Comment 1 for bug 385632

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Joe Pfeiffer (joseph-pfeifferfamily) wrote :

I came across this today in another distribution. It turned out to be a protections issue; one of the ancestor directories wasn't accessible by root.

umount gives the error message you cite when it receives an EACCES error return, which is extremely misleading. I wonder if this should be reported as a bug against util-linux?