host msd_basic only working with USB_SPEED_FULL on PIC32MZ Starter Kit (ulfs)

Hi,i was trying to get the host msd_basic running on the PIC32MZ Embedded Connectivity with FPU (EF) Starter Kit (PIC32MZ2048EFM144). But it was unable to get the DEVICE_DESCRIPTOR_SHORT. So i changed from usb_speed_high to usb_speed_full and voila it was..