From owner-freebsd-current@freebsd.org Mon Aug 31 19:12:34 2015 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id B256C9C7555 for ; Mon, 31 Aug 2015 19:12:34 +0000 (UTC) (envelope-from sbruno@freebsd.org) Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org [IPv6:2001:1900:2254:206a::50:5]) by mx1.freebsd.org (Postfix) with ESMTP id 989EBC46 for ; Mon, 31 Aug 2015 19:12:34 +0000 (UTC) (envelope-from sbruno@freebsd.org) Received: by mailman.ysv.freebsd.org (Postfix) id 981A39C7554; Mon, 31 Aug 2015 19:12:34 +0000 (UTC) Delivered-To: current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 97B9C9C7553 for ; Mon, 31 Aug 2015 19:12:34 +0000 (UTC) (envelope-from sbruno@freebsd.org) Received: from mail.ignoranthack.me (ignoranthack.me [199.102.79.106]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 7A92AC42 for ; Mon, 31 Aug 2015 19:12:33 +0000 (UTC) (envelope-from sbruno@freebsd.org) Received: from [192.168.200.200] (unknown [50.136.155.142]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: sbruno@ignoranthack.me) by mail.ignoranthack.me (Postfix) with ESMTPSA id 94236193874 for ; Mon, 31 Aug 2015 19:12:32 +0000 (UTC) Subject: Re: Kernel panic with fresh current, probably nfs related To: current@freebsd.org References: <20150822115519.GA79434@ymer.vnode.se> <914810061.28949434.1440248260373.JavaMail.zimbra@uoguelph.ca> <55D8BEB6.7090202@freebsd.org> <20150824013636.GA1015@michelle.fasterthan.com> <55DB5FD8.1010308@freebsd.org> <20150825191006.GA89428@ymer.vnode.se> <55DCC816.603@freebsd.org> <20150829073859.GA847@ymer.vnode.se> From: Sean Bruno X-Enigmail-Draft-Status: N1110 Message-ID: <55E4A71F.3090602@freebsd.org> Date: Mon, 31 Aug 2015 12:12:31 -0700 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 MIME-Version: 1.0 In-Reply-To: <20150829073859.GA847@ymer.vnode.se> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.20 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: Mon, 31 Aug 2015 19:12:34 -0000 On 08/29/15 00:38, Joel Dahl wrote: > On Tue, Aug 25, 2015 at 12:55:02PM -0700, Sean Bruno wrote: >> >> >> On 08/25/15 12:10, Joel Dahl wrote: >>>>> Seems to work. However, I cannot reproduce the user panic in the first >>>>> place. What's the scenario that seems to work here? NFS seems happy >>>>> with/without the patch so I'm not confident in anything we are doing her >>>>> e. >>> I see several patches here. Which one should I be using? >> >> This: >> >> Index: sys/dev/e1000/if_em.c >> =================================================================== >> --- sys/dev/e1000/if_em.c (revision 287087) >> +++ sys/dev/e1000/if_em.c (working copy) >> @@ -3044,7 +3044,7 @@ em_setup_interface(device_t dev, struct adapter *a >> if_setioctlfn(ifp, em_ioctl); >> if_setgetcounterfn(ifp, em_get_counter); >> /* TSO parameters */ >> - ifp->if_hw_tsomax = EM_TSO_SIZE; >> + ifp->if_hw_tsomax = IP_MAXPACKET; >> ifp->if_hw_tsomaxsegcount = EM_MAX_SCATTER; >> ifp->if_hw_tsomaxsegsize = EM_TSO_SEG_SIZE; > > Using this patch, my nfs server has survived several > installkernel/installworld cycles. > Committed as svn R287330 sean