing Kaffeine
           Product: kde
           Version: unspecified
          Platform: unspecified
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: stakanov at freenet.de

Application: plasma-desktop (4.11.20)
KDE Platform Version: 4.14.9
Qt Version: 4.8.6
Operating System: Linux 4.2.1-1.g9c7cacf-desktop x86_64
Distribution: "openSUSE 13.2 (Harlequin) (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed:
Kaffeine did hang (presumably for a dvb-t signal issue. When I closed it the
whole desktop froze, stayed frozen for a while, then came back to life and
konqi popped up. Only after this, the application Kaffeine that I had tried to
reopen, did come up. 
- Unusual behavior I noticed:
Unlike other Plasma crashes I had the desktop did NOT become black. It just
stayed frozen. But the desktop was visible and also the two monitor support was
active. But now action was possible.

-- Backtrace:
Application: Shell del desktop di Plasma (plasma-desktop), signal: Segmentation
fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fd57881b780 (LWP 32590))]

Thread 7 (Thread 0x7fd548f8f700 (LWP 32600)):
#0  0x00007fd5770e005f in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007fd5699418cb in QTWTF::TCMalloc_PageHeap::scavengerThread
(this=0x7fd569c3ff00 <QTWTF::pageheap_memory>) at
../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00007fd569941909 in QTWTF::TCMalloc_PageHeap::runScavengerThread
(context=<optimized out>) at
../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00007fd5770dc0a4 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fd575e4908d in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7fd4c3bef700 (LWP 32601)):
#0  0x00007fd5770e005f in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007fd56b4d3686 in WTF::TCMalloc_PageHeap::scavengerThread() () from
/usr/lib64/libQtWebKit.so.4
#2  0x00007fd56b4d36b9 in WTF::TCMalloc_PageHeap::runScavengerThread(void*) ()
from /usr/lib64/libQtWebKit.so.4
#3  0x00007fd5770dc0a4 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fd575e4908d in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7fd4833ec700 (LWP 32612)):
#0  0x00007fd5770e005f in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007fd56b245e7d in JSC::BlockAllocator::blockFreeingThreadMain() () from
/usr/lib64/libQtWebKit.so.4
#2  0x00007fd56b4fb1e6 in WTF::wtfThreadEntryPoint(void*) () from
/usr/lib64/libQtWebKit.so.4
#3  0x00007fd5770dc0a4 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fd575e4908d in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7fd477308700 (LWP 32708)):
#0  0x00007fd575e40c5d in poll () from /lib64/libc.so.6
#1  0x00007fd572f53be4 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fd572f53cec in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007fd5774a10de in QEventDispatcherGlib::processEvents
(this=0x7fd4700008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:452
#4  0x00007fd577472e6f in QEventLoop::processEvents
(this=this at entry=0x7fd477307e20, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fd577473165 in QEventLoop::exec (this=this at entry=0x7fd477307e20,
flags=...) at kernel/qeventloop.cpp:204
#6  0x00007fd5773700bf in QThread::exec (this=this at entry=0x320c5e0) at
thread/qthread.cpp:538
#7  0x00007fd577454783 in QInotifyFileSystemWatcherEngine::run (this=0x320c5e0)
at io/qfilesystemwatcher_inotify.cpp:265
#8  0x00007fd57737279f in QThreadPrivate::start (arg=0x320c5e0) at
thread/qthread_unix.cpp:349
#9  0x00007fd5770dc0a4 in start_thread () from /lib64/libpthread.so.0
#10 0x00007fd575e4908d in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7fd476469700 (LWP 32710)):
#0  0x00007fd572f95904 in g_mutex_unlock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007fd572f53280 in g_main_context_prepare () from
/usr/lib64/libglib-2.0.so.0
#2  0x00007fd572f53b03 in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fd572f53cec in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#4  0x00007fd5774a10de in QEventDispatcherGlib::processEvents
(this=0x7fd4680008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:452
#5  0x00007fd577472e6f in QEventLoop::processEvents
(this=this at entry=0x7fd476468e20, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007fd577473165 in QEventLoop::exec (this=this at entry=0x7fd476468e20,
flags=...) at kernel/qeventloop.cpp:204
#7  0x00007fd5773700bf in QThread::exec (this=this at entry=0x325d560) at
thread/qthread.cpp:538
#8  0x00007fd577454783 in QInotifyFileSystemWatcherEngine::run (this=0x325d560)
at io/qfilesystemwatcher_inotify.cpp:265
#9  0x00007fd57737279f in QThreadPrivate::start (arg=0x325d560) at
thread/qthread_unix.cpp:349
#10 0x00007fd5770dc0a4 in start_thread () from /lib64/libpthread.so.0
#11 0x00007fd575e4908d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7fd4671d5700 (LWP 310)):
#0  0x00007fd575e40c5d in poll () from /lib64/libc.so.6
#1  0x00007fd572f53be4 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fd572f53cec in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007fd5774a10de in QEventDispatcherGlib::processEvents
(this=0x7fd4600008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:452
#4  0x00007fd577472e6f in QEventLoop::processEvents
(this=this at entry=0x7fd4671d4e60, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fd577473165 in QEventLoop::exec (this=this at entry=0x7fd4671d4e60,
flags=...) at kernel/qeventloop.cpp:204
#6  0x00007fd5773700bf in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:538
#7  0x00007fd57737279f in QThreadPrivate::start (arg=0x2611aa0) at
thread/qthread_unix.cpp:349
#8  0x00007fd5770dc0a4 in start_thread () from /lib64/libpthread.so.0
#9  0x00007fd575e4908d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7fd57881b780 (LWP 32590)):
[KCrash Handler]
#6  0x00007fd57748b6c2 in QMetaObject::addGuard (ptr=ptr at entry=0x7ffd6f049c00)
at kernel/qobject.cpp:400
#7  0x00007fd56913e835 in QPointer (p=..., this=0x7ffd6f049c00) at
../../src/corelib/kernel/qpointer.h:62
#8  takeAt (i=3, this=0x3b2de80) at ../../src/corelib/tools/qlist.h:486
#9  QDeclarativeRepeater::itemsRemoved (this=0x3b2dbd0, index=3, count=0) at
graphicsitems/qdeclarativerepeater.cpp:407
#10 0x00007fd5774881fa in QMetaObject::activate (sender=sender at entry=0x3b2bd10,
m=m at entry=0x7fd569570b20 <QDeclarativeVisualModel::staticMetaObject>,
local_signal_index=local_signal_index at entry=2, argv=argv at entry=0x7ffd6f049d60)
at kernel/qobject.cpp:3576
#11 0x00007fd56927e8ef in QDeclarativeVisualModel::itemsRemoved
(this=this at entry=0x3b2bd10, _t1=_t1 at entry=3, _t2=_t2 at entry=1) at
.moc/release-shared/moc_qdeclarativevisualitemmodel_p.cpp:160
#12 0x00007fd56915393b in QDeclarativeVisualDataModel::_q_itemsRemoved
(this=0x3b2bd10, index=3, count=1) at
graphicsitems/qdeclarativevisualitemmodel.cpp:1314
#13 0x00007fd56927ecfd in QDeclarativeVisualDataModel::qt_static_metacall
(_o=0x7ffd6f049c00, _c=QMetaObject::ResetProperty, _id=34484848, _a=0x1) at
.moc/release-shared/moc_qdeclarativevisualitemmodel_p.cpp:403
#14 0x00007fd5774881fa in QMetaObject::activate (sender=sender at entry=0x3a3c390,
m=m at entry=0x7fd5777d86a0 <QAbstractItemModel::staticMetaObject>,
local_signal_index=local_signal_index at entry=7, argv=argv at entry=0x7ffd6f049fa0)
at kernel/qobject.cpp:3576
#15 0x00007fd5774d2564 in QAbstractItemModel::rowsRemoved
(this=this at entry=0x3a3c390, _t1=..., _t2=3, _t3=3) at
.moc/release-shared/moc_qabstractitemmodel.cpp:210
#16 0x00007fd57746ecce in QAbstractItemModel::endRemoveRows (this=0x3a3c390) at
kernel/qabstractitemmodel.cpp:2487
#17 0x00007fd54f258e5c in ?? () from /usr/lib64/libtaskmanager.so.4
#18 0x00007fd5774881fa in QMetaObject::activate (sender=0x2503dc0, m=<optimized
out>, local_signal_index=<optimized out>, argv=0x7ffd6f04a190) at
kernel/qobject.cpp:3576
#19 0x00007fd54f24bba2 in
TaskManager::TaskGroup::itemRemoved(TaskManager::AbstractGroupableItem*) ()
from /usr/lib64/libtaskmanager.so.4
#20 0x00007fd54f24bf43 in TaskManager::TaskGroup::Private::signalRemovals() ()
from /usr/lib64/libtaskmanager.so.4
#21 0x00007fd54f24e6d9 in ?? () from /usr/lib64/libtaskmanager.so.4
#22 0x00007fd57748c59e in QObject::event (this=0x2503dc0, e=<optimized out>) at
kernel/qobject.cpp:1231
#23 0x00007fd5765f076c in QApplicationPrivate::notify_helper
(this=this at entry=0x2058bd0, receiver=receiver at entry=0x2503dc0,
e=e at entry=0x8398250) at kernel/qapplication.cpp:4565
#24 0x00007fd5765f6cad in QApplication::notify (this=this at entry=0x2045f70,
receiver=receiver at entry=0x2503dc0, e=e at entry=0x8398250) at
kernel/qapplication.cpp:4351
#25 0x00007fd578217e0a in KApplication::notify (this=0x2045f70,
receiver=0x2503dc0, event=0x8398250) at
/usr/src/debug/kdelibs-4.14.9/kdeui/kernel/kapplication.cpp:311
#26 0x00007fd5774742ad in QCoreApplication::notifyInternal (this=0x2045f70,
receiver=receiver at entry=0x2503dc0, event=event at entry=0x8398250) at
kernel/qcoreapplication.cpp:953
#27 0x00007fd57747757d in sendEvent (event=0x8398250, receiver=0x2503dc0) at
kernel/qcoreapplication.h:231
#28 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver at entry=0x0,
event_type=event_type at entry=0, data=0x1f7c490) at
kernel/qcoreapplication.cpp:1577
#29 0x00007fd577477a23 in QCoreApplication::sendPostedEvents
(receiver=receiver at entry=0x0, event_type=event_type at entry=0) at
kernel/qcoreapplication.cpp:1470
#30 0x00007fd5774a18fe in sendPostedEvents () at kernel/qcoreapplication.h:236
#31 postEventSourceDispatch (s=0x2061380) at
kernel/qeventdispatcher_glib.cpp:300
#32 0x00007fd572f53a04 in g_main_context_dispatch () from
/usr/lib64/libglib-2.0.so.0
#33 0x00007fd572f53c48 in ?? () from /usr/lib64/libglib-2.0.so.0
#34 0x00007fd572f53cec in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#35 0x00007fd5774a10be in QEventDispatcherGlib::processEvents (this=0x204dca0,
flags=...) at kernel/qeventdispatcher_glib.cpp:450
#36 0x00007fd57668d676 in QGuiEventDispatcherGlib::processEvents
(this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#37 0x00007fd577472e6f in QEventLoop::processEvents
(this=this at entry=0x7ffd6f04a810, flags=...) at kernel/qeventloop.cpp:149
#38 0x00007fd577473165 in QEventLoop::exec (this=this at entry=0x7ffd6f04a810,
flags=...) at kernel/qeventloop.cpp:204
#39 0x00007fd5774785b9 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1225
#40 0x00007fd5765eef3c in QApplication::exec () at kernel/qapplication.cpp:3823
#41 0x00007fd561e05b94 in kdemain (argc=1, argv=0x1ff3d80) at
/usr/src/debug/kde-workspace-4.11.20/plasma/desktop/shell/main.cpp:126
#42 0x0000000000408815 in _start ()

Reported using DrKonqi

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