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=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 89E43C282DD for ; Fri, 10 Jan 2020 19:23:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4B22C2082E for ; Fri, 10 Jan 2020 19:23:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=lunn.ch header.i=@lunn.ch header.b="oAJsyBTq" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728202AbgAJTXW (ORCPT ); Fri, 10 Jan 2020 14:23:22 -0500 Received: from vps0.lunn.ch ([185.16.172.187]:60514 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728019AbgAJTXW (ORCPT ); Fri, 10 Jan 2020 14:23:22 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lunn.ch; s=20171124; h=In-Reply-To:Content-Type:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Sender:Reply-To:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=AaOWYWDQdbzSOvBU3U1oPjEcoWoLZrkOfW+sanpYw7E=; b=oAJsyBTqKjoR9zF16uydQygoEf qTvFiZ5NAnBJCe/UdIlmYDUyUHJZp/lrw1gxSOhJGOL4iEyqq4yPOO7eAfa/pDaGBVppJTSTu8dTH CqjZxxq1EFlfMkMWas2a9w48BvTC6EthbatVAXx/Lz/bibH7GilZtx45s1N3oAV2k4Wk=; Received: from andrew by vps0.lunn.ch with local (Exim 4.93) (envelope-from ) id 1ipzsM-0003hP-44; Fri, 10 Jan 2020 20:23:18 +0100 Date: Fri, 10 Jan 2020 20:23:18 +0100 From: Andrew Lunn To: =?utf-8?B?0b3SieG2rOG4s+KEoA==?= Cc: Russell King - ARM Linux admin , netdev@vger.kernel.org Subject: Re: [drivers/net/phy/sfp] intermittent failure in state machine checks Message-ID: <20200110192318.GN19739@lunn.ch> References: <20200110125305.GB25745@shell.armlinux.org.uk> <20200110150955.GE25745@shell.armlinux.org.uk> <20200110163235.GG25745@shell.armlinux.org.uk> <717229a4-f7f6-837d-3d58-756b516a8605@gmx.net> <20200110170836.GI25745@shell.armlinux.org.uk> <12956566-4aa3-2c5d-be1a-8612edab3b3d@gmx.net> <20200110173851.GJ25745@shell.armlinux.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org > If really necessary I could ask the TOS developers to assist, not sure > whether they would oblidge. Their Master branch build bot compiles twice a > day. > Would it just involve setting a kernel debug flag or something more > elaborate? You could ask them to build a kernel with dynamic debug enabled https://www.kernel.org/doc/html/latest/admin-guide/dynamic-debug-howto.html You can then turn on debugging in a flexible way. And it will be useful for more than just you. Andrew