From owner-freebsd-stable@FreeBSD.ORG Wed Mar 18 18:07:47 2009 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 84280106566B; Wed, 18 Mar 2009 18:07:47 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from cyrus.watson.org (cyrus.watson.org [65.122.17.42]) by mx1.freebsd.org (Postfix) with ESMTP id 531A58FC0A; Wed, 18 Mar 2009 18:07:47 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from server.baldwin.cx (pool-98-109-39-197.nwrknj.fios.verizon.net [98.109.39.197]) by cyrus.watson.org (Postfix) with ESMTPSA id F2B2946B82; Wed, 18 Mar 2009 14:07:46 -0400 (EDT) Received: from localhost (john@localhost [127.0.0.1]) (authenticated bits=0) by server.baldwin.cx (8.14.3/8.14.3) with ESMTP id n2II7TJt007423; Wed, 18 Mar 2009 14:07:40 -0400 (EDT) (envelope-from jhb@freebsd.org) From: John Baldwin To: freebsd-stable@freebsd.org Date: Wed, 18 Mar 2009 11:56:58 -0400 User-Agent: KMail/1.9.7 References: <20090312043646.GB8352@pjdesk.au.alcatel-lucent.com> <200903120846.50630.jhb@freebsd.org> <20090316021412.GI5857@pjdesk.au.alcatel-lucent.com> In-Reply-To: <20090316021412.GI5857@pjdesk.au.alcatel-lucent.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200903181156.58853.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH authentication, not delayed by milter-greylist-2.0.2 (server.baldwin.cx [127.0.0.1]); Wed, 18 Mar 2009 14:07:40 -0400 (EDT) X-Virus-Scanned: ClamAV 0.94.2/9130/Wed Mar 18 09:51:53 2009 on server.baldwin.cx X-Virus-Status: Clean X-Spam-Status: No, score=-4.4 required=4.2 tests=ALL_TRUSTED,AWL,BAYES_00 autolearn=ham version=3.1.3 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on server.baldwin.cx Cc: Alan Cox , Peter Jeremy Subject: Re: 7.1 panic "vm_page_startup: inconsistent page counts" X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 18 Mar 2009 18:07:47 -0000 On Sunday 15 March 2009 10:14:12 pm Peter Jeremy wrote: > On 2009-Mar-12 08:46:50 -0400, John Baldwin wrote: > >On Thursday 12 March 2009 12:36:46 am Peter Jeremy wrote: > >> I'm trying to upgrade an 11 month old FreeBSD 7 image in a VMware > >> 4.5.2 guest to an up-to-date -stable and it panics as above. I've > >> added a printf to report the two counts and there's a difference of > >> one page. I don't have any problems with the old 7-stable image or > >> up-to-date 6-stable or -current using the same VMware version. > >> > >> A screendump for a verbose boot can be found at > >> http://imagebin.ca/img/wahNNw.gif > >> > >> Can I safely delete the assert? > > > >I don't think so, I would report it to Alan. The one earlier report of this > >didn't include the detail that it was only off by one page. > > This is a bit moot now since you've disabled the test but rolling back > to a kernel from 26th Feb (before the superpages MFC) doesn't have the > page count discrepancy. Ok. I think the discrepancy is due to the memory being reserved for the reservation table not being accounted for in 'npages'. I'm just going to remove the assertion in 7 to match what is in 8. -- John Baldwin