Call for testers: Apple ATA DMA

[Maxim Sobolev]

> I see two issues with acd(4) on sparc64, which, given that
> I don't see them with either amd64 or i386 and that there
> are no such reports for these archs, I suspect are endian-
> bugs (which might be hidden with 32-bit machines though):
> a) read-only drives are falsely reported as having write
>    capabilities in dmesg (this is a rather old bug but so
>    far this seemed to be a cosmetic problem only)
> b) DMA is broken in that file content read is wrong except
>    for "small" files; there's no data corruption when PIO
>    mode is forced (this seem to be a recurring bug once
>    again present in HEAD).
> 
> Do you guys see these problems also with powerpc?

Not sure if it's related, but burning CD image to CD-RW media doesn't 
work on my MacMini, failing with something like "invalid argument". At 
the same time, erasing the same media works just fine.

-Maxim