Hello,
I wrote a USB device driver that uses the usb_bulk_msg and usb_ctl_msg
functions. I wrote them on a SuSe 9.3 with a 2.6.11 kernel. There the driver
worked just fine. Then I cross compiled it for use on an XScale Embedded PC
using a Debian derivate using kernel 2.6.11, too. Everything was fine there,
too. When I tried it on my Debian system (3.1 V2) using a kernel 2.6.8-3 (lates
debian kernel) the USB bulk transfer is extremely slow. May the problem be in
the kernel? Would a newer kernel fix the problem?
P.s.: Very good manual on your site regarding Linux and USB.
Mit freundlichen Grüßen / Best regards
Martin Willms
Applikationsingenieur Geophysik / application engineer geophysics
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Phone: +49/ (0) 531/8668-275; Fax: +49/ (0) 531/8668-555
mobile: -
mailto:[EMAIL PROTECTED]
http://www.metronix.de/mtx
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