Same problem has existed for years on Ubuntu 16.04 with systemd and TLP in use. pm-utils is installed by default but for the most part inactive (last log entry Oct 28 2018).
OP already reported this Ask Ubuntu Q&A link posted 2 1/2 years ago: - https://askubuntu.com/questions/828486/kernel-suspends-too-quickly-upon-resume-continues-suspend-tasks (The answer receiving bounty award does not work and has not been accepted!) ====================================================================== An ACPI linked question of the same "suspend to RAM too quickly" issue can be found here: - https://unix.stackexchange.com/questions/502235/system-fails-to-suspend-acpi-ec-interrupt-blocked There is an old ACPI bug report which I understand is because Manufacturers hacked the specs to please Microsoft and Linux doesn't work well during boot up. I don't think ACPI is related but just in case here is a refresher on the error messages during boot: ACPI Error: [\_SB_.PCI0.XHC_.RHUB.HS11] Namespace lookup failure, AE_NOT_FOUND (20170728/dswload-210) Apr 04 21:05:29 alien kernel: ACPI Exception: AE_NOT_FOUND, During name lookup/catalog (20170728/psobject-252) Apr 04 21:05:29 alien kernel: ACPI Exception: AE_NOT_FOUND, (SSDT:xh_rvp10) while loading table (20170728/tbxfload-228) Apr 04 21:05:29 alien kernel: ACPI Error: 1 table load failures, 9 successful (20170728/tbxfload-246) ======================================================================== My log is similar to OP except that systemd shows it's fingerprints in the suspend/freeze process: Apr 20 01:42:39 alien systemd-sleep[32388]: /lib/systemd/system-sleep/r8169-reset failed wit Apr 20 01:42:39 alien systemd-sleep[32387]: Suspending system... -- Subject: System sleep state suspend entered -- Defined-By: systemd -- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel -- -- The system has now entered the suspend sleep state. Apr 20 01:42:39 alien kernel: PM: suspend entry (deep) Apr 20 01:42:39 alien kernel: PM: Syncing filesystems ... done. Apr 20 08:57:10 alien kernel: Freezing user space processes ... (elapsed 0.016 seconds) done Apr 20 08:57:10 alien kernel: OOM killer disabled. Apr 20 08:57:10 alien kernel: Freezing remaining freezable tasks ... (elapsed 0.001 seconds) Apr 20 08:57:10 alien kernel: Suspending console(s) (use no_console_suspend to debug) Apr 20 08:57:10 alien kernel: sd 1:0:0:0: [sda] Synchronizing SCSI cache Apr 20 08:57:10 alien kernel: sd 1:0:0:0: [sda] Stopping disk Apr 20 08:57:10 alien kernel: ACPI: EC: interrupt blocked Apr 20 08:57:10 alien kernel: ACPI: Preparing to enter system sleep state S3 Apr 20 08:57:10 alien kernel: ACPI: EC: event blocked Apr 20 08:57:10 alien kernel: ACPI: EC: EC stopped Apr 20 08:57:10 alien kernel: PM: Saving platform NVS memory Apr 20 08:57:10 alien kernel: Disabling non-boot CPUs ... Apr 20 08:57:10 alien kernel: smpboot: CPU 1 is now offline Apr 20 08:57:10 alien kernel: smpboot: CPU 2 is now offline Apr 20 08:57:10 alien kernel: smpboot: CPU 3 is now offline Apr 20 08:57:10 alien kernel: smpboot: CPU 4 is now offline Apr 20 08:57:10 alien kernel: smpboot: CPU 5 is now offline Apr 20 08:57:10 alien kernel: smpboot: CPU 6 is now offline Apr 20 08:57:10 alien kernel: smpboot: CPU 7 is now offline Apr 20 08:57:10 alien kernel: ACPI: Low-level resume complete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1825636 Title: Battery drain during sleep. System suspended before kernel suspends all tasks To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-signed-hwe/+bug/1825636/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
