From: Christopher L. Barnard (cbar44@tsg.cbot.com)
Date: Thu Dec 08 2005 - 15:31:56 EST
I have several identically configured Solaris 9 servers running
OpenSsh 4.2p1. Some let me do X forwarding, some do not. All have the
ForwardX11 yes
in the ssh_config file and
X11Forwarding yes
X11UseLocalhost no
in the sshd_config file. I have restarted ssh several times, so I am
comfortable that the config files are being read.
On servers that work, I ssh to them, start an X application like xclock,
and it appears on my screen. On servers that do not work, when I try to
run an X application I am told
Error: Can't open display:
The .Xauthority in my homedir is *not* updated, btw.
After many rounds of testing to try and figure out the problem, which
involved running the daemon with three levels of debug (-ddd) I found
the underlying problem:
debug2: bind port 6260: Address already in use
repeated 999 times, for the 999 ports from 6000 to 6999. Then the msg
Failed to allocate internet-domain X11 display socket.
debug1: x11_create_display_inet failed.
and I am ssh-ed in, but I do not have X.
netstat, ps, ndd /dev/tcp tcp_status show that the server is busy, but
not THAT busy. There are about 200 ssh connections to the box, which
is no where near the 999 ports for X forwarding. I believe the port idle
timeout on Solaris 9 boxes is 4 minutes, but I see no ports in TIME_WAIT
anyway.
Has anyone seen this before? Do I need to somehow clean out connections to
the X ports? Is there a limit of some sort on this box that I am bumping
against that I need to raise? (ndd is powerful, but easy to misuse...)
Thanks, and I will summarize.
+-----------------------------------------------------------------------+
| Christopher L. Barnard O When I was a boy I was told that |
| cbarnard@tsg.cbot.com / \ anybody could become president. |
| (312) 347-4901 O---O Now I'm beginning to believe it. |
| http://www.cs.uchicago.edu/~cbarnard --Clarence Darrow |
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