From owner-freebsd-current@FreeBSD.ORG Thu Nov 12 15:29:09 2009 Return-Path: Delivered-To: current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id C71A61065676; Thu, 12 Nov 2009 15:29:09 +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 881578FC0A; Thu, 12 Nov 2009 15:29:09 +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 nACFT8ad037531; Thu, 12 Nov 2009 10:29:08 -0500 (EST) (envelope-from mike@sentex.net) Message-Id: <200911121529.nACFT8ad037531@lava.sentex.ca> X-Mailer: QUALCOMM Windows Eudora Version 7.1.0.9 Date: Thu, 12 Nov 2009 10:28:17 -0500 To: Jack Vogel , pyunyh@gmail.com From: Mike Tancsa In-Reply-To: <2a41acea0911111419v5ae5682cy12613e1bd9a9c325@mail.gmail.co m> References: <20091017222314.GB19204@michelle.cdnetworks.com> <200911092215.nA9MFeDP013898@lava.sentex.ca> <2a41acea0911091459w2b4fec5djd64d0324557b7da2@mail.gmail.com> <200911100021.nAA0LvMG014534@lava.sentex.ca> <2a41acea0911091633u2899b47ewb514b6276ba2cf62@mail.gmail.com> <200911100227.nAA2RtDY015177@lava.sentex.ca> <2a41acea0911101057q4f913e30m9319e52bbd254cfe@mail.gmail.com> <2a41acea0911101120o39fd695cpa325736d00b11587@mail.gmail.com> <200911102018.nAAKI3s7021614@lava.sentex.ca> <20091111203101.GC15449@michelle.cdnetworks.com> <2a41acea0911111419v5ae5682cy12613e1bd9a9c325@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed Cc: jfv@freebsd.org, Mykola Dzham , current@freebsd.org Subject: Re: page fault in igb driver on 8.0-RC2 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 12 Nov 2009 15:29:10 -0000 At 05:19 PM 11/11/2009, Jack Vogel wrote: >Ya, so maybe a more robust solution to that failure would be a good >thing, but this is not the time for more elaborate code, having this small >fix put in is low risk and the better failure response can come later. > >In fact, I have a number of places in the ixgbe driver where I'm pondering >over what to do in failure mode anyway. [trimming re@freebsd as this isnt a release issue] No panics yet, but at around 350k pps, I see interrupt storm detected on "irq257:"; throttling interrupt source interrupt storm detected on "irq257:"; throttling interrupt source interrupt storm detected on "irq257:"; throttling interrupt source interrupt storm detected on "irq257:"; throttling interrupt source interrupt storm detected on "irq257:"; throttling interrupt source interrupt storm detected on "irq257:"; throttling interrupt source interrupt storm detected on "irq257:"; throttling interrupt source interrupt storm detected on "irq257:"; throttling interrupt source interrupt storm detected on "irq257:"; throttling interrupt source interrupt storm detected on "irq257:"; throttling interrupt source interrupt storm detected on "irq257:"; throttling interrupt source interrupt storm detected on "irq257:"; throttling interrupt source interrupt storm detected on "irq257:"; throttling interrupt source interrupt storm detected on "irq257:"; throttling interrupt source interrupt storm detected on "irq257:"; throttling interrupt source interrupt storm detected on "irq257:"; throttling interrupt source interrupt storm detected on "irq257:"; throttling interrupt source 0(ich10)# vmstat -i interrupt total rate irq16: uhci0+ 22 0 irq18: ehci0 uhci5 15 0 irq19: fwohci0++ 78 0 irq21: uhci1 17 0 irq23: uhci3 ehci1 2 0 cpu0: timer 175404021 1998 irq256: igb0 19731770 224 irq257: igb0 30741918 350 irq258: igb0 14 0 irq259: igb1 71514077 814 irq260: igb1 28098687 320 irq261: igb1 2 0 irq262: em0 4435336 50 irq263: ahci0 89527 1 cpu7: timer 175395421 1998 cpu6: timer 175394148 1998 cpu1: timer 175395011 1998 cpu4: timer 175394583 1998 cpu5: timer 175395129 1998 cpu3: timer 175395466 1998 cpu2: timer 175394884 1998 Total 1557780128 17749 0(ich10)# -------------------------------------------------------------------- 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