From owner-freebsd-hackers Tue Mar 26 7:24: 5 2002 Delivered-To: freebsd-hackers@freebsd.org Received: from blackhelicopters.org (geburah.blackhelicopters.org [209.69.178.18]) by hub.freebsd.org (Postfix) with ESMTP id 0B50037B416 for ; Tue, 26 Mar 2002 07:23:59 -0800 (PST) Received: (from mwlucas@localhost) by blackhelicopters.org (8.11.6/8.11.6) id g2QFNfx81852; Tue, 26 Mar 2002 10:23:41 -0500 (EST) (envelope-from mwlucas) Date: Tue, 26 Mar 2002 10:23:40 -0500 From: Michael Lucas To: Kip Macy Cc: Apache Man , hackers@FreeBSD.ORG Subject: Re: kernel panic: vm_object_reference Message-ID: <20020326102340.A81834@blackhelicopters.org> References: <20020326075045.B80675@blackhelicopters.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: ; from kmacy@netapp.com on Tue, Mar 26, 2002 at 07:20:37AM -0800 Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG OK. That's not what I was told but back in 96 or so,but I suppose the code is allowed to change. My apologies. :-) Could you please prepare a dump of this? See the developers' handbook for details, or follow the pointers from the FAQ. Thanks! On Tue, Mar 26, 2002 at 07:20:37AM -0800, Kip Macy wrote: > That is a bug. The system is supposed to iterate through all the vnodes hanging > off the mount point and vgone them. According to Kirk at least this used to > work. > > -Kip > > > On Tue, 26 Mar 2002, Michael Lucas wrote: > > > Hello, > > > > Forcibly unmounting a file system that is in use will panic your > > system. It's not exactly a bug, it's just how it works. :) > > > > On Tue, Mar 26, 2002 at 10:24:01AM +0200, Apache Man wrote: > > > Hi. > > > > > > As i informed you earler the bug exists in freebsd 4.5. > > > Kernel panics with `vm_object_reference: delay in getting object' > > > when i copy files from a partition and at the same time dismount > > > this partition (umount -f /cdrom). > > > > > > The sutuation is following. > > > I mount /cdrom. Then start too many `cp' processes that copy > > > some files from /cdrom. In other tty i umount -f /cdrom and > > > kernel panics. > > > > > > Sorry if it's known bug. > > > > > > -- > > > email: apache@ukr.net > > > > > > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > > > with "unsubscribe freebsd-hackers" in the body of the message > > > > -- > > Michael Lucas mwlucas@FreeBSD.org, mwlucas@BlackHelicopters.org > > my FreeBSD column: http://www.oreillynet.com/pub/q/Big_Scary_Daemons > > > > http://www.blackhelicopters.org/~mwlucas/ > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > > with "unsubscribe freebsd-hackers" in the body of the message > > -- Michael Lucas mwlucas@FreeBSD.org, mwlucas@BlackHelicopters.org my FreeBSD column: http://www.oreillynet.com/pub/q/Big_Scary_Daemons http://www.blackhelicopters.org/~mwlucas/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message