Re: [Xen-users] HVM DomU+Dom0 crash with PCI USB passthrough

[Andrew Bobulsky <rulerof@xxxxxxxxx>]

> Hello everyone,
> 
> I've removed the PCI USB controller from one PCI slot and inserted it
> into another. Still, when trying to boot a DomU, DomU and Dom0 hang.
> 
> I have also tried passing the PCI USB controller with
> device_model_version = "qemu-xen-traditional"
> and this is what I get from xl create xenwin.cfg:
> Parsing config from xenwin.cfg
> xc: info: VIRTUAL MEMORY ARRANGEMENT:
>  Loader:        0000000000100000->000000000019eea8
>  Modules:       0000000000000000->0000000000000000
>  TOTAL:         0000000000000000->000000007f000000
>  ENTRY ADDRESS: 0000000000100000
> xc: info: PHYSICAL MEMORY ALLOCATION:
>  4KB PAGES: 0x0000000000000200
>  2MB PAGES: 0x00000000000003f7
>  1GB PAGES: 0x0000000000000000
> libxl: error: libxl_exec.c:227:libxl__wait_for_offspring: Device Model not 
> ready
> libxl: error: libxl_pci.c:835:qemu_pci_add_xenstore: qemu refused to
> add device: 0000:01:07.0,msitranslate=0,power_mgmt=0
> libxl: error: libxl_exec.c:227:libxl__wait_for_offspring: Device Model not 
> ready
> libxl: error: libxl_pci.c:835:qemu_pci_add_xenstore: qemu refused to
> add device: 0000:01:07.1,msitranslate=0,power_mgmt=0
> libxl: error: libxl_exec.c:227:libxl__wait_for_offspring: Device Model not 
> ready
> libxl: error: libxl_pci.c:835:qemu_pci_add_xenstore: qemu refused to
> add device: 0000:01:07.2,msitranslate=0,power_mgmt=0
> Daemon running with PID 3627
> 
> 
> The DomU boots fine, but doesn't detect the USB controller.
> 
> If I try to pass one of the motherboard's USB controllers, 00:12.0 and
> 00:12.2, I don't get any such error messages, Windows boots, but in
> the Device manager complains about a PCI Device being unavailable for
> use (yellow triangle with Code 28, messages would be something like
> "Drivers not installed" (translated message, but that's what it
> means.))
> 
> This is my current lspci -vvv: http://pastebin.com/MBFPd3Kx
> And this is lspci -t: http://pastebin.com/0Mk5y5db
> 
> 
> Again, thanks for helping. :)

Hello Guatav,

I have a Gigabyte board with a similar PCI layout.  Passing any of those 
00:XX.Y devices doesn't play terribly well unless you ensure that as much as 
possible is assigned to pciback; or that at least all of the USB controllers 
are ;)

Anyway, what I *know* works for me is to pass the device...

> 03:00.0 USB controller: Etron Technology, Inc. EJ188/EJ198 USB 3.0 Host 
> Controller (prog-if 30 [XHCI])

...through to your Windows DomU.

Windows 7 _does_not_have_ drivers for this device as there is no USB3 stack.  
The USB3 drivers from your motherboard mfg's website (ASRock?) should work to 
get it installed after it shows up unknown in device manager.

Cheers,
Andrew Bobulsky



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