netdev - Re: [PATCH 2/2] sh_eth: Fix asynchronous external abort

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Message-ID: <20141125001005.GA5656@verge.net.au>
Date:	Tue, 25 Nov 2014 09:10:10 +0900
From:	Simon Horman <horms@...ge.net.au>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:	Yoshihiro Kaneko <ykaneko0929@...il.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"David S. Miller" <davem@...emloft.net>,
	Magnus Damm <magnus.damm@...il.com>,
	Linux-sh list <linux-sh@...r.kernel.org>
Subject: Re: [PATCH 2/2] sh_eth: Fix asynchronous external abort

On Mon, Nov 24, 2014 at 09:41:18AM +0100, Geert Uytterhoeven wrote:
> On Mon, Nov 24, 2014 at 2:18 AM, Simon Horman <horms@...ge.net.au> wrote:
> > On Thu, Nov 13, 2014 at 04:02:15PM +0900, Yoshihiro Kaneko wrote:
> >> From: Mitsuhiro Kimura <mitsuhiro.kimura.kc@...esas.com>
> >>
> >> When clock is disabled, Ethernet register access raise Bus error.
> >
> > I have spoken with Kimura-san and the problem may be reproduced by
> > calling ethtool with -s of -G while the network interface is down.
> >
> > e.g.:
> > ifconfig eth0 down
> > ethtool -G eth0 rx 512
> 
> That makes sense.
> 
> I think it would be good to add the reproduction steps to the commit message.

Yes, I agree entirely.

> > I have confirmed that the problem above appears in net-next
> > and appears to be resolved with this patch and the previous on
> > in this series (which seems to be a dependency) applied.
> 
> Gr{oetje,eeting}s,
> 
>                         Geert
> 
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org
> 
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like that.
>                                 -- Linus Torvalds
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