3.17.0+ files disappearing after playing old dos game on nfsroot laptop

[Hans de Bruin]

After playing an old dos game i am missing files on my nfsroot installed
laptop. Which one, wel /bin/ls is at least one of them. After a reboot
there all back again. But not al is well. Some icons on my kde panel
where gone. I have seen this twice in the last day's

The problem appears immediately after starting dosemu so this bisectable