From owner-freebsd-hackers Mon Mar 8 9:46:17 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from dingo.cdrom.com (castles302.castles.com [208.214.167.2]) by hub.freebsd.org (Postfix) with ESMTP id CABBD14EF8; Mon, 8 Mar 1999 09:46:10 -0800 (PST) (envelope-from mike@dingo.cdrom.com) Received: from dingo.cdrom.com (LOCALHOST [127.0.0.1]) by dingo.cdrom.com (8.9.3/8.8.8) with ESMTP id JAA06967; Mon, 8 Mar 1999 09:40:28 -0800 (PST) (envelope-from mike@dingo.cdrom.com) Message-Id: <199903081740.JAA06967@dingo.cdrom.com> X-Mailer: exmh version 2.0.2 2/24/98 To: Charles Henrich Cc: Mike Smith , freebsd-hackers@freebsd.org, freebsd-smp@freebsd.org Subject: Re: Erorr: isa_dmainit(2, 1024) failed In-reply-to: Your message of "Mon, 08 Mar 1999 09:41:00 PST." <19990308094100.14836@orbit.flnet.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Mon, 08 Mar 1999 09:40:28 -0800 From: Mike Smith Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > On the subject of Re: Erorr: isa_dmainit(2, 1024) failed, Mike Smith stated: > > > > During startup on my FreeBSD box (a dual proc 1GB system) I see: > > > > > > isa_dmainit(2, 1024) failed > > > > > > And (perhaps) coincidentally any access to the ISA sound card causes the > > > machine to panic with an isa page map missing. Does anyone out there have > > > any ideas whats causing this, and what a solution might be? Thanks! > > > > You have too much memory. 8) > > > > Seriously, by the time the ISA code gets a chance to allocate memory, all > > the physically dma-able-to memory is gone for other uses. > > > > This is basically a bug in the way kernel memory is handed out. > > How does one fix this? :) With a text editor. Find the code that does it wrong, change it and recompile. Send us the diffs when you're done. Actually, fixing it "right" will be very difficult. I suspect that the ISA DMA code will need a statically-allocated buffer to overcome this. -- \\ Sometimes you're ahead, \\ Mike Smith \\ sometimes you're behind. \\ mike@smith.net.au \\ The race is long, and in the \\ msmith@freebsd.org \\ end it's only with yourself. \\ msmith@cdrom.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message