🚀 go-pugleaf

Is this a bug or a feature? :-)

Symptom: pwd and ls sometimes gave errors in one filesystem (/foo). 

Repeat by: cd /foo; su user-with-different-uid/gid; pwd failed.
	   cd /; same su; cd foo; pwd worked ok.

Also:	from /foo, cd .. did not work.  
	ls -a showed .. but ls -al could not find ./..  
	ls -ld /foo showed mode 755

Solution: 

The file system /foo had mode 755 but the directory /foo that the foo
filesystem was mounted on was mode 770.  All I had to do was umount the
filesystem, chmod 777 the mount point and remount the filesystem.

Moral: Make sure your mount points are mode 777.

This occured on an AT&T 3B5 running UNIX V.2. Your mileage may vary.

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