From owner-freebsd-stable@FreeBSD.ORG Mon May 11 16:49:43 2009 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 97277106566C; Mon, 11 May 2009 16:49:43 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from cyrus.watson.org (cyrus.watson.org [65.122.17.42]) by mx1.freebsd.org (Postfix) with ESMTP id 67B948FC20; Mon, 11 May 2009 16:49:43 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from bigwig.baldwin.cx (66.111.2.69.static.nyinternet.net [66.111.2.69]) by cyrus.watson.org (Postfix) with ESMTPSA id 1AF8446B82; Mon, 11 May 2009 12:49:43 -0400 (EDT) Received: from jhbbsd.hudson-trading.com (unknown [209.249.190.8]) by bigwig.baldwin.cx (Postfix) with ESMTPA id EC27E8A026; Mon, 11 May 2009 12:49:41 -0400 (EDT) From: John Baldwin To: freebsd-stable@freebsd.org Date: Mon, 11 May 2009 12:42:44 -0400 User-Agent: KMail/1.9.7 References: <1240920035.85945.7.camel@buffy.york.ac.uk> <20090509193937.T10574@hub.org> In-Reply-To: <20090509193937.T10574@hub.org> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200905111242.44566.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.0.1 (bigwig.baldwin.cx); Mon, 11 May 2009 12:49:42 -0400 (EDT) X-Virus-Scanned: clamav-milter 0.95 at bigwig.baldwin.cx X-Virus-Status: Clean X-Spam-Status: No, score=-2.5 required=4.2 tests=AWL,BAYES_00,RDNS_NONE autolearn=no version=3.2.5 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on bigwig.baldwin.cx Cc: "Marc G. Fournier" , Martin Schmidt , Gavin Atkinson Subject: Re: 7.1-STABLE Sun Mar 29 01:06:46 ADT 2009 Locks up ... 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: Mon, 11 May 2009 16:49:43 -0000 On Saturday 09 May 2009 6:43:16 pm Marc G. Fournier wrote: > On Tue, 28 Apr 2009, Gavin Atkinson wrote: > > > On Fri, 2009-04-24 at 20:39 +0200, Martin Schmidt wrote: > >> Hi Marc and List, > >> > >> i had similar issues with FreeBSD 7.2-PRERELEASE. Server (zfs,nfs) > >> seems to hang in intervals of about 8 hours. > >> kernel is still there but no connections can be made to nfs/ssh and > >> login on local console doesn't seem to > >> work due to incredible slowness. breaking to the debugger takes a > >> moment but works. > >> (compiling kernel with WITNESS didnt help) > >> > >> the server had been solid before with 7 stable kernel from around 19 > >> October 2008. > >> > >> I now added these lines to /boot/loader.conf > >> > >> hw.pci.enable_msi=0 > >> hw.pci.enable_msix=0 > >> > >> to disable Message Signaled Interrupts. Which are used by the 3ware > >> twa driver and igb network driver on our server. > > > > If you are willing to test further on your server, it may be helpful if > > you could determine which of those two lines in loader.conf fixes the > > problem for you. It would also be useful to provide a dmesg from the > > machine when both msi and msix are enabled. > > > > FWIW, looking at the "vmstat -i" output it appears that only the igb > > driver that are using MSI/MSIX, unless you have a reason to suspect > > otherwise? > > How do you tell that, about igb? looking at the server I have the igb > device on, it doesn't seem to say anything about that ... IRQs > 256 are MSI/MSI-X. -- John Baldwin