Description of Problem: swapoff -a will sometimes return without unmounting any
swapoff against partitions/files will unmount those particular files/partitions.
When everything is unmounted, swapon -a will restore the system
At the moment I don't have a reproducible test case, but am working to find one.
Need a reproducible test case...
This has reportedly been fixed in the version of mount which shipped with 7.2
(mount-2.11g-5). The problem has not been reported since this upgrade.