On Sat, Mar 10, 2007 at 11:10:05AM +0000, Alan Barrett wrote:
> The following reply was made to PR kern/35934; it has been noted by GNATS.
> 
> From: Alan Barrett <apb@cequrux.com>
> To: gnats-bugs@netbsd.org, netbsd-bugs@netbsd.org
> Cc: 
> Subject: Re: kern/35934 (read(2) from raw disk into unaligned buffer)
> Date: Sat, 10 Mar 2007 10:56:38 +0200
> 
>  On Sat, 10 Mar 2007, ITOH Yasufumi wrote:
>  > OK, I've committed patch for piixide driver.
>  > Does it work for you?
>  > 
>  > sys/dev/pci/piixide.c	1.37
>  
>  Works for me.  Thank you.
>  
>  Is the inability to DMA to non-aligned addresses a hardware bug in this
>  particular controller, or is a documented feature of PCI in general, or
>  something in between?

I can't check right now, but I suspect it's an issue with most pciide
controllers. I'd say the right fix should be in sys//dev/ata/ata_wdc.c

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
     NetBSD: 26 ans d'experience feront toujours la difference
--