cvs commit: src/sys/dev/usb uvisor.c
Josef Karthauser
joe at FreeBSD.org
Thu Aug 14 03:44:17 PDT 2003
On Wed, Aug 13, 2003 at 05:15:24PM -0700, Josef Karthauser wrote:
> joe 2003/08/13 17:15:23 PDT
>
> FreeBSD src repository
>
> Modified files:
> sys/dev/usb uvisor.c
> Log:
> Crank down UVISORBUFSIZE from 1024 to 64 to avoid a problem where
> the Palm device and the USB host controller deadlock. The USB host
> controller is expecting an early-end-of-transmission packet with 0
> data, and the Palm doesn't send one because it's already communicated
> the amount of data it's going to send in a header (which ucom/uvisor
> are oblivious to). This is the problem that has been known on the
> pilot-link lists as the "[Free]BSD USB problem", but not understood.
>
> Submitted by: Nathan J. Williams <nathanw at MIT.EDU>
At long last I can now synchronise my M505. Hooray! :)
Joe
--
Josef Karthauser (joe at tao.org.uk) http://www.josef-k.net/
FreeBSD (cvs meister, admin and hacker) http://www.uk.FreeBSD.org/
Physics Particle Theory (student) http://www.pact.cpes.sussex.ac.uk/
================ An eclectic mix of fact and theory. =================
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