Application: kmail (4.8.2)
KDE Platform Version: 4.8.2 (4.8.2)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-24-generic x86_64
Distribution: Ubuntu 12.04 LTS

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

KMail crashed when I was deleteing e-mails one by one. It's hapeing every single time when I did this

The crash can be reproduced some of the time.

-- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f1d47ccb7c0 (LWP 2961))]

Thread 10 (Thread 0x7f1d29070700 (LWP 2964)):
#0  0x00007f1d45012b03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f1d3d8c7ff6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1d3d8c845a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1d2abde2c6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f1d3d8e99a5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1d42aede9a in start_thread (arg=0x7f1d29070700) at pthread_create.c:308
#6  0x00007f1d4501e4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 9 (Thread 0x7f1d19a1a700 (LWP 2969)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f1d39fbbdec in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007f1d39fbbf19 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007f1d42aede9a in start_thread (arg=0x7f1d19a1a700) at pthread_create.c:308
#4  0x00007f1d4501e4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7f1d19109700 (LWP 2970)):
#0  0x00007f1d3d903584 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f1d3d8c7fa9 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1d3d8c8124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1d459a9426 in QEventDispatcherGlib::processEvents (this=0x7f1d140008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f1d45978c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f1d45978ed7 in QEventLoop::exec (this=0x7f1d19108dc0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f1d45877fa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f1d4587afcb in QThreadPrivate::start (arg=0x1906460) at thread/qthread_unix.cpp:298
#8  0x00007f1d42aede9a in start_thread (arg=0x7f1d19109700) at pthread_create.c:308
#9  0x00007f1d4501e4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7f1ccbfff700 (LWP 2975)):
#0  0x00007fff959ff70c in ?? ()
#1  0x00007fff959ff959 in ?? ()
#2  0x00007f1d3c94515d in __GI_clock_gettime (clock_id=<optimized out>, tp=<optimized out>) at ../sysdeps/unix/clock_gettime.c:116
#3  0x00007f1d458d1bb4 in do_gettime (frac=0x7f1ccbffeb58, sec=0x7f1ccbffeb50) at tools/qelapsedtimer_unix.cpp:123
#4  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#5  0x00007f1d459a9b8d in QTimerInfoList::updateCurrentTime (this=0x7f1cc4001420) at kernel/qeventdispatcher_unix.cpp:343
#6  0x00007f1d459a9ec3 in QTimerInfoList::timerWait (this=0x7f1cc4001420, tm=...) at kernel/qeventdispatcher_unix.cpp:450
#7  0x00007f1d459a897c in timerSourcePrepareHelper (src=<optimized out>, timeout=0x7f1ccbffec2c) at kernel/qeventdispatcher_glib.cpp:136
#8  0x00007f1d459a8a25 in timerSourcePrepare (source=<optimized out>, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#9  0x00007f1d3d8c771e in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f1d3d8c7f1b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f1d3d8c8124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f1d459a9426 in QEventDispatcherGlib::processEvents (this=0x7f1cc40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#13 0x00007f1d45978c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#14 0x00007f1d45978ed7 in QEventLoop::exec (this=0x7f1ccbffed90, flags=...) at kernel/qeventloop.cpp:204
#15 0x00007f1d45877fa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#16 0x00007f1d459589ff in QInotifyFileSystemWatcherEngine::run (this=0x1e3faf0) at io/qfilesystemwatcher_inotify.cpp:248
#17 0x00007f1d4587afcb in QThreadPrivate::start (arg=0x1e3faf0) at thread/qthread_unix.cpp:298
#18 0x00007f1d42aede9a in start_thread (arg=0x7f1ccbfff700) at pthread_create.c:308
#19 0x00007f1d4501e4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#20 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7f1ccb7fe700 (LWP 2997)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:215
#1  0x00007f1d4587b43f in wait (time=30000, this=0x1d1e640) at thread/qwaitcondition_unix.cpp:84
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1d1e5e8, time=30000) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f1d4586e5bf in QThreadPoolThread::run (this=0x1d31e20) at concurrent/qthreadpool.cpp:141
#4  0x00007f1d4587afcb in QThreadPrivate::start (arg=0x1d31e20) at thread/qthread_unix.cpp:298
#5  0x00007f1d42aede9a in start_thread (arg=0x7f1ccb7fe700) at pthread_create.c:308
#6  0x00007f1d4501e4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f1d23fff700 (LWP 2999)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:215
#1  0x00007f1d4587b43f in wait (time=30000, this=0x7f1ccc00f970) at thread/qwaitcondition_unix.cpp:84
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x7f1ccc00f918, time=30000) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f1d4586e5bf in QThreadPoolThread::run (this=0x7f1ccc00fc10) at concurrent/qthreadpool.cpp:141
#4  0x00007f1d4587afcb in QThreadPrivate::start (arg=0x7f1ccc00fc10) at thread/qthread_unix.cpp:298
#5  0x00007f1d42aede9a in start_thread (arg=0x7f1d23fff700) at pthread_create.c:308
#6  0x00007f1d4501e4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f1cc3fff700 (LWP 3000)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:215
#1  0x00007f1d4587b43f in wait (time=30000, this=0x7f1ccc00f970) at thread/qwaitcondition_unix.cpp:84
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x7f1ccc00f918, time=30000) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f1d4586e5bf in QThreadPoolThread::run (this=0x7f1ccc013b50) at concurrent/qthreadpool.cpp:141
#4  0x00007f1d4587afcb in QThreadPrivate::start (arg=0x7f1ccc013b50) at thread/qthread_unix.cpp:298
#5  0x00007f1d42aede9a in start_thread (arg=0x7f1cc3fff700) at pthread_create.c:308
#6  0x00007f1d4501e4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f1cc2ffd700 (LWP 3002)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:215
#1  0x00007f1d4587b43f in wait (time=30000, this=0x7f1ccc00f970) at thread/qwaitcondition_unix.cpp:84
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x7f1ccc00f918, time=30000) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f1d4586e5bf in QThreadPoolThread::run (this=0x7f1ccc01be80) at concurrent/qthreadpool.cpp:141
#4  0x00007f1d4587afcb in QThreadPrivate::start (arg=0x7f1ccc01be80) at thread/qthread_unix.cpp:298
#5  0x00007f1d42aede9a in start_thread (arg=0x7f1cc2ffd700) at pthread_create.c:308
#6  0x00007f1d4501e4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f1cd1fbf700 (LWP 3044)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:215
#1  0x00007f1d4587b43f in wait (time=30000, this=0x210e2a0) at thread/qwaitcondition_unix.cpp:84
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x210e248, time=30000) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f1d4586e5bf in QThreadPoolThread::run (this=0x210f390) at concurrent/qthreadpool.cpp:141
#4  0x00007f1d4587afcb in QThreadPrivate::start (arg=0x210f390) at thread/qthread_unix.cpp:298
#5  0x00007f1d42aede9a in start_thread (arg=0x7f1cd1fbf700) at pthread_create.c:308
#6  0x00007f1d4501e4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f1d47ccb7c0 (LWP 2961)):
[KCrash Handler]
#6  QNetworkAccessHttpBackend::replyDownloadMetaData (this=0x35a1770, hm=..., sc=<optimized out>, rp=..., pu=<optimized out>, db=..., contentLength=-1) at access/qnetworkaccesshttpbackend.cpp:827
#7  0x00007f1d44053709 in QNetworkAccessHttpBackend::qt_static_metacall (_o=0x35a1770, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at .moc/release-shared/moc_qnetworkaccesshttpbackend_p.cpp:91
#8  0x00007f1d45993446 in QObject::event (this=0x35a1770, e=<optimized out>) at kernel/qobject.cpp:1195
#9  0x00007f1d45e9c894 in notify_helper (e=0x7f1ca80153a0, receiver=0x35a1770, this=0x15c7670) at kernel/qapplication.cpp:4559
#10 QApplicationPrivate::notify_helper (this=0x15c7670, receiver=0x35a1770, e=0x7f1ca80153a0) at kernel/qapplication.cpp:4531
#11 0x00007f1d45ea1713 in QApplication::notify (this=0x7fff95948c20, receiver=0x35a1770, e=0x7f1ca80153a0) at kernel/qapplication.cpp:4420
#12 0x00007f1d476d5b46 in KApplication::notify (this=0x7fff95948c20, receiver=0x35a1770, event=0x7f1ca80153a0) at ../../kdeui/kernel/kapplication.cpp:311
#13 0x00007f1d45979e9c in QCoreApplication::notifyInternal (this=0x7fff95948c20, receiver=0x35a1770, event=0x7f1ca80153a0) at kernel/qcoreapplication.cpp:876
#14 0x00007f1d4597dc6a in sendEvent (event=0x7f1ca80153a0, receiver=0x35a1770) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#15 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x156f220) at kernel/qcoreapplication.cpp:1500
#16 0x00007f1d459a8f93 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#17 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:279
#18 0x00007f1d3d8c7c9a in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007f1d3d8c8060 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f1d3d8c8124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f1d459a93bf in QEventDispatcherGlib::processEvents (this=0x1570b00, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#22 0x00007f1d45f44d5e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#23 0x00007f1d45978c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#24 0x00007f1d45978ed7 in QEventLoop::exec (this=0x7fff95948b00, flags=...) at kernel/qeventloop.cpp:204
#25 0x00007f1d4597df67 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#26 0x0000000000402bd3 in main (argc=<optimized out>, argv=<optimized out>) at ../../kmail/main.cpp:145

This bug may be a duplicate of or related to bug 286307.

Possible duplicates by query: bug 300423, bug 299923, bug 299817, bug 299807, bug 299769.

Reported using DrKonqi