Pete Howell: > Has anyone ever gotten passthroughs to work? > > On Tuesday, July 30, 2019 at 9:51:45 PM UTC-6, Pete Howell wrote: >> >> I'm trying to passthrough a StarTech 2-Port USB 3.1 Card (#PEXUSB312A2) to >> an HVM running Windows 7, and the device does not show up. The device >> shows up in an lspci as: >> >> 01:00.0 USB controller: ASMedia Technology Inc. Device 2142 >> >> $ xl pci-assignable-list >> 0000:01:00.0 >> 0000:03:00.0 >> $ xl pci-assignable-add 01:00.0 >> libxl: warning: libxl_pci.c:636:libxl__device_pci_assignable_add: >> 0000:01:00.0 already assigned to pciback >> >> I have tried attaching it from the VM manager and from the command line: >> >> $ qvm-pci -a win7 01:00.0 >> $ qvm-start win7 >> (no errors) >> $ qvm-pci -l win7 >> ['01:00.0'] >> >> What I don't understand is why the device doesn't show up in the device >> manager on Windows. The driver software for Windows also doesn't see the >> device. >> >> Is there something that I'm missing to get the passthrough to work on a >> Windows HVM?? >> > I've heard of people getting USB controller passthrough to Windows working on 3.2+, but 3.1 is before my time...
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