Did any of this ever work? I have a USB C Thunderbolt based hub and I'm unable to get it to output Displayport screens.
All the USB/ethernet/etc on it work fine though. On Thursday, January 9, 2020 at 7:54:49 AM UTC-8 ryan...@ryantate.com wrote: > > > On Wednesday, January 8, 2020 at 3:14:03 PM UTC-5, brend...@gmail.com > wrote: > >> 1. Qubes has pcie hotplug disabled in the dom0 kernel, which TB uses for >> PCIe-based thunderbolt devices. This is disabled for security reasons. >> 2. The TB alternate mode that supports USBs might not instantiate the >> PCIe USB controller it connects through *until a USB device is connected to >> that port*. >> 3. Therefore...depending on BIOS support...you *might* be able to have a >> USB device seen by qubes if the USB device is plugged in at power-on. Even >> if that works, it might be on a USB PCIe controller that is not already >> attached to your sys-usb (if you have one). >> 4. If it does work, you might want to create a sys-usb-c which you run >> only after connecting a device to the port at boot time, and assign the >> (usually hidden) PCIe USB controller that that VM only. >> >> >> > Thanks for the reply! I took a break in the middle of typing my own reply, > for a meeting, so your message came in as I was completing it. > > All of your points seem to line up with what I discovered poking around. > Yes, I can get usb-c seen if device connected at power on. > > Thanks for the idea of an secondary sys-usb for usb-c! I had not > considered that. If I discover I really need something Usb-c, which seems > likely in time, I will probably do that. For now it's really just my new > yubikey, which I am going to give to someone else and replace with a > USB-A/NFC. > -- You received this message because you are subscribed to the Google Groups "qubes-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to qubes-users+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/qubes-users/baf0e219-7c29-473b-ad76-3ba36a44ae8cn%40googlegroups.com.
