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[Bug 2125549] Re: ssh agent no longer work a questing upgrade

 

I'm not sure ssh-agent.socket is at all related here.
On a desktop system like Xubuntu you were probably using the gnome-keyring ssh agent (at $XDG_RUNTIME_DIR/keyring/ssh). In questing that was replaced by the gcr4 ssh agent (at $XDG_RUNTIME_DIR/gcr4/ssh), managed by /usr/lib/systemd/user/gcr4-ssh-agent.socket. Both gnome-keyring and gcr4-ssh-agent use `systemctl --user set-environment` to expose the socket path.

`systemctl --user set-environment` affects the environment of all units
started after that call. If the systemd startup sequence of your desktop
is correct, the desktop shell will be started *after* the gcr4-ssh-
agent.socket so that the shell will get SSH_AUTH_SOCK set and it will
correctly pass it to its children apps.

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https://bugs.launchpad.net/bugs/2125549

Title:
  ssh agent no longer work a questing upgrade

Status in openssh package in Ubuntu:
  In Progress

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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References