I installed 4.4.120-0404120-generic. Is this the version you intended? This fixed my problem. Thank you!
Added kernel-fixed-upstream tag and changed status to Confirmed as requested. Advice requested: At this point, should I just keep running this kernel until the regular release process catches up to this version? ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- 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/1753804 Title: versions 4.4.0-108 and up hang on reboot; HP 8300 Elite CMT Status in linux package in Ubuntu: Confirmed Bug description: Shutdown works fine. On Reboot, the system hangs. This is a problem on the current kernel (18.104.22.168) and appears to have been introduced in 22.214.171.124, 107 or 108. I make this assertion because I have version 126.96.36.199 and version 188.8.131.52 available on my computer. versions 105 and below work, versions 108 and up do not work. I will upload a screen shot of the trace, since it occurs after drives are dismounted. I started by making sure I have the most current firmware (BIOS) for this computer. It is on the most recent version. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: linux-image-4.4.0-116-generic 4.4.0-116.140 ProcVersionSignature: Ubuntu 4.4.0-116.140-generic 4.4.98 Uname: Linux 4.4.0-116-generic x86_64 ApportVersion: 2.20.1-0ubuntu2.15 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: nickf 2552 F.... pulseaudio CurrentDesktop: Unity Date: Tue Mar 6 12:52:16 2018 HibernationDevice: RESUME=UUID=8f1f8ead-e0d0-4468-b7fb-1328c0495e93 InstallationDate: Installed on 2012-09-27 (1986 days ago) InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120823.1) IwConfig: lo no wireless extensions. eth0 no wireless extensions. JournalErrors: Error: command ['journalctl', '-b', '--priority=warning', '--lines=1000'] failed with exit code 1: Hint: You are currently not seeing messages from other users and the system. Users in the 'systemd-journal' group can see all messages. Pass -q to turn off this notice. No journal files were opened due to insufficient permissions. MachineType: Hewlett-Packard HP Compaq Elite 8300 CMT ProcFB: 0 radeondrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-116-generic root=UUID=9766c23d-8567-48c0-a1eb-b01e0eed0170 ro acpi=force RelatedPackageVersions: linux-restricted-modules-4.4.0-116-generic N/A linux-backports-modules-4.4.0-116-generic N/A linux-firmware 1.157.17 RfKill: SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) WifiSyslog: dmi.bios.date: 10/05/2016 dmi.bios.vendor: Hewlett-Packard dmi.bios.version: K01 v03.04 dmi.board.asset.tag: 2UA23822YR dmi.board.name: 3396 dmi.board.vendor: Hewlett-Packard dmi.chassis.asset.tag: 2UA23822YR dmi.chassis.type: 3 dmi.chassis.vendor: Hewlett-Packard dmi.modalias: dmi:bvnHewlett-Packard:bvrK01v03.04:bd10/05/2016:svnHewlett-Packard:pnHPCompaqElite8300CMT:pvr:rvnHewlett-Packard:rn3396:rvr:cvnHewlett-Packard:ct3:cvr: dmi.product.name: HP Compaq Elite 8300 CMT dmi.sys.vendor: Hewlett-Packard To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1753804/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : email@example.com Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp