VirtualBox 客户工具，Ubuntu 18.04 LTS 中反复出现的问题？
$ head -n2 /etc/apt/sources.list
# deb cdrom:[Ubuntu 18.04.4 LTS _Bionic Beaver_ - Release amd64 (20200203.1)]/ bionic main restricted
$ hwe-support-status
Your Hardware Enablement Stack (HWE) is supported until april 2023.
$ dpkg -l | grep hwe
ii linux-generic-hwe-18.04 5.3.0.40.97 amd64 Complete Generic Linux kernel and headers
ii linux-headers-generic-hwe-18.04 5.3.0.40.97 amd64 Generic Linux kernel headers
ii linux-image-generic-hwe-18.04 5.3.0.40.97 amd64 Generic Linux kernel image
ii xserver-xorg-core-hwe-18.04 2:1.20.5+git20191008-0ubuntu1~18.04.1 amd64 Xorg X server - core server
ii xserver-xorg-hwe-18.04 1:7.7+19ubuntu8~18.04.3 amd64 X.Org X server
ii xserver-xorg-input-all-hwe-18.04 1:7.7+19ubuntu8~18.04.3 amd64 X.Org X server -- input driver metapackage
ii xserver-xorg-input-libinput-hwe-18.04 0.28.1-1~18.04.1 amd64 X.Org X server -- libinput input driver
ii xserver-xorg-input-wacom-hwe-18.04 1:0.36.1-0ubuntu1~18.04.1 amd64 X.Org X server -- Wacom input driver
ii xserver-xorg-legacy-hwe-18.04 2:1.20.5+git20191008-0ubuntu1~18.04.1 amd64 setuid root Xorg server wrapper
ii xserver-xorg-video-all-hwe-18.04 1:7.7+19ubuntu8~18.04.3 amd64 X.Org X server -- output driver metapackage
ii xserver-xorg-video-amdgpu-hwe-18.04 19.0.1-1ubuntu1~18.04.1 amd64 X.Org X server -- AMDGPU display driver
ii xserver-xorg-video-ati-hwe-18.04 1:19.0.1-1ubuntu1~18.04.1 amd64 X.Org X server -- AMD/ATI display driver wrapper
ii xserver-xorg-video-fbdev-hwe-18.04 1:0.5.0-1ubuntu1~18.04.1 amd64 X.Org X server -- fbdev display driver
ii xserver-xorg-video-intel-hwe-18.04 2:2.99.917+git20171229-1ubuntu1~18.04.1 amd64 X.Org X server -- Intel i8xx, i9xx display driver
ii xserver-xorg-video-nouveau-hwe-18.04 1:1.0.16-1~18.04.1 amd64 X.Org X server -- Nouveau display driver
ii xserver-xorg-video-qxl-hwe-18.04 0.1.5-2build2~18.04.1 amd64 X.Org X server -- QXL display driver
ii xserver-xorg-video-radeon-hwe-18.04 1:19.0.1-1ubuntu1~18.04.1 amd64 X.Org X server -- AMD/ATI Radeon display driver
ii xserver-xorg-video-vesa-hwe-18.04 1:2.4.0-1~18.04.1 amd64 X.Org X server -- VESA display driver
ii xserver-xorg-video-vmware-hwe-18.04 1:13.3.0-2build1~18.04.1 amd64 X.Org X server -- VMware display driver
$ uname -r
5.3.0-40-generic
$ sudo apt install virtualbox-guest-x11
Reading package lists...
Building dependency tree...
Reading state information...
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The following packages have unmet dependencies:
virtualbox-guest-x11 : Depends: xorg-video-abi-23
Depends: xserver-xorg-core (>= 2:1.18.99.901)
E: Unable to correct problems, you have held broken packages.
$ sudo apt install virtualbox-guest-x11
Reading package lists...
Building dependency tree...
Reading state information...
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The following packages have unmet dependencies:
virtualbox-guest-x11-hwe : Depends: virtualbox-guest-utils-hwe (= 5.2.34-dfsg-0~ubuntu18.04.1) but it is not going to be installed
E: Unable to correct problems, you have held broken packages.
