From owner-freebsd-current@FreeBSD.ORG Sun Apr 2 09:44:34 2006 Return-Path: X-Original-To: current@freebsd.org Delivered-To: freebsd-current@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id B871316A400 for ; Sun, 2 Apr 2006 09:44:34 +0000 (UTC) (envelope-from pho@holm.cc) Received: from relay03.pair.com (relay03.pair.com [209.68.5.17]) by mx1.FreeBSD.org (Postfix) with SMTP id 35BFC43D45 for ; Sun, 2 Apr 2006 09:44:34 +0000 (GMT) (envelope-from pho@holm.cc) Received: (qmail 58051 invoked from network); 2 Apr 2006 09:44:32 -0000 Received: from unknown (HELO peter.osted.lan) (unknown) by unknown with SMTP; 2 Apr 2006 09:44:32 -0000 X-pair-Authenticated: 83.95.197.184 Received: from peter.osted.lan (localhost.osted.lan [127.0.0.1]) by peter.osted.lan (8.13.4/8.13.4) with ESMTP id k329iWar081989 for ; Sun, 2 Apr 2006 11:44:32 +0200 (CEST) (envelope-from pho@peter.osted.lan) Received: (from pho@localhost) by peter.osted.lan (8.13.4/8.13.4/Submit) id k329iVeX081988 for current@freebsd.org; Sun, 2 Apr 2006 11:44:31 +0200 (CEST) (envelope-from pho) Date: Sun, 2 Apr 2006 11:44:31 +0200 From: Peter Holm To: current@freebsd.org Message-ID: <20060402094431.GA81954@peter.osted.lan> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.4.2.1i Cc: Subject: Livelock / softdep_flush "loop" X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 02 Apr 2006 09:44:34 -0000 I managed to zoom in on the livelocks I've been seeing lately. The livelock is provoked by deleting lots of files. Here's a livelock from single user mode and caught by the watchdogd with GENERIC HEAD from Apr 1 07:40 UTC: http://people.freebsd.org/~pho/stress/log/cons197.html -- Peter Holm