On Tue, Aug 04, 2009 at 04:06:26PM +0530, velempati Chiranjeevi wrote: > Hi, > > I have two USB Cores. one is the High speed core and the other is Full > speed core. > > I have enabled the host mode on both of these cores. You mean these are both USB controllers? What type? What driver binds to them? > When I am copying the data on to the mass storage device on the High > speed core & when I do a plug-out & plug in of the devices on the Full > speed core, enumeration is not happening. > > It is timing out , while reading the string descriptor from the device. What are the full kernel logs of such activity? What kernel version are you using? 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