[vfio-users] USB enumeration (uPD720201)

[Brett Foster]

YES! I looked at the chip last night and made note to investigate whether
the chip was a counterfeit. I also put it under a microscope and discovered
they removed residue from the manufacturing process from only 3 of the 4
sides of the chip. So the pins were covered in crap.

On Fri, Dec 4, 2015 at 10:35 AM, Zir Blazer <zir_blazer at hotmail.com> wrote:

> Its extremely probable than your issue is unrelated to VFIO, Passthrough,
> or whatever. Besides than that USB Controller was one of the worst of the
> lot according to some googling, there are also fake/counterfeit versions of
> it of even lower quality that had multitude of issues:
> http://club.dx.com/forums/forums.dx/threadid.918878
>
> Basically, it can be that your USB controller PCIe card is total garbage.
> Try to do some googling to find out if the fake issues also applied to the
> uPD720201, and figure out if you can at least guarantee than the card is
> good, before trying to debug it Software side.
>
> _______________________________________________
> vfio-users mailing list
> vfio-users at redhat.com
> https://www.redhat.com/mailman/listinfo/vfio-users
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://listman.redhat.com/archives/vfio-users/attachments/20151204/184a60bc/attachment.htm>