Q:

symbol lookup error: /usr/lib/libgtk-x11-2.0.so.0: undefined symbol: g_datalist_get_data

A:

sudo pacman -S glib2

 

Q:

cp: cannot stat /usr/share/lxde/pcmanfm/pcmanfm.conf No such file or directory

A:

mkdir -p /usr/share/lxde/pcmanfm

cp -a /etc/xdg/pcmanfm/default/pcmanfm.conf /usr/share/lxde/pcmanfm/pcmanfm.conf

 

Q:

no theme on lxdm

A:

I remove all files in /var/run/lxdm and /var/lib/lxdm, and reinstall, and OK.