On Fri, 12 Mar 2010, loody wrote: > thanks for your help :) > but why there is ehci_urb_done without any interrupt happen? > like below: > > ehci ehci.0: ehci_urb_done 1 urb 8338cc00 ep1in status 0 len 0/122880 > ehci ehci.0: itd_submit 1 urb 8338cc00 ep1in len 122880, 40 pkts 1 > uframes [83b8fb80] > ehci ehci.0: ehci_urb_done 1 urb 8338c800 ep1in status 0 len 0/122880 > ehci ehci.0: itd_submit 1 urb 8338c800 ep1in len 122880, 40 pkts 1 > uframes [83b8fb80] > ehci ehci.0: ehci_urb_done 1 urb 8338cc00 ep1in status 0 len 0/122880 > ehci ehci.0: itd_submit 1 urb 8338cc00 ep1in len 122880, 40 pkts 1 > uframes [83b8fb80] > ehci ehci.0: ehci_urb_done 1 urb 8338c800 ep1in status 0 len 0/122880 I don't know. Maybe it's a bug in your EHCI driver. Or maybe the URBs are getting unlinked. 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
