> how about MAKEDEV(8)? > cd /dev && ./MAKEDEV all Thanks, Ben! That took care of everything in one fell swoop. I first fixed it manually with chgrp operator, as recommended by Mike, and reverting to 644, as pointed out by Miod. It is interesting I need to do this under KVM but not under VirtualBox (5.6-release for i386 in both cases).
Many thanks to everybody for your time. Best regards, Ezequiel