[CentOS] Mate desktop crashes at startup after update to Centos 8.5.2111

Thu Nov 18 17:10:58 UTC 2021
Frank Cox <theatre at sasktel.net>

I updated my main computer to Centos 8.5.2111 late last night and now Mate (my usual choice of desktop) will no longer start.

>From the GDM login screen I enter my password and select Mate.  The screen goes blank and appears to be loading the Mate desktop as usual, but just at the point where the desktop should appear it returns to the GDM login menu.

I use Mate from the  stenstorp/MATE  repo and it's been working fine until last night's update.

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