I noticed a few days ago that mate-screensaver was not running on one
of my systems. Instead of showing the unlock dialogue, it was just
unblanking the screen:
$ mate-screensaver-command -q
The screensaver is inactive
The screensaver is not inhibited
The system had been up for about
To follow up. This turns out to be a weird tolerance mismatch or worn sockets
on the Z840. The cables for the WD drives just don't fit the Z840 well. They
are fine on the Z400s and other connectors are fine with the Z840, but not
these cables and these sockets. Truly weird. I'll pull some sock
