通过 snap 安装时，vlc 无法启动。如果我从命令行尝试，我会收到以下错误。
$ vlc
VLC media player 3.0.11 Vetinari (revision 3.0.11-0-gdc0c5ced72)
[000055762720bb40] main libvlc: Running vlc with the default interface. Use 'cvlc' to use vlc without interface.
Qt: Session management error: None of the authentication protocols specified are supported
Fontconfig warning: FcPattern object weight does not accept value [40 200)
Segmentation fault (core dumped)
我使用 Ubuntu 20.10。突然之间，VLC 无法启动。当尝试通过命令行运行它时，我得到：
$ vlc
VLC media player 3.0.12.1 Vetinari (revision 3.0.12.1-0-g170157402b)
[00005573fa81cb40] main libvlc: Running vlc with the default interface. Use 'cvlc' to use vlc without interface.
Qt: Session management error: Could not open network socket
Fontconfig warning: FcPattern object weight does not accept value [40 200)
Segmentation fault (core dumped)