From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1E2B9C43381 for ; Sun, 17 Feb 2019 17:06:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D913E21934 for ; Sun, 17 Feb 2019 17:06:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="HzNrItNO" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727812AbfBQRGM (ORCPT ); Sun, 17 Feb 2019 12:06:12 -0500 Received: from mail-wr1-f66.google.com ([209.85.221.66]:38871 "EHLO mail-wr1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727767AbfBQRGM (ORCPT ); Sun, 17 Feb 2019 12:06:12 -0500 Received: by mail-wr1-f66.google.com with SMTP id v13so15658462wrw.5 for ; Sun, 17 Feb 2019 09:06:11 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=MvYXCyZlyCkLYDFDMHaGz5DhaYgYG4L3Rm/BQBa3A2s=; b=HzNrItNO4uffEcowtv6QZRSElmwvVGihiZb5hO/iFxZnOgs6MWZxKAnHdiTyUHc0PL N4mwUyshPdLpKpNPHxqN40holV+RZQ0s/sM6hhwGv+C7oRFo1u0aWDevMQWz5FDEJqTk Do5di6oCancnFhfN1LfEzv2vm3Ohtq8z7wUectb2RapPCOhyshu2pYW85moGLzLSEirB X7i1SvCuGPdTjgxtwArlxdeLkAHpgUDZWs35++5QyIccKF7vyxN+S7NabCtcNMJ+7qsb GgOOylqYQ47nnkoe+uRtJvOmkFezQkZncmhuYlCEbhoXDo2YpDNlS1rYyOUpNtfD9Zwm aU/A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=MvYXCyZlyCkLYDFDMHaGz5DhaYgYG4L3Rm/BQBa3A2s=; b=RA4YHqy6j4G0l8O5C9BERRZq/JuZJbggM4/U5FGacCB49Kwfi02//QVH/W+XEXHknW XkajPWfwmXSUzlc0gddT11lOg0Zp4unppoI+8FpkH+Y7xncr37tv2Fwcx+vj13W30NWx ocOiCIB+7eJ3fMx3sCx92GW9NiBqUWDdDspIV/uAdrnYOjUSXVUeb+n18CzO9Y41DxNl 51vFAiXpgF8W6fHXbs7P4hZfC01fOcnKZrw5to2y1KJwiMzbA5m7/C08RH7pcSf1+x8h Ba8Q2l7+2kawK6dRnFXEIBx+vMmEQmNv7u4hcB0oyuWF7ECBlqH3GBvFcg4kRKyVW/jx l9nQ== X-Gm-Message-State: AHQUAuZ4iFIJ7pbEyqclqy3C1AkBg5NOJwQIwO1hWITQvig4ugNKG/H0 p2x2WMHFPJ0r6gH/1kTXdY15QYOi X-Google-Smtp-Source: AHgI3IYzkv6PBzdGOLgLndGsRkTYHrOywC1Smvuy+ZHuHprXN10Ze+/DADYVUr7Jggvq2ckVxkNuwA== X-Received: by 2002:adf:ba05:: with SMTP id o5mr13463191wrg.325.1550423169995; Sun, 17 Feb 2019 09:06:09 -0800 (PST) Received: from ?IPv6:2003:ea:8bf1:e200:cd26:6dfa:b5c4:31f1? (p200300EA8BF1E200CD266DFAB5C431F1.dip0.t-ipconnect.de. [2003:ea:8bf1:e200:cd26:6dfa:b5c4:31f1]) by smtp.googlemail.com with ESMTPSA id w23sm11773072wmc.38.2019.02.17.09.06.09 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 17 Feb 2019 09:06:09 -0800 (PST) Subject: Re: No traffic with Marvell switch and latest linux-next To: Andrew Lunn Cc: Russell King - ARM Linux admin , Florian Fainelli , "netdev@vger.kernel.org" References: <0907f213-df83-4bb8-8fad-21b1dedaeca5@gmail.com> <20190217154026.tykxexcndx7l5urk@shell.armlinux.org.uk> <291e7622-4402-e58f-503c-ffc7c6b2f055@gmail.com> <20190217165730.GF5968@lunn.ch> From: Heiner Kallweit Message-ID: Date: Sun, 17 Feb 2019 18:06:03 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.5.1 MIME-Version: 1.0 In-Reply-To: <20190217165730.GF5968@lunn.ch> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 17.02.2019 17:57, Andrew Lunn wrote: >> There haven't been that many changes to mv88e8xxx since 5.0-rc6. >> I reverted 7c0db24cc431 ("dsa: mv88e6xxx: Ensure all pending interrupts >> are handled prior to exit") who looked like a candidate and bingo: >> network is working again. Obviously something is wrong with this patch. > > O.K. I tested it on an edge interrupt system, but not a level > interrupt. I wounder if it is related to that somehow? DTU should be > using level interrupts. > Sorry, I may have been too fast with this statement. With this patch reverted it worked, but now I have a build with this patch still included, and it works too. Need to dig deeper .. > Andrew > Heiner