From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 28622A0548 for ; Tue, 27 Apr 2021 11:47:27 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 9B3184067E; Tue, 27 Apr 2021 11:47:26 +0200 (CEST) Received: from mail-vk1-f178.google.com (mail-vk1-f178.google.com [209.85.221.178]) by mails.dpdk.org (Postfix) with ESMTP id 6B49740150 for ; Tue, 27 Apr 2021 11:47:24 +0200 (CEST) Received: by mail-vk1-f178.google.com with SMTP id u200so10219095vku.3 for ; Tue, 27 Apr 2021 02:47:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=5oaxLCkMFmDq/tFXHsj7xaK7h/KSEWzZZFu1AbRPYV4=; b=pmkEMlbA2GQ2foIeWmv5PRM5FTnMO7gKc11BbMCR61VyzgsUD/xtDkuFDUUN2kH7VX dcnoL5vTITEaViFxwD6PozVZ8iwQ3Ak42F6cOmvIZ1HUkr/jXaIlsJluYQR+h2QfszXs XLx338GMMixW6uWOkYsX5MPhipnvAO0OgbKW3ZjryBSNCseQBSQm81xSD7+EJCudKXSy b34Sh4CsPnPbPJ+71sQVq/idA7UHevieMNmqeAHAsHwVfnepRnf92kELdHm4969YVFn0 OEXvKTOYb0nEcOgKNqgDQq54+ADBRauRC16qM8LchvPvYlWhsIP+PWBm/8jT2iwbK07v z2aw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=5oaxLCkMFmDq/tFXHsj7xaK7h/KSEWzZZFu1AbRPYV4=; b=XPj0ErmfuZODKTCrZGPxDY/SQD76L3Cmg8F89k6YG8DRBl6b9qq+2eqYMxm/XqCH+C TxmROkru2Q0VkEiCoB2zs/ISTeFEIxVXBlQCWgRHUqhCrEyR+2XRhZWGo4Nk5sTdkRmW tAXy1nfrotlCZ8zbdPjyxi6cXtz6IN8x61o1QbQoHcJsuykSdseCCrugN0bYO2SL8ZiO b56kYPRkUUxvTxjv1unHM8GL3NXYuOV2734ivRxEk1E0z0coRigg7bwv0QDmgzot7v8q 8r/xj5/buVPn+R2YOI/cwvjzoklabokFX50ZvtiD1bVkZ5kHqgxO9Mbc9yHBplEAI5vi GO+w== X-Gm-Message-State: AOAM531eCuwavE6bmZk0rnWzksWIRk90zOEo5F/L3cLvtdGDXiMwHO4K NoYqNpKfaCIADw0DG4FpOPmWTz9tZMdClcuAhsShn7mR2ULqfg== X-Google-Smtp-Source: ABdhPJworqEvOIfY5PnkmnlJG/SXOZY1F7sShaTBWl41x2owLx6H0dMvXasmkgvP06LJ5PW6ZMY74e0V2JVD3BO+nJE= X-Received: by 2002:a05:6122:7ca:: with SMTP id l10mr10668084vkr.8.1619516843453; Tue, 27 Apr 2021 02:47:23 -0700 (PDT) MIME-Version: 1.0 From: vikram T Date: Tue, 27 Apr 2021 15:17:12 +0530 Message-ID: To: users@dpdk.org Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.29 Subject: [dpdk-users] Packet Drop seen when Oracle Linux upgrade to OL7.8 - DPDK 19.11 X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: users-bounces@dpdk.org Sender: "users" Hi, It was observed that in DPDK packet drops were observed when OS was upgraded to Oracle Linux 7.8 i.e: From *4.14.35-1818.3.3.el7uek.x86_64* ==> *4.14.35-1902.300.11.el7uek.x86_64*. After reverting back to the older kernel (4.14.35-1818.3.3.el7uek.x86_64) there were no packet drops. DPK version being used is - DPDK v19.11. Any lead to understand the root cause would be appreciated. What factors could affect the kernel upgrade? Regards Vikram