Date: Tue, 28 Oct 2008 10:10:54 -0300 From: Jose Amengual <jose.amengual@gmail.com> To: Sujit Karataparambil <sjt.kar@gmail.com> Cc: freebsd-current@freebsd.org, freebsd-stable@freebsd.org Subject: Re: SOLUTION!!!! Re: tcp_do_segment....again Message-ID: <B3758F6C-3BC3-448B-88E6-CCE80533A606@gmail.com> In-Reply-To: <921ca19c0810280503o79b0e1cei4b8e92293847bec1@mail.gmail.com> References: <D7875010-7269-4CDF-99CA-6357230B4CB5@gmail.com> <20081027120802.G2978@maildrop.int.zabbadoz.net> <D983434B-3A49-4378-B56E-376DDFC901E9@gmail.com> <921ca19c0810280503o79b0e1cei4b8e92293847bec1@mail.gmail.com>
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Sorry for my ESL :). On 28-Oct-08, at 9:03 AM, Sujit Karataparambil wrote: > 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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