c2s dead but subsys locked

Issue

• c2s randomly terminates on Satellite Proxy Servers
• No open bugzilla for this issue

# rhn-proxy status
squid (pid 13162) is running...
httpd (pid 13179) is running...
router (pid 13205) is running...
sm (pid 13215) is running...
c2s dead but subsys locked
s2s (pid 13234) is running...

$ grep c2s var/log/messages
Feb 18 10:15:24 amnesiac jabberd/c2s[13224]: [2037] [192.168.0.1, port=36209] connect
Feb 18 10:15:24 amnesiac jabberd/router[13205]: [c2s] offline
Feb 18 10:15:24 amnesiac jabberd/s2s[13234]: dns lookup for c2s failed

Feb 18 09:55:18 amnesiac jabberd/c2s[5254]: [1076] [192.168.0.1, port=40416] disconnect jid=osad-e17a23432432.amnesiac.invalid/osad, packets: 13
Feb 18 09:55:18 amnesiac jabberd/router[5031]: [c2s] offline