On Fri May 2 11:28:41 EDT 2014, quans...@quanstro.net wrote: > it appears that uhci is causing spurious ehci interrupts, or at least > ehci/uhci are causing each other to ring. i haven't tracked down > the fundamental issue yet. but this appears to be related to the > ehci/uhci subordinate issue, and the Callmine setting.
problem found. patch appled. if a ehci controller is 64-bit capable, one must turn off 64-bit capabilities on all controllers before initializing any of them. - erik