From owner-freebsd-current@FreeBSD.ORG Sun Feb 15 22:36:56 2004 Return-Path: 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 2E38D16A4CE; Sun, 15 Feb 2004 22:36:56 -0800 (PST) Received: from mtaw6.prodigy.net (mtaw6.prodigy.net [64.164.98.56]) by mx1.FreeBSD.org (Postfix) with ESMTP id 268EA43D1D; Sun, 15 Feb 2004 22:36:56 -0800 (PST) (envelope-from kris@obsecurity.org) Received: from obsecurity.dyndns.org (42ccae4c518c5bde89c41b5ed81ee756@adsl-67-119-53-169.dsl.lsan03.pacbell.net [67.119.53.169]) by mtaw6.prodigy.net (8.12.10/8.12.10) with ESMTP id i1G6ZwhF027387; Sun, 15 Feb 2004 22:35:58 -0800 (PST) Received: by obsecurity.dyndns.org (Postfix, from userid 1000) id 3CAB766D44; Sun, 15 Feb 2004 22:36:51 -0800 (PST) Date: Sun, 15 Feb 2004 22:36:51 -0800 From: Kris Kennaway To: ticso@cicely.de Message-ID: <20040216063651.GA72959@xor.obsecurity.org> References: <20040216055840.GA72555@xor.obsecurity.org> <20040216061821.GZ44313@cicely12.cicely.de> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="wac7ysb48OaltWcw" Content-Disposition: inline In-Reply-To: <20040216061821.GZ44313@cicely12.cicely.de> User-Agent: Mutt/1.4.1i cc: alpha@freebsd.org cc: current@freebsd.org cc: Kris Kennaway Subject: Re: Scheduling deadlock on alpha? X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 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: Mon, 16 Feb 2004 06:36:56 -0000 --wac7ysb48OaltWcw Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Feb 16, 2004 at 07:18:22AM +0100, Bernd Walter wrote: > On Sun, Feb 15, 2004 at 09:58:40PM -0800, Kris Kennaway wrote: > > One of the alpha package machines seems to have deadlocked; no > > processes are running, but the kernel itself responds to pings, and I > > can break to DDB: >=20 > How long have you waited? > It seems that the system was busy waiting for page faults and swap. > I've seen conditions lately where this can block the system for a very > long time in case there is not enough memory free. > The number of processes point to memory stress. It's been about 1/2 hour now...this machine doesn't seem to have been under exceptional load compared to the other equivalent alpha package machines > I asume you had no chance to take a lock at the disk lights? No, the machine is remote to me. Kris --wac7ysb48OaltWcw Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (FreeBSD) iD8DBQFAMGUCWry0BWjoQKURAn6uAKDoV7x09Vg34kz1ygQKCxcyEo/K2gCgqopC ejRkmJIKfFW8MpeGCnM5YMQ= =Zj6Q -----END PGP SIGNATURE----- --wac7ysb48OaltWcw--