Super high interrupt and dpc usage at boot

[az10sbum]

http://www.mediafire.com/?5b8qvsatc4q5gds

Thanks!

[MagicAndre1981]

yes it is caused by the USBport driver:

USBPORT.SYS!USBPORT_InterruptService

Which USB devices do you use? Can you run msinfo32.exe, save the report and upload it? I need some system details which are not in the trace if you use Windows XP. On >=Vista I can see the used devices from the trace.