From owner-freebsd-wireless@FreeBSD.ORG Fri Feb 3 07:03:11 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 A93AF106564A; Fri, 3 Feb 2012 07:03:11 +0000 (UTC) (envelope-from lev@FreeBSD.org) Received: from onlyone.friendlyhosting.spb.ru (onlyone.friendlyhosting.spb.ru [IPv6:2a01:4f8:131:60a2::2]) by mx1.freebsd.org (Postfix) with ESMTP id 41B558FC16; Fri, 3 Feb 2012 07:03:11 +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 70ECC4AC2D; Fri, 3 Feb 2012 11:03:09 +0400 (MSK) Date: Fri, 3 Feb 2012 11:03:04 +0400 From: Lev Serebryakov Organization: FreeBSD Project X-Priority: 3 (Normal) Message-ID: <1167992329.20120203110304@serebryakov.spb.ru> To: Adrian Chadd In-Reply-To: References: <743722267.20120202195757@serebryakov.spb.ru> <1292923023.20120202232810@serebryakov.spb.ru> <208667374.20120203002726@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 Reply-To: lev@FreeBSD.org 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: Fri, 03 Feb 2012 07:03:11 -0000 Hello, Adrian. You wrote 3 =F4=E5=E2=F0=E0=EB=FF 2012 =E3., 1:46:57: > The lack of TX buffers in that list (they're all RX buffers) means > that the TX queue is empty. > So, the "device timeout" is incorrect - the device didn't timeout, > we just didn't queue any frames to the device but somehow the TX > watchdog was set. Or, the watchdog wasn't cleared upon TX queue > processing. > I wonder why this is occuring. =20 Is here any additional diagnostic I could do? BTW, here are a lot of "stuck beacon" too, but these don't break file tra= nsfer, only slow it. --=20 // Black Lion AKA Lev Serebryakov