Bug#583946: xdm prevents xscreensaver daemon starting (except during the first session).

[Nigel Tamplin <fuse@f2s.com>]

Package: xdm
Version: 1:1.1.8-5
Severity: normal

If you use xdm as your display manager the xscreensaver daemon can only be started during the first session.

To reproduce:

1) Boot machine to xdm greeter.
2) Log in via xdm - during this session the xscreensaver daemon can be started and stopped ok
3) Log out, returning to xdm greeter screen
4) Log in via xdm - during this (and subsequent sessions) the xsceensaver daemon cannot 
be started.

If attempting to starting via xscreensaver-demo the error message is:

"
Error:

The xscreensaver daemon did not start up properly.

Please check your $PATH and permissions.
"

This problem does not occur if using gdm instead of xdm.


-- System Information:
Debian Release: 5.0.4
  APT prefers stable
  APT policy: (500, 'stable')
Architecture: i386 (i686)

Kernel: Linux 2.6.26-2-686 (SMP w/1 CPU core)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages xdm depends on:
ii  cpp                       4:4.3.2-2      The GNU C preprocessor (cpp)
ii  debconf [debconf-2.0]     1.5.24         Debian configuration management sy
ii  libc6                     2.7-18lenny2   GNU C Library: Shared libraries
ii  libice6                   2:1.0.4-1      X11 Inter-Client Exchange library
ii  libpam0g                  1.0.1-5+lenny1 Pluggable Authentication Modules l
ii  libselinux1               2.0.65-5       SELinux shared libraries
ii  libsm6                    2:1.0.3-2      X11 Session Management library
ii  libx11-6                  2:1.1.5-2      X11 client-side library
ii  libxau6                   1:1.0.3-3      X11 authorisation library
ii  libxaw7                   2:1.0.4-2      X11 Athena Widget library
ii  libxdmcp6                 1:1.0.2-3      X11 Display Manager Control Protoc
ii  libxext6                  2:1.0.4-1      X11 miscellaneous extension librar
ii  libxft2                   2.1.12-3       FreeType-based font drawing librar
ii  libxinerama1              2:1.0.3-2      X11 Xinerama extension library
ii  libxmu6                   2:1.0.4-1      X11 miscellaneous utility library
ii  libxpm4                   1:3.5.7-1      X11 pixmap library
ii  libxrender1               1:0.9.4-2      X Rendering Extension client libra
ii  libxt6                    1:1.0.5-3      X11 toolkit intrinsics library
ii  lsb-base                  3.2-20         Linux Standard Base 3.2 init scrip
ii  x11-common                1:7.3+20       X Window System (X.Org) infrastruc
ii  x11-utils                 7.3+2+nmu1     X11 utilities
ii  xbase-clients             1:7.3+20       miscellaneous X clients - metapack

xdm recommends no packages.

Versions of packages xdm suggests:
pn  sessreg | xutils              <none>     (no description available)

-- debconf information:
  xdm/stop_running_server_with_children: false
  xdm/daemon_name: /usr/bin/xdm
* shared/default-x-display-manager: gdm