From owner-freebsd-current@freebsd.org Tue Aug 25 19:10:12 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 91BA099AE3F for ; Tue, 25 Aug 2015 19:10:12 +0000 (UTC) (envelope-from joel@vnode.se) 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 7A46C956 for ; Tue, 25 Aug 2015 19:10:12 +0000 (UTC) (envelope-from joel@vnode.se) Received: by mailman.ysv.freebsd.org (Postfix) id 776FF99AE3E; Tue, 25 Aug 2015 19:10:12 +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 7709699AE3D for ; Tue, 25 Aug 2015 19:10:12 +0000 (UTC) (envelope-from joel@vnode.se) Received: from smtp.vnode.se (smtp.vnode.se [IPv6:2001:67c:40c:e3aa::5]) by mx1.freebsd.org (Postfix) with ESMTP id 3AF73955; Tue, 25 Aug 2015 19:10:12 +0000 (UTC) (envelope-from joel@vnode.se) Received: from ymer.vnode.se (h71n10-th-c-d4.ias.bredband.telia.com [81.234.63.71]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.vnode.se (Postfix) with ESMTPSA id 0F1FA188BC; Tue, 25 Aug 2015 21:10:07 +0200 (CEST) Date: Tue, 25 Aug 2015 21:10:07 +0200 From: Joel Dahl To: Sean Bruno Cc: Rick Macklem , pyunyh@gmail.com, current@freebsd.org Subject: Re: Kernel panic with fresh current, probably nfs related Message-ID: <20150825191006.GA89428@ymer.vnode.se> Mail-Followup-To: Sean Bruno , Rick Macklem , pyunyh@gmail.com, 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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <55DB5FD8.1010308@freebsd.org> User-Agent: Mutt/1.5.23 (2014-03-12) 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: Tue, 25 Aug 2015 19:10:12 -0000 On Mon, Aug 24, 2015 at 11:18:00AM -0700, Sean Bruno wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA512 > > > > On 08/23/15 18:36, Yonghyeon PYUN wrote: > > 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; > > > 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? -- Joel