Hi, I think I found a race between pre_reset() and the bottom half. In wdm_rxwork() WDM_RESETTING is not checked for. That means that wdm_pre_reset() cannot reliable end IO. What do you think? Regards Oliver -- Oliver Neukum <oneukum@xxxxxxx> -- 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