Date: Tue, 28 Oct 2008 17:33:40 +0530 From: "Sujit Karataparambil" <sjt.kar@gmail.com> To: "Jose Amengual" <jose.amengual@gmail.com>, freebsd-current@freebsd.org, freebsd-stable@freebsd.org Subject: Re: SOLUTION!!!! Re: tcp_do_segment....again Message-ID: <921ca19c0810280503o79b0e1cei4b8e92293847bec1@mail.gmail.com> In-Reply-To: <D983434B-3A49-4378-B56E-376DDFC901E9@gmail.com> References: <D7875010-7269-4CDF-99CA-6357230B4CB5@gmail.com> <20081027120802.G2978@maildrop.int.zabbadoz.net> <D983434B-3A49-4378-B56E-376DDFC901E9@gmail.com>
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Sorry Just donot understand what you are saying. On 10/28/08, Jose Amengual <jose.amengual@gmail.com> wrote: > Hi Guys. > > I will describe de steps that I did to solve this problem that I still don't > understand. > > Like my first post, I installed FreeBSD with the install cd > 7.0-STABLE-200807-i386-disc1.iso , then I update using > cvsup and the stable supfile and I got the 7.1-PREREALEASE ( I don't know > why I got 7.1 has a stable using the stablesupfile using RELENG_7 ). > > After make world and stuff, I installed ezjail and I start creating my > jails, then I configure my pf script and I give my jails and user nat and > etc. > Then I start installing packages to my jails and I start seeing the TCP > kernel messages that at the first time I ignored. > > After I had all the jails working , I realize that my postfix jail was > leaving almost all the emails in the defer queue with reasons like > "Connection time out", then I realize that the tcp_do_segment messages were > talking about port 25 connections and not only ftp connections, and that was > exactly one message per mail in the queue. > > After reading some post I decide to Update my machine again to RELENG_7_0 > and I got 7.0-p5 and the problem persist, after that I start changing sysctl > variables like sack etc. > > Today I reinstall the same machine with the 7.0-RELEASE-i386-disc1.iso and > update to 7.0-p5 and using ezjail I start creating the jails and I realize > that I was getting the same TCP messages per ftp connections but seems to be > working ok. After some research and reading I decide to REMOVE the SCTP > option from the kernel and recompile. > > After that I didn't receive any message and today the server is up and > running with 300 users behind and tons of email with NONE in the defer > queue. > > The configurations of the jails were copy and paste to the new installation > of the server, the only thing that I change was the install CD. > > Is that possible ?, could be the reason ? > SCTP is generating this problem ? > > > > Thanks to all. > > > On 27-Oct-08, at 9:09 AM, Bjoern A. Zeeb wrote: > > > On Sun, 26 Oct 2008, Jose Amengual wrote: > > > > Hi, > > > > > > > The problem persist even in stable 7.0, 7.1-PRERELEASE and 7.0-P5 , the > postfix jail is living all the email in defer queue saying "Connection Time > Out" > > > > > > This server give service to 300 clients and the network load os high. > > > > > > is there any clue how to resolve this ? > > > > > > > sorry if I am not reading back various links which include mails I had > > sent which are entirely unrelated. > > > > So you are seeing TCP problems. And you are running with a firewall > > enabled? > > > > Have you tried tcpdumping and seeing what exactly goes wrong? > > > > do you have any offload stuff enabled (as the subject suggests)? If so > > what happens if you disable this? > > > > /bz > > > > -- > > Bjoern A. Zeeb Stop bit received. Insert coin for new game. > > _______________________________________________ > > freebsd-current@freebsd.org mailing list > > > http://lists.freebsd.org/mailman/listinfo/freebsd-current > > To unsubscribe, send any mail to > "freebsd-current-unsubscribe@freebsd.org" > > > > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to > "freebsd-stable-unsubscribe@freebsd.org" > -- --linux(2.4/2.6),bsd(4.5.x+),solaris(2.5+)
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