From owner-freebsd-current Wed Apr 15 22:57:24 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id WAA16674 for freebsd-current-outgoing; Wed, 15 Apr 1998 22:57:24 -0700 (PDT) (envelope-from owner-freebsd-current@FreeBSD.ORG) Received: from pop.uniserve.com (pop.uniserve.com [204.244.156.3]) by hub.freebsd.org (8.8.8/8.8.8) with SMTP id WAA16652 for ; Wed, 15 Apr 1998 22:57:19 -0700 (PDT) (envelope-from tom@uniserve.com) Received: from shell.uniserve.com [204.244.186.218] by pop.uniserve.com with smtp (Exim 1.82 #4) id 0yPheR-0002X8-00; Wed, 15 Apr 1998 22:55:59 -0700 Date: Wed, 15 Apr 1998 22:55:55 -0700 (PDT) From: Tom To: Kerry Morse cc: "'freebsd-current@FreeBSD.ORG'" Subject: Re: Help - please... Adaptec 1542 and Exabyte tape problem... In-Reply-To: <02B01380C828D1119ED70020AF641C53068556@MTTMail.metro.tas.gov.au> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Thu, 16 Apr 1998, Kerry Morse wrote: > Apr 16 13:35:05 proxy /kernel: aha0: DMA beyond end Of ISA: 0x357cd10 Bounce buffers are required to DMA above the 16MB for ISA devices. However, bounce buffers do not work for the aha driver (it is unclear whether the driver or the bounce buffers are broken). This is any old problem. See the archives. It seems that any developer who has more than 16MB of RAM has also decided to upgrade to non-ISA controllers. Tom To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message