Package: src:linux Fixed: 4.6.2-1 overlayfs and NFS works if you add the option default_permissions to the mount command as follow:
mount -t nfs -oro,noatime server:/srv/fai/nfsroot /tmp/lower mount -t overlay overlay -olowerdir=/tmp/lower,upperdir=/tmp/upper,workdir=/tmp/work,default_permissions /tmp/merged It works nicely for me with Debian kernel 4.6.2. Without this option, overwriting an existing file ended with a permissions denied. This option was added in january 2016 to the kernel. See http://thread.gmane.org/gmane.linux.file-systems.union/493 IMO we can close this bug now. -- regards Thomas
