[Bug 178242] KDM doesn't work in XDMCP mode

[Maxim Levitsky]

Public bug reported:

Binary package hint: kdm

KDM crashes, if I connect to it via XDMCP (I use Xephyr)

It shows the login screen,, then I enter username/password, and then it gets back to
password prompt.

Looking at dmesg, shows (I use 2.6.24-rc6 vanilla kernel, and have no trouble with it)
Although it seems that apport doesn't work:

[ 4900.558350] kdm[8773]: segfault at 00000000 eip b7d04fb3 esp bf931d9c
error 4

Trying to gdb the relevant kdm proccess (I used htop to figure it out)
shows this:

Program received signal SIGSEGV, Segmentation fault.
0xb7d04fb3 in strlen () from /lib/tls/i686/cmov/libc.so.6
(gdb) bt
#0  0xb7d04fb3 in strlen () from /lib/tls/i686/cmov/libc.so.6
#1  0xb7e21106 in ?? () from /usr/lib/libdbus-1.so.3
#2  0x00000000 in ?? ()
(gdb)

Steps to reproduce:

1) Enable XDMCP by editing

/etc/kde3/kdm/kdmrc:
[Xdmcp]
Enable=true

And  in
/etc/kde3/kdm/Xaccess, uncomment:
*					#any host can get a login window
*		CHOOSER BROADCAST	#any indirect host can get a chooser

2)  Try to connect to the host via XDMCP
Like Xnest -broadcast :1

System running latest hardy.

** Affects: kdebase (Ubuntu)
     Importance: Undecided
         Status: New

-- 
KDM doesn't work in XDMCP mode
https://bugs.launchpad.net/bugs/178242
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