From owner-freebsd-stable@FreeBSD.ORG Thu Mar 25 15:48:18 2010 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D9C01106564A for ; Thu, 25 Mar 2010 15:48:18 +0000 (UTC) (envelope-from mike@sentex.net) Received: from lava.sentex.ca (pyroxene.sentex.ca [199.212.134.18]) by mx1.freebsd.org (Postfix) with ESMTP id A704E8FC26 for ; Thu, 25 Mar 2010 15:48:18 +0000 (UTC) Received: from mdt-xp.sentex.net (simeon.sentex.ca [192.168.43.27]) by lava.sentex.ca (8.14.3/8.14.3) with ESMTP id o2PFmHMH028420; Thu, 25 Mar 2010 11:48:17 -0400 (EDT) (envelope-from mike@sentex.net) Message-Id: <201003251548.o2PFmHMH028420@lava.sentex.ca> X-Mailer: QUALCOMM Windows Eudora Version 7.1.0.9 Date: Thu, 25 Mar 2010 11:48:02 -0400 To: freebsd-stable@freebsd.org From: Mike Tancsa In-Reply-To: <886B21E1787F0003B89E34B6@[192.168.1.44]> References: <4BAB718C.3090001@fsn.hu> <886B21E1787F0003B89E34B6@[192.168.1.44]> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed Subject: Re: 8-STABLE freezes on UDP traffic (DNS), 7.x doesn't X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 25 Mar 2010 15:48:18 -0000 At 11:39 AM 3/25/2010, Michael Loftis wrote: >--On Thursday, March 25, 2010 3:22 PM +0100 Attila Nagy wrote: > ><...> >>Both unbound and python accepts DNS requests, and it seems when 25% >>interrupt happens, only unbound is in *udp state, where it is 50%, both >>programs are in that state. > >Try turning of hardware TSO/checksum offload if it's availble on >your chipset? ifconfig -rxcsum -txcsum -tso -- I'm only >using nfe chips right now, but w/ the TSO/CSUM on they lock up >constantly under high load. We're pretty sure it's mostly the nfe >driver, or the chips themselves, but have never ruled out some >generic 8.x hardware offload issues. There were also a bunch of commits last night for the bce driver. If its the NIC in RELENG_8, perhaps those bug fixes might help http://lists.freebsd.org/pipermail/svn-src-stable-8/2010-March/001804.html http://lists.freebsd.org/pipermail/svn-src-stable-8/2010-March/001803.html ---Mike >_______________________________________________ >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" -------------------------------------------------------------------- Mike Tancsa, tel +1 519 651 3400 Sentex Communications, mike@sentex.net Providing Internet since 1994 www.sentex.net Cambridge, Ontario Canada www.sentex.net/mike