I'm not able to reproduce this bug since a kernel update that came in the following 2 or 3 days after the suspend hiccups. There is no problem anymore putting my PC to standby and waking it up. Everything is running smooth.
But thanks for pointing out that my BIOS is outdated. I wasn't aware of this fact, so I will take a look at the BIOS update guide since I've never updated the BIOS in Ubuntu. -- 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/1547924 Title: NMI watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [systemd- timesyn:504] Status in linux package in Ubuntu: Incomplete Bug description: Tried to put my PC in standby and when waking it up it didn't respond. ProblemType: KernelOops DistroRelease: Ubuntu 16.04 Package: linux-image-4.4.0-6-generic 4.4.0-6.21 [modified: boot/vmlinuz-4.4.0-6-generic] ProcVersionSignature: Ubuntu 4.4.0-6.21-generic 4.4.1 Uname: Linux 4.4.0-6-generic x86_64 NonfreeKernelModules: nvidia_uvm nvidia Annotation: Your system might become unstable now and might need to be restarted. ApportVersion: 2.20-0ubuntu3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: niclas 1917 F.... pulseaudio /dev/snd/controlC0: niclas 1917 F.... pulseaudio Date: Sat Feb 20 18:30:25 2016 Failure: oops HibernationDevice: RESUME=UUID=79ba89ae-7877-4af1-9b2e-e463a13950c2 InstallationDate: Installed on 2016-02-20 (0 days ago) InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160219) IwConfig: enp4s0 no wireless extensions. lo no wireless extensions. MachineType: System manufacturer System Product Name ProcFB: 0 EFI VGA ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-6-generic.efi.signed root=UUID=f3e8e5c0-08e5-4248-9207-085ee1b6c18e ro quiet splash vt.handoff=7 PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon. RelatedPackageVersions: kerneloops-daemon 0.12+git20090217-3ubuntu9 RfKill: SourcePackage: linux Title: NMI watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [systemd-timesyn:504] UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 05/10/2011 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 0602 dmi.board.asset.tag: To be filled by O.E.M. dmi.board.name: P8H61-M PRO dmi.board.vendor: ASUSTeK Computer INC. dmi.board.version: Rev x.0x dmi.chassis.asset.tag: Asset-1234567890 dmi.chassis.type: 3 dmi.chassis.vendor: Chassis Manufacture dmi.chassis.version: Chassis Version dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0602:bd05/10/2011:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP8H61-MPRO:rvrRevx.0x:cvnChassisManufacture:ct3:cvrChassisVersion: dmi.product.name: System Product Name dmi.product.version: System Version dmi.sys.vendor: System manufacturer To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1547924/+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
