Clearing DAC watchdogs on SUS machine without I/O chassis causes lockup
If you try to clear the DAC watchdogs on a SUS front-end that does not have an I/O chassis, it will cause the computer to lock up, requiring a hard boot to recover.
Details on how to reproduce are in TST log 13353
Note this has been present since November, 2019 on the test stand TST log 12930