From owner-freebsd-mobile Fri Feb 28 11:46:56 2003 Delivered-To: freebsd-mobile@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 940CC37B43B for ; Fri, 28 Feb 2003 11:46:53 -0800 (PST) Received: from wall.polstra.com (wall-gw.polstra.com [206.213.73.130]) by mx1.FreeBSD.org (Postfix) with ESMTP id 06E7244227 for ; Fri, 28 Feb 2003 11:44:42 -0800 (PST) (envelope-from jdp@polstra.com) Received: from vashon.polstra.com (vashon.polstra.com [206.213.73.13]) by wall.polstra.com (8.12.3/8.12.3) with ESMTP id h1SJibu5065707 (version=TLSv1/SSLv3 cipher=EDH-RSA-DES-CBC3-SHA bits=168 verify=NO); Fri, 28 Feb 2003 11:44:38 -0800 (PST) (envelope-from jdp@vashon.polstra.com) Received: (from jdp@localhost) by vashon.polstra.com (8.12.6/8.12.6/Submit) id h1SJibch031470; Fri, 28 Feb 2003 11:44:37 -0800 (PST) (envelope-from jdp) Date: Fri, 28 Feb 2003 11:44:37 -0800 (PST) Message-Id: <200302281944.h1SJibch031470@vashon.polstra.com> To: mobile@freebsd.org From: John Polstra Cc: larse@ISI.EDU Subject: Re: wi polling In-Reply-To: <3E5FB2C4.1020300@isi.edu> References: <20021022004219.V15421-100000@edge.foundation.invalid> <3E5F9C5A.3000503@isi.edu> <20030228.104434.70648014.imp@bsdimp.com> <3E5FB2C4.1020300@isi.edu> Organization: Polstra & Co., Seattle, WA Sender: owner-freebsd-mobile@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org In article <3E5FB2C4.1020300@isi.edu>, Lars Eggert wrote: > > Sorry for being unclear: By "livelock" I mean the CPU spends all its > cycles on receive and hostap processing, to a point where userland > processes are starved. The box doesn't panic and becomes responsive > again when network load goes down. Are you using IPSec on the interface? I've noticed that's a reliable way to produce the symptoms you described. John -- John Polstra John D. Polstra & Co., Inc. Seattle, Washington USA "Disappointment is a good sign of basic intelligence." -- Chögyam Trungpa To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-mobile" in the body of the message