From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
To: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>,
netdev@vger.kernel.org, linux-sh@vger.kernel.org,
Simon Horman <horms@verge.net.au>,
Magnus Damm <magnus.damm@gmail.com>
Subject: Re: [PATCH] sh_eth: r8a7790: Handle the RFE (Receive FIFO overflow Error) interrupt
Date: Tue, 30 Jul 2013 14:47:37 +0000 [thread overview]
Message-ID: <51F7D209.7040501@cogentembedded.com> (raw)
In-Reply-To: <4760883.hI1JN8gopV@avalon>
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
WARNING: multiple messages have this Message-ID (diff)
From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
To: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>,
netdev@vger.kernel.org, linux-sh@vger.kernel.org,
Simon Horman <horms@verge.net.au>,
Magnus Damm <magnus.damm@gmail.com>
Subject: Re: [PATCH] sh_eth: r8a7790: Handle the RFE (Receive FIFO overflow Error) interrupt
Date: Tue, 30 Jul 2013 18:47:37 +0400 [thread overview]
Message-ID: <51F7D209.7040501@cogentembedded.com> (raw)
In-Reply-To: <4760883.hI1JN8gopV@avalon>
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
next prev parent reply other threads:[~2013-07-30 14:47 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-30 0:08 [PATCH] sh_eth: r8a7790: Handle the RFE (Receive FIFO overflow Error) interrupt Laurent Pinchart
2013-07-30 0:08 ` Laurent Pinchart
2013-07-30 2:10 ` Simon Horman
2013-07-30 2:10 ` Simon Horman
2013-07-30 14:17 ` Sergei Shtylyov
2013-07-30 14:17 ` Sergei Shtylyov
2013-07-30 14:20 ` Laurent Pinchart
2013-07-30 14:20 ` Laurent Pinchart
2013-07-30 14:47 ` Sergei Shtylyov [this message]
2013-07-30 14:47 ` Sergei Shtylyov
2013-09-12 19:45 ` Sergei Shtylyov
2013-09-12 19:45 ` Sergei Shtylyov
2013-07-31 0:32 ` Simon Horman
2013-07-31 0:32 ` Simon Horman
2013-07-30 20:41 ` Sergei Shtylyov
2013-07-30 20:41 ` Sergei Shtylyov
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