On Thursday, March 2, 2017 at 6:02:56 AM UTC-5, atlahua wrote:
> ISSUE: Touchscreen and all other USB devices assigned to the same USB bus 
> stop working
> On Qubes 3.1 I found a workaround solution assining the USB bus that manages 
> the touchscreen to dom0 (on sys-usb services tab). The touch screen started 
> working. The disadvantage in terms of security is that the other devices 
> assigned to this bus (USB port and built-in camera were also assigned to dom0.
> The news is that after upgrading to Qubes 3.2, this workaround solution does 
> not work anymore. Thinking that it might be related to having Xfce instead of 
> KDE I swaped the desktop environment to KDE as instructed in your help pages 
> but it seems that was not the issue. Also all other devices on the same bus 
> stopped working, that is, the computer does not even detect a pendrive to one 
> of the USB ports on the computer.
> All the USB devices work fine when re-assinged to sys-usb, except from the 
> touchscreen, that is.
> ___Laptop: Asus TP300LA 
> 4GB________________________________________________________________
> [user@sys-usb /]$ lsusb
> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> **Bus 002 Device 005: ID 03eb:8b03 Atmel Corp.** 
> Bus 002 Device 004: ID 064e:9700 Suyin Corp. Asus Integrated Webcam
> Bus 002 Device 003: ID 8087:07dc Intel Corp. 
> Bus 002 Device 002: ID 8087:8000 Intel Corp. 
> Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
> Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
i'm not sure, but maybe you need to manually enable mouse proxy for it, check 
its enabled correctly?  https://www.qubes-os.org/doc/usb/

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