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Re: [K12OSN] sudden appearance of grey X


This is the point where I bring out the big guns.

    tcpdump -i eth0 port 177

Then, have someone turn on a thin client, and watch the traffic.

You should see the request from the client, and then a reply from the server. If the server is refusing to manage the client, then you should see a message to that effect.

If you want me to take a look at the output, then do:

    tcpdump -i eth0 -s0 -w /tmp/tcpdump.out port 177

and email me the binary file as an attachment.

I'll be in and out most of today (saturday).


Julius Szelagiewicz wrote:

On Sat, 26 May 2007, Jim McQuillan wrote:


How about the 'SERVER' setting in lts.conf, does it match the IP address
of the server?

Any chance the IP addr of the server has changed?


Julius Szelagiewicz wrote:
On Fri, 25 May 2007, Jim McQuillan wrote:


Have you gone through the gray-screen troubleshooting guide on the wiki?


There's plenty of things you can do via SSH to troubleshoot this problem.

Jim McQuillan
jam Ltsp org

Julius Szelagiewicz wrote:
Dear Folks,
	I am stumped. A server that has been happily running K12 V6
rebelled after reboot. I don't get login screens on teminals nor on VNC
access. No files appear to be changed. xdm-conf is allowing management,
hosts file is fine, stopping iptables doesn't help, switching to kdm
doesn't help. The users are screaming and I am home sick. Ideas, please,
pretty please.

p.s. the server is 1600 miles away from me :-)

Jim, tried it very thoroughly (this is my usual sequence of testing when I
get the grey X). This time, no joy - everything seems hunky-dory. Tried
with iptables off as well, same.

SERVER set ok, interface addresses unchanged. The nice? thing is that it
isn't just terminals - vncviewer localhost also gets grey screen. xdcmp
shows in netstat just as it should
	the phone calls are driving me nuts - 3 deep at the counter
without computers. i shoud fire me.

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