There are several other reports of Déjà Dup repeatedly prompting for the encryption passphrase when encountering a GPG error (although not necessarily the same as that in Mathias's log) during an incremental backup, and only successfully completing full backups. See e.g.
There are several other reports of Déjà Dup repeatedly prompting for the encryption passphrase when encountering a GPG error (although not necessarily the same as that in Mathias's log) during an incremental backup, and only successfully completing full backups. See e.g.
# "encrypted message has been manipulated" /bugs.launchpad .net/deja- dup/+bug/ 1540286
https:/
# "can't handle text lines longer than 19995 characters" /bugs.launchpad .net/ubuntu/ +source/ deja-dup/ +bug/1019293
https:/
# "block_filter 0x12345678: read error" /bugs.launchpad .net/ubuntu/ +source/ deja-dup/ +bug/883742
https:/
People still affected, check logs with 'DEJA_DUP_DEBUG=1 deja-dup --backup' to find out if your problem is triggered by the same GPG error?