Created søndag 23 oktober 2016
Package from an earlier stage can be found in /var/cache/pacman/pkg/
Unless it has been cleared with paccache of course.
Downgrade a package
# To downgrade a package and its dependencies
$ cd /var/cache/pacman/pkg/
$ pacman -U <PACKAGE_NAME>
# You can then add it (temporarily) to be ignored on upgrades
# Edit /etc/pacman.conf and add the package name to IgnorePkg=
# Ex. (For multiple entries, use a space-separated list)
IgnorePkg=mplayer vlc
Downgrading the kernel :
# As minimum, downgrade linux, linux-headers and linux modules.
# Ex.
$ pacman -U linux-3.5.6-1-x86_64.pkg.tar.xz linux-headers-3.5.6-1-x86_64.pkg.tar.xz virtualbox-host-modules-4.2.0-5-x86_64.pkg.tar.xz