Application: kmail (4.8.0)
KDE Platform Version: 4.8.1 (4.8.1)
Qt Version: 4.8.0
Operating System: Linux 3.0.0-16-generic x86_64
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:
Crash when changing message list theme from fancy to classic.
Did not happen after restart and repeating the change.

The crash does not seem to be reproducible.

-- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
__lll_lock_wait_private () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:97
	in ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S
[Current thread is 1 (Thread 0x7f68983b57c0 (LWP 17040))]

Thread 5 (Thread 0x7f6877494700 (LWP 17044)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f688a7d2c2c in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007f688a7d2d59 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007f68932c0efc in start_thread (arg=0x7f6877494700) at pthread_create.c:304
#4  0x00007f689572b59d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f6876b93700 (LWP 17045)):
#0  __lll_lock_wait_private () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:97
#1  0x00007f68956c862f in _L_lock_10501 () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f68956c69c1 in __GI___libc_free (mem=0x7f6870000020) at malloc.c:3736
#3  0x00007f68960b08d4 in QTimerInfoList::unregisterTimer (this=0x255e480, timerId=1006632976) at kernel/qeventdispatcher_unix.cpp:507
#4  0x00007f689609df51 in stop (this=0x2570720) at kernel/qtimer.cpp:266
#5  QTimer::stop (this=0x2570720) at kernel/qtimer.cpp:263
#6  0x00007f689609e055 in QTimer::timerEvent (this=0x2570720, e=<optimized out>) at kernel/qtimer.cpp:279
#7  0x00007f68960998d9 in QObject::event (this=0x2570720, e=<optimized out>) at kernel/qobject.cpp:1157
#8  0x00007f68965a3104 in notify_helper (e=0x7f6876b92b50, receiver=0x2570720, this=0x1f4b250) at kernel/qapplication.cpp:4555
#9  QApplicationPrivate::notify_helper (this=0x1f4b250, receiver=0x2570720, e=0x7f6876b92b50) at kernel/qapplication.cpp:4527
#10 0x00007f68965a7f83 in QApplication::notify (this=0x7fffbb8104b0, receiver=0x2570720, e=0x7f6876b92b50) at kernel/qapplication.cpp:4416
#11 0x00007f6897dd19a6 in KApplication::notify (this=0x7fffbb8104b0, receiver=0x2570720, event=0x7f6876b92b50) at ../../kdeui/kernel/kapplication.cpp:311
#12 0x00007f68960805fc in QCoreApplication::notifyInternal (this=0x7fffbb8104b0, receiver=0x2570720, event=0x7f6876b92b50) at kernel/qcoreapplication.cpp:876
#13 0x00007f68960b19a2 in sendEvent (event=0x7f6876b92b50, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#14 QTimerInfoList::activateTimers (this=0x255e480) at kernel/qeventdispatcher_unix.cpp:611
#15 0x00007f68960af36d in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:186
#16 timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:180
#17 0x00007f68960af391 in idleTimerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:233
#18 0x00007f688e0baa5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007f688e0bb258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f688e0bb429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f68960afb9f in QEventDispatcherGlib::processEvents (this=0x255d7c0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#22 0x00007f689607f3e2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#23 0x00007f689607f637 in QEventLoop::exec (this=0x7f6876b92dc0, flags=...) at kernel/qeventloop.cpp:204
#24 0x00007f6895f7f067 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#25 0x00007f6895f8208b in QThreadPrivate::start (arg=0x255cf90) at thread/qthread_unix.cpp:298
#26 0x00007f68932c0efc in start_thread (arg=0x7f6876b93700) at pthread_create.c:304
#27 0x00007f689572b59d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#28 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f682f975700 (LWP 17048)):
#0  0xffffffffff60017b in ?? ()
#1  0x00007f682f974ab0 in ?? ()
#2  0x00007fffbb9fc7e7 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 2 (Thread 0x7f682ef65700 (LWP 17108)):
[KCrash Handler]
#6  malloc_consolidate (av=0x7f6870000020) at malloc.c:5153
#7  0x00007f68956c3a4f in malloc_consolidate (av=0x7f6870000020) at malloc.c:5115
#8  _int_malloc (av=0x7f6870000020, bytes=65536) at malloc.c:4373
#9  0x00007f68956c63cd in __GI___libc_malloc (bytes=65536) at malloc.c:3660
#10 0x00007f6895f84088 in QByteArray::realloc (this=0x5b23cb8, alloc=65504) at tools/qbytearray.cpp:1452
#11 0x00007f6895f841a9 in QByteArray::resize (this=0x5b23cb8, size=32768) at tools/qbytearray.cpp:1420
#12 0x00007f6894786a06 in reserve (bytes=2, this=0x5718b30) at ../../include/QtCore/private/../../../src/corelib/tools/qringbuffer_p.h:158
#13 QAbstractSocket::writeData (this=<optimized out>, data=0x7f682ef645ec "\021", size=2) at socket/qabstractsocket.cpp:2315
#14 0x00007f68960134af in QIODevice::write (this=0x5720b40, data=0x7f682ef645ec "\021", maxSize=<optimized out>) at io/qiodevice.cpp:1370
#15 0x00007f6887d02095 in ?? () from /usr/lib/libsopranoclient.so.1
#16 0x00007f6887d0828a in ?? () from /usr/lib/libsopranoclient.so.1
#17 0x00007f6887d09a03 in ?? () from /usr/lib/libsopranoclient.so.1
#18 0x00007f688eafc0b2 in Nepomuk::MainModel::executeQuery (this=0x232b1a0, query=..., language=Soprano::Query::QueryLanguageSparql, userQueryLanguage=...) at ../../nepomuk/core/nepomukmainmodel.cpp:212
#19 0x00007f688eaec083 in Nepomuk::ResourceData::load (this=0x4ac0ab0) at ../../nepomuk/core/resourcedata.cpp:417
#20 0x00007f688eaec95c in Nepomuk::ResourceData::property (this=0x4ac0ab0, uri=...) at ../../nepomuk/core/resourcedata.cpp:265
#21 0x00007f688eb00893 in Nepomuk::Resource::property (this=0x7f682ef64cc0, uri=...) at ../../nepomuk/core/resource.cpp:301
#22 0x00007f6891e5f7da in MessageCore::NepomukResourceRetrieverRunnable::run (this=0x4a27290) at ../../messagecore/asyncnepomukresourceretriever.cpp:47
#23 0x00007f6895f755b2 in QThreadPoolThread::run (this=0x4a81d70) at concurrent/qthreadpool.cpp:107
#24 0x00007f6895f8208b in QThreadPrivate::start (arg=0x4a81d70) at thread/qthread_unix.cpp:298
#25 0x00007f68932c0efc in start_thread (arg=0x7f682ef65700) at pthread_create.c:304
#26 0x00007f689572b59d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#27 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f68983b57c0 (LWP 17040)):
#0  __lll_lock_wait_private () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:97
#1  0x00007f68956c862f in _L_lock_10501 () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f68956c69c1 in __GI___libc_free (mem=0x7f6870000020) at malloc.c:3736
#3  0x00007f6893dfc91e in qMetaTypeDeleteHelper<QDBusMessage> (t=0x1f66010) at ../../include/QtCore/../../src/corelib/kernel/qmetatype.h:134
#4  0x00007f6896091009 in QMetaCallEvent::~QMetaCallEvent (this=0x5a42da0, __in_chrg=<optimized out>) at kernel/qobject.cpp:509
#5  0x00007f6896091069 in QMetaCallEvent::~QMetaCallEvent (this=0x5a42da0, __in_chrg=<optimized out>) at kernel/qobject.cpp:518
#6  0x00007f68960843d3 in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x1ef7220) at kernel/qcoreapplication.cpp:1516
#7  0x00007f68960af773 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#8  postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:279
#9  0x00007f688e0baa5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f688e0bb258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f688e0bb429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f68960afb9f in QEventDispatcherGlib::processEvents (this=0x1ef8b00, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#13 0x00007f689664821e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#14 0x00007f689607f3e2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#15 0x00007f689607f637 in QEventLoop::exec (this=0x7fffbb810390, flags=...) at kernel/qeventloop.cpp:204
#16 0x00007f68960846c7 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#17 0x0000000000402bd3 in main (argc=<optimized out>, argv=<optimized out>) at ../../kmail/main.cpp:145

Possible duplicates by query: bug 295989, bug 295872, bug 295846, bug 295725, bug 295474.

Reported using DrKonqi