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[Alessandro Astone <2125549@xxxxxxxxxxxxxxxxxx>]

> (2) It does not appear that xfce launches applications as transient
systemd user units. To see this, try > running the following from a
terminal in a graphical session:

That's not necessary, provided that the graphical shell process has the
environment set and exports it when forking to the app process.

> (3) So, given that we moved from gnome-keyring to gcr4, my guess is
that gnome-keyring had another method of setting the SSH_AUTH_SOCK
variable in addition to the systemctl --user set-environment call in the
socket unit, and that gcr4 has no such mechanism.

Ok, xfce4-session has special integration with gnome-keyring-daemon.
It runs `gnome-keyring-daemon` which prints out some key-value-pairs to stdout and xfce4-session uses those to set its own environment:

$ gnome-keyring-daemon --start 2>/dev/null
GNOME_KEYRING_CONTROL=/run/user/1000/keyring
SSH_AUTH_SOCK=/run/user/1000/keyring/ssh

See https://salsa.debian.org/xfce-
team/desktop/xfce4-session/-/blob/972de48270971c2dc872bb5608ddac4a9ad8e0a1/xfce4-session/xfsm-
compat-gnome.c#L158

Now that gnome-keyring-daemon no longer provides an ssh agent,
xfce4-session doesn't know where to find one anymore.

I suggest a small patch to xfce4-session to try and find other known sockets, in order:
$XDG_RUNTIME_DIR/gcr/ssh
$XDG_RUNTIME_DIR/openssh_agent

Long-term, xfce4-session should invest in moving its session startup to
be systemd-based. But that's definitely out of scope for 25.10

** Changed in: gcr4 (Ubuntu)
       Status: New => Won't Fix

** Changed in: gcr4 (Ubuntu)
    Milestone: ubuntu-25.10 => None

-- 
You received this bug notification because you are a member of
Debcrafters packages, which is subscribed to gcr4 in Ubuntu.
https://bugs.launchpad.net/bugs/2125549

Title:
  ssh agent no longer work a questing upgrade

Status in gcr4 package in Ubuntu:
  Won't Fix
Status in openssh package in Ubuntu:
  Fix Released
Status in xubuntu-meta package in Ubuntu:
  New

Bug description:
  ssh agent worked fine in XUbuntu 25.04. After upgrading to 25.10
  (beta) it no longer works.

  * ssh-add reports "Could not open a connection to your authentication agent."
  * ssh keeps asking for key password
  * there is no graphical dialog asking for passwords when adding ssh-keys anymore
  * no SSH variable in terminal environment

  ProblemType: Bug
  DistroRelease: Ubuntu 25.10
  Package: openssh-client 1:10.0p1-5ubuntu4
  ProcVersionSignature: Ubuntu 6.17.0-4.4-generic 6.17.0-rc5
  Uname: Linux 6.17.0-4-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.33.1-0ubuntu2
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CurrentDesktop: XFCE
  Date: Wed Sep 24 07:58:24 2025
  InstallationDate: Installed on 2017-09-26 (2920 days ago)
  InstallationMedia: Ubuntu-Server 17.10 "Artful Aardvark" - Alpha amd64 (20170924)
  RelatedPackageVersions:
   ssh-askpass       N/A
   libpam-ssh        N/A
   keychain          N/A
   ssh-askpass-gnome N/A
  SSHClientVersion: OpenSSH_10.0p2 Ubuntu-5ubuntu4, OpenSSL 3.5.2 5 Aug 2025
  SourcePackage: openssh
  UpgradeStatus: Upgraded to questing on 2025-09-22 (2 days ago)

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