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Re: [K12OSN] twitchy jumpy video on k12ltsp client

On Mon, Dec 09, 2002 at 01:57:23PM -0600, Richard Ingalls wrote:
> what would cause the video display to be twitchy on the clients?  i notice that the more i move the mouse the more it twitches (mouse is ps/2 - could i use a serial mouse?).  i checked the k12ltsp.org site, and saw the solution for attaching a CD-ROM, but that hasn't solved it for me.  any ideas?
> server: PIII-533Mhz, 320 Mb Ram, video card: SiS 6326 3d Pro 8Mb

Video card on server is irrelevant.

> client: Pent. 75Mhz, 48 Mb Ram, floppy boot, ps/2 mouse

Give us the video card on the clients, and what XServer they are
configured to run (the lines in /opt/ltsp/i386/etc/lts.conf that
contains the word "XSERVER").

Also of good use in trouble-shooting could be the log-files of X on
the terminals, but they might be hard to get (only to be found in the
ram of the clients). One trick here is to export a NFS share to the
clients, configure one of them to runlevel 3 (in lts.conf) and set
NFS_SWAP to N for that terminal, and then on the terminal 

* manually mount that NFS share
* start X with /tmp/start_ws
* kill X with Ctrl-alt-backspace
* copy the log file of X, /var/log/X, to the NFS share

Then you can access the log-file from the server (and mail it to the

Hans Ekbrand (http://sociologi.cjb.net) <hans sociologi cjb net>
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