From owner-freebsd-current@FreeBSD.ORG Fri May 14 19:15:25 2010 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 4B8AC1065673; Fri, 14 May 2010 19:15:25 +0000 (UTC) (envelope-from kaduk@mit.edu) Received: from dmz-mailsec-scanner-8.mit.edu (DMZ-MAILSEC-SCANNER-8.MIT.EDU [18.7.68.37]) by mx1.freebsd.org (Postfix) with ESMTP id DE8958FC08; Fri, 14 May 2010 19:15:24 +0000 (UTC) X-AuditID: 12074425-b7d00ae000002295-d8-4beda14cb4db Received: from mailhub-auth-1.mit.edu (MAILHUB-AUTH-1.MIT.EDU [18.9.21.35]) by dmz-mailsec-scanner-8.mit.edu (Symantec Brightmail Gateway) with SMTP id 10.E4.08853.C41ADEB4; Fri, 14 May 2010 15:15:24 -0400 (EDT) Received: from outgoing.mit.edu (OUTGOING-AUTH.MIT.EDU [18.7.22.103]) by mailhub-auth-1.mit.edu (8.13.8/8.9.2) with ESMTP id o4EJFNSM026973; Fri, 14 May 2010 15:15:24 -0400 Received: from multics.mit.edu (MULTICS.MIT.EDU [18.187.1.73]) (authenticated bits=56) (User authenticated as kaduk@ATHENA.MIT.EDU) by outgoing.mit.edu (8.13.6/8.12.4) with ESMTP id o4EJFMY2014495 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Fri, 14 May 2010 15:15:23 -0400 (EDT) Received: (from kaduk@localhost) by multics.mit.edu (8.12.9.20060308) id o4EJFLjQ012760; Fri, 14 May 2010 15:15:21 -0400 (EDT) Date: Fri, 14 May 2010 15:15:21 -0400 (EDT) From: Benjamin Kaduk To: Alan Cox In-Reply-To: Message-ID: References: <20100514053907.GL83316@deviant.kiev.zoral.com.ua> <4BED8ADE.1030100@cs.rice.edu> User-Agent: Alpine 1.10 (GSO 962 2008-03-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Brightmail-Tracker: AAAAAA== Cc: Kostik Belousov , alc@freebsd.org, freebsd-current@freebsd.org Subject: Re: kgdb unuseable with cores on current (for some people) 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, 14 May 2010 19:15:25 -0000 On Fri, 14 May 2010, Benjamin Kaduk wrote: > > Hm, but the "Cannot access memory" is preceeded by "Unread portion of the > kernel message buffer:\n"; I don't remember whether that was there before. > > I'll compile another kernel from stock HEAD to check if that's actually due > to the patch (or just poor memory on my part). The "Unread portion of the kernel message buffer:" text is new with Alan's patch. So, it seems to be a step in the right direction, but not a full fix. -Ben