On Monday, October 10, 2016 at 9:21:30 PM UTC-4, David Shleifman wrote:
> ----- Original Message -----
> From: "raahe...@gmail.com" <raahe...@gmail.com>
> To: qubes-users <qubes-users@googlegroups.com>
> Cc: dimi...@yahoo.com; raahe...@gmail.com
> Sent: Monday, October 10, 2016 4:09 PM
> Subject: Re: How  to manage multiple USB controllers
> 
> 
> 
> > I don't think you really have 6 controllers do you?
> dom0$ lspci | grep USB
> returns 6 PCI devices:
> Bus:Device.Function
> 
> 00:12.0 ... SB7x0/SB8x0/SB9x0 USB OHCI0 Controller
> 
> 00:12.1 ... SB7x0             USB OHCI1 Controller
> 
> 00:12.2 ... SB7x0/SB8x0/SB9x0 USB EHCI  Controller
> 00:13.0 ... SB7x0/SB8x0/SB9x0 USB OHCI0 Controller
> 00:13.1 ... SB7x0                         USB OHCI1 Controller
> 
> 00:13.2 ... SB7x0/SB8x0/SB9x0 USB EHCI   Controller
> 
> 
> Is it 6 controllers?
> 
> 
> 
> 
> > On mine I have only two echi's.
> > one is for the two low speed ports, next to the ps2 port which i use for 
> > mouse and keyboard, and is assigned to dom0.  The other 
> 
> > controller is for everything else I have in sys-usb.
> 
> Thanks for sharing your USB topology and controller assignment.   Have you 
> been able to hide the USB controllers from dom0 as described in 
> https://www.qubes-os.org/doc/usb/#creating-and-using-a-usb-qube?  So that 
> lspci returns an epmty string.
> 
> 
> 
> 
> > On another machine with xhvi (usb3.0)  everything gets routed through that 
> > one controller.  the two ehvi controllers get routed through
> > the usb 3.0 making a single controller not 3.  
> 
> 
> How did you determine that the 2 EHCI(s) are routed through XHCI?  What does 
> 
> dom0$ lspci | grep USB
> return?  Does it show 3 controllers or one?
> 
> 
> 
> > so its either use the two controllers the same way I have on this box with 
> > xhvi disabled,  
> 
> > or enable it then only having a single controller if wanting 3.0 speeds 
> > (using the qubes input proxy). 
> 
> In the later case, XHCI is attached to sys-usb, and 
> https://www.qubes-os.org/doc/usb/#attaching-a-single-usb-device-to-a-qube-usb-passthrough
>  is employed to pass it to dom0. Is my understanding correct?   Are you able 
> to log in (after the boot) using the USB keyboard?

again,I use a ps2 keyboard.  i have a little green inch long 99cent - 5 dollar 
adapter attached to the usb keyboard and in back of pc.  on the newer computers 
the ps2 even hot plug n play whatever like a usb.  it will re-initialize when 
re plugging it just like a usb  as well in case you worried about something 
like that too.   Its best practice imo for qubes.  ps2 keyboard don't use a usb 
one.

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