I just ran into this with 18.04.2, which has HWE out of the box.
Repro:
1) Fresh 18.04.2 in a KVM VM. 2) sudo apt install xpra 3) After graphical console login (?), input devices don't work.
Package list below:
--- $ sudo apt install xpra [sudo] password for user: Reading package lists... Done Building dependency tree Reading state information... Done The following additional packages will be installed: freeglut3 libgtkglext1 libpango1.0-0 libpangox-1.0-0 libpython-stdlib python python-cairo python-dbus python-gi python-gi-cairo python-gobject-2 python-gtk2 python-gtkglext1 python-lz4 python-lzo python-minimal python-olefile python-opengl python-pil python-rencode python2.7 python2.7-minimal ssh-askpass xserver-xorg-core xserver-xorg-input-void xserver-xorg-video-dummy Suggested packages: python-doc python-tk python-dbus-dbg python-dbus-doc python-gobject-2-dbg python-gtk2-doc python-numpy libgle3 python-pil-doc python-pil-dbg python2.7-doc binfmt-support openssh-server python-pyopencl python-gst-1.0 python-avahi python-netifaces cups-pdf python-cups python-opencv v4l2loopback-dkms python-yaml xfonts-100dpi | xfonts-75dpi The following packages will be REMOVED: ubuntu-desktop xorg xserver-xorg-core-hwe-18.04 xserver-xorg-hwe-18.04 xserver-xorg-input-all-hwe-18.04 xserver-xorg-input-libinput-hwe-18.04 xserver-xorg-input-wacom-hwe-18.04 xserver-xorg-video-all-hwe-18.04 xserver-xorg-video-amdgpu-hwe-18.04 xserver-xorg-video-ati-hwe-18.04 xserver-xorg-video-fbdev-hwe-18.04 xserver-xorg-video-intel-hwe-18.04 xserver-xorg-video-nouveau-hwe-18.04 xserver-xorg-video-qxl-hwe-18.04 xserver-xorg-video-radeon-hwe-18.04 xserver-xorg-video-vesa-hwe-18.04 xserver-xorg-video-vmware-hwe-18.04 The following NEW packages will be installed: freeglut3 libgtkglext1 libpango1.0-0 libpangox-1.0-0 libpython-stdlib python python-cairo python-dbus python-gi python-gi-cairo python-gobject-2 python-gtk2 python-gtkglext1 python-lz4 python-lzo python-minimal python-olefile python-opengl python-pil python-rencode python2.7 python2.7-minimal ssh-askpass xpra xserver-xorg-core xserver-xorg-input-void xserver-xorg-video-dummy 0 upgraded, 27 newly installed, 17 to remove and 0 not upgraded. Need to get 7,215 kB of archives. After this operation, 21.6 MB of additional disk space will be used. Do you want to continue? [Y/n]
I just ran into this with 18.04.2, which has HWE out of the box.
Repro:
1) Fresh 18.04.2 in a KVM VM.
2) sudo apt install xpra
3) After graphical console login (?), input devices don't work.
Package list below:
--- xorg-input- void xorg-video- dummy gobject- 2-dbg xorg-core- hwe-18. 04 xserver- xorg-hwe- 18.04 xorg-input- all-hwe- 18.04 xserver- xorg-input- libinput- hwe-18. 04 xorg-input- wacom-hwe- 18.04 xserver- xorg-video- all-hwe- 18.04 xorg-video- amdgpu- hwe-18. 04 xserver- xorg-video- ati-hwe- 18.04 xorg-video- fbdev-hwe- 18.04 xserver- xorg-video- intel-hwe- 18.04 xorg-video- nouveau- hwe-18. 04 xserver- xorg-video- qxl-hwe- 18.04 xorg-video- radeon- hwe-18. 04 xserver- xorg-video- vesa-hwe- 18.04 xorg-video- vmware- hwe-18. 04 xorg-input- void xorg-video- dummy
$ sudo apt install xpra
[sudo] password for user:
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following additional packages will be installed:
freeglut3 libgtkglext1 libpango1.0-0 libpangox-1.0-0 libpython-stdlib python
python-cairo python-dbus python-gi python-gi-cairo python-gobject-2
python-gtk2 python-gtkglext1 python-lz4 python-lzo python-minimal
python-olefile python-opengl python-pil python-rencode python2.7
python2.7-minimal ssh-askpass xserver-xorg-core xserver-
xserver-
Suggested packages:
python-doc python-tk python-dbus-dbg python-dbus-doc python-
python-gtk2-doc python-numpy libgle3 python-pil-doc python-pil-dbg
python2.7-doc binfmt-support openssh-server python-pyopencl python-gst-1.0
python-avahi python-netifaces cups-pdf python-cups python-opencv
v4l2loopback-dkms python-yaml xfonts-100dpi | xfonts-75dpi
The following packages will be REMOVED:
ubuntu-desktop xorg xserver-
xserver-
xserver-
xserver-
xserver-
xserver-
xserver-
xserver-
The following NEW packages will be installed:
freeglut3 libgtkglext1 libpango1.0-0 libpangox-1.0-0 libpython-stdlib python
python-cairo python-dbus python-gi python-gi-cairo python-gobject-2
python-gtk2 python-gtkglext1 python-lz4 python-lzo python-minimal
python-olefile python-opengl python-pil python-rencode python2.7
python2.7-minimal ssh-askpass xpra xserver-xorg-core xserver-
xserver-
0 upgraded, 27 newly installed, 17 to remove and 0 not upgraded.
Need to get 7,215 kB of archives.
After this operation, 21.6 MB of additional disk space will be used.
Do you want to continue? [Y/n]