From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f182.google.com (mail-pf0-f182.google.com [209.85.192.182]) by dpdk.org (Postfix) with ESMTP id 27DA41B5F1 for ; Tue, 7 Nov 2017 14:13:08 +0100 (CET) Received: by mail-pf0-f182.google.com with SMTP id p87so10309374pfj.3 for ; Tue, 07 Nov 2017 05:13:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20150623.gappssmtp.com; s=20150623; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=8cMsqru3D0fcsZ0nD5K5Exr56rSYLhH/b026EPRYCBE=; b=S8ZZ67jK3wRNLQ3xroqYrPZVUBRdEjHqlky52Zpmlo8q5Kj7dsf72nO4V0MTxMEp7t cuE/ZEXpcNJ+vFAxMpzbOzWk7siQAuhfm/FsmNMTI1q11g2BOKwTV81guOdssf3XNYDY 8C7zOFFBBOH1tjHtTIGcKTyo5X2JppvxneDDs6spddFvFx1vYPi4RwdokapYUmtdotOv ibxoZO1Mj/ctO402GAhfF3MXn8WMn8wAhqXLND+8ZrzU10+Q28vOkusswolnwB1qBM+B 8fiiXEIL9PLX8gMSL1QeBDCoQaWixJcKHBHb5XcUvlfo7h6NelHOQx+4Nu7fHHdMEhtP NiIA== 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:cc; bh=8cMsqru3D0fcsZ0nD5K5Exr56rSYLhH/b026EPRYCBE=; b=tbv1O+DyZ/IZsTngz21yKZDlVRmRIYICkVToRLYutUQ+/KEaA1O2Ft/HOhkubF8kEu z5HsNM2UF//gCcfN5/K+3YQ1D0zR2acHjAxAvmkush1k02Ej8V3RgaLBgNoHHkulS2XW +sXVFvhKLQsOIJV5kWWAwngyYvdS0QSfZ0IDxRXf8S6LofsaZEtIVlcnfQK/5fqOfg/5 CR3PEklkA7jn28BQYzj4e/zByzhDz/tZqOcG9GgYJ2+IY7qxn1lFftcEWW68mPmP/WpR ddGNR6HT4ZoOuJ76/UDpflTTtZR2Is2GxdoD/qtZnB1BOY1JCCuIsVaebV5ReU6Gg9MA p/QA== X-Gm-Message-State: AMCzsaV0IeedwfuTUQ6ooZhIPwjzgkiriT/VNOXfngjdk4wu1yYV5G6m LoS3WFS6/aFu7H723y9giDL4LRd97WxLm1OaNeEq6A== X-Google-Smtp-Source: ABhQp+Rv6ov50kq74shGq3g6ZsUbXZkkbAPkOy8EFFUj4JS3+as6XKIV3f+UPi5gRA7Ydq1iKCViK+r9lqQRdrYcNLY= X-Received: by 10.99.66.130 with SMTP id p124mr18974194pga.0.1510060387316; Tue, 07 Nov 2017 05:13:07 -0800 (PST) MIME-Version: 1.0 Received: by 10.100.181.108 with HTTP; Tue, 7 Nov 2017 05:13:06 -0800 (PST) Received: by 10.100.181.108 with HTTP; Tue, 7 Nov 2017 05:13:06 -0800 (PST) In-Reply-To: References: <20171103223822.28852-1-ferruh.yigit@intel.com> <20171106184815.9953-1-ferruh.yigit@intel.com> <2004961.P5XXAOnQC2@xps> From: Stephen Hemminger Date: Tue, 7 Nov 2017 14:13:06 +0100 Message-ID: To: Chas Williams <3chas3@gmail.com> Cc: Thomas Monjalon , Ferruh Yigit , stable@dpdk.org, dev@dpdk.org, Jianfeng Tan , Jingjing Wu , Shijith Thotton , Gregory Etelson , Harish Patil , George Prekas , Sergio Gonzalez Monroy , Rasesh Mody , Lee Roberts Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Subject: Re: [dpdk-dev] [dpdk-stable] [PATCH v2] igb_uio: prevent reset for a list of devices X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 07 Nov 2017 13:13:08 -0000 On Nov 7, 2017 20:50, "Chas Williams" <3chas3@gmail.com> wrote: We still have an issue with this and PCI pass-through. If a guest is restarted while using PCI pass-through and igb_uio issues a pci_reset_function(), this causes the host to crash. On Mon, Nov 6, 2017 at 6:55 PM, Thomas Monjalon wrote: > 06/11/2017 19:48, Ferruh Yigit: > > Some devices are having problem on device reset that happens during DPDK > > application exit [1]. > > > > Create a static list of devices and exclude them from device reset. > > > > [1] > > http://dpdk.org/ml/archives/dev/2017-November/080927.html > > > > Fixes: b58eedfc7dd5 ("igb_uio: issue FLR during open and release of > device file") > > Cc: stable@dpdk.org > > > > Signed-off-by: Ferruh Yigit > > Applied, thanks > > An option may be required to disable this exception > which may be a security hole. > > Which host. Anything guest can do to crash host is a high severity big in the host