Version:            (using KDE KDE 3.5.5)
Installed from:    Ubuntu Packages
Compiler:          gcc 4.0.3-1(dapper) g++ 4.0.3-1(dapper) 
OS:                Linux

After I updated to KDE 3.5.5 some kcmshell modules like 'system settings', 'users&groups', 'system services', 'disks&filesystems' and 'display', start crashing with the crash handler signal 11 (SIGSEGV).

Here there is a console output for this:
---start---
###@ubuntu:~$ kcmshell userconfig
X Error: BadDevice, invalid or uninitialized input device 157
  Major opcode:  148
  Minor opcode:  3
  Resource id:  0x0
Failed to open device
X Error: BadDevice, invalid or uninitialized input device 157
  Major opcode:  148
  Minor opcode:  3
  Resource id:  0x0
Failed to open device
kio (KSycoca): Trying to open ksycoca from /var/tmp/kdecache-volobuiev/ksycoca
kutils (KCMultiDialog): KCMultiDialog::addModule Users & Groups
kutils (KCModuleProxy): [void KCModuleProxy::init(const KCModuleInfo&)]
kutils (KCMultiDialog): [void KCMultiDialog::slotAboutToShow(QWidget*)]
kutils (KCModuleProxy): [KCModule* KCModuleProxy::realModule() const]
kutils (KCModuleProxy): Module not already loaded, loading module


Pythonize constructor -- pid = 9016
Python interpreter initialized!

kdecore (KLibLoader): Loading the next library global with flag 257.
kdecore (KLibLoader): library libpython2.4.so not found under 'module' but under 'lib'


Pythonize constructor -- pid = 9016
KCrash: crashing... crashRecursionCounter = 2
KCrash: Application Name = kcmshell path = <unknown> pid = 9016
---end---

I used this repository for the update:
http://kubuntu.org/packages/kde-355/ dapper main 

Operating system: KUbuntu Dapper 6.06.1. Processor: amd64 3200+