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SubjectRe: USB broken in 2.4.4? Serial Ricochet works, USB performance sucks.
On Wed, 9 May 2001, Greg KH wrote:

> On Wed, May 09, 2001 at 11:09:36PM -0700, wrote:
> >
> > Allright then you should first check why the ACM driver is unable to
> > handle an MTU of 1500. I had to set it to 232 or 500 to make it work at
> > all. With an MTU of 1500 it does ICMP but not long tcp packets. There is
> > some issue with long packets that might exceed some buffer size(?).
> I don't see anything in the ACM driver that would cause a problem for
> large MTU settings. It is probably a device limitation, not the driver.

The Richochet USB stuff uses generic serial I/O. No special driver. And it
works fine under Win/ME. Have you run a regular PPP connection over the
ACM driver with an MTU of 1500?

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