Re: Freeze Upon /dev/fd0 Use

Steve VanDevender (stevev@efn.org)
Tue, 1 Sep 1998 22:55:40 -0700 (PDT)

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Linus Torvalds writes:
> The good news is that ISA DMA is broken anyway, and it might just be an
> acceptable option to not even have a "BROKEN_DMA" config option, but
> just unconditionally refusing to allow two concurrent ISA DMA streams.
> The only things I know of that do ISA DMA is the floppy and old sound
> cards, and if that means that the sound skips while accessing the floppy
> I don't know if we really need to worry too much..
>
> Linus

Let's not forget that a bunch of the better ISA SCSI host
adapters do DMA (I have a BusLogic 545C, but I believe the
Adaptec 1542 and several others use DMA too).

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