From owner-freebsd-current@FreeBSD.ORG Fri Jul 20 08:25:13 2007 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 764BF16A419 for ; Fri, 20 Jul 2007 08:25:13 +0000 (UTC) (envelope-from jhary@unsane.co.uk) Received: from unsane.co.uk (unknown [IPv6:2001:470:1f01:ffff::121]) by mx1.freebsd.org (Postfix) with ESMTP id DE43A13C45E for ; Fri, 20 Jul 2007 08:25:12 +0000 (UTC) (envelope-from jhary@unsane.co.uk) Received: from prawn.unsane.co.uk (150.117-84-212.staticip.namesco.net [212.84.117.150]) (authenticated bits=0) by unsane.co.uk (8.14.0/8.14.0) with ESMTP id l6K8OA77022188 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Fri, 20 Jul 2007 09:24:11 +0100 (BST) (envelope-from jhary@unsane.co.uk) Message-ID: <46A07161.9060107@unsane.co.uk> Date: Fri, 20 Jul 2007 09:25:05 +0100 From: Vince User-Agent: Thunderbird 2.0.0.4 (X11/20070717) MIME-Version: 1.0 To: kevinmb@mpvweb.com References: <46A066C6.7000104@mpvweb.com> In-Reply-To: <46A066C6.7000104@mpvweb.com> X-Enigmail-Version: 0.95.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: freebsd-current@freebsd.org Subject: Re: Kernel Panic with ZFS 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: Fri, 20 Jul 2007 08:25:13 -0000 Kevin Baragona wrote: > My kernel just panicked. Here is what it said. > > panic: kmem_malloc(131072): kmem_map too small: 167264256 total allocated > cpuid = 0 > KDB: enter: panic > [thread pid 37 tid 100042 ] > Stopped at kdb_enter+0x32: leave > db> :( > > > At the time this happened I was transferring lots of files to this > system (personal file server) via the Apple File Protocol -- netatalk. > It went fine for a few GB. Then this happened. > > The reason I'm running current rather than stable is that ZFS is a > selling point.(but opensolaris doesn't work for me...) I have a zpool > with 2 hard drives and 1 partition of a slice of another disk that is > shared with root and swap. Mirroring isn't on. > > This farily old PC has a Pentium III Tualitin Celeron, and just 512MB of > RAM. But the unrecommended minimum is 1 GB for ZFS. So I'm not sure if > the problem is... > > I'm out of RAM. But I watched the memory usage and it didn't go up. Swap > wasn't touched at all. > > Network related? Googling for the error I got got something I believe is > unrelated. > Or something else. Anyway I'm leaving the machine on in case anyone > could use a trace if it helps. > Have a look at http://wiki.freebsd.org/ZFSTuningGuide the vm.kmem_size_max given there is 256Meg but set it higher if you have memory to spare. > Thanks in advance! > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"