I've tested Mainline Kernels (Xenial) 4.4.8, 4.4.9, 4.4.10, 4.4.11, 4.4.12 and 4.4.13, all these works flawlessly suspend and resume a lot os times with no errors. Mainline (Xenial) 4.4.8 works but lasts too much time to suspend.
None of the Kernels in Ubuntu Xenial Repository worked. Dell Inspiron 15R (5537): 00:02.0 VGA compatible controller [0300]: Intel Corporation Haswell-ULT Integrated Graphics Controller [8086:0a16] (rev 09) (prog-if 00 [VGA controller]) Subsystem: Dell Haswell-ULT Integrated Graphics Controller [1028:05ea] Flags: bus master, fast devsel, latency 0, IRQ 46 Memory at c0000000 (64-bit, non-prefetchable) [size=4M] Memory at b0000000 (64-bit, prefetchable) [size=256M] I/O ports at 5000 [size=64] Expansion ROM at <unassigned> [disabled] Capabilities: <access denied> Kernel driver in use: i915 Kernel modules: i915 03:00.0 Display controller [0380]: Advanced Micro Devices, Inc. [AMD/ATI] Sun XT [Radeon HD 8670A/8670M/8690M / R5 M330] [1002:6660] (rev ff) (prog-if ff) !!! Unknown header type 7f Kernel driver in use: radeon Kernel modules: radeon ATI Display controler is turned off by using "echo "OFF" > /sys/kernel/debug/vgaswitcheroo/switch" in "/etc/r.local" -- 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/1589139 Title: The system does not suspend on Ubuntu 16.04 Status in linux package in Ubuntu: Incomplete Bug description: When i try to suspend the system the screen turns off, the PC becomes really hot(the fan won't stop working) and i'm not able to do anything after this. The only option is to hard-press the power button to turn it off. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: linux-image-4.4.0-22-generic 4.4.0-22.40 ProcVersionSignature: Ubuntu 4.4.0-22.40-generic 4.4.8 Uname: Linux 4.4.0-22-generic x86_64 NonfreeKernelModules: wl ApportVersion: 2.20.1-0ubuntu2.1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: isgjevori 1922 F.... pulseaudio CurrentDesktop: Unity Date: Sat Jun 4 21:16:29 2016 HibernationDevice: RESUME=UUID=adbe72f6-5838-4cbc-90fa-8976d46f10af InstallationDate: Installed on 2016-04-21 (43 days ago) InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1) MachineType: Hewlett-Packard HP Pavilion dv6 Notebook PC ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-22-generic root=UUID=03a1d74a-7657-4df3-a6cc-b1adc563b16f ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-4.4.0-22-generic N/A linux-backports-modules-4.4.0-22-generic N/A linux-firmware 1.157 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 08/10/2011 dmi.bios.vendor: Hewlett-Packard dmi.bios.version: F.01 dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: 17FD dmi.board.vendor: Hewlett-Packard dmi.board.version: 10.31 dmi.chassis.asset.tag: Chassis Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: Hewlett-Packard dmi.chassis.version: Chassis Version dmi.modalias: dmi:bvnHewlett-Packard:bvrF.01:bd08/10/2011:svnHewlett-Packard:pnHPPaviliondv6NotebookPC:pvr0593110000204610000620100:rvnHewlett-Packard:rn17FD:rvr10.31:cvnHewlett-Packard:ct10:cvrChassisVersion: dmi.product.name: HP Pavilion dv6 Notebook PC dmi.product.version: 0593110000204610000620100 dmi.sys.vendor: Hewlett-Packard To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1589139/+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