Version:           1.11.1 (using 4.2.1 (KDE 4.2.1) "release 104", KDE:KDE4:Factory:Desktop / openSUSE_11.1)
Compiler:          gcc
OS:                Linux (x86_64) release 2.6.27.19-3.2-default

Last time my kontact freezes very often If I select an imap folder!

konsole means:
...
kontact(4433)/kmail KMMsgDict::readFolderIds: Found serial number zero at index 135 in folder "/home/sts/.kde4/share/apps/kmail/imap/.888301964.directory/.INBOX.index.ids"
kontact(4433)/kmail KMMsgDict::readFolderIds: Found serial number zero at index 136 in folder "/home/sts/.kde4/share/apps/kmail/imap/.888301964.directory/.INBOX.index.ids"
kontact(4433)/kmail KMMsgDict::readFolderIds: Found serial number zero at index 137 in folder "/home/sts/.kde4/share/apps/kmail/imap/.888301964.directory/.INBOX.index.ids"
QPainter::begin: Widget painting can only begin as a result of a paintEvent
QPainter::setWorldTransform: Painter not active
QPainter::setFont: Painter not active
QPainter::setFont: Painter not active
kontact(4433)/kmail KMReaderWin::message: Attempt to reference invalid serial number 132351
kontact(4433)/kmail KMReaderWin::message: Attempt to reference invalid serial number 132349
kontact(4433)/kmail KMReaderWin::message: Attempt to reference invalid serial number 132450
QPainter::begin: Widget painting can only begin as a result of a paintEvent
QPainter::setWorldTransform: Painter not active
QGpgMEProgressTokenMapper::map( "-&61" 63 )
QGpgMEProgressTokenMapper::map( "-&61" 63 )
QGpgMEProgressTokenMapper::map( "-" 63 )
QGpgMEProgressTokenMapper::map( "-" 63 )