Return-path: Received: from smtp5.freeserve.com ([193.252.22.159]:46426 "EHLO smtp5.freeserve.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1031964Ab0B1UJO (ORCPT ); Sun, 28 Feb 2010 15:09:14 -0500 Date: Sun, 28 Feb 2010 20:03:11 +0000 From: Chris Vine To: William Bourque Cc: =?UTF-8?B?R8OhYm9y?= Stefanik , linux-wireless , bcm43xx-dev@lists.berlios.de Subject: Re: LP-PHY Fatal DMA error 0x00000800 on non-ULV Core 2 Duo?!?!!??! Message-ID: <20100228200311.4ca24d95@boulder.homenet> In-Reply-To: <4B8AC78C.80505@polymtl.ca> References: <69e28c911002260708g45d3c0f7u6abf13b1babe549f@mail.gmail.com> <201002271708.29817.mb@bu3sch.de> <4B894A61.1070302@lwfinger.net> <69e28c911002271145s590df31en9d2f8b2c47932451@mail.gmail.com> <4B899DA3.4030100@lwfinger.net> <69e28c911002271534o8cab111vf7fcc1b93b6c4b47@mail.gmail.com> <69e28c911002271544y62c93255k8a6dbb0adb2b5928@mail.gmail.com> <20100228001655.4c9fd9ce@boulder.homenet> <4B8AAF42.8000602@polymtl.ca> <69e28c911002281042g15808a2cm81bd9528a30d2f85@mail.gmail.com> <4B8AC78C.80505@polymtl.ca> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-wireless-owner@vger.kernel.org List-ID: On Sun, 28 Feb 2010 14:44:12 -0500 William Bourque wrote: > > New test patch attached. > > > > Please CC linux-wireless@vger.kernel.org on further e-mails, > > bcm43xx-dev appears to be having problems. > > > > Hmm... I don't know if it is only coincidence, but this one seems to > help somehow. > > The driver raised the DMA error again, but instead of being as soon > as I brought up the interface, I had to stresstest (to transfert a > file at full speed from my LAN) to make it happens. Before that I was > able to DMA normally (loading web page ...). I also found that it stayed up marginally longer (ie about 2 seconds longer in my case) but I think this is probably co-incidence. On commenting out the line setting the 0x280a memory location, and leaving the line setting the 0x80a memory location, it failed immediately; but these difference may just be random effects. Chris