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Date:   Mon, 1 Jul 2019 15:35:07 +0200
From:   Andrew Lunn <andrew@lunn.ch>
To:     Heiner Kallweit <hkallweit1@gmail.com>
Cc:     Karsten Wiborg <karsten.wiborg@web.de>, nic_swsd@realtek.com,
        romieu@fr.zoreil.com, netdev@vger.kernel.org
Subject: Re: r8169 not working on 5.2.0rc6 with GPD MicroPC
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> 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