This is present in 4.13.0-37-generic on 16.04LTS too:
[280691.914572] ecryptfs_encrypt_page: Error attempting to write lower page; rc = [-5] [280691.914581] ecryptfs_writepage: Error encrypting page (upper index [0x0000000000000004]) [280722.634521] ecryptfs_encrypt_page: Error attempting to write lower page; rc = [-5] [280722.634529] ecryptfs_writepage: Error encrypting page (upper index [0x0000000000000005])
This is present in 4.13.0-37-generic on 16.04LTS too:
[280691.914572] ecryptfs_ encrypt_ page: Error attempting to write lower page; rc = [-5] 0004]) encrypt_ page: Error attempting to write lower page; rc = [-5] 0005])
[280691.914581] ecryptfs_writepage: Error encrypting page (upper index [0x000000000000
[280722.634521] ecryptfs_
[280722.634529] ecryptfs_writepage: Error encrypting page (upper index [0x000000000000