Comment 16 for bug 1830427

Verified 1.0.0-0ubuntu4~18.10.2 on Cosmic:

[ 735.086317] Adding 4095996k swap on /swap-hibinit. Priority:-2 extents:11 across:5013500k SSFS
[ 735.109481] PM: Starting manual resume from disk
[ 735.111061] PM: Image not found (code -22)
[ 735.189264] PM: hibernation entry
[ 735.194657] PM: Syncing filesystems ...
[ 735.205056] PM: done.
[ 735.205058] Freezing user space processes ... (elapsed 0.001 seconds) done.
[ 735.206273] OOM killer disabled.
[ 735.206316] PM: Marking nosave pages: [mem 0x00000000-0x00000fff]
[ 735.206317] PM: Marking nosave pages: [mem 0x0009e000-0x000fffff]
[ 735.206318] PM: Basic memory bitmaps created
[ 735.206327] PM: Preallocating image memory... done (allocated 161217 pages)
[ 735.273851] PM: Allocated 644868 kbytes in 0.06 seconds (10747.80 MB/s)
[ 735.273851] Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done.
[ 735.313765] ACPI: Preparing to enter system sleep state S4
[ 735.313853] PM: Saving platform NVS memory
[ 735.313854] Disabling non-boot CPUs ...
[ 735.343186] smpboot: CPU 1 is now offline
[ 735.346036] PM: Creating hibernation image:
[ 735.392176] PM: Need to copy 159548 pages
[ 735.392178] PM: Normal pages needed: 159548 + 1024, available pages: 823326
[ 735.392178] PM: Restoring platform NVS memory
[ 15.528282] xen:grant_table: Grant tables using version 1 layout
[ 15.528315] xen: restored ACPI SCI interrupt
[ 15.530366] Enabling non-boot CPUs ...
[ 15.530377] installing Xen timer for CPU 1
[ 15.530499] x86: Booting SMP configuration:
[ 15.530500] smpboot: Booting Node 0 Processor 1 APIC 0x1
[ 15.531146] cpu 1 spinlock event irq 59
[ 15.531174] cache: parent cpu1 should not be sleeping
[ 15.531568] CPU1 is up
[ 15.531627] ACPI: Waking up from system sleep state S4
[ 15.562188] blkfront: xvda: barrier or flush: disabled; persistent grants: disabled; indirect descriptors: enabled;
[ 15.575431] Setting capacity to 41943040
[ 15.584095] PM: Basic memory bitmaps freed
[ 15.584097] OOM killer enabled.
[ 15.584097] Restarting tasks ... done.
[ 15.590755] ixgbevf 0000:00:03.0: NIC Link is Up 10 Gbps
[ 15.595308] PM: hibernation exit
[ 2937.413612] Adding 4095996k swap on /swap-hibinit. Priority:-2 extents:11 across:5013500k SSFS
[ 2937.425319] PM: Starting manual resume from disk
[ 2937.425922] PM: Image not found (code -22)
[ 2937.504469] PM: hibernation entry
[ 2937.508066] PM: Syncing filesystems ...
[ 2937.517064] PM: done.
[ 2937.517065] Freezing user space processes ... (elapsed 0.001 seconds) done.
[ 2937.518240] OOM killer disabled.
[ 2937.518275] PM: Marking nosave pages: [mem 0x00000000-0x00000fff]
[ 2937.518276] PM: Marking nosave pages: [mem 0x0009e000-0x000fffff]
[ 2937.518278] PM: Basic memory bitmaps created
[ 2937.518285] PM: Preallocating image memory... done (allocated 161769 pages)
[ 2937.583802] PM: Allocated 647076 kbytes in 0.06 seconds (10784.60 MB/s)
[ 2937.583803] Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done.
[ 2937.624172] ACPI: Preparing to enter system sleep state S4
[ 2937.624257] PM: Saving platform NVS memory
[ 2937.624258] Disabling non-boot CPUs ...
[ 2937.644528] smpboot: CPU 1 is now offline
[ 2937.646142] PM: Creating hibernation image:
[ 2937.691784] PM: Need to copy 160152 pages
[ 2937.691787] PM: Normal pages needed: 160152 + 1024, available pages: 822712
[ 2937.691787] PM: Restoring platform NVS memory
[ 15.884173] xen:grant_table: Grant tables using version 1 layout
[ 15.884207] xen: restored ACPI SCI interrupt
[ 15.885780] Enabling non-boot CPUs ...
[ 15.885796] installing Xen timer for CPU 1
[ 15.885945] x86: Booting SMP configuration:
[ 15.885946] smpboot: Booting Node 0 Processor 1 APIC 0x1
[ 15.886558] cpu 1 spinlock event irq 59
[ 15.886594] cache: parent cpu1 should not be sleeping
[ 15.887030] CPU1 is up
[ 15.887089] ACPI: Waking up from system sleep state S4
[ 15.924111] blkfront: xvda: barrier or flush: disabled; persistent grants: disabled; indirect descriptors: enabled;
[ 15.927793] Setting capacity to 41943040
[ 15.936768] PM: Basic memory bitmaps freed
[ 15.936770] OOM killer enabled.
[ 15.936771] Restarting tasks ...
[ 15.939736] ixgbevf 0000:00:03.0: NIC Link is Up 10 Gbps
[ 15.942430] done.
[ 15.948725] PM: hibernation exit
ubuntu@ip-172-31-11-56:~$ screen -ls
There is a screen on:
 2558..ip-172-31-11-56 (06/21/19 11:41:36) (Detached)
1 Socket in /run/screen/S-ubuntu.
ubuntu@ip-172-31-11-56:~$ dpkg -l ec2-hibinit-agent | cat
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version Architecture Description
+++-=================-======================-============-=================================
ii ec2-hibinit-agent 1.0.0-0ubuntu4~18.10.2 all Amazon EC2 hibernation agent
ubuntu@ip-172-31-11-56:~$ cat /etc/issue
Ubuntu 18.10 \n \l