K 10 svn:author V 7 weongyo K 8 svn:date V 27 2009-03-18T02:38:35.877660Z K 7 svn:log V 305 Some NDIS USB drivers try to call URB funcs like URB_FUNCTION_VENDOR_xxx or URB_FUNCTION_CLASS_xxx with HAL preemption lock that means it's non-sleepable during USB requests though usb2_do_request() requires a sleep so it needs to send queries to the default pipe without those interfaces to avoid sleep. END