On Sun, 13 Jan 2019 at 13:23, Dave Mitchell <davem@iabyn.com> wrote:
Fedora 29.

journalctl -f shows the following lines appearing in the log every five
seconds.  Can anyone tell me whether this is important, and if so how to
fix it, and if not, how to stop this noise filling the journal up?

I often find archlinux documentation helpful for such problems.
https://wiki.archlinux.org/index.php/Trusted_Platform_Module has a helpful description 
with a remark that you may need to enable TPM in the BIOS.

 [...]

--
George N. White III