[FreeNX-kNX] More Trouble with NX 4 Client -> FreeNX

[Nick Couchman]

Several months ago I posted on connection issues I'm having with NoMachine 4 clients connecting to FreeNX (NX 3.5) servers.  I continue to have these issues, and, for various reasons, am still trying to get it to work (rather than pursuing options like X2Go).  It's a long story, but I really would like to get this working.

The issue I'm having is that the connections from NX 4 clients to FreeNX work about 1 out of every 10 tries.  The rest of the time, the connections fail.  There's something in the start-up/negotiation of the session that is causing problems.  The last time I asked about this all I had was the error "Failure to negotiate at stage '10'" or something along those lines.  I've managed to make a little more progress in tracking down the problem.  The problem appears to be with nxagent and/or nxproxy shutting down prematurely.  Since this only happens with NX 4.0 clients, I can only assume that something timing-wise or one of the options that the NX 4 clients are causing the nxagent binary to crash.  I've further traced it down the nxcomp (libXcomp) library and something that's happening in there.  I was able to recompile the library with lots of tracing/debug turned on and get some more useful output.  At least, it'd be useful if I knew how to interpret it.  I've attached the session "errors" file (gzipped to minimize size) from one of the sessions - perhaps someone can take a look at it and help me make sense of it, especially to see where it's failing?

Thanks,
Nick



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