According to https://bugs.launchpad.net/ubuntu/+source/seahorse/+bug/1420522 it's fixed in seahorse 3.30, which is present in ubuntu cosmic and later.
>From https://bugzilla.redhat.com/show_bug.cgi?id=1435924, this should >reproduce the problem: 1. Generate a ssh key using the keytype ed25519 and enter a password when creating the key: $ ssh-keygen -t ed25519 2. Log out from your computer and log in again 3. Start a ssh session to a remote host: $ ssh u...@domain.tld I tried that with bionic, which has seahorse 3.20.0 Comment #88 hints that trusty is affected and also broke, can someone confirm that please? trusty has seahorse 3.10.2-0ubuntu1 Releases older than trusty are EOL by now. ** Bug watch added: Red Hat Bugzilla #1435924 https://bugzilla.redhat.com/show_bug.cgi?id=1435924 ** Changed in: openssh (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Server, which is subscribed to openssh in Ubuntu. https://bugs.launchpad.net/bugs/201786 Title: ssh Agent admitted failure to sign using the key on big endian machines To manage notifications about this bug go to: https://bugs.launchpad.net/seahorse/+bug/201786/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
