Downgrading packages

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Before downgrading a single or multiple packages, consider why you wish to do so. If it is due to a bug, search the bug tracker for existing tasks. If there is none, add a new task; it is better to correct bugs, or at least warn other users of possible issues.

  • Downgrading one package may require that its dependencies be downgraded as well. When the number of packages to downgrade is large, consider using a snapshot. See Arch Linux Archive#How to restore all packages to a specific date.
  • Be careful with changes to configuration files and scripts. For now pacman will handle this for us, as long as we do not bypass its safeguards.
  • If the downgrading involve a soname change, all dependency may need downgrading or rebuild too.

Return to an earlier package version

Using the pacman cache

If a package was installed at an earlier stage, and the pacman cache was not cleaned, install an earlier version from /var/cache/pacman/pkg/.

This process will remove the current package and install the older version. Dependency changes will be handled, but pacman will not handle version conflicts. If a library or other package needs to be downgraded with the packages, please be aware that you will have to downgrade this package yourself as well.

# pacman -U /var/cache/pacman/pkg/package-old_version.pkg.tar.xz

Once the package is reverted, temporarily add it to the IgnorePkg section of pacman.conf, until the difficulty with the updated package is resolved.

Downgrading the kernel

In case of issue with a new kernel, the Linux packages can be downgraded to the last working ones #using the pacman cache. Go into the directory /var/cache/pacman/pkg and downgrade at least linux, linux-headers and any kernel modules. For example:

# pacman -U linux-4.15.8-1-x86_64.pkg.tar.xz linux-headers-4.15.8-1-x86_64.pkg.tar.xz virtualbox-host-modules-arch-5.2.8-4-x86_64.pkg.tar.xz
Tip: If you are unable to boot after a kernel update, you can downgrade the kernel chrooting into the system. Boot using an Arch Linux USB flash installation media and mount the partition where your system is installed to /mnt. If you have /boot or /var on separate partitions, also mount them to /mnt (e.g. mount /dev/sdc3 /mnt/boot). Then chroot into the system using:
# arch-chroot /mnt /bin/bash
Now you can go into the pacman cache directory and downgrade the Linux packages using the command indicated above. Once done, exit the chroot (with exit) and reboot.

Arch Linux Archive

The Arch Linux Archive is a daily snapshot of the official repositories. It can be used to install a previous package version, or restore the system to an earlier date.

Rebuild the package

If the package is unavailable, find the correct PKGBUILD and rebuild it with makepkg.

For packages from the official repositories, retrieve the PKGBUILD with ABS and change the software version. Alternatively, find the package on the Packages website, click "View Changes", and navigate to the desired version. The files are available through a .tar.gz snapshot, and via the Tree view.

See also Arch Build System#Checkout an older version of a package.

Old AUR packages can be built by checking out an old commit in the AUR package Git repository. For pre-2015 AUR3 PKGBUILDs, see Arch User Repository#Git repositories for AUR3 packages.


downgraderAUR is a tool which works with libalpm, supports the pacman log and downgrading packages using Arch Linux Archive, local cache and ARM.

The downgradeAUR package is a Bash script to downgrade one (or multiple) packages, by using the pacman cache or the Arch Rollback Machine. See man downgrade for details.

agetpkg-gitAUR quickly lists/gets/installs packages from the Arch Linux Archive.

Return from [testing]

See Official repositories#Disabling testing repositories.