From owner-freebsd-xen@freebsd.org Mon Aug 27 00:45:04 2018 Return-Path: Delivered-To: freebsd-xen@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id A66D2108815F for ; Mon, 27 Aug 2018 00:45:04 +0000 (UTC) (envelope-from nathan.friess@gmail.com) Received: from mail-pl1-x632.google.com (mail-pl1-x632.google.com [IPv6:2607:f8b0:4864:20::632]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 0BC0C777DE for ; Mon, 27 Aug 2018 00:45:04 +0000 (UTC) (envelope-from nathan.friess@gmail.com) Received: by mail-pl1-x632.google.com with SMTP id e11-v6so3357847plb.3 for ; Sun, 26 Aug 2018 17:45:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=Rw+M0MXVPIfX+7sHyN2ODNbBRB4/lri1QKYgGIKfjbc=; b=bV++Z1a4seSEDRvakGoXrdwDKLicGGZQh2tnLqivTdE6xynNe6JToe1uUUZSoUurXq 2enyrwkxSbgK8O8NuDw631vOF2LbcGhZs6uTl+A9pz4qns2ju4t+/nOS95yvNNQNy1GS qWukZg4wPNSr42WQ4A2t7bKVsgdrZeqQI5KMiRP+GVaSqL09II5+aKWTzUDH5s/LiuS8 MsqYVVlaSo2YejtHvtpQ0Lk6irkudKQo13KzoprE6VR7fpdE0fm8r+LMUJCGC6L6dcNy bhLVs3HSfIwuGmHplYzGsZ8Ch+4Z4+UyZKR9nF3hyu9CGFP0MXLa0ErNa4hz+6dqH8nj m96A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=Rw+M0MXVPIfX+7sHyN2ODNbBRB4/lri1QKYgGIKfjbc=; b=dD+UtKaDyBca3rptx0wYGgGvXLjwUQbyZB5xZrq/30UZUFPhf0Z2jgtmDRR+2nvmS1 +TOXbZJ+eIhhEf6N896fy56x4R3b9bpUjBEnsAPm6jMd6JFUmhc5H2VzBMhujricgeW0 8SmsiXrOc1wfGN/uESxOTL4vUM7WNfGkEUMddN2YFmBmDo1YL8EAvBCsc5lB92C/GfJ+ QtBuWSTnWQc+ndmjIVGAot+u0Hth2X1m5Xvh9VQ0m22J4rwVHT0ZB4hKhqhkkPwGuUt1 CS4ZeDgEyxvzGF8lAGuHWc6Bdf6Fxhw+0YTuFhF1a7knBP8a01GVoNzXXPScaTdSFphs 98kg== X-Gm-Message-State: APzg51Cd56gOAw1WkOpRStkPVTXHD9EZ6/npCJ2IsZdtXubmIxGTEOnm tSdvoWK+20buunJ2iPHdp9Ekyw+Q X-Google-Smtp-Source: ANB0VdauXJgkCYJdElNUbvsKyzXOlMk8pgnhEkzeY06jQqrkJFro9MPR9K8CwTjkYpbkP6MTFRGtjQ== X-Received: by 2002:a17:902:7488:: with SMTP id h8-v6mr10795532pll.16.1535330702366; Sun, 26 Aug 2018 17:45:02 -0700 (PDT) Received: from [10.2.1.1] (S01060018e7c4b870.cg.shawcable.net. [70.72.182.108]) by smtp.gmail.com with ESMTPSA id m21-v6sm3083248pgd.6.2018.08.26.17.45.01 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 26 Aug 2018 17:45:01 -0700 (PDT) Subject: Re: xen+vimage kernel panic To: =?UTF-8?Q?Roger_Pau_Monn=c3=a9?= , Marko Zec Cc: freebsd-xen@freebsd.org References: <1f010180-30c3-3a28-a2ca-b9f6279aee9c@gmail.com> <20180819224852.40754d2a@x23> <20180820094904.xdvsdowllpjcivlx@mac> From: Nathan Friess Message-ID: <7b6200a7-aa93-e54e-8a0d-159a5cd5222b@gmail.com> Date: Sun, 26 Aug 2018 18:45:00 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 MIME-Version: 1.0 In-Reply-To: <20180820094904.xdvsdowllpjcivlx@mac> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit X-BeenThere: freebsd-xen@freebsd.org X-Mailman-Version: 2.1.27 Precedence: list List-Id: Discussion of the freebsd port to xen - implementation and usage List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 27 Aug 2018 00:45:04 -0000 On 2018-08-20 03:49 AM, Roger Pau Monné wrote: >>> Are there any thoughts on why the xn interface would cause a panic >>> there? >> >> The xn driver calls arp_ifinit() without setting the vnet context >> first. Perhaps the attached patch could help (not even compile >> tested...) > > I know nothing about VNET, so is this initialization required now that > VNET is enabled? Is this an existing bug in netfront that was harmless > before VNET was activated? > > Can you please file a bug report and attach the patch? Hi Roger and everyone, My apologies for not opening the bug report earlier this week. I tested the patch this weekend and it indeed does fix the panic in my domUs. Cheers, Nathan