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Date: Wed, 13 Mar 2013 10:36:59 +0000 From: Mark Jackson <mpfj-list@...c.co.uk> To: Daniel Mack <zonque@...il.com> CC: "linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>, lkml <linux-kernel@...r.kernel.org> Subject: Re: Excessive ethernet interrupts on AM335x board On 13/03/13 10:32, Daniel Mack wrote: > On Tue, Mar 12, 2013 at 4:35 PM, Mark Jackson <mpfj-list@...c.co.uk> wrote: >> I'm just fighting an issue with ethernet on our custom AM335x board:- >> >> # uname -a >> Linux nanobone 3.9.0-rc2-00113-gd60f039 #139 Tue Mar 12 15:14:01 GMT 2013 armv7l GNU/Linux >> >> Every now and then, the whole unit slows to a crawl. The only indication of any problem is:- >> >> (a) the serial tty port becomes much less responsive >> (b) normal ping times jump from 1ms to >10sec (sometimes >20sec !!) >> (c) the ethernet interrupt count rockets (see below) >> >> I've tried to force the problem by flood pinging from my PC. <snip> >> As you can see, when I stop the flood pings, the nfs link is now reported >> as being lost. > > I had the same problem. Please check this patch, I'm sure it will fix you issue: > > https://git.kernel.org/cgit/linux/kernel/git/davem/net.git/commit/?id=d35162f89b8f00537d7b240b76d2d0e8b8d29aa0 Brilliant ... that's the one !! Cheers Mark J. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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