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From: Hans Petter Selasky <hselasky@freebsd.org>
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Date: Tue, 17 Feb 2009 20:40:05 +0100
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Cc: Giorgos Keramidas <keramida@ceid.upatras.gr>,
	Andrew Thompson <thompsa@freebsd.org>
Subject: Re: usb2 moused issue (Microsoft Wireless Optical)
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On Tuesday 17 February 2009, Giorgos Keramidas wrote:
> On Tue, 17 Feb 2009 20:55:30 +0200, Giorgos Keramidas <keramida@FreeBSD.org> 
wrote:
> > The code of hid_report_size() is similar in old usb and the new usb
> > stack, but I am not sure about all the differences I see.  The
> > calculation of `size' is done correctly with old usb code, so I am
> > testing the patch attached below now.  It essentially pulls in the
> > hid_report_size() from the old usb code, with the if (h.kind == k) check
> > reversed to remove one spurious indentation level:
>
> No luck with the old usb code for hid_report_size() either.  We may be
> looking at the wrong place.  I'll build a kernel with a pre-usb2 stack
> and see what ums debugging shows for this mouse.  If it used to work
> with size=2 then we might have to look elsewhere for the bug.

I don't think that will help. Can you try the following.

XYZ information includes: (64+8-40)/8 = 4 bytes

Then you need add one PD byte, so size should be 5 bytes.

--HPS