<snipped> I can reproduce this as follows:
1. I'm running Debian Etch with PREEMPT enabled + KDM + fluxbox + Xorg Info: X Window System Version 7.1.1 Release Date: 12 May 2006 X Protocol Version 11, Revision 0, Release 7.1.1 Build Operating System: UNKNOWN Current Operating System: Linux angel4-Etch 2.6.18-4-k7-amm-preempt #1 PREEMPT Sat May 19 14:59:57 CST 2007 i686 (**) | |-->Device "S3 Inc. 86c368 [Trio 3D/2X]" 2. Execute the command: xinit ~/.xinitrc-kde -- `which Xnest` :5 -name KDE -geometry 1024x768 3. Switch desktops a few times with the fluxbox pager 4. The nested X disappears It also happens randomly when I use Xnest + XDMCP. Output: _XSERVTransSocketOpenCOTSServer: Unable to open socket for inet6 _XSERVTransOpen: transport open failed for inet6/angel4-Etch:5 _XSERVTransMakeAllCOTSServerListeners: failed to open listener for inet6 Couldn't get keyboard. Could not init font path element /usr/X11R6/lib/X11/fonts/misc, removing from li st! Could not init font path element /usr/share/fonts/X11/cyrillic, removing from li st! Could not init font path element /usr/X11R6/lib/X11/fonts/Type1, removing from l ist! Could not init font path element /var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueTyp e, removing from list! Xlib: extension "RANDR" missing on display ":5.0". startkde: Starting up... Xlib: extension "XInputExtension" missing on display ":5.0". Failed to get list of devices Xlib: extension "XInputExtension" missing on display ":5.0". Failed to get list of devices kbuildsycoca running... Xlib: extension "XInputExtension" missing on display ":5.0". Failed to get list of devices Xlib: extension "XInputExtension" missing on display ":5.0". Failed to get list of devices Xlib: extension "XInputExtension" missing on display ":5.0". Failed to get list of devices QFont::setPointSize: Point size <= 0 (-3) Xlib: extension "XInputExtension" missing on display ":5.0". Failed to get list of devices Xlib: extension "XInputExtension" missing on display ":5.0". Failed to get list of devices server does not have extension for "r rate" option X Error of failed request: BadMatch (invalid parameter attributes) Major opcode of failed request: 73 (X_GetImage) Serial number of failed request: 8681 Current serial number in output stream: 8681 ksplash: Fatal IO error: client killed kded: Fatal IO error: client killed ksmserver: Fatal IO error: client killed kwin: Fatal IO error: client killed xinit: connection to X server lost. [EMAIL PROTECTED]:~$ kdesktop: Fatal IO error: client killed kdeinit: Fatal IO error: client killed kdeinit: sending SIGHUP to children. kicker: sighandler called kicker: Fatal IO error: client killed klauncher: Exiting on signal 1 kdeinit: sending SIGTERM to children. kdeinit: Exit. Hangup GOT SIGHUP COPClient::attachInternal. Attach failed Could not open network socket DCOPClient::attachInternal. Attach failed Could not open network socket ERROR: Couldn't attach to DCOP server! startkde: Shutting down... Warning: connect() failed: : No such file or directory Error: Can't contact kdeinit! sound server terminated startkde: Running shutdown scripts... xprop: unable to open display ':5' usage: xprop [-options ...] [[format [dformat]] atom] ... where options include: -grammar print out full grammar for command line -display host:dpy the X server to contact -id id resource id of window to examine -name name name of window to examine -font name name of font to examine -remove propname remove a property -set propname value set a property to a given value -root examine the root window -len n display at most n bytes of any property -notype do not display the type field -fs filename where to look for formats for properties -frame don't ignore window manager frames -f propname format [dformat] formats to use for property of given name -spy examine window properties forever startkde: Done. -- Andrew -- Andrew McDonnell B. Eng (CSE) Member, IEEE Member, Australian Computer Society -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]