As a workaround I have disabled the swaync.service unit and simply launch swaync via `exec swaync` in the sway config - which appears to be the launch method recommended by the sway and swaync authors.
On Thu, 11 Dec 2025 18:55:05 -0800 Sam Coulter <[email protected]> wrote: > Package: sway-notification-center > Version: 0.12.3-1 > Severity: important > X-Debbugs-Cc: [email protected] > > Dear Maintainer, > > After installing the sway-notification-center package, the user service > unit 'swaync.service' does not appear to run without errors when logging > in to a sway session (via greetd + tuigreet) > > The service can be manually started with `systemctl --user start swaync` > after login though, and then it appears to work fine. > > Output of `journalctl --user -u swaync`: > > ``` > Dec 11 18:47:44 pc systemd[1587]: Starting swaync.service - Swaync notification daemon... > Dec 11 18:47:44 pc swaync[165918]: Starting SwayNotificationCenter version swaync 0.12.3 > Dec 11 18:47:44 pc swaync[165918]: Failed to open display > Dec 11 18:47:44 pc systemd[1587]: swaync.service: Main process exited, code=exited, status=1/FAILURE > Dec 11 18:47:44 pc systemd[1587]: swaync.service: Failed with result 'exit-code'. > Dec 11 18:47:44 pc systemd[1587]: Failed to start swaync.service - Swaync notification daemon. > Dec 11 18:47:44 pc systemd[1587]: swaync.service: Scheduled restart job, restart counter is at 2. > Dec 11 18:47:44 pc systemd[1587]: Starting swaync.service - Swaync notification daemon... > Dec 11 18:47:44 pc swaync[165937]: Starting SwayNotificationCenter version swaync 0.12.3 > Dec 11 18:47:44 pc swaync[165937]: Failed to open display > Dec 11 18:47:44 pc systemd[1587]: swaync.service: Main process exited, code=exited, status=1/FAILURE > Dec 11 18:47:44 pc systemd[1587]: swaync.service: Failed with result 'exit-code'. > Dec 11 18:47:44 pc systemd[1587]: Failed to start swaync.service - Swaync notification daemon. > Dec 11 18:47:44 pc systemd[1587]: swaync.service: Scheduled restart job, restart counter is at 3. > Dec 11 18:47:44 pc systemd[1587]: Starting swaync.service - Swaync notification daemon... > Dec 11 18:47:44 pc swaync[166012]: Starting SwayNotificationCenter version swaync 0.12.3 > Dec 11 18:47:44 pc swaync[166012]: Failed to open display > Dec 11 18:47:44 pc systemd[1587]: swaync.service: Main process exited, code=exited, status=1/FAILURE > Dec 11 18:47:44 pc systemd[1587]: swaync.service: Failed with result 'exit-code'. > Dec 11 18:47:44 pc systemd[1587]: Failed to start swaync.service - Swaync notification daemon. > Dec 11 18:47:44 pc systemd[1587]: swaync.service: Scheduled restart job, restart counter is at 4. > Dec 11 18:47:44 pc systemd[1587]: Starting swaync.service - Swaync notification daemon... > Dec 11 18:47:45 pc swaync[166018]: Starting SwayNotificationCenter version swaync 0.12.3 > Dec 11 18:47:45 pc swaync[166018]: Failed to open display > Dec 11 18:47:45 pc systemd[1587]: swaync.service: Main process exited, code=exited, status=1/FAILURE > Dec 11 18:47:45 pc systemd[1587]: swaync.service: Failed with result 'exit-code'. > Dec 11 18:47:45 pc systemd[1587]: Failed to start swaync.service - Swaync notification daemon. > Dec 11 18:47:45 pc systemd[1587]: swaync.service: Scheduled restart job, restart counter is at 5. > Dec 11 18:47:45 pc systemd[1587]: Starting swaync.service - Swaync notification daemon... > Dec 11 18:47:45 pc swaync[166026]: Starting SwayNotificationCenter version swaync 0.12.3 > Dec 11 18:47:45 pc swaync[166026]: Failed to open display > Dec 11 18:47:45 pc systemd[1587]: swaync.service: Main process exited, code=exited, status=1/FAILURE > Dec 11 18:47:45 pc systemd[1587]: swaync.service: Failed with result 'exit-code'. > Dec 11 18:47:45 pc systemd[1587]: Failed to start swaync.service - Swaync notification daemon. > Dec 11 18:47:45 pc systemd[1587]: swaync.service: Scheduled restart job, restart counter is at 6. > Dec 11 18:47:45 pc systemd[1587]: swaync.service: Start request repeated too quickly. > Dec 11 18:47:45 pc systemd[1587]: swaync.service: Failed with result 'exit-code'. > Dec 11 18:47:45 pc systemd[1587]: Failed to start swaync.service - Swaync notification daemon. > Dec 11 18:47:53 pc systemd[1587]: swaync.service: Start request repeated too quickly. > Dec 11 18:47:53 pc systemd[1587]: swaync.service: Failed with result 'exit-code'. > Dec 11 18:47:53 pc systemd[1587]: Failed to start swaync.service - Swaync notification daemon. > ``` >
