Package: xscreensaver
Version: 5.03-2
Severity: critical
Justification: causes serious data loss


Ever since switching to a Dell flat-screen (2007FPb - I was previously
using a CRT) I've experienced a problem where:
 * I lock my X session,
 * I switch to a virtual console (Ctrl-Alt-F1, etc.), which (because I
   touched the keyboard) provokes the password dialog to come up,
 * I don't switch back to the X display before the password dialog
   times out,
 * when I *do* switch back to the X display, my X session dies.

Note that the X session is still up and running *before* I Ctrl+Alt+F7
back to try to resume it (as revealed by ps in my virtual console, and
by the time-stamp on my .xsession-error).
My .xsession-errors ends in: <quote>

X connection to :0.0 broken (explicit kill or server shutdown).
Gdk-ERROR **: Fatal IO error 104 (Connection reset by peer) on X server :0.0.
X connection to :0.0 broken (explicit kill or server shutdown).
Xlib: connection to ":0.0" refused by server
Xlib: Invalid XDM-AUTHORIZATION-1 key (failed key comparison)
Error: Can't open display
Exiting from getDisplay.cpp at line 47

</quote>

If I hold Ctrl+Alt until the blue time-out bar has all gone away, in
the password dialog, and hit F5 while the "authentication failed"
dialog is displayed, the X session dies.  Holding Ctrl+Alt a bit
longer, until even this dialog has gone, *then* hitting F5 changes
console for me, without hurting the X session.

Leaving the X session unlocked, switching to a virtual console and
remaining there until the screen-saver locks the screen due to its
usual time-outs doesn't provoke the problem.  If I lock my X session
by selecting the relevant root-window menu item and quickly (before
the lock has come into force, so that the password dialog doesn't get
activated) Ctrl+Alt+F5 away, the X session survives.

Usually, xdm manages to start a new X session after mine has died, but
not always.  When it doesn't, Ctrl+Alt+F7 shows me

INIT: version 2.86 reloading

Naturally, applications that I've left active in my X session get
hosed by the X session's death, taking with them any unsaved data;
hence the "data loss" category for this bug.

It's not clear to me which of several pieces of software is the culprit.
I'm using fvwm as my window manager and xscreensaver as screen saver.
The root window within fvwm is displaying xplanet.
The virtual consoles run getty; the X session is managed by xdm.
However, xscreensaver's password prompt seems pivotal.

-- System Information:
Debian Release: lenny/sid
  APT prefers testing
  APT policy: (500, 'testing'), (500, 'stable')
Architecture: i386 (i686)

Kernel: Linux 2.6.21-2-686 (SMP w/2 CPU cores)
Locale: LANG=en_GB.ISO-8859-15, LC_CTYPE=en_GB.ISO-8859-15 (charmap=ISO-8859-15)
Shell: /bin/sh linked to /bin/bash

Versions of packages xscreensaver depends on:
ii  libatk1.0-0                1.20.0-1      The ATK accessibility toolkit
ii  libc6                      2.6.1-1+b1    GNU C Library: Shared libraries
ii  libcairo2                  1.4.10-1      The Cairo 2D vector graphics libra
ii  libfontconfig1             2.4.2-1.2     generic font configuration library
ii  libglade2-0                1:2.6.2-1     library to load .glade files at ru
ii  libglib2.0-0               2.14.0-2      The GLib library of C routines
ii  libgtk2.0-0                2.10.13-1     The GTK+ graphical user interface 
ii  libice6                    2:1.0.4-1     X11 Inter-Client Exchange library
ii  libjpeg62                  6b-14         The Independent JPEG Group's JPEG 
ii  libpam0g                   0.99.7.1-4    Pluggable Authentication Modules l
ii  libpango1.0-0              1.18.2-1      Layout and rendering of internatio
ii  libsm6                     2:1.0.3-1+b1  X11 Session Management library
ii  libx11-6                   2:1.0.3-7     X11 client-side library
ii  libxcursor1                1:1.1.9-1     X cursor management library
ii  libxext6                   1:1.0.3-2     X11 miscellaneous extension librar
ii  libxfixes3                 1:4.0.3-2     X11 miscellaneous 'fixes' extensio
ii  libxi6                     2:1.1.3-1     X11 Input extension library
ii  libxinerama1               1:1.0.2-1     X11 Xinerama extension library
ii  libxml2                    2.6.30.dfsg-2 GNOME XML library
ii  libxmu6                    1:1.0.3-1     X11 miscellaneous utility library
ii  libxpm4                    1:3.5.7-1     X11 pixmap library
ii  libxrandr2                 2:1.2.2-1     X11 RandR extension library
ii  libxrender1                1:0.9.4-1     X Rendering Extension client libra
ii  libxt6                     1:1.0.5-3     X11 toolkit intrinsics library
ii  libxxf86misc1              1:1.0.1-2     X11 XFree86 miscellaneous extensio
ii  libxxf86vm1                1:1.0.1-2     X11 XFree86 video mode extension l
ii  netpbm                     2:10.0-11     Graphics conversion tools

Versions of packages xscreensaver recommends:
pn  libjpeg-progs          <none>            (no description available)
ii  miscfiles [wordlist]   1.4.2.dfsg.1-7    Dictionaries and other interesting
ii  perl [perl5]           5.8.8-7           Larry Wall's Practical Extraction 
ii  wbritish [wordlist]    6-2.1             British English dictionary words f
ii  wbritish-huge [wordlis 6-2.1             British English dictionary words f
ii  wnorwegian [wordlist]  2.0.9-1           Norwegian wordlist
ii  xli                    1.17.0+20061110-1 command line tool for viewing imag

-- no debconf information



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