From owner-freebsd-wireless@FreeBSD.ORG Wed Apr 3 00:55:09 2013 Return-Path: Delivered-To: freebsd-wireless@freebsd.org Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id BF145391; Wed, 3 Apr 2013 00:55:09 +0000 (UTC) (envelope-from jrisom@gmail.com) Received: from mail-qe0-f52.google.com (mail-qe0-f52.google.com [209.85.128.52]) by mx1.freebsd.org (Postfix) with ESMTP id 6C594825; Wed, 3 Apr 2013 00:55:09 +0000 (UTC) Received: by mail-qe0-f52.google.com with SMTP id jy17so593447qeb.25 for ; Tue, 02 Apr 2013 17:55:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:message-id:date:from:user-agent:mime-version:to:cc :subject:references:in-reply-to:content-type :content-transfer-encoding; bh=TGIqKSFKmc7ONcUb04mn9kajywjba1Tfc0JdEbl2Y90=; b=rHDxgJAFspKmFXWS/UApAlLohf5HEtHW+/Y4aAcioHWetDAm2pJJpUbd1qxuqZNInP NwJlO5K08o4buR5oO4qw02LZGhWNWmtSCpdVWdmws6SpyHTYkZ8OQzgWifj6436er8RH iHRixPT8mpw4oSHkKyL5sla8NhdY2w6zssKeJBu6JzRdjWdh2irD4bFCLoREEp/1hvAG 3lQBJCpyOaW9F/a3ixVz8T65AUbNLid3PICgz7zAbVlRXZ1u1q1zGt2vbYvRTCyony7j 8Ph2T3kJm5mUf5n4UdXOb2388vp5/0AGR6iMbd6qYiIIBL4mzhXsey01f9YVP6LNpelz 7a+w== X-Received: by 10.229.63.195 with SMTP id c3mr6441645qci.139.1364949194091; Tue, 02 Apr 2013 17:33:14 -0700 (PDT) Received: from [192.168.1.34] (c-98-212-197-211.hsd1.il.comcast.net. [98.212.197.211]) by mx.google.com with ESMTPS id t3sm4507310qen.5.2013.04.02.17.33.13 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 02 Apr 2013 17:33:13 -0700 (PDT) Message-ID: <515B78C2.20609@gmail.com> Date: Tue, 02 Apr 2013 19:33:06 -0500 From: Joshua Isom User-Agent: Mozilla/5.0 (Windows NT 6.2; WOW64; rv:17.0) Gecko/20130307 Thunderbird/17.0.4 MIME-Version: 1.0 To: Adrian Chadd Subject: Re: ath not working after a motherboard and ram upgrade References: <515892C4.1060002@gmail.com> <5158b7db.897aec0a.42d0.ffffaac4@mx.google.com> <5159F66B.2040600@gmail.com> <5159FF12.8030702@gmail.com> <515B4E16.3050901@gmail.com> <515B76A6.7080804@gmail.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: "freebsd-wireless@freebsd.org" X-BeenThere: freebsd-wireless@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Discussions of 802.11 stack, tools device driver development." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 03 Apr 2013 00:55:09 -0000 But this really will be interesting. It seems to be fine at 8GB of ram, not just at 4GB. I'm not getting any dma issues or dropped packets so far. But booting with 12GB will cause problems. On 4/2/2013 7:28 PM, Adrian Chadd wrote: > Nono, they're free. There's no active pages after an unload. Thus, they're fine. > > Ok, so now I need to go and audit things in more depth. > > Thanks! > > > > Adrian > > On 2 April 2013 17:24, Joshua Isom wrote: >> hw.busdma.total_bpages: 8250 >> hw.busdma.zone0.total_bpages: 8250 >> hw.busdma.zone0.free_bpages: 8250 >> hw.busdma.zone0.reserved_bpages: 0 >> hw.busdma.zone0.active_bpages: 0 >> hw.busdma.zone0.total_bounced: 3836 >> hw.busdma.zone0.total_deferred: 0 >> hw.busdma.zone0.lowaddr: 0xffffffff >> hw.busdma.zone0.alignment: 4096 >> >> They'd not freed. >> >> >> On 4/2/2013 5:33 PM, Adrian Chadd wrote: >>> >>> Ok, can you: >>> >>> * bring the interface down cleanly (ifconfig wlan0 down); >>> * unload the ath driver (kldunload if_ath and kldunload if_ath_pci) >>> * sysctl hw.busdma, and just add it to the list here? >>> >>> I'd like to make sure that it's freeing all the bounce buffer pages. >>> >>> Thanks, >>> >>> >>> adrian >>> >>