The following problem occurs only occasionally. Error message: Assertion failed: (f_out >= 0), function send_xattr_request, file xattrs.c, line 663. rsync: [receiver] write error: Broken pipe (32) rsync error: error in socket IO (code 10) at io.c(820) [receiver=3.1.3] Command: /opt/local/bin/rsync --rsync-path=/opt/local/bin/rsync -a -HAXN -vz --numeric-ids --delete --delete-excluded -e ssh -i /Users/myuser/.ssh/id_ecdsa myserver:mydir /Users/myuser Output of "rsync --version": rsync version 3.1.3 protocol version 31 Output of "sw_vers": ProductName: Mac OS X ProductVersion: 10.13.6 BuildVersion: 17G65