klauncher crashed with SIGSEGV in __kernel_vsyscall()

[Ugrael]

Binary package hint: kde4libs

upgrade ubuntu 7.10 to 8.04 aplpha 4
before install kde 4.0.0

ProblemType: Crash
Architecture: i386
CrashCounter: 1
Date: Sat Feb 2 21:16:11 2008
DistroRelease: Ubuntu 8.04
ExecutablePath: /usr/lib/kde4/lib/kde4/libexec/klauncher
NonfreeKernelModules: nvidia
Package: kdelibs5 4:4.0.0-0ubuntu5
PackageArchitecture: i386
ProcCmdline: klauncher
ProcCwd: /home/ugrael
ProcEnviron:
 SHELL=/bin/bash
 PATH=/usr/lib/kde4/bin:/usr/lib/kde4/bin/:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
 LANG=ru_RU.UTF-8
Signal: 11
SourcePackage: kde4libs
StacktraceTop:
 __kernel_vsyscall ()
 poll () from /lib/tls/i686/cmov/libc.so.6
 ?? () from /usr/lib/libglib-2.0.so.0
 ?? ()
 ?? ()
Title: klauncher crashed with SIGSEGV in __kernel_vsyscall()
Uname: Linux ugrael-laptop 2.6.24-5-generic #1 SMP Thu Jan 24 19:45:21 UTC 2008 i686 GNU/Linux
UserGroups: adm admin audio cdrom dialout dip floppy lpadmin netdev plugdev powerdev scanner video

[Apport retracing service (apport)]

StacktraceTop:__kernel_vsyscall ()
poll () from /lib/tls/i686/cmov/libc.so.6
g_main_context_iterate (context=0x805ac98, block=1, dispatch=1, self=0x8058290)
IA__g_main_context_iteration (context=0x805ac98, may_block=1)
QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4