From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <3chas3@gmail.com> Received: from mail-it0-f68.google.com (mail-it0-f68.google.com [209.85.214.68]) by dpdk.org (Postfix) with ESMTP id 0F9241B39E; Tue, 7 Nov 2017 19:15:00 +0100 (CET) Received: by mail-it0-f68.google.com with SMTP id 72so3372834itk.3; Tue, 07 Nov 2017 10:15:00 -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 :cc; bh=7oxAdjEm6FTxlXmk4FSeIEhnBAXhEtLHH6FARoC2ePA=; b=oP51lEdvpUtPhC/xiphSN9kGI7XpTk113rlHKQQp+hssKp0GGyT9jqoRuQmcgVeVrf 5frscmBfEumYaSUjN0sqhGvq/Tt4M8yKbOTOFBfVzI1S0NToTV2Y95lMEr5f5/wFQrR+ 2eiQfzRIfImT2cvTmCmSJLplSuSCXH1e9GKfO96WCL5sHZ7DImJzDMsDPQLOy0vtbbXZ y1nXWinLLHEP2DUzXPulrgIHIU5cL+gAhzqbAfTfiC11Ia6YEWvhWJEi7zr6E7AJRFPq 5TvvuumH7Gn5I3SbgOibm9mJ4JCSd25yjg41R0mrk1gVzRpweqkpEuTiOc40A5ZD9f2U GIJw== 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=7oxAdjEm6FTxlXmk4FSeIEhnBAXhEtLHH6FARoC2ePA=; b=UPlltA/s5rMneMCJRb9PWSVz+uGRk9uEHt69x8l6Wt/2RQVW8dN9ZqsGyLFJoquh/s nPjJpuoX2VmeZWoP8zmG9g9JgyEohbW0sNpc/wLrCPt2vwbALNs4CyBKfAf7h80xJsiA 5pDXPC3GuK8VKFuM2wDz01XLB3wxzCdyEfcZGdDg28jvcoTuTI4t2APTFJDja81TyNMI pwDjXWA3VsN/hd2OK0M2oYMdmRtktHw14MeD3zS2FTVz1Jq3YoKdr3YwffPxVlSo2QOG 3RkXEYwUOiZ5sxcLz+jfDfAk2fIMI9YDelBUGivKqAE/a4p0UpzkTRuZEGIjQ86Jsmuh xwmA== X-Gm-Message-State: AJaThX603nLJe1cv/GPUyWP9vYI5M1azIOl1dnI4cBUTXjgF+Abd6Xu8 V+Pe40CPddNoEqbv9xNxfJ8y3S8J9oro/auw+oE= X-Google-Smtp-Source: ABhQp+Teh8zwZ2Z+/Vy4GyS69ibqbb+Jgx43Bd8F80PhXWzPaPvq3pHiU0Y03SAmKGOwKRve46fMu/RwxXxAOSK+opM= X-Received: by 10.36.112.143 with SMTP id f137mr104815itc.84.1510078500279; Tue, 07 Nov 2017 10:15:00 -0800 (PST) MIME-Version: 1.0 Received: by 10.107.16.29 with HTTP; Tue, 7 Nov 2017 10:14:59 -0800 (PST) In-Reply-To: References: <20171103223822.28852-1-ferruh.yigit@intel.com> <20171106184815.9953-1-ferruh.yigit@intel.com> <2004961.P5XXAOnQC2@xps> From: Chas Williams <3chas3@gmail.com> Date: Tue, 7 Nov 2017 13:14:59 -0500 Message-ID: To: Stephen Hemminger 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 18:15:01 -0000 Regardless if the issue is actually in the host kernel, I cannot fix all the hypervisors so I must attempt to be well behaved as a guest. On Tue, Nov 7, 2017 at 8:13 AM, Stephen Hemminger < stephen@networkplumber.org> wrote: > > > 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 >