Question

2

Suspend to RAM not working

rated 0 times [ 2] [ 0] / answers: 1 / hits: 4337 / 2 Years ago, tue, january 18, 2022, 11:52:47

IMPORTANT EDIT: Today, Supermicro answered officially to my inquiry. The X11SPA supports neither suspend to ram nor suspend to disk. In my opinion, this is a substantial flaw, since that motherboard is their flagship for workstation-oriented applications. Be aware of it.

Ubuntu 20.10 here, first installation upon a newly built system. Everything works perfectly except one thing that's very important to me: suspend2ram.

If I try to suspend (sleep) via systemctl suspend, the screen blanks out, but nothing else happens, power stays on, fans spinning. At this point, if I press the power button, the monitor turns on, and all is how I left it.

Look at this now. On my system:

$ cat /sys/power/mem_sleep

[s2idle]

Whereas upon a laptop where suspend works, it is:

$ cat /sys/power/mem_sleep

s2idle [deep]

How can I debug the issue? Surely, there is some device which prevents suspend, but how to find it?

What follows are:

inxi dump to show you the system config.

relevant syslog dump.

EDIT1: Tried hibernation. The system resumes with corrupted screen, then hangs and requires hard reset.

EDIT2: Installed windows10, s2ram not allowed. Hibernation hangs more or less the same way.

System:    Host: bliz Kernel: 5.8.0-26-lowlatency x86_64 bits: 64 compiler: gcc v: 10.2.0 Desktop: KDE Plasma 5.19.5 

           tk: Qt 5.14.2 wm: kwin_x11 dm: SDDM Distro: Ubuntu 20.10 (Groovy Gorilla) 

Machine:   Mobo: Supermicro model: X11SPA-TF v: 1.01 serial: <superuser/root required> UEFI: American Megatrends v: 3.3 

           date: 02/21/2020 

Memory:    RAM: total: 125.44 GiB used: 1.94 GiB (1.5%) 

           RAM Report: permissions: Unable to run dmidecode. Root privileges required. 

CPU:       Info: 24-Core model: Intel Xeon Platinum 8260M bits: 64 type: MT MCP arch: Cascade Lake rev: 5 

           L2 cache: 33.0 MiB 

           flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 220800 

           Speed: 1000 MHz min/max: 1000/3900 MHz Core speeds (MHz): 1: 1204 2: 1001 3: 1000 4: 1167 5: 1001 6: 1000 

           7: 1088 8: 1200 9: 1504 10: 1000 11: 1200 12: 1049 13: 1146 14: 1000 15: 1100 16: 1000 17: 1098 18: 1036 

           19: 1000 20: 1141 21: 1113 22: 1341 23: 1041 24: 1143 25: 1000 26: 1089 27: 1000 28: 1043 29: 1001 30: 1141 

           31: 1087 32: 1001 33: 1086 34: 1200 35: 1101 36: 1307 37: 1001 38: 1177 39: 1070 40: 1000 41: 1017 42: 1001 

           43: 1089 44: 1056 45: 1000 46: 1086 47: 1001 48: 1099 

Graphics:  Device-1: ASPEED Graphics Family vendor: Super Micro driver: ast v: kernel bus ID: 04:00.0 chip ID: 1a03:2000 

           Device-2: NVIDIA TU106 [GeForce RTX 2060 SUPER] driver: nvidia v: 455.28 bus ID: 19:00.0 chip ID: 10de:1f06 

           Device-3: NVIDIA TU106 [GeForce RTX 2060 SUPER] driver: nvidia v: 455.28 bus ID: 1a:00.0 chip ID: 10de:1f06 

           Device-4: NVIDIA TU106 [GeForce RTX 2060 SUPER] driver: nvidia v: 455.28 bus ID: 65:00.0 chip ID: 10de:1f06 

           Device-5: NVIDIA TU106 [GeForce RTX 2060 SUPER] driver: nvidia v: 455.28 bus ID: b4:00.0 chip ID: 10de:1f06 

           Display: x11 server: X.Org 1.20.9 compositor: kwin_x11 driver: modesetting,nvidia unloaded: fbdev,nouveau,vesa 

           resolution: 1920x1080~60Hz s-dpi: 101 

           OpenGL: renderer: GeForce RTX 2060 SUPER/PCIe/SSE2 v: 4.6.0 NVIDIA 455.28 direct render: Yes 

Network:   Device-1: Intel I210 Gigabit Network vendor: Super Micro driver: igb v: 5.6.0-k port: 2000 bus ID: 05:00.0 

           chip ID: 8086:1533 

           IF: eno1 state: up speed: 1000 Mbps duplex: full mac: 00:25:90:be:43:2d 

           Device-2: Aquantia AQC107 NBase-T/IEEE 802.3bz Ethernet [AQtion] vendor: Super Micro driver: atlantic v: kernel 

           port: 2000 bus ID: 06:00.0 chip ID: 1d6a:07b1 

           IF: eth0 state: down mac: 00:25:90:be:43:f5 

Drives:    Local Storage: total: 476.94 GiB used: 11.38 GiB (2.4%) 

           ID-1: /dev/nvme0n1 vendor: Samsung model: SSD 970 PRO 512GB size: 476.94 GiB speed: 31.6 Gb/s lanes: 4 

Partition: ID-1: / size: 287.37 GiB used: 11.37 GiB (4.0%) fs: ext4 dev: /dev/nvme0n1p2 

Swap:      ID-1: swap-1 type: partition size: 180.06 GiB used: 0 KiB (0.0%) priority: -2 dev: /dev/nvme0n1p3 

Sensors:   System Temperatures: cpu: 50.0 C mobo: N/A gpu: nvidia temp: 62 C 

           Fan Speeds (RPM): N/A gpu: nvidia fan: 29% 

Info:      Processes: 752 Uptime: 2m Init: systemd v: 246 runlevel: 5 Compilers: gcc: 10.2.0 alt: 10 Packages: apt: 2979 

           Shell: Bash v: 5.0.17 running in: konsole inxi: 3.1.07

Nov  7 17:50:25 bliz systemd[1]: anacron.service: Succeeded.

Nov  7 17:51:48 bliz ModemManager[1471]: <info>  [sleep-monitor] system is about to suspend

Nov  7 17:51:48 bliz NetworkManager[1289]: <info>  [1604767908.1255] manager: sleep: sleep requested (sleeping: no  enabled: yes)

Nov  7 17:51:48 bliz NetworkManager[1289]: <info>  [1604767908.1256] manager: NetworkManager state is now ASLEEP

Nov  7 17:51:48 bliz whoopsie[2263]: [17:51:48] offline

Nov  7 17:51:48 bliz systemd[1]: Reached target Sleep.

Nov  7 17:51:48 bliz systemd[1]: Starting Suspend...

Nov  7 17:51:48 bliz kernel: [  995.921939] PM: suspend entry (s2idle)

Nov  7 17:51:48 bliz systemd-sleep[3346]: Suspending system...

Nov  7 17:51:48 bliz kernel: [  995.928295] Filesystems sync: 0.006 seconds

Nov  7 17:51:48 bliz acpid: client 1788[0:0] has disconnected

Nov  7 17:52:10 bliz kernel: [  996.340713] Freezing user space processes ... (elapsed 0.002 seconds) done.

Nov  7 17:52:10 bliz kernel: [  996.343045] OOM killer disabled.

Nov  7 17:52:10 bliz kernel: [  996.343046] Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done.

Nov  7 17:52:10 bliz kernel: [  996.344199] printk: Suspending console(s) (use no_console_suspend to debug)

Nov  7 17:52:10 bliz kernel: [  996.346322] serial 00:04: disabled

Nov  7 17:52:10 bliz kernel: [  996.346577] serial 00:03: disabled

Nov  7 17:52:10 bliz kernel: [ 1016.883067] pci 0000:16:05.0: disabled boot interrupts on device [8086:2034]

Nov  7 17:52:10 bliz kernel: [ 1016.883157] pci 0000:64:05.0: disabled boot interrupts on device [8086:2034]

Nov  7 17:52:10 bliz kernel: [ 1016.883192] pci 0000:b2:05.0: disabled boot interrupts on device [8086:2034]

Nov  7 17:52:10 bliz kernel: [ 1016.883581] usb usb3: root hub lost power or was reset

Nov  7 17:52:10 bliz kernel: [ 1016.883584] usb usb4: root hub lost power or was reset

Nov  7 17:52:10 bliz kernel: [ 1016.883594] usb usb5: root hub lost power or was reset

Nov  7 17:52:10 bliz kernel: [ 1016.883597] usb usb6: root hub lost power or was reset

Nov  7 17:52:10 bliz kernel: [ 1016.883940] power_meter ACPI000D:00: Found ACPI power meter.

Nov  7 17:52:10 bliz kernel: [ 1016.885528] serial 00:03: activated

Nov  7 17:52:10 bliz kernel: [ 1016.886870] serial 00:04: activated

Nov  7 17:52:10 bliz kernel: [ 1016.943776] nvme nvme0: Shutdown timeout set to 8 seconds

Nov  7 17:52:10 bliz kernel: [ 1016.972019] nvme nvme0: 32/0/0 default/read/poll queues

Nov  7 17:52:10 bliz kernel: [ 1017.212955] ata3: SATA link down (SStatus 0 SControl 300)

Nov  7 17:52:10 bliz kernel: [ 1017.214100] ata2: SATA link down (SStatus 0 SControl 300)

Nov  7 17:52:10 bliz kernel: [ 1017.214135] ata8: SATA link down (SStatus 0 SControl 300)

Nov  7 17:52:10 bliz kernel: [ 1017.214177] ata6: SATA link down (SStatus 0 SControl 300)

Nov  7 17:52:10 bliz kernel: [ 1017.214222] ata5: SATA link down (SStatus 0 SControl 300)

Nov  7 17:52:10 bliz kernel: [ 1017.214266] ata7: SATA link down (SStatus 0 SControl 300)

Nov  7 17:52:10 bliz kernel: [ 1017.214312] ata1: SATA link down (SStatus 0 SControl 300)

Nov  7 17:52:10 bliz kernel: [ 1017.214368] ata4: SATA link down (SStatus 0 SControl 300)

Nov  7 17:52:10 bliz kernel: [ 1017.392324] usb 1-1.2: reset low-speed USB device number 6 using xhci_hcd

Nov  7 17:52:10 bliz kernel: [ 1017.751867] usb 1-1.2: device descriptor read/64, error -32

Nov  7 17:52:10 bliz kernel: [ 1018.749136] fbcon: Taking over console

Nov  7 17:52:10 bliz kernel: [ 1018.749140] OOM killer enabled.

Nov  7 17:52:10 bliz kernel: [ 1018.749141] Restarting tasks ... 

Nov  7 17:52:10 bliz kernel: [ 1018.751194] Console: switching to colour frame buffer device 128x48

Nov  7 17:52:10 bliz kernel: [ 1018.751614] done.

Nov  7 17:52:10 bliz kernel: [ 1018.754898] PM: suspend exit

Nov  7 17:52:10 bliz acpid: client 1788[0:0] has disconnected

Nov  7 17:52:10 bliz pipewire[2335]: #033[1;33m[W][000000998.421004][main-loop.c:157 pw_main_loop_run()] main-loop 0x55fa059cc0a0: iterate error -4 (Interrupted system call)#033[0m

Nov  7 17:52:10 bliz systemd-sleep[3346]: System resumed.

Nov  7 17:52:10 bliz acpid: client 1788[0:0] has disconnected

Nov  7 17:52:10 bliz pipewire[2341]: #033[1;33m[W][000000998.421027][main-loop.c:157 pw_main_loop_run()] main-loop 0x55eacc699e10: iterate error -4 (Interrupted system call)#033[0m

Nov  7 17:52:10 bliz acpid: client 1788[0:0] has disconnected

Nov  7 17:52:10 bliz systemd[1]: systemd-suspend.service: Succeeded.

Nov  7 17:52:10 bliz systemd[1]: Finished Suspend.

Nov  7 17:52:10 bliz systemd[1]: Stopped target Sleep.

Nov  7 17:52:10 bliz systemd[1]: Reached target Suspend.

Nov  7 17:52:10 bliz systemd[1]: Stopped target Suspend.

Nov  7 17:52:10 bliz ModemManager[1471]: <info>  [sleep-monitor] system is resuming

Nov  7 17:52:10 bliz NetworkManager[1289]: <info>  [1604767930.9755] manager: sleep: wake requested (sleeping: yes  enabled: yes)

Nov  7 17:52:10 bliz NetworkManager[1289]: <info>  [1604767930.9757] device (eno1): state change: activated -> unmanaged (reason 'sleeping', sys-iface-state: 'managed')

Nov  7 17:52:10 bliz NetworkManager[1289]: <info>  [1604767930.9928] dhcp4 (eno1): canceled DHCP transaction

Nov  7 17:52:10 bliz NetworkManager[1289]: <info>  [1604767930.9929] dhcp4 (eno1): state changed bound -> done

Nov  7 17:52:10 bliz avahi-daemon[1283]: Withdrawing address record for 192.168.1.7 on eno1.

Nov  7 17:52:10 bliz avahi-daemon[1283]: Leaving mDNS multicast group on interface eno1.IPv4 with address 192.168.1.7.

Nov  7 17:52:10 bliz avahi-daemon[1283]: Interface eno1.IPv4 no longer relevant for mDNS.

Nov  7 17:52:10 bliz avahi-daemon[1283]: Withdrawing address record for fe80::b8ff:d7cb:f7bb:ca99 on eno1.

Nov  7 17:52:10 bliz avahi-daemon[1283]: Leaving mDNS multicast group on interface eno1.IPv6 with address fe80::b8ff:d7cb:f7bb:ca99.

Nov  7 17:52:10 bliz avahi-daemon[1283]: Interface eno1.IPv6 no longer relevant for mDNS.

Nov  7 17:52:11 bliz NetworkManager[1289]: <info>  [1604767931.0036] manager: NetworkManager state is now CONNECTED_GLOBAL

Nov  7 17:52:11 bliz NetworkManager[1289]: <info>  [1604767931.0329] manager: NetworkManager state is now DISCONNECTED

Nov  7 17:52:11 bliz NetworkManager[1289]: <info>  [1604767931.0341] device (eth0): state change: unavailable -> unmanaged (reason 'sleeping', sys-iface-state: 'managed')

Nov  7 17:52:11 bliz NetworkManager[1289]: <info>  [1604767931.0369] device (eno1): state change: unmanaged -> unavailable (reason 'managed', sys-iface-state: 'managed')

Nov  7 17:52:11 bliz dbus-daemon[1287]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service' requested by ':1.10' (uid=0 pid=1289 comm="/usr/sbin/NetworkManager --no-daemon " label="unconfined")

Nov  7 17:52:11 bliz systemd[1]: Starting Network Manager Script Dispatcher Service...

Nov  7 17:52:11 bliz dbus-daemon[1287]: [system] Successfully activated service 'org.freedesktop.nm_dispatcher'

Nov  7 17:52:11 bliz systemd[1]: Started Network Manager Script Dispatcher Service.

Nov  7 17:52:11 bliz nm-dispatcher[3625]: run-parts: failed to stat component /etc/network/if-post-down.d/avahi-daemon: No such file or directory

Nov  7 17:52:11 bliz NetworkManager[1289]: <info>  [1604767931.0651] device (eth0): state change: unmanaged -> unavailable (reason 'managed', sys-iface-state: 'managed')

Nov  7 17:52:11 bliz acpid: client connected from 1788[0:0]

Nov  7 17:52:11 bliz acpid: 1 client rule loaded

Nov  7 17:52:11 bliz acpid: client connected from 1788[0:0]

Nov  7 17:52:11 bliz acpid: 1 client rule loaded

Nov  7 17:52:11 bliz acpid: client connected from 1788[0:0]

Nov  7 17:52:11 bliz acpid: 1 client rule loaded

Nov  7 17:52:11 bliz acpid: client connected from 1788[0:0]

Nov  7 17:52:11 bliz acpid: 1 client rule loaded

Nov  7 17:52:13 bliz ModemManager[1471]: <info>  [base-manager] couldn't check support for device '/sys/devices/pci0000:00/0000:00:1c.6/0000:05:00.0': not supported by any plugin

Nov  7 17:52:14 bliz kernel: [ 1021.957276] igb 0000:05:00.0 eno1: igb: eno1 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX/TX

Nov  7 17:52:14 bliz kernel: [ 1022.063973] IPv6: ADDRCONF(NETDEV_CHANGE): eno1: link becomes ready

Nov  7 17:52:14 bliz NetworkManager[1289]: <info>  [1604767934.2455] device (eno1): carrier: link connected

Nov  7 17:52:14 bliz NetworkManager[1289]: <info>  [1604767934.2459] device (eno1): state change: unavailable -> disconnected (reason 'carrier-changed', sys-iface-state: 'managed')

Nov  7 17:52:14 bliz NetworkManager[1289]: <info>  [1604767934.2475] policy: auto-activating connection 'Wired connection 1' (da1d0e20-bea3-38af-9caf-d380db64c81e)

Nov  7 17:52:14 bliz NetworkManager[1289]: <info>  [1604767934.2485] device (eno1): Activation: starting connection 'Wired connection 1' (da1d0e20-bea3-38af-9caf-d380db64c81e)

Nov  7 17:52:14 bliz NetworkManager[1289]: <info>  [1604767934.2487] device (eno1): state change: disconnected -> prepare (reason 'none', sys-iface-state: 'managed')

Nov  7 17:52:14 bliz NetworkManager[1289]: <info>  [1604767934.2494] manager: NetworkManager state is now CONNECTING

Nov  7 17:52:14 bliz NetworkManager[1289]: <info>  [1604767934.2499] device (eno1): state change: prepare -> config (reason 'none', sys-iface-state: 'managed')

Nov  7 17:52:14 bliz NetworkManager[1289]: <info>  [1604767934.2509] device (eno1): state change: config -> ip-config (reason 'none', sys-iface-state: 'managed')

Nov  7 17:52:14 bliz NetworkManager[1289]: <info>  [1604767934.2513] dhcp4 (eno1): activation: beginning transaction (timeout in 45 seconds)

Nov  7 17:52:14 bliz avahi-daemon[1283]: Joining mDNS multicast group on interface eno1.IPv6 with address fe80::b8ff:d7cb:f7bb:ca99.

Nov  7 17:52:14 bliz avahi-daemon[1283]: New relevant interface eno1.IPv6 for mDNS.

Nov  7 17:52:14 bliz avahi-daemon[1283]: Registering new address record for fe80::b8ff:d7cb:f7bb:ca99 on eno1.*.

Nov  7 17:52:14 bliz NetworkManager[1289]: <info>  [1604767934.2811] dhcp4 (eno1): option dhcp_lease_time      => '21600'

Nov  7 17:52:14 bliz NetworkManager[1289]: <info>  [1604767934.2811] dhcp4 (eno1): option domain_name          => 'homenet.telecomitalia.it'

Nov  7 17:52:14 bliz NetworkManager[1289]: <info>  [1604767934.2811] dhcp4 (eno1): option domain_name_servers  => '192.168.1.1'

Nov  7 17:52:14 bliz NetworkManager[1289]: <info>  [1604767934.2811] dhcp4 (eno1): option expiry               => '1604789534'

Nov  7 17:52:14 bliz NetworkManager[1289]: <info>  [1604767934.2812] dhcp4 (eno1): option ip_address           => '192.168.1.7'

Nov  7 17:52:14 bliz NetworkManager[1289]: <info>  [1604767934.2812] dhcp4 (eno1): option requested_broadcast_address => '1'

Nov  7 17:52:14 bliz NetworkManager[1289]: <info>  [1604767934.2812] dhcp4 (eno1): option requested_domain_name => '1'

Nov  7 17:52:14 bliz NetworkManager[1289]: <info>  [1604767934.2812] dhcp4 (eno1): option requested_domain_name_servers => '1'

Nov  7 17:52:14 bliz NetworkManager[1289]: <info>  [1604767934.2812] dhcp4 (eno1): option requested_domain_search => '1'

Nov  7 17:52:14 bliz NetworkManager[1289]: <info>  [1604767934.2812] dhcp4 (eno1): option requested_host_name  => '1'

Nov  7 17:52:14 bliz NetworkManager[1289]: <info>  [1604767934.2812] dhcp4 (eno1): option requested_interface_mtu => '1'

Nov  7 17:52:14 bliz avahi-daemon[1283]: Joining mDNS multicast group on interface eno1.IPv4 with address 192.168.1.7.

Nov  7 17:52:14 bliz NetworkManager[1289]: <info>  [1604767934.2812] dhcp4 (eno1): option requested_ms_classless_static_routes => '1'

Nov  7 17:52:14 bliz NetworkManager[1289]: <info>  [1604767934.2813] dhcp4 (eno1): option requested_nis_domain => '1'

Nov  7 17:52:14 bliz avahi-daemon[1283]: New relevant interface eno1.IPv4 for mDNS.

Nov  7 17:52:14 bliz NetworkManager[1289]: <info>  [1604767934.2813] dhcp4 (eno1): option requested_nis_servers => '1'

Nov  7 17:52:14 bliz avahi-daemon[1283]: Registering new address record for 192.168.1.7 on eno1.IPv4.

Nov  7 17:52:14 bliz NetworkManager[1289]: <info>  [1604767934.2813] dhcp4 (eno1): option requested_ntp_servers => '1'

Nov  7 17:52:14 bliz NetworkManager[1289]: <info>  [1604767934.2813] dhcp4 (eno1): option requested_rfc3442_classless_static_routes => '1'

Nov  7 17:52:14 bliz NetworkManager[1289]: <info>  [1604767934.2813] dhcp4 (eno1): option requested_root_path  => '1'

Nov  7 17:52:14 bliz NetworkManager[1289]: <info>  [1604767934.2813] dhcp4 (eno1): option requested_routers    => '1'

Nov  7 17:52:14 bliz NetworkManager[1289]: <info>  [1604767934.2813] dhcp4 (eno1): option requested_static_routes => '1'

Nov  7 17:52:14 bliz NetworkManager[1289]: <info>  [1604767934.2813] dhcp4 (eno1): option requested_subnet_mask => '1'

Nov  7 17:52:14 bliz NetworkManager[1289]: <info>  [1604767934.2814] dhcp4 (eno1): option requested_time_offset => '1'

Nov  7 17:52:14 bliz NetworkManager[1289]: <info>  [1604767934.2814] dhcp4 (eno1): option requested_wpad       => '1'

Nov  7 17:52:14 bliz NetworkManager[1289]: <info>  [1604767934.2814] dhcp4 (eno1): option routers              => '192.168.1.1'

Nov  7 17:52:14 bliz NetworkManager[1289]: <info>  [1604767934.2814] dhcp4 (eno1): option subnet_mask          => '255.255.255.0'

Nov  7 17:52:14 bliz NetworkManager[1289]: <info>  [1604767934.2814] dhcp4 (eno1): state changed unknown -> bound

Nov  7 17:52:14 bliz NetworkManager[1289]: <info>  [1604767934.2836] device (eno1): state change: ip-config -> ip-check (reason 'none', sys-iface-state: 'managed')

Nov  7 17:52:14 bliz NetworkManager[1289]: <info>  [1604767934.2858] device (eno1): state change: ip-check -> secondaries (reason 'none', sys-iface-state: 'managed')

Nov  7 17:52:14 bliz NetworkManager[1289]: <info>  [1604767934.2860] device (eno1): state change: secondaries -> activated (reason 'none', sys-iface-state: 'managed')

Nov  7 17:52:14 bliz NetworkManager[1289]: <info>  [1604767934.2865] manager: NetworkManager state is now CONNECTED_LOCAL

Nov  7 17:52:14 bliz NetworkManager[1289]: <info>  [1604767934.2875] manager: NetworkManager state is now CONNECTED_SITE

Nov  7 17:52:14 bliz NetworkManager[1289]: <info>  [1604767934.2876] policy: set 'Wired connection 1' (eno1) as default for IPv4 routing and DNS

Nov  7 17:52:14 bliz NetworkManager[1289]: <info>  [1604767934.2953] device (eno1): Activation: successful, device activated.

Nov  7 17:52:14 bliz NetworkManager[1289]: <info>  [1604767934.2965] manager: NetworkManager state is now CONNECTED_GLOBAL

Nov  7 17:52:16 bliz systemd-resolved[1264]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP.

Nov  7 17:52:16 bliz whoopsie[2263]: [17:52:16] Cannot reach: https://daisy.ubuntu.com

Nov  7 17:52:16 bliz whoopsie[2263]: [17:52:16] The default IPv4 route is: /org/freedesktop/NetworkManager/ActiveConnection/2

Nov  7 17:52:16 bliz whoopsie[2263]: [17:52:16] Not a paid data plan: /org/freedesktop/NetworkManager/ActiveConnection/2

Nov  7 17:52:16 bliz whoopsie[2263]: [17:52:16] Found usable connection: /org/freedesktop/NetworkManager/ActiveConnection/2

Nov  7 17:52:16 bliz whoopsie[2263]: [17:52:16] The default IPv4 route is: /org/freedesktop/NetworkManager/ActiveConnection/2

Nov  7 17:52:16 bliz whoopsie[2263]: [17:52:16] Not a paid data plan: /org/freedesktop/NetworkManager/ActiveConnection/2

Nov  7 17:52:16 bliz whoopsie[2263]: [17:52:16] Found usable connection: /org/freedesktop/NetworkManager/ActiveConnection/2

Nov  7 17:52:16 bliz whoopsie[2263]: [17:52:16] online

Nov  7 17:52:16 bliz dbus-daemon[2340]: [session uid=1000 pid=2340] Activating service name='org.kde.KSplash' requested by ':1.98' (uid=1000 pid=3707 comm="/usr/bin/kwin_x11 --crashes 1 " label="unconfined")

Nov  7 17:52:24 bliz systemd[1]: NetworkManager-dispatcher.service: Succeeded.

Nov  7 17:52:29 bliz systemd-resolved[1264]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP.

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answered 2 Years ago ledeball · Accepted Answer

Supermicro answered officially to my inquiry. The X11SPA supports neither suspend to ram (ACPI S3) nor suspend to disk (ACPI S4). In my opinion, this is a substantial flaw, since that motherboard is their flagship for workstation-oriented applications. Be aware of it.