It happens when I try to enter a chat room. And, according to the log, just after the chat server tries to start:
[05/Jul/2004:12:57:51][11941.32773][-conn:service0::1] Notice: chat_start_server: Starting chat server
[05/Jul/2004:12:57:51][11941.32773][-conn:service0::1] Error: dns: gethostbyname failed: no valid IP address
[05/Jul/2004:12:57:51][11941.32773][-conn:service0::1] Error: dns: gethostbyname failed: no valid IP address
[05/Jul/2004:12:57:51][11941.32773][-conn:service0::1] Error: dns: gethostbyname failed: no valid IP address