From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr0-f175.google.com (mail-wr0-f175.google.com [209.85.128.175]) by dpdk.org (Postfix) with ESMTP id 713B0568A for ; Mon, 10 Jul 2017 05:07:47 +0200 (CEST) Received: by mail-wr0-f175.google.com with SMTP id k67so119322437wrc.2 for ; Sun, 09 Jul 2017 20:07:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=weka.io; s=google; h=from:to:cc:subject:date:message-id:organization:in-reply-to :references:mime-version:content-transfer-encoding; bh=mOKHcwFHbgWwW5bumZr4Exer/BUUCEOCXHy7ZDpcOzA=; b=IGizA0tbu8lcF30okOfgbI9Z15QD1JLSgGpqv6THaHjOvy6Lsxcg0HGmRRYzH+Wn+1 khux94MSll6gLNqS162WZF7+7qIWpdAwbi+OsYjMnIjv9irh/Xvo4Bi5jU9PV8/DSu0R UmAxjuBu25Cu9jE4eK0j8RjavTJ1qxVXoMk34= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:organization :in-reply-to:references:mime-version:content-transfer-encoding; bh=mOKHcwFHbgWwW5bumZr4Exer/BUUCEOCXHy7ZDpcOzA=; b=sBjlpiFhAUkB1P7BbCN7woCYOQ0u/CW72ZgaEhyP6adoQtxGoUniXqacaCVdP+2Hlu wFVJjqz1FTK4HrKJeSHEtYAh0KFiO/Vp0CRaewaGS7Qb19D2jq9ZdRdKsV7T7aHJh3aK ur1N2vhX4Gl+mtGU6meAvMbBwKzyijqSGZoVWKGLky3GWs1nJPUe9NI6/bGSFEglrmbn 3JP9OzUUTl9CeM0r0MviT9EXRPvfpubyeTXR6MTvctCUqNNlqzrMDwN9eopdym2/N1ZH cNh5Aj0cN+fkTQjBgQs2kkljISjf/X63ucu9EjjrhRm86Pu/770qDXhJpKrnu5ZH5Tg1 dQEQ== X-Gm-Message-State: AIVw112Q1gwr4ogmM/55ioIl0KgXAfnhp/D0+k4UFmRoL1FyNU/Vjc/T tlGiJ3LKkswCyGoB X-Received: by 10.28.236.83 with SMTP id k80mr6182128wmh.52.1499656067011; Sun, 09 Jul 2017 20:07:47 -0700 (PDT) Received: from polaris.localnet (bzq-82-81-85-138.red.bezeqint.net. [82.81.85.138]) by smtp.gmail.com with ESMTPSA id g83sm3636859wmf.29.2017.07.09.20.07.46 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 09 Jul 2017 20:07:46 -0700 (PDT) From: Gregory Etelson To: Ferruh Yigit Cc: Shijith Thotton , dev@dpdk.org, Thomas Monjalon , Stephen Hemminger , Jianfeng Tan , Wenzhuo Lu Date: Mon, 10 Jul 2017 06:07:45 +0300 Message-ID: <1912538.AEa4I0QC60@polaris> Organization: Weka.IO In-Reply-To: <5cf77ba2-8c29-ca31-1141-63ca01eff9f5@intel.com> References: <1497260285-27536-1-git-send-email-shijith.thotton@caviumnetworks.com> <1499426031-2664-1-git-send-email-shijith.thotton@caviumnetworks.com> <5cf77ba2-8c29-ca31-1141-63ca01eff9f5@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Subject: Re: [dpdk-dev] [PATCH v2] igb_uio: issue FLR during open and release of device file 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: Mon, 10 Jul 2017 03:07:47 -0000 Hello Ferruh, I could not reproduce server crash with the patch. However, some tests report ixgbe_vf_pmd and i40e_vf_pmd do not receive and transmit frames after process restart, although PMD initialization completed successfully Is there a way to collect PF firmware dump for investigation ? Regards, Gregory On Friday, 7 July 2017 18:10:40 IDT Ferruh Yigit wrote: > On 7/7/2017 12:13 PM, Shijith Thotton wrote: > > Set UIO info device file operations open and release. Call pci reset > > function inside open and release to clear device state at start and end. > > Copied this behaviour from vfio_pci kernel module code. With this patch, > > it is not mandatory to issue FLR by PMD's during init and close. > > > > Bus master enable and disable are added in open and release respectively > > to take care of device DMA. > > > > Signed-off-by: Shijith Thotton > > Gregory, > > Would you mind testing this one? > > Thanks, > ferruh > >