On Mon, 09 Feb 2015 16:31:32 -0500
John Baldwin <j...@freebsd.org> wrote:

> On Monday, February 09, 2015 10:26:42 PM Hans Petter Selasky wrote:
> > Hi John,
> > 
> > Do all PCI busses support 64-bit DMA busmaster? Do we reflect this in
> > the busdma tags passed down to device drivers?
> Yes, barring weird quirks.  Even pre-PCI-e had a way to support 64-bit 
> addresses for cards on a 32-bit bus using dual address cycles.  Gary, do you 
> only have problems with xhci and not other PCI devices in your system?

I only have problems with the disk enclosure.  USB3 docking stations
and USB3 hubs work just fine when attached to the USB3 card.
That's why I concluded that it's a problem with the JMicro
bridge chip.

I only have a graphics card and this USB3 card plugged into PCIe.

Gary Jennejohn
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