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Date: Mon, 1 Feb 2010 10:47:22 +0000 From: Jarek Poplawski <jarkao2@...il.com> To: Michael Breuer <mbreuer@...jas.com> Cc: Stephen Hemminger <shemminger@...ux-foundation.org>, David Miller <davem@...emloft.net>, akpm@...ux-foundation.org, flyboy@...il.com, linux-kernel@...r.kernel.org, netdev@...r.kernel.org, Michael Chan <mchan@...adcom.com>, Don Fry <pcnet32@...izon.net>, Francois Romieu <romieu@...zoreil.com>, Matt Carlson <mcarlson@...adcom.com> Subject: Re: [PATCH] sky2: receive dma mapping error handling On Sun, Jan 31, 2010 at 11:26:03PM -0500, Michael Breuer wrote: > FYI - tried generating lots of extra tx traffic... found a way to > generate the rx status messages on demand: > ping -i .0000001 -s 8000 -t 2 <host> >/dev/null > > Yields: > Jan 31 23:08:07 mail kernel: sky2 eth0: rx error, status 0x1f6a0010 > length 1518 ... > Jan 31 23:08:12 mail kernel: net_ratelimit: 316 callbacks suppressed > etc. ... > Understanding that the other side is out of spec, I'd still wonder why > the sky2 driver generates rx errors. Perhaps overruns should be tossed > silently... by the hardware if possible. Of course it's a matter of taste, but it seems such errors shouldn't be tolerated in a local network. I'd rather prefer doing them more explicit (like e.g. some other kind of length errors). Jarek P. -- 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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