From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ozlabs.org (ozlabs.org [203.10.76.45]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "mx.ozlabs.org", Issuer "CA Cert Signing Authority" (verified OK)) by bilbo.ozlabs.org (Postfix) with ESMTPS id 80A86B70AF for ; Thu, 25 Jun 2009 17:09:23 +1000 (EST) Received: from buildserver.ru.mvista.com (unknown [213.79.90.228]) by ozlabs.org (Postfix) with ESMTP id 04402DDD01 for ; Thu, 25 Jun 2009 17:09:23 +1000 (EST) Date: Thu, 25 Jun 2009 11:08:13 +0400 From: Anton Vorontsov To: David Miller Subject: Re: [PATCH v2 1/2] ucc_geth: Fix half-duplex operation for non-MII/RMII interfaces Message-ID: <20090625070813.GA25653@oksana.dev.rtsoft.ru> References: <20090625010232.GA28590@oksana.dev.rtsoft.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 In-Reply-To: <20090625010232.GA28590@oksana.dev.rtsoft.ru> Cc: linuxppc-dev@ozlabs.org, Li Yang , Andy Fleming , netdev@vger.kernel.org Reply-To: avorontsov@ru.mvista.com List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Thu, Jun 25, 2009 at 05:02:32AM +0400, Anton Vorontsov wrote: > Currently the half-duplex operation seems to not work reliably for > RGMII PHY interfaces. It takes about 10 minutes to boot NFS rootfs > using 10/half link, following symptoms were observed: David, please ignore these patches, they just appear to workaround the issue, but they don't fix the root cause (which is unknown yet), and may cause other side to see the duplex errors. Heh... Thanks, -- Anton Vorontsov email: cbouatmailru@gmail.com irc://irc.freenode.net/bd2