2012/1/17 朱格宏 <zhugehonghn@xxxxxxxxx>: > Hi,i found some problem when upgrade to pacman4 > i use pacman -Syu and it told me > :: package-query: require pacman<3.6 > but my pacman is 3.5.4-4, > how to slove it? Update package-query. You get the error because you're about to install a new version of pacman, probable pacman 4.0.1-4.