Application: kmail (4.8.3)
KDE Platform Version: 4.8.3 (4.8.3)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-25-generic x86_64
Distribution: Ubuntu 12.04 LTS

-- Information about the crash:
Experiencing troubles with IMAP account :
Popup with Connection lost
Then click ok 
The a crash occured when click on a IMAP folder

-- 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 0x7fa5f8fb57c0 (LWP 2089))]

Thread 4 (Thread 0x7fa5d6a2a700 (LWP 2093)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fa5eb297dec in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007fa5eb297f19 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007fa5f3dcfe9a in start_thread (arg=0x7fa5d6a2a700) at pthread_create.c:308
#4  0x00007fa5f63004bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fa5d6111700 (LWP 2094)):
#0  0x00007fa5f62f4b03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fa5eeba4036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa5eeba4164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa5f6c8b426 in QEventDispatcherGlib::processEvents (this=0x7fa5d00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007fa5f6c5ac82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fa5f6c5aed7 in QEventLoop::exec (this=0x7fa5d6110dc0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007fa5f6b59fa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007fa5f6b5cfcb in QThreadPrivate::start (arg=0x20b3d70) at thread/qthread_unix.cpp:298
#8  0x00007fa5f3dcfe9a in start_thread (arg=0x7fa5d6111700) at pthread_create.c:308
#9  0x00007fa5f63004bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fa58ef09700 (LWP 2100)):
#0  0x00007fa5f3dd1f69 in __pthread_mutex_lock (mutex=0x7fa580000a60) at pthread_mutex_lock.c:92
#1  0x00007fa5eebdf5a1 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa5eeba3337 in g_main_context_release () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa5eeba3fe9 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fa5eeba4164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fa5f6c8b426 in QEventDispatcherGlib::processEvents (this=0x7fa5800008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007fa5f6c5ac82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007fa5f6c5aed7 in QEventLoop::exec (this=0x7fa58ef08d90, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007fa5f6b59fa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#9  0x00007fa5f6c3a9ff in QInotifyFileSystemWatcherEngine::run (this=0x2573960) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00007fa5f6b5cfcb in QThreadPrivate::start (arg=0x2573960) at thread/qthread_unix.cpp:298
#11 0x00007fa5f3dcfe9a in start_thread (arg=0x7fa58ef09700) at pthread_create.c:308
#12 0x00007fa5f63004bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fa5f8fb57c0 (LWP 2089)):
[KCrash Handler]
#6  QNetworkAccessHttpBackend::replyDownloadMetaData (this=0x32e1e90, hm=..., sc=<optimized out>, rp=..., pu=<optimized out>, db=..., contentLength=-1) at access/qnetworkaccesshttpbackend.cpp:827
#7  0x00007fa5f5335709 in QNetworkAccessHttpBackend::qt_static_metacall (_o=0x32e1e90, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at .moc/release-shared/moc_qnetworkaccesshttpbackend_p.cpp:91
#8  0x00007fa5f6c75446 in QObject::event (this=0x32e1e90, e=<optimized out>) at kernel/qobject.cpp:1195
#9  0x00007fa5f717e894 in notify_helper (e=0x7fa56800ba50, receiver=0x32e1e90, this=0x1b2cef0) at kernel/qapplication.cpp:4559
#10 QApplicationPrivate::notify_helper (this=0x1b2cef0, receiver=0x32e1e90, e=0x7fa56800ba50) at kernel/qapplication.cpp:4531
#11 0x00007fa5f7183713 in QApplication::notify (this=0x7fff10faefa0, receiver=0x32e1e90, e=0x7fa56800ba50) at kernel/qapplication.cpp:4420
#12 0x00007fa5f89b8bb6 in KApplication::notify (this=0x7fff10faefa0, receiver=0x32e1e90, event=0x7fa56800ba50) at ../../kdeui/kernel/kapplication.cpp:311
#13 0x00007fa5f6c5be9c in QCoreApplication::notifyInternal (this=0x7fff10faefa0, receiver=0x32e1e90, event=0x7fa56800ba50) at kernel/qcoreapplication.cpp:876
#14 0x00007fa5f6c5fc6a in sendEvent (event=0x7fa56800ba50, receiver=0x32e1e90) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#15 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x1ad0220) at kernel/qcoreapplication.cpp:1500
#16 0x00007fa5f6c8af93 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#17 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:279
#18 0x00007fa5eeba3d53 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007fa5eeba40a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007fa5eeba4164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007fa5f6c8b3bf in QEventDispatcherGlib::processEvents (this=0x1ad1b00, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#22 0x00007fa5f7226d5e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#23 0x00007fa5f6c5ac82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#24 0x00007fa5f6c5aed7 in QEventLoop::exec (this=0x7fff10faee80, flags=...) at kernel/qeventloop.cpp:204
#25 0x00007fa5f6c5ff67 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#26 0x0000000000402bd3 in main (argc=<optimized out>, argv=<optimized out>) at ../../kmail/main.cpp:145

Possible duplicates by query: bug 302174, bug 302020, bug 301840, bug 301561, bug 301377.

Reported using DrKonqi