> We have LTSP deployed in about 30 different locations, deployment was
> completed about 6 weeks ago.  Since deployment we've been getting
> complaints that users "get logged out".  I believe that what is happening
> is that the X server is getting crashing/resetting.

Only working from brief experience here, not your diagnostics...

I had the same problem, and it turned out it was the memory. Symptoms was that 
the clients would log out when doing graphics-memory intensive tasks, such as 
looking on a several-MB JPG someone mailed them through Hotmail etc.

The solution was to turn on swap over the network, and the problem completely 
disappeared. I suggest you just try that and see if that fixes the problem. 
(To reproduce, watch some big pictures in a browser).

Yes, it is a slow solution, but most of the times it isn't used (as you say, 
some clients have uptimes for weeks on 64 MB), and better to have a little 
more network load than users getting logged out and ending up not trusting 
the system.

// Dag Sverre



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