Date: Mon, 08 Mar 1999 09:40:28 -0800 From: Mike Smith <mike@smith.net.au> To: Charles Henrich <henrich@flnet.com> Cc: Mike Smith <mike@smith.net.au>, freebsd-hackers@freebsd.org, freebsd-smp@freebsd.org Subject: Re: Erorr: isa_dmainit(2, 1024) failed Message-ID: <199903081740.JAA06967@dingo.cdrom.com> In-Reply-To: Your message of "Mon, 08 Mar 1999 09:41:00 PST." <19990308094100.14836@orbit.flnet.com>
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> 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-smp" in the body of the message
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