From owner-freebsd-current@FreeBSD.ORG Sat Jun 25 10:44:32 2005 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 3075316A41C for ; Sat, 25 Jun 2005 10:44:32 +0000 (GMT) (envelope-from ssouhlal@FreeBSD.org) Received: from efnet-math.org (efnet-math.org [69.60.109.125]) by mx1.FreeBSD.org (Postfix) with ESMTP id CE18343D1D for ; Sat, 25 Jun 2005 10:44:31 +0000 (GMT) (envelope-from ssouhlal@FreeBSD.org) Received: from [192.168.1.12] (63-170-138-118.cst-sg.blacksburg.ntc-com.net [63.170.138.118]) (authenticated bits=0) by efnet-math.org (8.13.1/8.13.1) with ESMTP id j5PAiNKb030675 (version=TLSv1/SSLv3 cipher=RC4-SHA bits=128 verify=NO); Sat, 25 Jun 2005 06:44:24 -0400 In-Reply-To: <20050625062259.G36786@volatile.chemikals.org> References: <20050625062259.G36786@volatile.chemikals.org> Mime-Version: 1.0 (Apple Message framework v730) Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed Message-Id: Content-Transfer-Encoding: 7bit From: Suleiman Souhlal Date: Sat, 25 Jun 2005 06:44:17 -0400 To: Wesley Morgan X-Mailer: Apple Mail (2.730) Cc: current@FreeBSD.org Subject: Re: processes hanging in ufs/vfs 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: Sat, 25 Jun 2005 10:44:32 -0000 Hi, On Jun 25, 2005, at 6:31 AM, Wesley Morgan wrote: > The strange panics I was getting last week seem to have stopped, > but now I am seeing what appears to be deadlocked processes trying > to read or write to the same file. The processes are, of course, > unkillable and prevent a clean reboot. I was running with the > "knlist_locking" patch but that no longer compiles, and backing out > the recent kqueue patch doesn't work either. Traces from ddb are > below. You mean it doesn't work because it does not fix the hanged processes, or because you are unable to patch -R? Also, I don't understand if you see the hangs with the knlist_locking patch or not.. -- Suleiman Souhlal | ssouhlal@vt.edu The FreeBSD Project | ssouhlal@FreeBSD.org