From owner-freebsd-net@FreeBSD.ORG Fri Oct 26 10:30:15 2012 Return-Path: Delivered-To: freebsd-net@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 2E0767F8 for ; Fri, 26 Oct 2012 10:30:15 +0000 (UTC) (envelope-from glebius@FreeBSD.org) Received: from cell.glebius.int.ru (glebius.int.ru [81.19.64.117]) by mx1.freebsd.org (Postfix) with ESMTP id 9BC0F8FC14 for ; Fri, 26 Oct 2012 10:30:14 +0000 (UTC) Received: from cell.glebius.int.ru (localhost [127.0.0.1]) by cell.glebius.int.ru (8.14.5/8.14.5) with ESMTP id q9QAU7Kt011118; Fri, 26 Oct 2012 14:30:07 +0400 (MSK) (envelope-from glebius@FreeBSD.org) Received: (from glebius@localhost) by cell.glebius.int.ru (8.14.5/8.14.5/Submit) id q9QAU6np011117; Fri, 26 Oct 2012 14:30:06 +0400 (MSK) (envelope-from glebius@FreeBSD.org) X-Authentication-Warning: cell.glebius.int.ru: glebius set sender to glebius@FreeBSD.org using -f Date: Fri, 26 Oct 2012 14:30:06 +0400 From: Gleb Smirnoff To: R?mi Pauchet Subject: Re: panic ixgbevf / SMP under high network load Message-ID: <20121026103006.GB70741@glebius.int.ru> References: <20121025164031.GA70741@FreeBSD.org> MIME-Version: 1.0 Content-Type: text/plain; charset=koi8-r Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Cc: freebsd-net@FreeBSD.org X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 26 Oct 2012 10:30:15 -0000 On Fri, Oct 26, 2012 at 11:09:20AM +0200, R?mi Pauchet wrote: R> Hi R> R> I have the same crash with FreeBSD 10-current R> R> FreeBSD freebsd10 10.0-CURRENT FreeBSD 10.0-CURRENT #4 r241761: Sat Oct 20 07:40:33 UTC 2012 root@kaos.glenbarber.us:/usr/obj/usr/src/sys/GENERIC amd64 R> R> Sorry for the screenshots: panic doesn't dump the memory to the swap, I can't figure out why R> R> I use udp frames (size 700) so this load is not supposed to produce ip fragmentation. R> R> And again, the panic happens with 4 vcpus, no issue with 1 vcpu. r241761 predates conversion of the IPv4 stack to net byte order, which happened in r241913. Can you please try out your test on head r242077 or later? -- Totus tuus, Glebius.