From owner-freebsd-fs@FreeBSD.ORG Mon Apr 28 07:19:32 2008 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 2865F1065670; Mon, 28 Apr 2008 07:19:32 +0000 (UTC) (envelope-from peter@holm.cc) Received: from wbm3.pair.net (wbm3.pair.net [209.68.3.66]) by mx1.freebsd.org (Postfix) with ESMTP id 033F08FC12; Mon, 28 Apr 2008 07:19:31 +0000 (UTC) (envelope-from peter@holm.cc) Received: by wbm3.pair.net (Postfix, from userid 65534) id 1B9C76B178; Mon, 28 Apr 2008 03:00:28 -0400 (EDT) Received: from 193.234.247.50 ([193.234.247.50]) (SquirrelMail authenticated user holm@aedde.pair.com) by webmail3.pair.com with HTTP; Mon, 28 Apr 2008 09:00:28 +0200 (CEST) Message-ID: <64011.193.234.247.50.1209366028.squirrel@webmail3.pair.com> In-Reply-To: <4815620F.3090005@delphij.net> References: <4815620F.3090005@delphij.net> Date: Mon, 28 Apr 2008 09:00:28 +0200 (CEST) From: "Peter Holm" To: d@delphij.net User-Agent: SquirrelMail/1.4.5 MIME-Version: 1.0 Content-Type: text/plain;charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Priority: 3 (Normal) Importance: Normal Cc: freebsd-fs@freebsd.org, Jeff Roberson , kib@freebsd.org Subject: Re: [7.0-R] Possible ufs livelock during coredump path? X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 28 Apr 2008 07:19:32 -0000 > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Hi, > > It seems that we have a potential livelock during coredump on 7.0-R, the > case was that two processes trying to coredump in the same time (e.g. if > I configure kern.corefile=/var/tmp/%N.core and a lot of instances > coredump in the same time), perhaps when paging involved with it. Upon > reboot, it would not recover but wait infinitely. The box is running > 7.0-R/i386, UP (Origin = "GenuineIntel" Id = 0xf34 Stepping = 4). > > Is this an known issue? This is my own server but I do not have my > hands on it because it is in China, however I can provide some help if > the experiment can be recovered with a power-cycle :) > AFAIK it is an old problem. I have some test where I had to disable core dumps for the same reason. I seem to remember that the problem is related to running out of VM? - Peter > Cheers, > - -- > Xin LI http://www.delphij.net/ > FreeBSD - The Power to Serve! > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v2.0.9 (FreeBSD) > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org > > iEYEARECAAYFAkgVYg8ACgkQi+vbBBjt66DTMQCfXQ4q327phAzDeEmUhtgUoJxS > Ap8AniSdbCY0HN9m5wf9nAbKyLFifUQg > =V94G > -----END PGP SIGNATURE----- > _______________________________________________ > freebsd-fs@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-fs > To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org" >