From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sergei Shtylyov Subject: Re: [PATCH] sh_eth: r8a7790: Handle the RFE (Receive FIFO overflow Error) interrupt Date: Tue, 30 Jul 2013 18:47:37 +0400 Message-ID: <51F7D209.7040501@cogentembedded.com> References: <1375142928-17769-1-git-send-email-laurent.pinchart+renesas@ideasonboard.com> <51F7CADE.5070801@cogentembedded.com> <4760883.hI1JN8gopV@avalon> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Laurent Pinchart , netdev@vger.kernel.org, linux-sh@vger.kernel.org, Simon Horman , Magnus Damm To: Laurent Pinchart Return-path: Received: from mail-lb0-f179.google.com ([209.85.217.179]:60888 "EHLO mail-lb0-f179.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753405Ab3G3Orh (ORCPT ); Tue, 30 Jul 2013 10:47:37 -0400 Received: by mail-lb0-f179.google.com with SMTP id v1so1404159lbd.10 for ; Tue, 30 Jul 2013 07:47:36 -0700 (PDT) In-Reply-To: <4760883.hI1JN8gopV@avalon> Sender: netdev-owner@vger.kernel.org List-ID: Hello. On 30-07-2013 18:20, Laurent Pinchart wrote: >>> The RFE interrupt is enabled for the r8a7790 but isn't handled, >>> resulting in the interrupts core noticing unhandled interrupts, and >>> eventually disabling the ethernet IRQ. >>> Fix it by adding RFE to the bitmask of error interrupts to be handled >>> for r8a7790. >> So, Simon hasn't synced his patch to my late bug fix in 3.10... Did this >> patch help you with your NFS boot issue, Laurent? > Yes, it fixes the "disabling interrupt, nobody cared" problem. I still have > intermittent NFS issues, but at least I can now boot. I was somewhat thrown off by the Rx FIFO overflow messages appearing before the "nobody cared", so I thought that must be another unhandled interrupt. WBR, Sergei