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c=simple/simple; d=aplu.fr; s=s4096; t=1561017352; bh=I9yh62n62fOtNAxNA/Rg9Z/P51cUAU9tBtya1CFeQ4I=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=RbquC23fVadb2GRbKQQ7XNWjEadEkEfGI/tzy5jbgqGuXdRkqfd0O7JaGoqiEqvVK iA7uH35Ty5wIArRlwEK37Eh2uPihtTFZi+YfmT4fhZNOze6HtGwpZmyAYPK3h01VIK bI0W0Xu+5iXEmCJ83Mc0bP7pR3eEt/HKWtDcE06Kt1QWZ9sBf8zWakByOClfPTOey6 q+Ru+dGtHDWWcLRz0f7E2oiz5WybqdvFwPNfdvj5aRqmegmb4ilQcDi4ItIUJNQjMY WHJMU9ffkq15T33xhSqeWk0mblmZl8cwF+JoMUWsE2OH9HM5Gxr/MNmpQ7oKltKJv7 w/+R5z1SsZPvpbNZTlptMh1jBDZl1IAHzeWuPWn7mMKUrqJZpHg9IALHQAUEB2irak KyOqnHdQT314oBSFqm61xTRNxWp1y5bRoIyUlCad4qr/hh6ZYjGTUhAuEmQ83x37q/ 5/Qal684FNbY0g1ygqSilQQs71Nn1ZBNQx8lmaL6iswf0MqTTuclRuer3tZ7TkAkan snZZE7NYcc1sjtRfqDAybXgOE3gEGRl2XY98or7DRxLz6YP6u6XG7XXV5AWO6+zbOi Hr6vTSia+jkQIRSSV5AGo4A1BbdW4LHWxWowOPCtJrjxyT2UhL05Z7IBDuQVEgKwoN OYXZ/Gw6VrKK5fGA010kD64g= MIME-Version: 1.0 Date: Thu, 20 Jun 2019 09:55:50 +0200 From: Aymeric To: Heiner Kallweit Subject: Re: network unstable on odroid-c1/meson8b. In-Reply-To: <0df100ad-b331-43db-10a5-3257bd09938d@gmail.com> References: <0df100ad-b331-43db-10a5-3257bd09938d@gmail.com> Message-ID: X-Sender: mulx@aplu.fr User-Agent: Roundcube Webmail/1.2.9 X-AV-Checked: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190620_005601_014399_6CDDD9FA X-CRM114-Status: GOOD ( 11.96 ) 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: Martin Blumenstingl , netdev@vger.kernel.org, linux-amlogic@lists.infradead.org Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org SGksCk9uIDIwMTktMDYtMjAgMDA6MTQsIEhlaW5lciBLYWxsd2VpdCB3cm90ZToKPiBPbiAxOS4w Ni4yMDE5IDIyOjE4LCBBeW1lcmljIHdyb3RlOgo+PiBIZWxsbyBhbGwsCj4+IAoKPiBLZXJuZWwg My4xMCBkaWRuJ3QgaGF2ZSBhIGRlZGljYXRlZCBSVEw4MjExRiBQSFkgZHJpdmVyIHlldCwgdGhl cmVmb3JlCj4gSSBhc3N1bWUgdGhlIGdlbnBoeSBkcml2ZXIgd2FzIHVzZWQuIERvIHlvdSBoYXZl IGEgbGluZSB3aXRoCj4gImF0dGFjaGVkIFBIWSBkcml2ZXIiIGluIGRtZXNnIG91dHB1dCBvZiB0 aGUgdmVuZG9yIGtlcm5lbD8KCk5vLgpIZXJlIGlzIHRoZSBmdWxsIG91dHB1dCBvZiB0aGUgZG1l c2cgZnJvbSB2ZW5kb3Iga2VybmVsIFvCuV0uCgpJJ3ZlIGFsc28gbm90aWNlZCBzb21ldGhpbmcg c3RyYW5nZSwgaXQgbWlnaHQgYmUgbGlua2VkLCBidXQgbWFjIGFkZHJlc3MgCm9mIHRoZSBib2Fy ZCBpcyBzZXQgdG8gYSByYW5kb20gdmFsdWUgd2hlbiB1c2luZyBtYWlubGluZSBrZXJuZWwgYW5k IApJJ3ZlIHRvIHNldCBpdCBtYW51YWxseSBidXQgbm90IHdoZW4gdXNpbmcgdmVuZG9yIGtlcm5l bC4KCj4gCj4gVGhlIGRlZGljYXRlZCBQSFkgZHJpdmVyIHRha2VzIGNhcmUgb2YgdGhlIHR4IGRl bGF5LCBpZiB0aGUgZ2VucGh5Cj4gZHJpdmVyIGlzIHVzZWQgd2UgaGF2ZSB0byByZWx5IG9uIHdo YXQgdWJvb3QgY29uZmlndXJlZC4KPiBCdXQgaWYgd2UgaW5kZWVkIGhhZCBhbiBpc3N1ZSB3aXRo IGEgbWlzY29uZmlndXJlZCBkZWxheSwgSSB0aGluawo+IHRoZSBjb25uZWN0aW9uIHNob3VsZG4n dCBiZSBmaW5lIHdpdGgganVzdCBhbm90aGVyIGxpbmsgcGFydG5lci4KPiBKdXN0IHRvIGhhdmUg aXQgdGVzdGVkIHlvdSBjb3VsZCBtYWtlIHJ0bDgyMTFmX2NvbmZpZ19pbml0KCkgaW4KPiBkcml2 ZXJzL25ldC9waHkvcmVhbHRlay5jIGEgbm8tb3AgKGluIGN1cnJlbnQga2VybmVscykuCj4gCgpJ J20gbm90IGFuIGV4cGVydCBoZXJlLCBqdXN0IGFkZGluZyBhICJyZXR1cm4gMDsiIGhlcmVbwrJd IHdvdWxkIGJlIAplbm91Z2g/Cgo+IEFuZCB5b3UgY291bGQgY29tcGFyZSBhdCBsZWFzdCB0aGUg YmFzaWMgUEhZIHJlZ2lzdGVycyAweDAwIC0gMHgzMAo+IHdpdGggYm90aCBrZXJuZWwgdmVyc2lv bnMsIGUuZy4gd2l0aCBwaHl0b29sLgo+IAoKVGhleSBhcmUgbm90IHRoZSBzYW1lIGJ1dCBJIGRv bid0IGtub3cgd2hhdCBJJ20gbG9va2luZyBmb3IsIHNvIGZvciAKa2VybmVsIDMuMTAgW8KzXSBh bmQgZm9yIGtlcm5lbCA1LjEuMTIgW+KBtF0uCgpBeW1lcmljCgpbwrldOiAKaHR0cHM6Ly9wYXN0 ZS5hcGx1LmZyLz8zOGVmOTViNDRlYmRiZmMzI0c2NjYvWWJoZ1UrTyt0ZEMvMkhhaW1VQ2lnbTha VEI0NHF2UWlwL0hKNUE9ClvCsl06IApodHRwczovL2dpdGh1Yi5jb20vdG9ydmFsZHMvbGludXgv YmxvYi8yNDFlMzkwMDQ1ODE0NzViMjgwMmNkNjNjMTExZmVjNDNiYjAxMjNlL2RyaXZlcnMvbmV0 L3BoeS9yZWFsdGVrLmMjTDE2NApbwrNdOiAKaHR0cHM6Ly9wYXN0ZS5hcGx1LmZyLz8yZGRlMWMz MmQ1YzY4ZjRjIzZ4SWE4TWpUbTZqcEk2Y2l0RUpBcUZUTE1NSERqRlpSZXQvTTAwL0V3alU9Clvi gbRdOiAKaHR0cHM6Ly9wYXN0ZS5hcGx1LmZyLz8zMjEzMGU5YmNiMDVkZGU3I04veGRudmI1R2ts Y0p0aU94TXBUQ20rOWdzVWxpUndIOFgzZGN3U1Yrbmc9CgpfX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fXwpsaW51eC1hbWxvZ2ljIG1haWxpbmcgbGlzdApsaW51 eC1hbWxvZ2ljQGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcv bWFpbG1hbi9saXN0aW5mby9saW51eC1hbWxvZ2ljCg== 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=-5.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 1F57DC43613 for ; 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dmarc=fail (p=none dis=none) header.from=aplu.fr DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=aplu.fr; s=s4096; t=1561017352; bh=I9yh62n62fOtNAxNA/Rg9Z/P51cUAU9tBtya1CFeQ4I=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=RbquC23fVadb2GRbKQQ7XNWjEadEkEfGI/tzy5jbgqGuXdRkqfd0O7JaGoqiEqvVK iA7uH35Ty5wIArRlwEK37Eh2uPihtTFZi+YfmT4fhZNOze6HtGwpZmyAYPK3h01VIK bI0W0Xu+5iXEmCJ83Mc0bP7pR3eEt/HKWtDcE06Kt1QWZ9sBf8zWakByOClfPTOey6 q+Ru+dGtHDWWcLRz0f7E2oiz5WybqdvFwPNfdvj5aRqmegmb4ilQcDi4ItIUJNQjMY WHJMU9ffkq15T33xhSqeWk0mblmZl8cwF+JoMUWsE2OH9HM5Gxr/MNmpQ7oKltKJv7 w/+R5z1SsZPvpbNZTlptMh1jBDZl1IAHzeWuPWn7mMKUrqJZpHg9IALHQAUEB2irak KyOqnHdQT314oBSFqm61xTRNxWp1y5bRoIyUlCad4qr/hh6ZYjGTUhAuEmQ83x37q/ 5/Qal684FNbY0g1ygqSilQQs71Nn1ZBNQx8lmaL6iswf0MqTTuclRuer3tZ7TkAkan snZZE7NYcc1sjtRfqDAybXgOE3gEGRl2XY98or7DRxLz6YP6u6XG7XXV5AWO6+zbOi Hr6vTSia+jkQIRSSV5AGo4A1BbdW4LHWxWowOPCtJrjxyT2UhL05Z7IBDuQVEgKwoN OYXZ/Gw6VrKK5fGA010kD64g= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Date: Thu, 20 Jun 2019 09:55:50 +0200 From: Aymeric To: Heiner Kallweit Cc: netdev@vger.kernel.org, linux-amlogic@lists.infradead.org, Martin Blumenstingl Subject: Re: network unstable on odroid-c1/meson8b. In-Reply-To: <0df100ad-b331-43db-10a5-3257bd09938d@gmail.com> References: <0df100ad-b331-43db-10a5-3257bd09938d@gmail.com> Message-ID: X-Sender: mulx@aplu.fr User-Agent: Roundcube Webmail/1.2.9 X-AV-Checked: ClamAV using ClamSMTP Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hi, On 2019-06-20 00:14, Heiner Kallweit wrote: > On 19.06.2019 22:18, Aymeric wrote: >> Hello all, >> > Kernel 3.10 didn't have a dedicated RTL8211F PHY driver yet, therefore > I assume the genphy driver was used. Do you have a line with > "attached PHY driver" in dmesg output of the vendor kernel? No. Here is the full output of the dmesg from vendor kernel [¹]. I've also noticed something strange, it might be linked, but mac address of the board is set to a random value when using mainline kernel and I've to set it manually but not when using vendor kernel. > > The dedicated PHY driver takes care of the tx delay, if the genphy > driver is used we have to rely on what uboot configured. > But if we indeed had an issue with a misconfigured delay, I think > the connection shouldn't be fine with just another link partner. > Just to have it tested you could make rtl8211f_config_init() in > drivers/net/phy/realtek.c a no-op (in current kernels). > I'm not an expert here, just adding a "return 0;" here[²] would be enough? > And you could compare at least the basic PHY registers 0x00 - 0x30 > with both kernel versions, e.g. with phytool. > They are not the same but I don't know what I'm looking for, so for kernel 3.10 [³] and for kernel 5.1.12 [⁴]. Aymeric [¹]: https://paste.aplu.fr/?38ef95b44ebdbfc3#G666/YbhgU+O+tdC/2HaimUCigm8ZTB44qvQip/HJ5A= [²]: https://github.com/torvalds/linux/blob/241e39004581475b2802cd63c111fec43bb0123e/drivers/net/phy/realtek.c#L164 [³]: https://paste.aplu.fr/?2dde1c32d5c68f4c#6xIa8MjTm6jpI6citEJAqFTLMMHDjFZRet/M00/EwjU= [⁴]: https://paste.aplu.fr/?32130e9bcb05dde7#N/xdnvb5GklcJtiOxMpTCm+9gsUliRwH8X3dcwSV+ng=