Date: Mon, 2 Feb 2009 13:51:29 +0900 From: Pyun YongHyeon <pyunyh@gmail.com> To: Giuseppe Pagnoni <gpagnoni@gmail.com> Cc: freebsd-hardware@freebsd.org Subject: Re: Atheros AR821 (Asus P5Q Pro) and 'ale' driver Message-ID: <20090202045129.GD43513@michelle.cdnetworks.co.kr> In-Reply-To: <92056ebc0901231336x188b4d81l9c6d804e8aa437de@mail.gmail.com> References: <92056ebc0901231336x188b4d81l9c6d804e8aa437de@mail.gmail.com>
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On Fri, Jan 23, 2009 at 10:36:34PM +0100, Giuseppe Pagnoni wrote: > Dear all, > > I am running freebsd 7.1 rel on an Asus p5q pro motherboard with an > onboard ethernet chip Atheros AR8121. I am using the "ale" driver, > which generally seems to work, although I noticed that when connecting > via ssh to the machine, I get disconnected with "corrupted MAC on > input" a little too often. > > Does anybody know if this may be an issue related to the ethernet > driver, or is it likely to be something totally unrelated? (I don't > get the same behavior, though, when the machine is booted in Ubuntu). > AR8121/AR8113/AR8114 are known to have Rx checksum offloading bug and ale(4) have a workaround for the bug. I'm not sure whether you're seeing the same bug not handled in the workaround code, though. If you disable Rx checksum offloading(e.g. ifconfig ale0 -rxcsum) does ssh still complain 'corrupted MAC'? Since you seem to have a way to reproduce the issue, would you show me the way to trigger the issue? > thank you very much for any suggestions > > giuseppe
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