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 v4.18 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/v4.18-rc1 -- 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/1778021 Title: could not shut down properly. the computer is sounding loudly near the end of shutting down process. Status in linux package in Ubuntu: Incomplete Bug description: my computer could not shutdown properly everytime i shut it down. nearing the end of shutting down process, when the screen turns into black, the computer will make loud noise (strong fan sound) and does not shut down. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: grub (not installed) ProcVersionSignature: Ubuntu 4.4.0-128.154-generic 4.4.131 Uname: Linux 4.4.0-128-generic x86_64 ApportVersion: 2.20.1-0ubuntu2.18 Architecture: amd64 CurrentDesktop: Unity Date: Thu Jun 21 12:32:51 2018 InstallationDate: Installed on 2018-06-11 (9 days ago) InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719) SourcePackage: grub UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1778021/+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
