On Dec 1, 2009, at 3:07 AM, Ivan Voras wrote: > William Taylor wrote: >> I recently started having a problem with tcp connections in one of my jails. >> Im running 4.9-stable > > I guess it will not do any good to tell you to upgrade to 8.0? :) > Not at this time although I probably should eventually. I still have a 3.5-STABLE box kicking around. I have always been a believer of if it isn't broken don't fix it.
>> both sendmail and perdition experience the same problem. I even tried >> stopping >> everything on the box and the problem still persists. > > Just to verify - the problem is on the side of the servers (TCP listeners)? > Seems to be. I could write a small tcp server and see if I can get it to exhibit the same behavior or not. >> Connections to other jails on different ip's on the same box are fine. >> There seems to be about a 5 second delay. >> From this snippet of a ktrace I did you can see what looks to be a delay of >> about 5 seconds after the CALL kevent > > I'm not sure what you are tracing but this trace looks like something having > to do with DNS. > > Does DNS resolve properly on the box? Reverse DNS also? Some servers, ssh and > probably sendmail also, do a reverse DNS lookup on the connecting client. > Just the generic ones... try seeing if DNS and reverse DNS work first. > > Yes DNS is resolving properly forward and reverse. I even tried changing DNS servers. _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "freebsd-questions-unsubscr...@freebsd.org"