I do not know the details but I did see that the Dev for the Arch VFIO kernel is making a patch for a 4.13 build due to USB issues. What kernel version are you on?
On October 28, 2017 5:27:15 AM PDT, "P. Pronk" <v...@pronk.nl> wrote: > >I found using USB pass-through quote annoying to use on a daily basis. >Having to re-attach when disconnected and vm's not starting when a USB >device is missing, ugh. > >If you still have a free pci-e slot in your system I recommend buying >an >add-in USB card for ~10 in whatever your currency is and use pci-e >pass-through. Makes life so much easier. > >Eg I used the pci-e x1 slot under my gpu for this with a low-profile >pci-e riser. > >On 28/10/17 13:58, Patrick O'Callaghan wrote: >> I've been using a USB-attached slide scanner (Ion Slidesforever) >under >> a Windows 10 VM using QEMU/KVM USB passthrough, however it has now >> stopped working. >> >> The device still shows up under the Windows "device manager" console, >> and the scanner app doesn't complain that it can't find it. The >scanner >> works correctly on a Windows laptop so the hardware is fine. I've >also >> removed and reinstalled the app (you never know with Windows) but >with >> no improvement. >> >> Under the VM the app launches but doesn't appear to receive any >input, >> nor does it give an error message. Removing and reattaching the >device >> in the virt-manager console (and rebooting the VM) makes no >difference. >> >> Using xsane under Linux does capture an image, but unfortunately not >at >> full resolution, so I need the proprietary Windows app and driver to >> work. >> >> This may have nothing to do with VFIO, but I thought I'd ask in case >> anyone has seen something similar. I have several thousand slides to >> get through :-( >> >> poc >> >> _______________________________________________ >> vfio-users mailing list >> vfio-users@redhat.com >> https://www.redhat.com/mailman/listinfo/vfio-users > >_______________________________________________ >vfio-users mailing list >vfio-users@redhat.com >https://www.redhat.com/mailman/listinfo/vfio-users
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