From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ig0-f169.google.com (mail-ig0-f169.google.com [209.85.213.169]) by dpdk.org (Postfix) with ESMTP id 4544B5A8F for ; Sat, 26 Mar 2016 02:42:45 +0100 (CET) Received: by mail-ig0-f169.google.com with SMTP id av4so22033176igc.1 for ; Fri, 25 Mar 2016 18:42:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to; bh=yoFj1qWavyYQHXKFqsGGPvzysad+5wKqcRT1ZJFAlgE=; b=xMx6aVZAdhUby6yFa1Qkz2GV2i/EcY0Nchcvwi8XZ+BsuKXEr4aRNWb9E1FYEWYpgi tM3cDVsv5+eCNJfuqy0MxOyhWIgdNdLtXJ0Uks6iNZs1+CXQSWI+/ZERMMC9AlgVRAyP OgWMVjH0cQ6EFZw5bNEDmfqzFJgv4vUiCc2plN2YifHxMD3tdaQS7wzuS/sKHdBK6dHU c6lXVEpL6DNGIRBBDyH39Du58gmg/9KicWya70GHxGDrsBkX97MO41tk3zoaAQ/g/8p5 y1ecNG94Be77/gAkgysGgv5G7YCO4g7GgpaHu7VybzzvuOJCFKqT25ctjGs8QpW0yCoJ BjVQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:date:message-id:subject:from:to; bh=yoFj1qWavyYQHXKFqsGGPvzysad+5wKqcRT1ZJFAlgE=; b=g/CZ+G9XyQbCdqFHnwj4HiNNwlgWZ7at9nHpSII6FZ6v9WZHg8VVdoi43E1GNaEQ6e 2xmCb7ltn4jA9Et/dJIJmkWPxDnQHO5VczqflmdZFMUdXQvEbCS+r9gscTRDLLmNp18d tnkNOhL7/yu7fEZg/SZVhfikb3BC4Vithi86jlN2DNm3XS92JCmo8n+BhG+DccMjG4LR mloa5QmwpCqI/geGuRSiX548A7LnaLRalpaIbWkG1BPh/lhACBA47kvDNLoOQgOhl645 6Hi//K+8zL5IDd6sH3muWz4axUvZNyKq/JeApMenvK0WSOV9JpdlAntWuwo4TIwJwPyO bXig== X-Gm-Message-State: AD7BkJLBA1BC69dCrkrt8KGX3+HYgck4bQKZhfQbzDwmvmbJFXKvRjL7WBP3I3EohyuD9bWeDDSwhHJ7TFi8BQ== MIME-Version: 1.0 X-Received: by 10.50.17.67 with SMTP id m3mr1204357igd.95.1458956564782; Fri, 25 Mar 2016 18:42:44 -0700 (PDT) Received: by 10.79.14.215 with HTTP; Fri, 25 Mar 2016 18:42:44 -0700 (PDT) Date: Sat, 26 Mar 2016 02:42:44 +0100 Message-ID: From: Marc Sune To: dev@dpdk.org, Wenzhuo Lu Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Subject: [dpdk-dev] e1000: randomly loosing link change events triggered by the peer X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 26 Mar 2016 01:42:45 -0000 I found that in the current HEAD in master testing it with an I218-LM in autoneg mode, when link is forced to be renegociated by the peer (e.g. via ethtool on a peer Linux box) _some_ change events are lost. It is quite random, but it seems to happen more while changing the speed than when changing the duplex mode. However, when one or more link change events have been lost and the phy medium is disconnected and reconnected, the link speed and duplex mode are then correctly updated. Marc