I did not notice this problem while using ubuntu 16.04.1 with - I believe - linux 4.4.3* (cannot remember exactly which release, sorry). I should be able to test the latest upstream kernel and see if that fixes the issue. I also wanted to add that I have found what I believe is a "trigger" for the issue, as I experienced it while on battery power today. I am fairly certain that the problem occurs when AC power is added or removed while my laptop is in hybrid-sleep mode (i.e. if I plug it in or unplug it while lid is closed). Not sure if that is of any help but I will still test the mainline and attempt to trigger - or not trigger - the problem so that I can update this report as soon as possible. Note, however, that if I am unable to trigger the issue, I will update with a comment but still wait a day or two to add a tag and change bug status. This is my first bug report so if there is a preferred protocol, like updating as soon as I think it's fixed and then changing later if necessary, please let me know.
Thanks, Steven -- 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/1649048 Title: "Power off" required for resume from hybrid-sleep on AC power Status in linux package in Ubuntu: Incomplete Bug description: Due to issues with "waking from suspend", I have modified a few entries in /etc/systemd/logind.conf to use hybrid-sleep instead of suspend, namely 'HandleSuspendKey=hybrid-sleep', 'HandleLidSwitch=hybrid-sleep' and 'HandleLidSwitchDocked=hybrid-sleep'. On a few occasions now, I have closed my laptop lid while it is plugged it and when I return to it later, it does not resume on lifting the lid. The disk spins up and the fan runs as if the laptop was resuming but I am unable to do anything other than hold the power button down until it shuts down - much as I had to when I was having problems with suspend. When I hit the power button again and select the entry for Ubuntu in grub, the laptop boots to the login screen normally. When I log in, everything is just as it was when I originally closed the laptop's lid - basically "resuming" the way I had hoped. I do not believe that this is the intended behavior as I have had my computer resume from hybrid-sleep without powering it off in 16 .04 and in 16.10 (I have not, that I know of, experienced this problem while on battery power). In case it is relevant, the current values of 'Suspend when inactive for' and 'When the lid closes' in Settings > Power are "Don't suspend" (for battery and plugged in) and "Suspend" (for battery and plugged in), respectively. I will attach the output from 'cat /proc/version_signature' and 'lspci -vnvn' but I would like to add that 'sudo lspci -vnvn' sent 'pcilib: sysfs_read_vpd: read failed: Input/output error' to stderr, which was not redirected to the log file. ProblemType: Bug DistroRelease: Ubuntu 16.10 Package: linux-image-4.8.0-30-generic 4.8.0-30.32 ProcVersionSignature: Ubuntu 4.8.0-30.32-generic 4.8.6 Uname: Linux 4.8.0-30-generic x86_64 ApportVersion: 2.20.3-0ubuntu8 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: steven 4004 F.... pulseaudio /dev/snd/controlC0: steven 4004 F.... pulseaudio CurrentDesktop: Unity Date: Sat Dec 10 22:06:19 2016 HibernationDevice: RESUME=UUID=891e7a47-9f8c-4fc9-9fe3-fe5c88ef2147 InstallationDate: Installed on 2016-11-23 (17 days ago) InstallationMedia: Ubuntu 16.10 "Yakkety Yak" - Release amd64 (20161012.2) MachineType: LENOVO 20347 ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.8.0-30-generic.efi.signed root=UUID=b40d7383-45c3-4885-a1df-0e534eb44fef ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-4.8.0-30-generic N/A linux-backports-modules-4.8.0-30-generic N/A linux-firmware 1.161 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 03/24/2014 dmi.bios.vendor: LENOVO dmi.bios.version: 99CN21WW(V1.04) dmi.board.asset.tag: Std dmi.board.name: Lenovo Y40-70 dmi.board.vendor: LENOVO dmi.board.version: 31900058Std dmi.chassis.asset.tag: Std dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Lenovo Y40-70 dmi.modalias: dmi:bvnLENOVO:bvr99CN21WW(V1.04):bd03/24/2014:svnLENOVO:pn20347:pvrLenovoY40-70:rvnLENOVO:rnLenovoY40-70:rvr31900058Std:cvnLENOVO:ct10:cvrLenovoY40-70: dmi.product.name: 20347 dmi.product.version: Lenovo Y40-70 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1649048/+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
