[FreeNX-kNX] problems with nxagent

davefury david.corral at silicetelecom.com
Wed Mar 26 10:11:35 UTC 2008

Hi there, first thanks to everyone and Fabian for this community, and the
release of 0.7.2

I've followed the instructions to install FreeNX, everything seems to go
fine, but I'm facing a problem in the very last moment the client tries to
connect. Authentication and connection with the server runs perfect, but it
crashes with "The connection with the remote server was shut down. Please
check the state of your network connection", right after the !M
black/red/white screen.

Having a look at the logs, this is what I get:

"Info: Agent running with pid '5418'.
Session: Starting session at 'Wed Mar 26 11:05:54 2008'.
Info: Proxy running in server mode with pid '5418'.
Info: Waiting for connection from '' on port '5000'.
Info: Accepted connection from ''.
Info: Connection with remote proxy completed.
Info: Using LAN link parameters 1536/24/1/0.
Info: Using agent parameters 5000/0/50/0/0.
Info: Using pack method 'adaptive-9' with session 'unix-desktop'.
Info: Not using NX delta compression.
Info: Not using ZLIB data compression.
Info: Not using ZLIB stream compression.
Info: Not using a persistent cache.
Info: Listening to X11 connections on display ':1000'.
Info: Established X client connection.
Info: Using shared memory parameters 1/1/1/2048K.
Info: Using alpha channel in render extension.
Info: Not using local device configuration changes.
Session: Session started at 'Wed Mar 26 11:05:55 2008'.
/usr/NX/bin/nxagent: symbol lookup error: /usr/NX/bin/nxagent: undefined
symbol: XCheckIfEventNoFlush
NX> 1006 Session status: closed
server_nxnode_echo: NX> 596 Session startup failed.
NX> 596 Session startup failed.
server_nxnode_echo: NX> 1004 Error: NX Agent exited with exit status 1. To
troubleshoot set SESSION_LOG_CLEAN=0 in node.conf and investigate
You might also want to try: ssh -X myserver; /usr/NX/bin/nxnode --agent to
test the basic functionality. Session log follows:
session_close 0E795203B2CB28D0433FC6F8AA76AF6B
NX> 1001 Bye.
server_nxnode_echo: NX> 1006 Session status: closed
server_nxnode_echo: NX> 1001 Bye."

Doing nxnode --agent:

"/usr/NX/bin/nxagent: /usr/NX/lib/libpng12.so.0: no version information
available (required by /usr/NX/lib/libXcompext.so.3)
Error: Aborting session with 'Server is already active for display 0
        If this server is no longer running, remove /tmp/.X0-lock
        and start again'.

Session: Aborting session at 'Wed Mar 26 11:08:28 2008'.
Session: Session aborted at 'Wed Mar 26 11:08:28 2008'.
NX> 716 NX Agent exited with status: 1
NX> 1001 Bye."

I think the problems comes from the nxagent. I compiled it with the make
World with the sources from !M, just like the Installation instructions

Thank you very much in advance.


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