On Sun, May 02, 2004 at 06:24:34PM +0200, Manuel Bouyer wrote:
> I think it's a hardware issue: the USB controller reading only contigous
> pages, or something like it.

I guess so, but does it have to do I/O in such big chunks..

> Based on this , the buffer size may be 64k, or 64k + 1 page. But it's only
> a guess, I didn't look at the code.

I think it's 64k (on i386, at least).

On Sun, May 02, 2004 at 12:26:24PM -0400, Lennart Augustsson wrote:
> At some point something happened to the VM system that made it
> difficult to get free contig memory except at boot time.  I'm
> not sure when it happened, but it's very annoying.

It sure is :-(  I haven't been keeping up-to-date with -current, so I
can't tell when the problem appeared.  I thought I should try running
2.0 beta and the problems began ;)

  -jm