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To: netdev@vger.kernel.org Openpgp: preference=signencrypt Autocrypt: addr=mulx@aplu.fr; prefer-encrypt=mutual; keydata= mQINBFV9lJwBEACg8wMeoNKrIz/Hwd5z3kCHR8hGh0EDrodFNuNICJHU9ZiH6huCfxgFiaUn gZj/aRY0bwTEXamCk6DvY+oqjgFnMJj+uBrghC3Fsv5D8VLhGw57DvrBu8Wv8bBdqCoHnXHx 1tPsbzH4VxUuoeQ+h7vkU06kl+Q6gPYMR6lxLbjMymew1s0lnrteIO3twXFCFCIrrS+w60gR Gy/Ri963LvPnwPyHEk9iKoX5fZm533oU6It1wDKS4uuEIOqtiEO2HDj2EuPW8BFihGxTmaGc 1LdgYebndIANnpsBCVJqWH/NJucjiT6HQH1tNymbyefBW++bm2cXhE+DecWBHVKrscz1ZYrO HD8XKSnW4rfBFp9zigTuAptwxVIVHfDINpEasAJw4XAXPr5mKSJKjFkLvdAIOp9hnbJ8K1za mmdVR+Ss2C4uqmP06F2mjexyS1reTeVnb0DeXsCCdPEDOrFF4EppYT/kWIyjobVODEiUcf+V 5Bdl5185g8vTRjSJuj2RHzqdRoM6BrP2SYjdeL0OWaEn6GJnVh1KGHM2gNMtniSlYCXG1swR 3s2YNNrdA6ghmgFfcRm8pmdoeFVf6PnIL/VZmMpaWrMa3nn2pH2JE8QXyrbMrrhpKpjK1+iy MTyblpnrQQsWpUm+TmShiFWMFv8/9Kt4uJN2aVc//Gh4ZzepcQARAQABtB1BeW1lcmljIC8g QVBMVSA8bXVseEBhcGx1LmZyPokCNwQTAQgAIQIbAwIeAQIXgAUCVX2pXgULCQgHAwUVCgkI CwUWAgMBAAAKCRCtm5iFnQ7spzkcD/9/mJ+9xE5m1yeVCDKl6JPITA4hda5Dqae0RL+wUwUr 5kwoPZ4/QSJvBdHlUDyPCbwoUIxc/Adi5XzV7xI2fUMlNODOlvSiQvYEeTEtcfMYQF+3a9LA H8rYfcba0LJpWa8nT8lEBUkcQLJv91e7QfPz7BbpRH/8DBAUh8OUG7+MCGE9FushMSEpuh4Z +1XnDvZXGuvrewmlIbG+afjhu/MAS9IiiP0/SOS+BgPi/EenioOqpDcY1eNp6wAPwj3JDh2a aHfcSkMTciJO/42vvrHC6J0XcVt0mg0xZgom0oRvY8m6t4yac87mL6dFsDbzadlHqut9X5QZ aafRbexgqZ/BMdTl7qHjTmq7OjwHqoZmGBJh9Zfdt490D6e6fxXjtkPJJz+RJxmN0p+Kn3w4 Stlu/qDP3Tq8pu6DTq8/hK2sa5g1vQiY2dI3mM1B7MnPPTro+dfYy1FyJOC+kvXsIsH164V2 2f0duCobs9UJmqd2jqGAD+RiF/jhpbFk9FEUnMLtwPrnaZjBb3/vXBhK5/+oo/Nmvg+DZbyC CIyxD1wsgFwQAKyUpr3eNOR3ueEIrdHjLrj4Hd4y3z+Z0wCXSVEyD5oyKONbAtEzyyPz40xG Udj+1RqEuCSxQpBiVESfz+/BPI/TdnACKLOtMHqAnj6/ut4QLfnfLrcJvPXZ41dezbkCDQRV fZScARAAxZfd2uWFyQA15y7RFEdtKtW/7tMGWla6k5CvngA0iiCb71eg77sMTMlwZb7akBDg 6+XzcKSggRInQGOO9SL4N+sNHbBfHh7odADFzmqGjY32EFM43R31DJgPui5AQvsHD1zzF6vX JCervMwxZx4/62u/XNgVO2ZqnAqOr4qICnUREdnzdFL/azNQaFLcYjV4Aqu3F0d5djPT5dbx dqzj6/TI5GAXmd/LDCmZf9zN+z6ImSTwqr7JKzbV4a/f2e4PCsWkghXZx32QzLnL+Fm/HYRf yGUhBfK8/uagjaanY4Vl2Xz4tlthGZU1itcpN2s6cOf8DjtphfG3Ubdfut9BuE05RkngKhuH gd8CYnVzt7ggwJZbgTxjL0Galjk8kMjDJpHsBNGRinvgXdlRKw7WYybAjdYITIrZHSvurFyp lkuKDlZahcmD4ageTWNOCWjh5YXaP1yiNMMy6hHgaWVth+ieHWgiBstJD4HL1O5UOPBw+aLJ C1IIvDRMW6rMWQo224COMg5E0517CLjSnRa34Y1/5ctJpcH+wYqus9+vSySNoqYxDM7lHzmH 8FNmemHgkFxNShL5UA5vgG11B40yGNwTaKoAXNhOAcn2P94ns7UEmPu4lqayb2P1JQq+8ud/ FCWBYA2eFnyEHFJY4oFxP+o2yztPZncO7XpVmc++SGsAEQEAAYkCHwQYAQIACQUCVX2UnAIb DAAKCRCtm5iFnQ7spzwoEACK1hpkqjCt/Rz3PyK9soSR84210IgQYLCkPNa2VviA/RlLipne 1+xOke8RnsA7OqWbbAfOqxCh2jpvbxxaDg8zEZg1u4sEG9c0p5x8q9piv84kNGt3yP55SOop JfS4t1pgAPlk6lICXspNa27GQH9ugentsHpSCxeRDzG7/3bvlNJpDhZZqqOxdl9Hb8MvKgwo W/r3Tg/r44WaPIcpfA6QLgQITJoVS50xbrsby7YEUPt+uwjF8SFs/34MCQ17adHMnPmuhxRS /xGZcfis68wBIBylTswtmaSd71GTS1dgBY7KWpcoGph0B8+FyBuOUJVbnxoRVW+v1O9PAT29 r+PIgrOga5bAAd4Vr0OxtZyQQIPthkkKRS0UWz/LCzgNDp6NfG+k4Qc7PU9v02ZmkyrICyKM GF7uocuf5Cqrm6NXFSzXEalzg3HduOtA6vG3Q0iCKtxYDJijWdvxxoNeQckp8eI5bzwEaFi6 td1Vd14/6T+YxFN1z7SRYvjRJpbIoFibabIfNCY3DcVzI1eXYMqFYsyQu0IEqc4MlhYENjaP 2kioKscv60o7gyOt/LRd9nrPlY8QyZqbHA7RPFzDLvVBvcdid4HatVWeqchEgOXUp8K1MN/M GMkOdDL8YH/m2Zk/dvp+YaPcbcstXgclNzL8brWB0tGmn/Z+trwoqL/wAA== Message-ID: Date: Wed, 19 Jun 2019 22:18:37 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 MIME-Version: 1.0 X-AV-Checked: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190619_131902_228952_6BA116C3 X-CRM114-Status: GOOD ( 13.25 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "linux-amlogic@lists.infradead.org" Content-Type: multipart/mixed; boundary="===============8654952591999055435==" Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --===============8654952591999055435== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="wRpdc7aNamnn3aaDx314j8th9RqUA7EE7" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --wRpdc7aNamnn3aaDx314j8th9RqUA7EE7 Content-Type: multipart/mixed; boundary="4nGfLzgvZoVW9yYu23sxNdDF84niVQwNk"; protected-headers="v1" From: Aymeric To: netdev@vger.kernel.org Cc: "linux-amlogic@lists.infradead.org" Message-ID: Subject: network unstable on odroid-c1/meson8b. --4nGfLzgvZoVW9yYu23sxNdDF84niVQwNk Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Content-Language: en-US Hello all, I've an ODROID-C1 board (a meson8b/S805) and I've some network unstablity with current mainline kernel; as time of writting, tested 5.0.y, 5.1.y, 5.2-rc4 and didn't try with any others versions. After a few talks on linux-amlogic mailing list, I've been pointed here to find and, hoppefully, fix the issue. The whole thread on linux-amlogic is available here: [=C2=B9] A short summary: 1. With Kernel 3.10.something made by Hardkernel (the one from the board vendor), the network link is working at 1 gigabit and stay at 1 gigabit. 2. With Kernel 5.0.y, 5.1.y, mainline, the network link goes from up to down every few seconds at 1 gigabit (making the board unusable) but is working fine when forced at 100Mb (using ethtool command). 3. The ethernet cable is not the cause of the issue (see #4). 4. After a few more check, I was able to narrow the problem. It's only present when the board is connected to my "internet box" (a Livebox 3/Sagemcom) but not with a "stupid" d-link switch (both have gigabit capability). 5. With the help from Martin on linux-amlogic I've tried to disable EEE in the dtb but it didn't change anything. 6. An extract of the dmesg output grepping ethernet and meson is here when the issue is occuring: [=C2=B2]. And the last comment from Martin and why I'm sending a mail here: - the Amlogic SoCs use a DesignWare MAC (Ethernet controller, the driver is called stmmac) with a Relatek RTL8211F Ethernet PHY. - there's little Amlogic specific registers involved: they mostly control the PHY interface (enabling RMII or RGMII) and the clocks so it's very likely that someone on the netdev list has an idea how to debug this because a large part of the Ethernet setup is not Amlogic SoC specific So if you've got any idea to fix this issue.. :) Thanks in advance, Aymeric. [=C2=B9]: http://lists.infradead.org/pipermail/linux-amlogic/2019-June/012341.html [=C2=B2]: https://paste.aplu.fr/?b5eb6df48a9c95b6#sqHk8xhWGwRfagWNpL+u7mIsPGWVWFn2d= 7xBqika8Kc=3D --4nGfLzgvZoVW9yYu23sxNdDF84niVQwNk-- --wRpdc7aNamnn3aaDx314j8th9RqUA7EE7 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Comment: Using GnuPG with Thunderbird - https://www.enigmail.net/ iQIzBAEBCAAdFiEETiI6EfJhbwvCiNOQrZuYhZ0O7KcFAl0KmK4ACgkQrZuYhZ0O 7Kd7MQ/+LGRd/cK1PMKhA+H3B9HYGAQMlFegteNAeT4LbO1Lw0VSRigmCysIv1aj 4piJ+Bxyj6+wGN/MYV8ur3ExXSsTdSPFqSwCVpCjVzX3aUensefTUjIpVPfq1voX LA/5J/q9YdpP9X1RQa8rK7nO5pzrzv3meaPFwc/QC7VDtClu8MwxI5v784ShsAUr 3owg+pKDdh4W3HpPmkfG6wKdbRDDrFp5k4fCg65LZFuZuUuK0lRopfsSt7945mPs pVVFa1DOusSF61hfPysss3Dl4x8CIBVhcvRgKoaYcO2JRI1CgrjHi8HXXUFMctzY MZfI7kNGlFb/ryAZlF1TPbZlHuIhWY9vi+vhHwy6Cdu9mstrIpRbnozrPpAiVHMt HaXjPsAn62rjh1oFPNw4AxQLv1kXxV85pKVzGXINz9UdbbgI5KQZdpdDb3vavzBh cg2oWgFBj2gz1223g9gGtOzY5BH9RLyuPuoVvX29au6YABkrJFcb2y/x/3c8JuX+ vmn00PFXWoXM6inCUA/r+clok8uVrMTDUiZoxzcSV5Q0InrZminXGw3jwvjlEXMG 7C0XT04nRuqmM4js5mlolztdFd9gVJs23LRHAynTFsuBYo7uwKeFh9KljzAz8v31 kuqu1M7+CtIkC4d7fG4m2VruoOHEW4L63AzSgTEeRycnPH+AC0Y= =jdsN -----END PGP SIGNATURE----- --wRpdc7aNamnn3aaDx314j8th9RqUA7EE7-- --===============8654952591999055435== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic --===============8654952591999055435==--