Return-path: Received: from mail-wi0-f178.google.com ([209.85.212.178]:39286 "EHLO mail-wi0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932222Ab2E3DWe convert rfc822-to-8bit (ORCPT ); Tue, 29 May 2012 23:22:34 -0400 Received: by wibhn6 with SMTP id hn6so3380039wib.1 for ; Tue, 29 May 2012 20:22:33 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <4FC5647F.4060601@candelatech.com> References: <4FC04B5A.1070900@candelatech.com> <4FC2437C.9090106@candelatech.com> <4FC51418.5000104@candelatech.com> <201205292107.42337.chunkeey@googlemail.com> <4FC5647F.4060601@candelatech.com> Date: Wed, 30 May 2012 04:22:33 +0100 Message-ID: (sfid-20120530_052239_393987_31D3AF08) Subject: Re: [ath9k-devel] Anyone doing WiFi throughput tests? From: Dave Taht To: Ben Greear , cerowrt-devel@lists.bufferbloat.net Cc: Christian Lamparter , Sujith Manoharan , "ath9k-devel@lists.ath9k.org" , "linux-wireless@vger.kernel.org" Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Wed, May 30, 2012 at 1:06 AM, Ben Greear wrote: > On 05/29/2012 12:07 PM, Christian Lamparter wrote: >> >> On Tuesday, May 29, 2012 08:23:20 PM Ben Greear wrote: >>> >>> On 05/27/2012 08:08 AM, Ben Greear wrote: >>>> >>>> On 05/26/2012 09:39 AM, Sujith Manoharan wrote: >>> >>> We started testing with two AR9380 NICs today (one AP, the other STA). >>> I applied Felix's skb optimization patch, and the ath9k memleak fix patch >>> on top of 3.3.7+. >>> >>> The system has 2GB RAM, but it is 32-bit kernel, so not all >>> is available to the networking code... ?That said, the OOM >>> killer kills VNC and such. >>> >>> Anyway, I'll try some memleak debugging to see if >>> I can find any leaks. ?It seems to me that we should >>> not actually OOM just by trying to transmit too fast >>> on a station interface :P >> >> well, there's that: >> http://comments.gmane.org/gmane.linux.drivers.ath9k.devel/8233 >> >> It might not fix the bug, but it can save you time to confirm >> that is not related to this particular skb leak. > > > I ported this to 3.3.7+ and applied it to my kernel > trees. ?It has tested out fine so far, though it did not > actually fix the problem I was having. ?That was not > a real leak, just always-growing pending queue length, > probably due to some issue with our version of pktgen. > > It is mostly a port-by-hand type of thing since > there are lots of conflicts. ?Let me know if you'd > like me to post my version (and plz confirm your > signed-off-by). please! (and cc cerowrt-devel at lists.bufferbloat.net) I'm hoping this string of patches will have some bearing on my own bug: http://www.bufferbloat.net/issues/379 (while I'm trying to not write a line of code for a while, others on my list are struggling with this) > > > Thanks, > Ben > > -- > Ben Greear > Candela Technologies Inc ?http://www.candelatech.com > > -- > To unsubscribe from this list: send the line "unsubscribe linux-wireless" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at ?http://vger.kernel.org/majordomo-info.html -- Dave T?ht SKYPE: davetaht US Tel: 1-239-829-5608 http://www.bufferbloat.net