From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from az33egw02.freescale.net (az33egw02.freescale.net [192.88.158.103]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "az33egw02.freescale.net", Issuer "Thawte Premium Server CA" (verified OK)) by ozlabs.org (Postfix) with ESMTPS id E076FDDF14 for ; Fri, 30 Jan 2009 10:06:09 +1100 (EST) Message-ID: <49823647.2010701@freescale.com> Date: Thu, 29 Jan 2009 17:05:43 -0600 From: Scott Wood MIME-Version: 1.0 To: James Black Subject: Re: mpc8270 and fs_enet References: In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Cc: linuxppc-dev@ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , James Black wrote: > I've got an mpc8270 running the fs_enet v1.0 driver and we are having > problems with randomly corrupted tx buffer descriptor ready bits. The > CPM never clears the bit. This is a 2.6.19.2 kernel. We have the same > kernel with the 8260_io driver (kernel is from the denx ELDK4.2) > running on the mpc8250 that works perfect. Is it possible that some other CPM block is configured to use the same DPRAM area that the descriptors are in? -Scott