Osxfuse: Device not configured, not unmountable

[mfeblowitz]

Scenario:

• Mac loses contact with s3
• any access results in a "Device not configured" message
• umount complains of device busy; same for the recommended diskutil unmount
• lsof does not find the mounted dir - not when specified as device id or mount path

So far, the only way I've found to have it let go is to reboot.

Any recommendations?

[mfeblowitz]

according to this, the following command does work:

umount -f <path>