On Tue, Mar 17, 2009 at 11:31:27PM +0800, vichy wrote: > 2009/3/17 Greg KH <greg@xxxxxxxxx>: > > On Tue, Mar 17, 2009 at 09:48:25PM +0800, vichy wrote: > >> Hi: > >> > I hope that the below information might be helpful for you to debug the > >> > problem. > >> > > >> > The Linux EHCI driver enables asynchronous schedule while linking QH & > >> > disables while unlinking the last QH of async list. > >> > See start_unlink_async & qh_link_async functions. grep for CMD_ASE bit. > >> > Which linux version you are using ? > >> 2.6.16 uclinux version > sorry, it is my typo. > it should be 2.6.25. That is almost a year old. For a new project, why rely on an old kernel version that is not supported by anyone? thanks, greg k-h -- 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