[Bug 157103] New: XDMCP login doesn't work

[Stephan Weber]

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http://bugs.kde.org/show_bug.cgi?id=157103         
           Summary: XDMCP login doesn't work
           Product: kde
           Version: unspecified
          Platform: Ubuntu Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: unassigned-bugs kde org
        ReportedBy: Stephan_Weber gmx de


Version:            (using KDE 4.0.0)
Installed from:    Ubuntu Packages
OS:                Linux

After installation of KDE 4 on Kubuntu everything works as expected. Local logins are no problem, just enter user/password in kdm and you're welcomed with the new splash screen.
If you try to login from a different machine (e.g. using Xming) you see the KDM login screen and it is possible to enter user/password.
But after a few seconds the X server crashes and returns to KDM login screen.

In /var/log/syslog there is an entry:
kdm[xxxx]: Unknown session exit code 0 (sig 11) from manager process

Summary:
Local login just works fine, remote login using XDMCP fails.