I tested Kernel 4.9.0-rc4 with more or less success, making it difficult to determine precisely if it fixed this bug in particular. Among the many problems encountered, however, none concerned hibernation.
Thanks for your help. ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- 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/1633705 Title: Hibernation fails once in five Status in linux package in Ubuntu: Confirmed Bug description: About every five hibernations, hardware keeps running and must be hard rebooted. syslog shows: systemd-sleep[15510]: /lib/systemd/system-sleep/wpasupplicant failed with error code 255. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: linux-image-4.4.0-43-generic 4.4.0-43.63 ProcVersionSignature: Ubuntu 4.4.0-43.63-generic 4.4.21 Uname: Linux 4.4.0-43-generic x86_64 ApportVersion: 2.20.1-0ubuntu2.1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: lsd 1891 F.... pulseaudio CurrentDesktop: Unity Date: Sat Oct 15 13:05:15 2016 HibernationDevice: RESUME=UUID=57990468-bc20-4ec0-a7de-8849c1c3d5dd InstallationDate: Installed on 2016-07-16 (90 days ago) InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1) IwConfig: enp2s0 no wireless extensions. lo no wireless extensions. MachineType: Gigabyte Technology Co., Ltd. H61M-S2P-B3 ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-43-generic root=UUID=4b738246-b2fc-4d81-9831-65b2913d9169 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-4.4.0-43-generic N/A linux-backports-modules-4.4.0-43-generic N/A linux-firmware 1.157.4 RfKill: SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 08/04/2011 dmi.bios.vendor: Award Software International, Inc. dmi.bios.version: F2 dmi.board.name: H61M-S2P-B3 dmi.board.vendor: Gigabyte Technology Co., Ltd. dmi.board.version: x.x dmi.chassis.type: 3 dmi.chassis.vendor: Gigabyte Technology Co., Ltd. dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF2:bd08/04/2011:svnGigabyteTechnologyCo.,Ltd.:pnH61M-S2P-B3:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnH61M-S2P-B3:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr: dmi.product.name: H61M-S2P-B3 dmi.sys.vendor: Gigabyte Technology Co., Ltd. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1633705/+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