Re: [Qemu-devel] [edk2] OVMF, Q35 and USB keyboard/mouse

[Paolo Bonzini]

Il 10/09/2014 16:06, Gabriel L. Somlo ha scritto:
> If it's in QEMU, it's only tickled by the OVMF + OSX combination.
> Fedora works (around it) fine, and everyone's happy when using
> SeaBIOS (and Chameleon, in OSX's case).
> 
> BTW, when I do something like this:
> 
> -usb -device ich9-usb-uhci1,id=uhci1 -device usb-kbd,bus=uhci1.0 \
>      -device ich9-usb-uhci2,id=uhci2 -device usb-mouse,bus=uhci2.0
> 
> I get an additional pair of uhci1 and uhci2 devices in qtree (at PCI
> 00:03.0 and 00:04.0, respectively). OS X "System Information" shows
> these two instead of the default uhci[1,2] (which are still shown
> in qtree at pci 00:1d.0 and 00:1d.1); It shows the default uhci3 at
> pci 00:1d.2, and the default ehci.
> 
> With this configuration, keyboard and mouse work just fine on OSX+OVMF.
> Not sure, but hoping this provides some useful information to you.
> 
> I'm still poring over the rest of the stuff you said, which is a
> slightly slower process :)

Could you try building a SeaBIOS without EHCI and UHCI support, and see
if it also triggers the bug?

Paolo