From owner-freebsd-stable@FreeBSD.ORG Sat May 14 14:56:36 2005 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 1862616A4CE for ; Sat, 14 May 2005 14:56:36 +0000 (GMT) Received: from carver.gumbysoft.com (carver.gumbysoft.com [66.220.23.50]) by mx1.FreeBSD.org (Postfix) with ESMTP id 037A343D68 for ; Sat, 14 May 2005 14:56:36 +0000 (GMT) (envelope-from dwhite@gumbysoft.com) Received: by carver.gumbysoft.com (Postfix, from userid 1000) id E004E72DD4; Sat, 14 May 2005 07:56:35 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by carver.gumbysoft.com (Postfix) with ESMTP id DD7C772DCB; Sat, 14 May 2005 07:56:35 -0700 (PDT) Date: Sat, 14 May 2005 07:56:35 -0700 (PDT) From: Doug White To: Steven Hartland In-Reply-To: <009901c5588f$b242b150$b3db87d4@multiplay.co.uk> Message-ID: <20050514075519.C41753@carver.gumbysoft.com> References: <009901c5588f$b242b150$b3db87d4@multiplay.co.uk> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII cc: freebsd-stable@freebsd.org Subject: Re: 5.4-RELEASE amd64: Panic isadma_start : bad bounce buffer X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 14 May 2005 14:56:36 -0000 On Sat, 14 May 2005, Steven Hartland wrote: > Just been trying to install FreeBSD 5.4 amd64 here and > when loading the raid control kernel module driver ( hptmv ) > from floppy and booting I was getting: > Panic isadma_start : bad bounce buffer This is a known bug; floppy drives don't work on amd64 since the ISA DMA buffer gets allocated above 16MB. I don't know if this is something that needs to be handled by busdma. -- Doug White | FreeBSD: The Power to Serve dwhite@gumbysoft.com | www.FreeBSD.org