Comment 20 for bug 1825636

Same issue here: S3 enabled only after wake up.

Thinkapd X1 Carbon 2018 with i7-8550U running Ubuntu 19.10 on 5.3.0-42-generic. TLP enabled with default settings.

[...]
Mar 25 22:15:30 x1cbn systemd[1]: Starting TLP suspend/resume...
Mar 25 22:15:30 x1cbn systemd[1]: Started TLP suspend/resume.
Mar 25 22:15:30 x1cbn systemd[1]: Reached target Sleep.
Mar 25 22:15:30 x1cbn systemd[1]: Starting Suspend...
Mar 25 22:15:30 x1cbn systemd-sleep[26401]: Suspending system...
Mar 25 22:15:30 x1cbn kernel: [30261.531474] PM: suspend entry (deep)
Mar 25 22:15:30 x1cbn kernel: [30261.541908] Filesystems sync: 0.010 seconds
Mar 26 09:37:18 x1cbn kernel: [30261.543157] Freezing user space processes ... (elapsed 0.002 seconds) done.
Mar 26 09:37:18 x1cbn kernel: [30261.546086] OOM killer disabled.
Mar 26 09:37:18 x1cbn kernel: [30261.546086] Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done.
Mar 26 09:37:18 x1cbn kernel: [30261.547489] printk: Suspending console(s) (use no_console_suspend to debug)
Mar 26 09:37:18 x1cbn kernel: [30261.567980] psmouse serio1: Failed to disable mouse on isa0060/serio1
Mar 26 09:37:18 x1cbn kernel: [30261.846404] ACPI: EC: interrupt blocked
Mar 26 09:37:18 x1cbn kernel: [30261.904539] ACPI: Preparing to enter system sleep state S3
[...]