更新后 Steam 无法正常启动并显示：
Steam needs to install these additional packages:
libgl1-mesa-dri:i386, libgl1-mesa-glx:i386
安装时提示：
.........
Reading package lists... Done
Building dependency tree
Reading state information... Done
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:
ibus : Depends: gir1.2-gtk-3.0 (>= 3.8.5) but it is not going to be installed
Depends: adwaita-icon-theme but it is not going to be installed
Recommends: ibus-gtk3 but it is not going to be installed or
ibus-qt4 but it is not going to be installed or
libqt5gui5 but it is not going to be installed
libcheese-gtk25 : Depends: libcogl20 (>= 1.17.4) but it is not going to be installed
Depends: gstreamer1.0-clutter-3.0 but it is not going to be installed
libcheese8 : Depends: libclutter-gst-3.0-0 (>= 3.0.4) but it is not going to be installed
libclutter-1.0-0 : Depends: libcogl-pango20 (>= 1.17.4) but it is not going to be installed
Depends: libcogl-path20 (>= 1.17.4) but it is not going to be installed
Depends: libcogl20 (>= 1.21.2) but it is not going to be installed
libclutter-gtk-1.0-0 : Depends: libcogl20 (>= 1.17.4) but it is not going to be installed
libegl1-mesa : Depends: libgl1-mesa-dri (= 1:17.1.4-0~x~padoka0) but it is not going to be installed
libgbm1 : Depends: libgl1-mesa-dri (= 1:17.1.4-0~x~padoka0) but it is not going to be installed
libgl1-mesa-glx : Depends: libglapi-mesa (= 1:17.1.4-0~x~padoka0) but it is not going to be installed
Depends: libgl1-mesa-dri (>= 7.2) but it is not going to be installed
Breaks: libgl1-mesa-glx:i386 (!= 1:17.1.4-0~x~padoka0) but 17.3~git1708090730.a1c9a6~gd~x is to be installed
libgl1-mesa-glx:i386 : Breaks: libgl1-mesa-glx (!= 17.3~git1708090730.a1c9a6~gd~x) but 1:17.1.4-0~x~padoka0 is to be installed
libgtk-3-0 : Depends: libgtk-3-common (>= 3.18.9-1ubuntu3.3) but it is not going to be installed
Depends: libwayland-egl1-mesa (>= 10.0.2) but it is not going to be installed or
libwayland-egl1
Recommends: libgtk-3-bin
libqgsttools-p1 : Depends: libqt5multimediawidgets5 (>= 5.0.2) but it is not going to be installed or
libqt5multimediawidgets5-gles (>= 5.0.2) but it is not going to be installed
libqt5gui5-gles : Depends: libgles2-mesa (>= 7.8.1) but it is not going to be installed or
libgles2
libqt5quick5-gles : Depends: libgles2-mesa (>= 7.8.1) but it is not going to be installed or
libgles2
libwebkit2gtk-4.0-37 : Depends: libwayland-egl1-mesa (>= 10.0.2) but it is not going to be installed or
libwayland-egl1
Recommends: libwebkit2gtk-4.0-37-gtk2 but it is not going to be installed
qtdeclarative5-ubuntu-ui-toolkit-plugin : Depends: qml-module-ubuntu-components
Depends: qml-module-ubuntu-performancemetrics
Depends: qml-module-ubuntu-test but it is not going to be installed
system-config-printer-gnome : Depends: adwaita-icon-theme but it is not going to be installed
Depends: gir1.2-gtk-3.0 but it is not going to be installed
unity-asset-pool : Depends: adwaita-icon-theme but it is not going to be installed
E: Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.
Press return to continue:
所以我无法安装这些软件包。我还尝试了：
sudo apt-get install libc6:i386 libgl1-mesa-dri-lts-xenial:i386 libgl1-mesa-glx-lts-xenial:i386
Reading package lists... Done
Building dependency tree
Reading state information... Done
libc6:i386 is already the newest version (2.23-0ubuntu9).
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:
libgl1-mesa-dri-lts-xenial:i386 : Depends: libgl1-mesa-dri:i386 but it is not going to be installed
libgl1-mesa-glx-lts-xenial:i386 : Depends: libgl1-mesa-glx:i386 but it is not going to be installed
E: Unable to correct problems, you have held broken packages.
这仍然没有成功。我阅读了有关此问题的其他主题，但还没有解决方案。有人能帮我吗？我不明白这里的问题。