From owner-freebsd-net@freebsd.org Fri Aug 12 05:51:44 2016 Return-Path: Delivered-To: freebsd-net@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 578D0BB7036 for ; Fri, 12 Aug 2016 05:51:44 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-io0-x22c.google.com (mail-io0-x22c.google.com [IPv6:2607:f8b0:4001:c06::22c]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 238981EFA for ; Fri, 12 Aug 2016 05:51:44 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: by mail-io0-x22c.google.com with SMTP id 38so16387477iol.0 for ; Thu, 11 Aug 2016 22:51:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:from:date:message-id :subject:to; bh=bWh+Ov8h3++G+C6PRguQ+P3mwLK5PjjqUoy4dcu3qvQ=; b=iaVReUnCm1rkipyBetAlneQjpkyB+oV44AC3TzMqlaFqxnDDoOFs/kzdSxxY6KfIH+ VoV3nUl6KiDKee2kwI/FxDH21Zs2cYjcnNY+vjpWCME33+E/o6XL4TewfmlMSyClYMfq ixsmbOnVJNDFJ707G5mHFUgQgWrN0lBH45K9gbO+QNnzOHfUbJH9jjtl9NdWVIn5/vxj RQn7LOf8NJ8hy5yvHDXrgumUCnjkfyjcjVZiDxvGJDIuM4Y/dWAaxxqL35wV0v+Ssdza +vRPBgwoIxuxfD9NZrBEHydYbVvCu7OTEhNwlx9qmLZlzcPBbyULiDFmlW2iiMFpaqwV oO3w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:sender:in-reply-to:references:from :date:message-id:subject:to; bh=bWh+Ov8h3++G+C6PRguQ+P3mwLK5PjjqUoy4dcu3qvQ=; b=iX6Q8wcG2C4l+sQx5a3Z1xzyRB8rZM6SOGlVFZNTQ9vZ7UhTcFqmz1VW7YK9nUVMR7 3yK9g/9apFLHHlaPy1FIfTIKTvzEBZxkYlHWVtVDE170Ay2cNDprUma2Uk1K93NkwWmC zcD2TLjiUBuDbUviUdPoqMOmSY/X0qcIBIwqQ/zV6SlrL5YMeDYOKv+7S3ef7qQsTulI Ns+7rERxlntIkiOA/vyOz9i33K3sbpj5PNkOsvGnjXW7gaC35Wxw56qzpqnMvZtcClhn H2fJ5PJPTVEP/dAmBTfJAMHbaVbSnOw2qacuvXSAQGLSpXpkkvIxexnLyQLQ7ldLof1m /RCQ== X-Gm-Message-State: AEkoouuitxTpmowHxyu16jxaKDMWKLHwMa30SgGIlL4RXnDQn+/4sOQHr0VZJfROTwQXNAyy+gPTtiRv4Lp7eA== X-Received: by 10.107.53.163 with SMTP id k35mr15781203ioo.75.1470981103519; Thu, 11 Aug 2016 22:51:43 -0700 (PDT) MIME-Version: 1.0 Sender: adrian.chadd@gmail.com Received: by 10.36.141.129 with HTTP; Thu, 11 Aug 2016 22:51:42 -0700 (PDT) In-Reply-To: <20160812023744.GE1112@albert.catwhisker.org> References: <20160810165458.GB1112@albert.catwhisker.org> <570bda1e-d4d7-42dc-6037-7c321ba9e97d@FreeBSD.org> <20160811234250.GC1112@albert.catwhisker.org> <20160812023744.GE1112@albert.catwhisker.org> From: Adrian Chadd Date: Thu, 11 Aug 2016 22:51:42 -0700 X-Google-Sender-Auth: 855CLjqqBCnQWPjukJM70T5MORk Message-ID: Subject: Re: Panic in stable/11 (amd64) @r303903: page fault while in kernel mode To: David Wolfskill , FreeBSD Net Content-Type: multipart/mixed; boundary=001a114490d025afb60539d97ae1 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 12 Aug 2016 05:51:44 -0000 --001a114490d025afb60539d97ae1 Content-Type: text/plain; charset=UTF-8 [snip] #define IF_LLADDR(ifp) \ LLADDR((struct sockaddr_dl *)((ifp)->if_addr->ifa_addr)) it's because if_addr is NULL in your dump. God knows why that is! My guess is we caught it in some stupid update window. Ok, so what should we do for locking? -adrian --001a114490d025afb60539d97ae1 Content-Type: application/pgp-signature; name="signature.asc" Content-Disposition: attachment; filename="signature.asc" Content-Transfer-Encoding: base64 X-Attachment-Id: 5af6e3e418488bb9_0.1 LS0tLS1CRUdJTiBQR1AgU0lHTkFUVVJFLS0tLS0NClZlcnNpb246IEdudVBHIHYyDQoNCmlRRjhC QUVCQ2dCbUJRSlhyVFo0WHhTQUFBQUFBQzRBS0dsemMzVmxjaTFtY0hKQWJtOTBZWFJwYjI1ekxt OXcNClpXNXdaM0F1Wm1sbWRHaG9iM0p6WlcxaGJpNXVaWFJEUTBJM1EwVkdPVEUzUVRnd01VWTBN ekEyTkVRM04wSXgNCk5UTTVRME0wTUVFd05EbEZSVEUzQUFvSkVCVTV6RUNnU2U0WGVtTUgvQTg0 VkwwOU00VytYQjhudTNXUlBsV3MNCnVWRmxGbnBlc2NCZjhYQzJicGNMMC96U3BnSkRTT0RQRWFH SHBxOWRJMmo2anVtaVREZkw1K3RZbEZSL0JOVysNCit4V0RsVzdFa0xLRHRDUU53TGU5YnhUSXNa RG9Fa0tXVW9GUTZoR1NTV25jamd6OERVK1ZyNitteUl1d2lHcHANCjgzRDI0KzFCckRyRDVLNTBs UTdDQS9la1ZMZTMwbmFZWUMxbWxoWjl2WlRhQXFjZXdJenJGenhmbGRlYndhRHcNClFDMlh3OW5H MmhlSHJTTEVtT215QTZmUG83ZW00bW5kQVVUQk04MmlTZGFpRldrWFZNSXZybTBQeWxRbHljVjIN CmRpc2JjNVNCdVZ5c1JuQ0ZNS0xQd0x5Y2lzSmlndDhxUUFvMW1CUnh4cFpvREp5QkhLWE1oWkZ6 T1ZpQStrND0NCj04cng3DQotLS0tLUVORCBQR1AgU0lHTkFUVVJFLS0tLS0NCg== --001a114490d025afb60539d97ae1--