Hi I ran into the same issues other people had, where I had to ldconfig and rm /boot/.firmware_revision.
But after that, I get a new error, that has not been reported before:
3438160806: vchiq_lib: Very incompatible VCHIQ library - cannot retrieve driver version
What should I do?
In fact it is a known problem, as mentioned here:
Sorry for making a typo in the search box before concluding it was a new issue :-)