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[2003:ea:8bd6:c00:8dac:9ad2:a34c:33bc]) by smtp.googlemail.com with ESMTPSA id 32sm23990533wra.35.2019.07.01.11.51.34 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 01 Jul 2019 11:51:34 -0700 (PDT) Subject: Re: r8169 not working on 5.2.0rc6 with GPD MicroPC To: Karsten Wiborg , Andrew Lunn Cc: nic_swsd@realtek.com, romieu@fr.zoreil.com, netdev@vger.kernel.org References: <4437a8a6-73f0-26a7-4a61-b215c641ff20@web.de> <62684063-10d1-58ad-55ad-ff35b231e3b0@web.de> <20190630145511.GA5330@lunn.ch> <3825ebc5-15bc-2787-4d73-cccbfe96a0cc@web.de> <27dfc508-dee0-9dad-1e6b-2a5df93c3977@gmail.com> <173251e0-add7-b2f5-0701-0717ed4a9b04@web.de> <116e4be6-e710-eb2d-0992-a132f62a8727@web.de> <94b0f05e-2521-7251-ab92-b099a3cf99c9@gmail.com> <20190701133507.GB25795@lunn.ch> <672d3b3f-e55d-e2bb-1d8c-a83d0a0c057a@web.de> From: Heiner Kallweit Message-ID: Date: Mon, 1 Jul 2019 20:51:27 +0200 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.7.2 MIME-Version: 1.0 In-Reply-To: <672d3b3f-e55d-e2bb-1d8c-a83d0a0c057a@web.de> 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 01.07.2019 20:15, Karsten Wiborg wrote: > Hi Andrew, Heiner, > > the device is a really small notebook. So detaching mains still leaves > the battery which is delicately built in. So can't currently remove > power completely. > > Anyway can I deliver more debugging data to you guys which might add > support for the r8169 for this device? > The information is sufficient now. Still, using a random MAC address is an emergency fallback. The device is simply broken. I contacted GPD, let's see whether they respond something. In parallel I'll add a random MAC address as fallback to the mainline driver. > Regards, > Karsten > Heiner > On 01/07/2019 15:35, Andrew Lunn wrote: >>> When the vendor driver assigns a random MAC address, it writes it to the >>> chip. The related registers may be persistent (can't say exactly due to >>> missing documentation). >> >> If the device supports WOL, it could be it is powered using the >> standby supply, not the main supply. Try pulling the plug from the >> wall to really remove all power. >> >> Andrew >> >