I've been having a problem loading software that use xcb, such as vlc and plasma desktop. Vlc gives the following error:[0000000000ddc148] core libvlc: Running vlc with the default interface. Use 'cvlc' to use vlc without interface.This application failed to start because it could not find or load the Qt platform plugin xcb.Available platform plugins are: linuxfb, minimal, minimalegl, offscreen, wayland-egl, wayland.Reinstalling the application may fix this problem.AbortedI have libxcb1 and libx11-xcb1 installed; reinstalling them and vlc didn't fix the problem.
Unable to find or load Qt platform plugin xcb on debian strech
debian;vlc;qt
On what system? From the tags I'm assuming you are running Debian?On debian jessie and testing, the xcb plugin is in the libqt5gui5 package, but vlc depends on it. On some older versions of qt5 packaging, the package containing the qpa plugin used to be libqt5xcbqpa5.