Hi Greg, > > I am using Dell Wirless 5530 (Ericsson F3507g) card on kernel 2.6.31. And > > found that /dev/ttyACM0 can not be accessed. Command: > > cat /dev/ttyACM0 > > Result is : > > cat: /dev/ttyACM0: Input/output error > > This is a known regression. Unfortunately the fix didn't make it in > in time. I am attaching it. I think we have another one for first 2.6.31-stable. Regards Marcel -- 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