From owner-freebsd-stable Mon May 10 18:27: 7 1999 Delivered-To: freebsd-stable@freebsd.org Received: from lazlo.internal.steam.com (lazlo.steam.com [199.108.84.37]) by hub.freebsd.org (Postfix) with ESMTP id 0DC9414C39; Mon, 10 May 1999 18:27:04 -0700 (PDT) (envelope-from cliff@steam.com) Received: from lazlo.internal.steam.com (cliff@lazlo.internal.steam.com [192.168.32.2]) by lazlo.internal.steam.com (8.9.3/8.9.3) with ESMTP id SAA01303; Mon, 10 May 1999 18:27:01 -0700 (PDT) Date: Mon, 10 May 1999 18:27:01 -0700 (PDT) From: Cliff Skolnick X-Sender: cliff@lazlo.internal.steam.com To: David Greenman Cc: freebsd-stable@FreeBSD.ORG, luoqi@FreeBSD.ORG Subject: Re: vm_fault deadlock and PR 8416 (was Re: Strange reboot saga ) In-Reply-To: <199905110116.SAA00175@implode.root.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG I'm using the later patch, the one patching kern_lock.c. Cliff On Mon, 10 May 1999, David Greenman wrote: > > > >After removing the patch from my system, poof - deadlock. > > > >I did the ctl-printscrean thing, and everything looked ok. There were a > >bunch of locks, shared, but I could not make much sense beyond the "ps" and > >doing a trace which did not give me much info since I could not figure out > >how to trace a specific process. :( > > > >Anyways this is a production email and dns system, so I can't futz with it > >too much. I've added the patch in and expect my system will run again until > >*I* take it down. Usually it locks up within 24 hours without the patch, > >and it has run 4+ days with no lockup with the patch. After 4 days I took > >the system down to remote the patch and add debugging to my kernel, monday > >rolls around and poof - locked up. > > > >I would urge someone who has more of a clue about the locking issues to take > >a look at this. > > There are two patches mentioned in PR 8416...which one are you using? > > -DG > > David Greenman > Co-founder/Principal Architect, The FreeBSD Project - http://www.freebsd.org > Creator of high-performance Internet servers - http://www.terasolutions.com > -- Cliff Skolnick | "They that can give up essential liberty to obtain Steam Tunnel Operations | a little temporary safety deserve neither liberty cliff@steam.com | nor safety." http://www.steam.com/ | -- Benjamin Franklin, 1759 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message