Hi, I am trying to do USB passthrough in x86_64. I have Ubuntu as Dom0 and DomU.
*Dom0 : Linux teltvm0881 4.8.0-58-generic #63~16.04.1-Ubuntu SMP Mon Jun 26 18:08:51 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux* *DomU : Linux xen-guest-pv 4.12.0-custom #4 SMP Tue Jul 11 17:14:53 IST 2017 x86_64 GNU/Linux* I had earlier, rebuild the kernel from kernel.orgto add PCI passthrough support which was successful. But when i try to do USB passthrough, as given in, https://wiki.xenproject.org/wiki/Xen_USB_Passthrough it dont work.ie. *# xl usbctrl-attach xen-guest-pv version=1 ports=8* *libxl: error: libxl_dm.c:2423:libxl__dm_check_start: device model required but not running* *libxl: error: libxl.c:2012:device_addrm_aocomplete: unable to add device* *libxl_device_usbctrl_add failed.* Why is this? i am trying to hotplug my usb. I haveint made any changes in the config file, as i assumed it wont be needed for hotplug, also i didnt have to do it for pci passthrough. Should i? Also, i cannot find any usbback and frond in my PC. *# lsmod | grep pci* *xen_pciback 61440 0* *but,* *# lsmod | grep usb* back driver is not displayed. I tried to rebuild the kernel but I cannot find any configuration regarding usb in my kernel configuration. Is the usb passthrough support merged with the latest stable kernel in kernel.org? If yes, What all configuration should I enable in my config? Regards, Ajeesh
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