Version:            (using Devel)
OS:                Linux
Installed from:    Compiled sources

Kmail (KDE4 RC1) always crashes immediately while opening my IMAP account's inbox folder. I have two IMAP accounts, the crash occurs only on one. Opening the other folders is fine.

Backtrace :
Application : KMail (kmail), signal SIGSEGV
[Current thread is 0 (LWP 26747)]

Thread 3 (Thread 0xb0e76b90 (LWP 26752)):
#0  0xb80d7424 in __kernel_vsyscall ()
#1  0xb6c0df82 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0xb6c8c67c in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#3  0xb6c82be6 in ?? () from /usr/lib/libQtCore.so.4
#4  0x0ae41db0 in ?? ()
#5  0x0ae41dac in ?? ()
#6  0x00007530 in ?? ()
#7  0xb6d5c1b0 in QAbstractEventDispatcher::QAbstractEventDispatcher () from /usr/lib/libQtCore.so.4
#8  0xb6c8b910 in ?? () from /usr/lib/libQtCore.so.4
#9  0x0ae5fe70 in ?? ()
#10 0x00000000 in ?? ()

Thread 2 (Thread 0xb0675b90 (LWP 26753)):
#0  0xb80d7424 in __kernel_vsyscall ()
#1  0xb6c0df82 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0xb6c8c67c in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#3  0xb6c82be6 in ?? () from /usr/lib/libQtCore.so.4
#4  0x0ae41db0 in ?? ()
#5  0x0ae41dac in ?? ()
#6  0x00007530 in ?? ()
#7  0xb6d5c1b0 in QAbstractEventDispatcher::QAbstractEventDispatcher () from /usr/lib/libQtCore.so.4
#8  0xb6c8b910 in ?? () from /usr/lib/libQtCore.so.4
#9  0x0ae44ad8 in ?? ()
#10 0x00000000 in ?? ()

Thread 1 (Thread 0xb44cf980 (LWP 26747)):
[KCrash Handler]
#6  0xb768218d in KMFolderImap::slotListFolderResult () from /usr/lib/libkmailprivate.so.4
#7  0xb768568c in KMFolderImap::qt_metacall () from /usr/lib/libkmailprivate.so.4
#8  0xb6d7782b in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#9  0xb6d77d82 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#10 0xb7c24973 in KJob::result () from /usr/lib/libkdecore.so.5
#11 0xb7c24e19 in KJob::emitResult () from /usr/lib/libkdecore.so.5
#12 0xb6f4e8a5 in KIO::SimpleJob::slotFinished () from /usr/lib/libkio.so.5
#13 0xb6f4e9ee in KIO::ListJob::slotFinished () from /usr/lib/libkio.so.5
#14 0xb6f534d3 in KIO::ListJob::qt_metacall () from /usr/lib/libkio.so.5
#15 0xb6d7782b in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#16 0xb6d77d82 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#17 0xb6fff067 in KIO::SlaveInterface::finished () from /usr/lib/libkio.so.5
#18 0xb7001cbf in KIO::SlaveInterface::dispatch () from /usr/lib/libkio.so.5
#19 0xb6fff677 in KIO::SlaveInterface::dispatch () from /usr/lib/libkio.so.5
#20 0xb6ff1fb0 in KIO::Slave::gotInput () from /usr/lib/libkio.so.5
#21 0xb6ff2323 in KIO::Slave::qt_metacall () from /usr/lib/libkio.so.5
#22 0xb6d7782b in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#23 0xb6d77d82 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#24 0xb6f1c0f7 in KIO::Connection::readyRead () from /usr/lib/libkio.so.5
#25 0xb6f1db13 in KIO::ConnectionPrivate::dequeue () from /usr/lib/libkio.so.5
#26 0xb6f1e166 in KIO::Connection::qt_metacall () from /usr/lib/libkio.so.5
#27 0xb6d7274b in QMetaCallEvent::placeMetaCall () from /usr/lib/libQtCore.so.4
#28 0xb6d742f1 in QObject::event () from /usr/lib/libQtCore.so.4
#29 0xb64dbb1c in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#30 0xb64e1f1e in QApplication::notify () from /usr/lib/libQtGui.so.4
#31 0xb7f3207d in KApplication::notify () from /usr/lib/libkdeui.so.5
#32 0xb6d65fd1 in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#33 0xb6d66929 in QCoreApplicationPrivate::sendPostedEvents () from /usr/lib/libQtCore.so.4
#34 0xb6d66abd in QCoreApplication::sendPostedEvents () from /usr/lib/libQtCore.so.4
#35 0xb6d8c9ff in ?? () from /usr/lib/libQtCore.so.4
#36 0x00000000 in ?? ()