[ 1.855894] Lockdown: Hibernation is restricted; see man kernel_lockdown.7
commit 49b04f8acc7788778a360e7462353a86eaffca53 Author: David Howells <dhowe...@redhat.com> Date: Wed May 24 14:56:00 2017 +0100 UBUNTU: SAUCE: (efi-lockdown) Add the ability to lock down access to the running kernel image Provide a single call to allow kernel code to determine whether the system should be locked down, thereby disallowing various accesses that might allow the running kernel image to be changed including the loading of modules that aren't validly signed with a key we recognise, fiddling with MSR registers and disallowing hibernation, -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1789018 Title: /sys/power/state miss "disk" Status in linux package in Ubuntu: Incomplete Bug description: cat /sys/power/state freeze mem As a result, hibernate-disk is failed to work. ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: linux-image-4.15.0-33-generic 4.15.0-33.36 ProcVersionSignature: Ubuntu 4.15.0-33.36-generic 4.15.18 Uname: Linux 4.15.0-33-generic x86_64 ApportVersion: 2.20.9-0ubuntu7.2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: ming 1501 F.... pulseaudio CurrentDesktop: XFCE Date: Sat Aug 25 22:42:04 2018 HibernationDevice: RESUME=UUID=6c3eb510-861e-4d9a-9009-0c5b62d57105 InstallationDate: Installed on 2018-08-11 (13 days ago) InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725) Lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 004: ID 1c7a:0570 LighTuning Technology Inc. Bus 001 Device 003: ID 04f2:b5c5 Chicony Electronics Co., Ltd Bus 001 Device 002: ID 8087:0a2a Intel Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: Acer Swift SF314-54 ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-33-generic root=UUID=8e486299-4bbf-4041-8cae-502b7f7e6c5c ro splash resume=UUID=6c3eb510-861e-4d9a-9009-0c5b62d57105 RelatedPackageVersions: linux-restricted-modules-4.15.0-33-generic N/A linux-backports-modules-4.15.0-33-generic N/A linux-firmware 1.173.1 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 05/25/2018 dmi.bios.vendor: Insyde Corp. dmi.bios.version: V1.07 dmi.board.name: Strongbow_KL dmi.board.vendor: KBL dmi.board.version: V1.07 dmi.chassis.type: 10 dmi.chassis.vendor: Acer dmi.chassis.version: V1.07 dmi.modalias: dmi:bvnInsydeCorp.:bvrV1.07:bd05/25/2018:svnAcer:pnSwiftSF314-54:pvrV1.07:rvnKBL:rnStrongbow_KL:rvrV1.07:cvnAcer:ct10:cvrV1.07: dmi.product.family: Swift 3 dmi.product.name: Swift SF314-54 dmi.product.version: V1.07 dmi.sys.vendor: Acer To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1789018/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp