From owner-freebsd-wireless@FreeBSD.ORG Thu Feb 2 19:28:17 2012 Return-Path: Delivered-To: freebsd-wireless@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 92A871065673; Thu, 2 Feb 2012 19:28:17 +0000 (UTC) (envelope-from lev@serebryakov.spb.ru) Received: from onlyone.friendlyhosting.spb.ru (onlyone.friendlyhosting.spb.ru [IPv6:2a01:4f8:131:60a2::2]) by mx1.freebsd.org (Postfix) with ESMTP id 2EA2B8FC13; Thu, 2 Feb 2012 19:28:17 +0000 (UTC) Received: from lion.home.serebryakov.spb.ru (unknown [IPv6:2001:470:923f:1:24ed:86dc:9f3b:9149]) (Authenticated sender: lev@serebryakov.spb.ru) by onlyone.friendlyhosting.spb.ru (Postfix) with ESMTPA id 5EA8D4AC2D; Thu, 2 Feb 2012 23:28:15 +0400 (MSK) Date: Thu, 2 Feb 2012 23:28:10 +0400 From: Lev Serebryakov X-Priority: 3 (Normal) Message-ID: <1292923023.20120202232810@serebryakov.spb.ru> To: Adrian Chadd In-Reply-To: References: <743722267.20120202195757@serebryakov.spb.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=windows-1251 Content-Transfer-Encoding: quoted-printable Cc: freebsd-wireless@freebsd.org Subject: Re: "ath0: device timeout" when environment is clear X-BeenThere: freebsd-wireless@freebsd.org X-Mailman-Version: 2.1.5 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: Thu, 02 Feb 2012 19:28:17 -0000 Hello, Adrian. You wrote 2 =F4=E5=E2=F0=E0=EB=FF 2012 =E3., 23:09:51: > Today something strange happens: my noisy environment becomes clear > for several hours and my WiFi connection to notebook gives 2.5MiB/s > of real file transfer. But I was unable to copy 2GiB file in one > piece: ath0 on AP gives "device timeout" every 3-4 minutes! > When environment is really noisy (as usual), I have only > 400-500KiB/s of real file transfer, but "ath0: device timeout" > occurs only 1-2 times a day or even less. > Are you using 11n? AP in 11ng mode: media: IEEE 802.11 Wireless Ethernet autoselect mode 11ng status: running ssid home.serebryakov.spb.ru channel 9 (2452 MHz 11g ht/20) bssid f4:ec:38:= a3:10:6d But client 802.11g only (Intel 3945ABG) > There may be some more TX handling issues that show up as "device > timeout" but arent' really that. Maybe, it is possible to add additional debug output in such situations? = I'm not able to run `athstat' ASAP manually in most of these cases, because= I didn't look at notebook's screen when copy files to it and notice such s= ituations post-factum. --=20 // Black Lion AKA Lev Serebryakov