From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-db3on0080.outbound.protection.outlook.com ([157.55.234.80]:27968 "EHLO emea01-db3-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752198AbbIPHZ3 (ORCPT ); Wed, 16 Sep 2015 03:25:29 -0400 From: =?utf-8?B?RGFtaWVuIFRow6liYXVsdA==?= To: "linux@arm.linux.org.uk" CC: "linux-arm-kernel@lists.infradead.org" , "anna.schumaker@netapp.com" , "trond.myklebust@primarydata.com" , "linux-nfs@vger.kernel.org" , "netdev@vger.kernel.org" Subject: Re: NFS/TCP/IPv6 acting strangely in 4.2 Date: Wed, 16 Sep 2015 06:53:57 +0000 Message-ID: <1442386435.3756.282.camel@vitec.com> References: <20150911113839.GO21084@n2100.arm.linux.org.uk> In-Reply-To: <20150911113839.GO21084@n2100.arm.linux.org.uk> Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Sender: linux-nfs-owner@vger.kernel.org List-ID: T24gRnJpLCAyMDE1LTA5LTExIGF0IDEyOjM4ICswMTAwLCBSdXNzZWxsIEtpbmcgLSBBUk0gTGlu dXggd3JvdGU6DQo+IEkgaGF2ZSBhIHJlY2VudCBNYXJ2ZWxsIEFybWFkYSAzODggYm9hcmQgaGVy ZSB3aGljaCB1c2VzIHRoZSBtdm5ldGENCj4gZHJpdmVyLiAgSSdtIHNlZWluZyBzb21lIHdlaXJk IGVmZmVjdHMgd2l0aCBORlMgd2l0aCBpdCBhY3RpbmcgYXMgYQ0KPiBjbGllbnQuDQoNCkhlbGxv LA0KDQpJJ20gdXBncmFkaW5nIGEgTWFydmVsbGUgQXJtYWRhIDM3MCBib2FyZCB1c2luZyB0aGUg bXZuZXRhIGRyaXZlciBmcm9tDQo0LjAgdG8gNC4yIGFuZCBub3RpY2VkIGlzc3VlcyB3aXRoIE5G UyBib290aW5nLg0KQmFzaWNhbGx5LCBtb3N0IG9mIHRoZSB0aW1lIGluaXQgcmV0dXJucyB3aXRo IGFuIGVycm9yIGNvZGUsIG9yDQpwcm9ncmFtcyBzZWdmYXVsdCBvciB0aHJvdyBpbGxlZ2FsIGlu c3RydWN0aW9ucy4NCg0KU2luY2UgaXQgd29ya2VkIGZpbmUgb24gNC4wIEkgYmlzZWN0ZWQgdW50 aWwgSSBmb3VuZCBjb21taXQNCmE4NGUzMjg5NDE5MWNmY2JmZmE1NDE4MGQ3OGQ3ZDQ2NTRkNTZj MjAgIm5ldDogbXZuZXRhOiBmaXggcmVmaWxsaW5nDQpmb3IgUnggRE1BIGJ1ZmZlcnMiLg0KDQpJ ZiBJIHJldmVydCB0aGlzIGNvbW1pdCwgZXZlcnl0aGluZyBzZWVtcyB0byBnZXQgYmFjayB0byBu b3JtYWwuDQpDb3VsZCB5b3UgdHJ5IGl0ID8gVGhlIHR3byBpc3N1ZXMgbG9vayB2ZXJ5IHNpbWls YXIuDQoNClJlZ2FyZHMNCi0tIA0KRGFtaWVuIFRow6liYXVsdA0KDQo= From mboxrd@z Thu Jan 1 00:00:00 1970 From: damien.thebault@vitec.com (=?utf-8?B?RGFtaWVuIFRow6liYXVsdA==?=) Date: Wed, 16 Sep 2015 06:53:57 +0000 Subject: NFS/TCP/IPv6 acting strangely in 4.2 In-Reply-To: <20150911113839.GO21084@n2100.arm.linux.org.uk> References: <20150911113839.GO21084@n2100.arm.linux.org.uk> Message-ID: <1442386435.3756.282.camel@vitec.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Fri, 2015-09-11 at 12:38 +0100, Russell King - ARM Linux wrote: > I have a recent Marvell Armada 388 board here which uses the mvneta > driver. I'm seeing some weird effects with NFS with it acting as a > client. Hello, I'm upgrading a Marvelle Armada 370 board using the mvneta driver from 4.0 to 4.2 and noticed issues with NFS booting. Basically, most of the time init returns with an error code, or programs segfault or throw illegal instructions. Since it worked fine on 4.0 I bisected until I found commit a84e32894191cfcbffa54180d78d7d4654d56c20 "net: mvneta: fix refilling for Rx DMA buffers". If I revert this commit, everything seems to get back to normal. Could you try it ? The two issues look very similar. Regards -- Damien Th?bault From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?utf-8?B?RGFtaWVuIFRow6liYXVsdA==?= Subject: Re: NFS/TCP/IPv6 acting strangely in 4.2 Date: Wed, 16 Sep 2015 06:53:57 +0000 Message-ID: <1442386435.3756.282.camel@vitec.com> References: <20150911113839.GO21084@n2100.arm.linux.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Cc: "netdev@vger.kernel.org" , "linux-nfs@vger.kernel.org" , "trond.myklebust@primarydata.com" , "anna.schumaker@netapp.com" , "linux-arm-kernel@lists.infradead.org" To: "linux@arm.linux.org.uk" Return-path: In-Reply-To: <20150911113839.GO21084@n2100.arm.linux.org.uk> Content-Language: en-US Content-ID: <1F704DB37F2B0E46AC5CCF8F0538540B@eurprd05.prod.outlook.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org List-Id: netdev.vger.kernel.org T24gRnJpLCAyMDE1LTA5LTExIGF0IDEyOjM4ICswMTAwLCBSdXNzZWxsIEtpbmcgLSBBUk0gTGlu dXggd3JvdGU6DQo+IEkgaGF2ZSBhIHJlY2VudCBNYXJ2ZWxsIEFybWFkYSAzODggYm9hcmQgaGVy ZSB3aGljaCB1c2VzIHRoZSBtdm5ldGENCj4gZHJpdmVyLiAgSSdtIHNlZWluZyBzb21lIHdlaXJk IGVmZmVjdHMgd2l0aCBORlMgd2l0aCBpdCBhY3RpbmcgYXMgYQ0KPiBjbGllbnQuDQoNCkhlbGxv LA0KDQpJJ20gdXBncmFkaW5nIGEgTWFydmVsbGUgQXJtYWRhIDM3MCBib2FyZCB1c2luZyB0aGUg bXZuZXRhIGRyaXZlciBmcm9tDQo0LjAgdG8gNC4yIGFuZCBub3RpY2VkIGlzc3VlcyB3aXRoIE5G UyBib290aW5nLg0KQmFzaWNhbGx5LCBtb3N0IG9mIHRoZSB0aW1lIGluaXQgcmV0dXJucyB3aXRo IGFuIGVycm9yIGNvZGUsIG9yDQpwcm9ncmFtcyBzZWdmYXVsdCBvciB0aHJvdyBpbGxlZ2FsIGlu c3RydWN0aW9ucy4NCg0KU2luY2UgaXQgd29ya2VkIGZpbmUgb24gNC4wIEkgYmlzZWN0ZWQgdW50 aWwgSSBmb3VuZCBjb21taXQNCmE4NGUzMjg5NDE5MWNmY2JmZmE1NDE4MGQ3OGQ3ZDQ2NTRkNTZj MjAgIm5ldDogbXZuZXRhOiBmaXggcmVmaWxsaW5nDQpmb3IgUnggRE1BIGJ1ZmZlcnMiLg0KDQpJ ZiBJIHJldmVydCB0aGlzIGNvbW1pdCwgZXZlcnl0aGluZyBzZWVtcyB0byBnZXQgYmFjayB0byBu b3JtYWwuDQpDb3VsZCB5b3UgdHJ5IGl0ID8gVGhlIHR3byBpc3N1ZXMgbG9vayB2ZXJ5IHNpbWls YXIuDQoNClJlZ2FyZHMNCi0tIA0KRGFtaWVuIFRow6liYXVsdA0KDQpfX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpsaW51eC1hcm0ta2VybmVsIG1haWxpbmcg bGlzdApsaW51eC1hcm0ta2VybmVsQGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmlu ZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1hcm0ta2VybmVsCg==