Re: Alan's bug catalogue

Matthias Urlichs (smurf@smurf.noris.de)
Wed, 5 Jun 1996 06:29:38 +0200 (MET DST)


Hi,

Jamie Lokier wrote:
>
>I have exactly 16Mb. I don't see how having more memory makes it more
>difficult to find spare DMA pages, but what would I know? :-)
>
Since the system can only DMA to the lower 16 MByte, if you don't have =
more
there's no problem, the system just grabs what it needs. The problem co=
mes
when you need to read into memory above 16 MByte -- in that case you ne=
ed a
bounce buffer. Apparently, for some yet-unknown reason managing these
doesn't work particularly well when aha1542.o is loaded as a module.

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