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Date: Mon, 6 Dec 2010 21:11:37 +0100
Message-ID: <AANLkTingy7fPH14hW_mg8_YcotX29pYCu910Gw48grrD@mail.gmail.com>
Subject: Re: [ath9k-devel] Script to crash ath9k with DMA errors.
From: =?ISO-8859-1?Q?Bj=F6rn_Smedman?= <bjorn.smedman@venatech.se>
To: Ben Greear <greearb@candelatech.com>,
	"Luis R. Rodriguez" <lrodriguez@atheros.com>
Cc: Felix Fietkau <nbd@openwrt.org>,
	Luis Rodriguez <Luis.Rodriguez@atheros.com>,
	"ath9k-devel@lists.ath9k.org" <ath9k-devel@venema.h4ckr.net>,
	"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>
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Sender: linux-wireless-owner@vger.kernel.org

On Mon, Dec 6, 2010 at 8:47 PM, Ben Greear <greearb@candelatech.com> wrote:
> With 16 properly configured non-encrypted stations, running with
> wpa-supplicant
> with netlink driver & sharing scan results, ?the interfaces quickly
> associate.
>
> However, I do continue to see DMA warnings such as these (I had picked up my
> portable phone, and it knocked all the interfaces offline ..here
> they are coming back up after I hung up the phone).

Is there some theory as to why using multiple interfaces cause so many
problems with DMA?

/Bj?rn