This issue appears to be an upstream bug, since you tested the latest upstream kernel. Would it be possible for you to open an upstream bug report[0]? That will allow the upstream Developers to examine the issue, and may provide a quicker resolution to the bug.
Please follow the instructions on the wiki page[0]. The first step is to email the appropriate mailing list. If no response is received, then a bug may be opened on bugzilla.kernel.org. Once this bug is reported upstream, please add the tag: 'kernel-bug- reported-upstream'. [0] https://wiki.ubuntu.com/Bugs/Upstream/kernel -- 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/1412257 Title: Hard freeze upon resuming from hibernate and logging in Status in linux package in Ubuntu: Confirmed Bug description: After I resume from hibernate and log in, the desktop freezes completely. Even using alt+sysreq+b does not reboot it. This started happening recently. ProblemType: Bug DistroRelease: Ubuntu 14.10 Package: linux-image-3.16.0-29-generic 3.16.0-29.39 ProcVersionSignature: Ubuntu 3.16.0-29.39-generic 3.16.7-ckt2 Uname: Linux 3.16.0-29-generic x86_64 ApportVersion: 2.14.7-0ubuntu8 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: vadi 2981 F.... pulseaudio /dev/snd/controlC0: vadi 2981 F.... pulseaudio CRDA: country AU: DFS-UNSET (2402 - 2482 @ 40), (N/A, 20) (5170 - 5250 @ 40), (3, 23) (5250 - 5330 @ 40), (3, 23), DFS (5735 - 5835 @ 40), (3, 30) CurrentDesktop: Unity Date: Mon Jan 19 08:05:47 2015 HibernationDevice: RESUME=UUID=745d185e-0cf7-47d5-8900-9f89f21b1af8 InstallationDate: Installed on 2014-06-26 (205 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417) MachineType: Hewlett-Packard HP ZBook 14 ProcFB: 0 inteldrmfb 1 radeondrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.16.0-29-generic root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.16.0-29-generic N/A linux-backports-modules-3.16.0-29-generic N/A linux-firmware 1.138.1 SourcePackage: linux UpgradeStatus: Upgraded to utopic on 2014-10-27 (83 days ago) dmi.bios.date: 04/29/2014 dmi.bios.vendor: Hewlett-Packard dmi.bios.version: L71 Ver. 01.11 dmi.board.name: 198F dmi.board.vendor: Hewlett-Packard dmi.board.version: KBC Version 15.54 dmi.chassis.asset.tag: CNU424B3ZZ dmi.chassis.type: 10 dmi.chassis.vendor: Hewlett-Packard dmi.modalias: dmi:bvnHewlett-Packard:bvrL71Ver.01.11:bd04/29/2014:svnHewlett-Packard:pnHPZBook14:pvrA3009DD10303:rvnHewlett-Packard:rn198F:rvrKBCVersion15.54:cvnHewlett-Packard:ct10:cvr: dmi.product.name: HP ZBook 14 dmi.product.version: A3009DD10303 dmi.sys.vendor: Hewlett-Packard To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1412257/+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