From owner-freebsd-current@FreeBSD.ORG Sat Mar 6 13:03:25 2004 Return-Path: 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 6E6BF16A4CE for ; Sat, 6 Mar 2004 13:03:25 -0800 (PST) Received: from ebb.errno.com (ebb.errno.com [66.127.85.87]) by mx1.FreeBSD.org (Postfix) with ESMTP id 53C1F43D1F for ; Sat, 6 Mar 2004 13:03:25 -0800 (PST) (envelope-from sam@errno.com) Received: from [66.127.85.92] ([66.127.85.92]) (authenticated bits=0) by ebb.errno.com (8.12.9/8.12.9) with ESMTP id i26L3L5D060848 (version=TLSv1/SSLv3 cipher=RC4-SHA bits=128 verify=NO); Sat, 6 Mar 2004 13:03:22 -0800 (PST) (envelope-from sam@errno.com) In-Reply-To: <16456.43337.389382.661597@grasshopper.cs.duke.edu> References: <16453.61095.940884.597029@grasshopper.cs.duke.edu> <16456.43337.389382.661597@grasshopper.cs.duke.edu> Mime-Version: 1.0 (Apple Message framework v609) Content-Type: text/plain; charset=US-ASCII; format=flowed Message-Id: Content-Transfer-Encoding: 7bit From: Sam Leffler Date: Sat, 6 Mar 2004 13:03:25 -0800 To: Andrew Gallatin X-Mailer: Apple Mail (2.609) cc: freebsd-current@freebsd.org Subject: Re: reproducable "panic: pmap_enter: attempted pmap_enter on 4MB page" X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 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, 06 Mar 2004 21:03:25 -0000 On Mar 5, 2004, at 8:22 AM, Andrew Gallatin wrote: > > Andrew Gallatin writes: >> >> I can reproducably panic -current with the above message by allocating >> a lot of memory in 4MB chunks in an out-of-tree os-bypass network >> driver. >> > > After upgrading to this morning's -current, I can no longer > reproduce this problem. Very, very strange. I've been getting this panic off+on for >9 months but haven't been able to characterize it and/or narrow down the cause. I mostly see it on an NFS server. Sam