From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sergei Shtylyov Date: Tue, 30 Jul 2013 14:47:37 +0000 Subject: Re: [PATCH] sh_eth: r8a7790: Handle the RFE (Receive FIFO overflow Error) interrupt Message-Id: <51F7D209.7040501@cogentembedded.com> List-Id: References: <1375142928-17769-1-git-send-email-laurent.pinchart+renesas@ideasonboard.com> <51F7CADE.5070801@cogentembedded.com> <4760883.hI1JN8gopV@avalon> In-Reply-To: <4760883.hI1JN8gopV@avalon> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Laurent Pinchart Cc: Laurent Pinchart , netdev@vger.kernel.org, linux-sh@vger.kernel.org, Simon Horman , Magnus Damm 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