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Date:      Mon, 30 Jun 1997 11:57:24 +0200
From:      Poul-Henning Kamp <phk@dk.tfs.com>
To:        A Joseph Koshy <koshy@india.hp.com>
Cc:        freebsd-current@FreeBSD.ORG
Subject:   Re: DMA beyond end of ISA 
Message-ID:  <3844.867664644@critter.dk.tfs.com>
In-Reply-To: Your message of "Mon, 30 Jun 1997 14:39:23 %2B0530." <199706300909.CAA05166@palrel1.hp.com> 

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I see the same thing here.

Has bounce-buffers ceased to work ?

Poul-Henning

In message <199706300909.CAA05166@palrel1.hp.com>, A Joseph Koshy writes:
>
>Noticed this today while trying to access st0: sd0 seems to be working fine, 
>but this makes me very nervous.  Any clues?
>
>Jun 30 15:03:43 krill /kernel: aha0: DMA beyond end Of ISA: 0x1c14d08
>Jun 30 15:03:43 krill /kernel: st0: bad request, must be between 0 and 0
>Jun 30 15:04:58 krill /kernel: aha0: DMA beyond end Of ISA: 0x10d0d08
>Jun 30 15:04:58 krill /kernel: st0: oops not queued
>Jun 30 15:05:13 krill /kernel: aha0: DMA beyond end Of ISA: 0x1048d08
>Jun 30 15:05:14 krill /kernel: st0: oops not queued
>
>>From the kernel config file:
>
>	...
>controller      aha0    at isa? port "IO_AHA0" bio irq ? drq 5 vector ahaintr
>controller      scbus0
>device          sd0
>device          st0
>	...
>options         BOUNCE_BUFFERS          #include support for DMA bounce buffer
>s
>
>-current built on Friday 27th
>
>krill# uname -a
>FreeBSD krill.india.hp.com 3.0-CURRENT FreeBSD 3.0-CURRENT #0: Fri Jun 27 20:0
>0:
>06 IST 1997     root@krill.india.hp.com:/usr/src/sys/compile/KRILL  i386
>

--
Poul-Henning Kamp           | phk@FreeBSD.ORG       FreeBSD Core-team.
http://www.freebsd.org/~phk | phk@login.dknet.dk    Private mailbox.
whois: [PHK]                | phk@tfs.com           TRW Financial Systems, Inc.
Power and ignorance is a disgusting cocktail.



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