Please remember always to use Reply-To-All, so that your messages get stored in the Bugzilla database. On Tue, 2 Jun 2009, abhishekkumar wrote: > PFA the output of lsusb -v with ehci_hcd module. The next thing you should do is build a kernel with CONFIG_USB_DEBUG enabled. Then with ehci-hcd loaded and everything plugged in, go to the /sys/class/usb_host/usb_host3 directory and post a copy of the "periodic" file. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html