Did this issue start happening after an update/upgrade? Was there a prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.8 kernel[0]. If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'. If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'. Once testing of the upstream kernel is complete, please mark this bug as "Confirmed". Thanks in advance. [0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.8-rc5 ** Changed in: linux (Ubuntu) Importance: Undecided => Medium -- 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/1620733 Title: Xubuntu 16.04 on HP Compaq nx6325 freezes on Suspend Status in linux package in Ubuntu: Incomplete Bug description: On suspend mouse movement stops. andymc@mvac21:~$ lsb_release -rd Description: Ubuntu 16.04.1 LTS Release: 16.04 Suspend freezes in Kernel linux-headers-4.4.0-36 and linux- headers-4.6.0-040600 Only way out is hold down power button for about 6 seconds. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: xfce4-panel 4.12.0-3ubuntu2 Uname: Linux 4.6.0-040600-generic i686 NonfreeKernelModules: wl ApportVersion: 2.20.1-0ubuntu2.1 Architecture: i386 CurrentDesktop: XFCE Date: Tue Sep 6 17:55:49 2016 ExecutablePath: /usr/bin/xfce4-panel InstallationDate: Installed on 2016-08-16 (21 days ago) InstallationMedia: Xubuntu 16.04 LTS "Xenial Xerus" - Release i386 (20160420.1) ProcEnviron: LANGUAGE=en_GB:en PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_GB.UTF-8 SHELL=/bin/bash SourcePackage: xfce4-panel UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1620733/+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