From owner-freebsd-current@freebsd.org Tue Aug 25 19:55:10 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 B3D289C3143 for ; Tue, 25 Aug 2015 19:55:10 +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 9B3669DF for ; Tue, 25 Aug 2015 19:55:10 +0000 (UTC) (envelope-from sbruno@freebsd.org) Received: by mailman.ysv.freebsd.org (Postfix) id 986929C3142; Tue, 25 Aug 2015 19:55:10 +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 97FD29C3141 for ; Tue, 25 Aug 2015 19:55:10 +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 7C0139DE for ; Tue, 25 Aug 2015 19:55:09 +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 7BEF2193655; Tue, 25 Aug 2015 19:55:03 +0000 (UTC) Subject: Re: Kernel panic with fresh current, probably nfs related To: Joel Dahl 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> Cc: current@freebsd.org From: Sean Bruno Message-ID: <55DCC816.603@freebsd.org> Date: Tue, 25 Aug 2015 12:55:02 -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: <20150825191006.GA89428@ymer.vnode.se> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit 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 19:55:10 -0000 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;