On Wed, Mar 01, 2006 at 02:41:23PM -0800, Greg KH wrote:
> On Wed, Mar 01, 2006 at 11:34:30PM +0100, Olivier Galibert wrote:
> > As a data point, I have traces of a scanner session including a
> > download of a 26Mb binary image using 524288 bytes logical blocks
> > physically transferred with 61440 bytes bulk_in frames. Seems stable
> > enough. IIRC the scanner-side controller chip has some advanced
> > buffering just to handle that kind of bandwidth.
>
> That's impressive. What are the endpoint sizes on the device that did
> this?
Hmmm, the chip is a Genesys gl841, on a canonscan lide 35. And it
advertises a 64 bytes wMaxPacketSize on both in and out bulk
interfaces. Go figure.
Want the log and/or the lsusb -v?
OG.
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