Application: kontact (4.10.5)
KDE Platform Version: 4.10.5
Qt Version: 4.8.4
Operating System: Linux 3.8.0-29-lowlatency x86_64
Distribution: Ubuntu 13.04

-- Information about the crash:
Kmail was just updating a folder when I quit Kontact, and it crashed.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fb277d287c0 (LWP 3879))]

Thread 4 (Thread 0x7fb258ded700 (LWP 3880)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fb2744bb575 in WTF::TCMalloc_PageHeap::scavengerThread() () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007fb2744bb5c9 in WTF::TCMalloc_PageHeap::runScavengerThread(void*) () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007fb26ef10f8e in start_thread (arg=0x7fb258ded700) at pthread_create.c:311
#4  0x00007fb2752b3e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7fb2184ea700 (LWP 3881)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fb2742019f9 in JSC::BlockAllocator::blockFreeingThreadMain() () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007fb2744e9cde in WTF::wtfThreadEntryPoint(void*) () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007fb26ef10f8e in start_thread (arg=0x7fb2184ea700) at pthread_create.c:311
#4  0x00007fb2752b3e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7fb20ad7c700 (LWP 3885)):
#0  0x00007fb26e88d1f9 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fb26e88d979 in g_private_get () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb26e872390 in g_thread_self () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb26e84e2f5 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fb2766d9036 in QEventDispatcherGlib::processEvents (this=0x7fb2040008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00007fb2766a938f in QEventLoop::processEvents (this=this@entry=0x7fb20ad7bdc0, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007fb2766a9618 in QEventLoop::exec (this=this@entry=0x7fb20ad7bdc0, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007fb2765ab410 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#8  0x00007fb2765adbec in QThreadPrivate::start (arg=0x17010d0) at thread/qthread_unix.cpp:338
#9  0x00007fb26ef10f8e in start_thread (arg=0x7fb20ad7c700) at pthread_create.c:311
#10 0x00007fb2752b3e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7fb277d287c0 (LWP 3879)):
[KCrash Handler]
#6  0x00007fb2772030ce in KWallet::Wallet::openWallet (name=..., w=w@entry=90177556, ot=ot@entry=KWallet::Wallet::Synchronous) at ../../kdeui/util/kwallet.cpp:496
#7  0x00007fb216049079 in MailTransport::TransportManager::wallet (this=0x1b96b40) at ../../mailtransport/transportmanager.cpp:583
#8  0x00007fb216043aad in MailTransport::Transport::readPassword (this=0x1cb9560) at ../../mailtransport/transport.cpp:305
#9  0x00007fb2766c45be in QObject::event (this=0x1cb9560, e=<optimized out>) at kernel/qobject.cpp:1194
#10 0x00007fb275a508ec in QApplicationPrivate::notify_helper (this=this@entry=0x16f7430, receiver=receiver@entry=0x1cb9560, e=e@entry=0x2090ea0) at kernel/qapplication.cpp:4567
#11 0x00007fb275a5325b in QApplication::notify (this=this@entry=0x7fffe42f4cf0, receiver=receiver@entry=0x1cb9560, e=e@entry=0x2090ea0) at kernel/qapplication.cpp:4428
#12 0x00007fb2770f31a6 in KApplication::notify (this=0x7fffe42f4cf0, receiver=0x1cb9560, event=0x2090ea0) at ../../kdeui/kernel/kapplication.cpp:311
#13 0x00007fb2766aa63e in QCoreApplication::notifyInternal (this=0x7fffe42f4cf0, receiver=receiver@entry=0x1cb9560, event=event@entry=0x2090ea0) at kernel/qcoreapplication.cpp:946
#14 0x00007fb2766ae171 in sendEvent (event=0x2090ea0, receiver=0x1cb9560) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#15 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x16ac6a0) at kernel/qcoreapplication.cpp:1570
#16 0x00007fb2766ae4a3 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1463
#17 0x00007fb2766d8e83 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#18 postEventSourceDispatch (s=0x16f1c70) at kernel/qeventdispatcher_glib.cpp:279
#19 0x00007fb26e84df05 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007fb26e84e248 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007fb26e84e304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007fb2766d9016 in QEventDispatcherGlib::processEvents (this=0x16adb60, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#23 0x00007fb275af61ae in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#24 0x00007fb2766a938f in QEventLoop::processEvents (this=this@entry=0x7fffe42f4b60, flags=...) at kernel/qeventloop.cpp:149
#25 0x00007fb2766a9618 in QEventLoop::exec (this=this@entry=0x7fffe42f4b60, flags=...) at kernel/qeventloop.cpp:204
#26 0x00007fb2766aecf6 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#27 0x00007fb275a4effc in QApplication::exec () at kernel/qapplication.cpp:3828
#28 0x00000000004033a9 in main (argc=1, argv=0x7fffe42f4e38) at ../../../kontact/src/main.cpp:219

Possible duplicates by query: bug 312376, bug 312303, bug 309337, bug 308076, bug 305900.

Reported using DrKonqi