From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qt0-f173.google.com (mail-qt0-f173.google.com [209.85.216.173]) by dpdk.org (Postfix) with ESMTP id E4E561B1A2 for ; Wed, 15 Nov 2017 18:22:49 +0100 (CET) Received: by mail-qt0-f173.google.com with SMTP id 1so36062857qtn.3 for ; Wed, 15 Nov 2017 09:22:49 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to; bh=oI8U/Jux4E3hoZghe4j8ompuW3UBxLgRITIishhh3kM=; b=D9xnyL01jkUe0I9PRLkZK658UjhK5av7LBs7nZ/aRVL+8MIbw7MIGYjRJ7jgxP+oty 2swyk9eRIKlxiMYEd9qzKr7ZV6WcHvMndjtdZX/VqveIS93V6fWIRHR2RlV7V/BAgj0a bdw1QoIRT4dkFOKcIyl9uoK/NFVNDZKg7hScGrwh07xUNjwMxLaPRMzAR3x/jsXmM1GY jojVov1S9KLU8OwsIguWE1jc56P9nh6oo2jHt0KoiEjJ7/GOI/eDq2EYjtIvYIL9eEsH LjzH3as3a7+7mLXw/lHnwzE5VpeXB7T5us7K9XR7aNZ62OaQWLiuZxF9TIT9r9V4gseX KBuQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to; bh=oI8U/Jux4E3hoZghe4j8ompuW3UBxLgRITIishhh3kM=; b=nYwVOk/QnK4Bc3kMiTxG7xmjErlWApSKs5pfDlT0nvjijsBKfOXvumj0IR1bB5KrJ7 IG1eNjcFHPevtZG07aQfLO9GUVwBZeZQn/jq62FbcqJ8o5iBY8ctfo34nDahDwkUi2xf EdHs5Bzpkav/71m/vHaXq1rfxCEg+UKEn5Rl/0UTZdxyr3twZ3ug4VV3d2r24v/NLrLR Nd0yGN3rT5k55eRy36HC4aywEA+MlT+jOjynZGDmD0K+atEoy4dlRjtNBOvYM5D7JXnj 7YCq8kzzp7zv0zCLUW1hbEnvoxs9qoHVx3FZKvcmqlUJ+RdqyNMntv021iv28OhoVMN2 J0xA== X-Gm-Message-State: AJaThX6Ar8CIi3CkITpYKMaZ05SzY0wVuWkyO98oYQlMUu6G39hEirV/ 2sSHUYx6rLkwaaZv/WFIbNNK51XT2Tdt8xqQ0vc= X-Google-Smtp-Source: AGs4zMYYm4kDvs+wZTEek8REdz0c1P4TZ+CODxCH4mOnYbpz+g9mYXxCXcT16budPUeTUEkl2Wrvbxp7RrcLg+E11ws= X-Received: by 10.200.35.55 with SMTP id a52mr25968694qta.148.1510766569067; Wed, 15 Nov 2017 09:22:49 -0800 (PST) MIME-Version: 1.0 Received: by 10.140.106.71 with HTTP; Wed, 15 Nov 2017 09:22:18 -0800 (PST) In-Reply-To: References: <3FEF1E9E-C001-4BD1-ACD7-84AD394F4C52@intel.com> <9B0331B6EBBD0E4684FBFAEDA55776F9444D7AEC@HASMSX110.ger.corp.intel.com> From: James Bensley Date: Wed, 15 Nov 2017 17:22:18 +0000 Message-ID: To: "Johnson, Brian" , "users@dpdk.org" Content-Type: text/plain; charset="UTF-8" Subject: Re: [dpdk-users] Hard Crash with X710 and Pktgen X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 15 Nov 2017 17:22:50 -0000 On 14 November 2017 at 10:59, Johnson, Brian wrote: > Do you have Intel VT-d enabled in the BIOS and intel_iommu=on iommu=pt in > grub? ... > Once the system boots up, check the contents of /sys/kernel/iommu_groups/ > directory. If it is non-empty, you have successfully set up IOMMU. Hi Brian, Many thanks for your response! $ ls /sys/kernel/iommu_groups/ 0 1 10 11 12 13 14 15 16 17 18 19 2 20 21 22 23 24 25 26 27 28 29 3 30 31 32 33 34 35 36 37 38 39 4 40 41 5 6 7 8 9 There is "stuff" in there so, looks good to me. $ cat /proc/cmdline BOOT_IMAGE=/boot/vmlinuz-4.13.12-1.el7.elrepo.x86_64 root=UUID=e5b08dc0-3ea6-4259-82ab-820dee91fa52 ro intel_pstate=disable iommu=pt intel_iommu=on default_hugepagesz=1G hugepagesz=1G hugepages=4 crashkernel=auto rhgb quiet $ dmesg | grep -i IOMMU [ 0.000000] DMAR: IOMMU enabled VT-x is enabled: $ grep -m 1 -o "vmx" /proc/cpuinfo vmx VT-d is enabled: $ dmesg | grep -i DMAR [ 0.000000] DMAR: IOMMU enabled Cheers, James.