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Reason: There have been no kdbus releases for kernels 4.7 and up, and the project seems abandoned as developers are switching attention to BUS1 for the future of in-kernel IPC mechanism (Discuss in Talk:Kdbus#)

kdbus is an alternative in-kernel implementation of D-Bus.


Install the kdbusAUR package, then add kdbus=1 to the kernel parameters.

After rebooting, you can verify a working kdbus installation with:

$ dmesg | grep kdbus
kernel: kdbus: initialized

Also check that /sys/fs/kdbus/ contains the 0-system/ folder, denoting the system bus. Another sign of a working kdbus installation is that, after invoking busctl, the DESCRIPTION column should not be entirely empty for all services.

See also