From owner-freebsd-current@FreeBSD.ORG Sat Apr 2 18:03:57 2005 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 B443616A4CE for ; Sat, 2 Apr 2005 18:03:57 +0000 (GMT) Received: from rip.psg.com (rip.psg.com [147.28.0.39]) by mx1.FreeBSD.org (Postfix) with ESMTP id 96C5943D39 for ; Sat, 2 Apr 2005 18:03:57 +0000 (GMT) (envelope-from randy@psg.com) Received: from localhost ([127.0.0.1] helo=roam.psg.com) by rip.psg.com with esmtp (Exim 4.50 (FreeBSD)) id 1DHmyS-000NnS-Oa; Sat, 02 Apr 2005 18:03:56 +0000 Received: from localhost ([127.0.0.1] helo=roam.psg.com.psg.com) by roam.psg.com with esmtp (Exim 4.50 (FreeBSD)) id 1DHmyP-000Kki-Fu; Sat, 02 Apr 2005 10:03:53 -0800 From: Randy Bush MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <16974.56968.982476.603808@roam.psg.com> Date: Sat, 2 Apr 2005 10:03:52 -0800 To: Kris Kennaway References: <16974.47905.33554.436813@roam.psg.com> <20050402175240.GA2495@xor.obsecurity.org> cc: FreeBSD Current Subject: Re: lockup during rdump 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, 02 Apr 2005 18:03:57 -0000 >> i found no way to get its attention to get a dump, and am open to >> suggestions. > Break to DDB on the serial console, and use 'ps', 'trace', 'show > alllocks' (with witness enabled), 'show lockedvnods' etc. i was unable to break to console. old discussion, console concentrator is a cisco 2511 which i access via ssh, and never did sort out how to get a break on that path. hoping someone else sees this problem who is in a better position to trap/dump. but thanks. randy