Stuart Bishop, thank you for reporting this and helping make Ubuntu better.
Could you please provide the full computer model as noted on the sticker of the computer itself (not from the Bug Description)? ** Attachment removed: "version from successful 4.4.0-8 boot" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1553450/+attachment/4589000/+files/version.log ** Changed in: linux (Ubuntu) Importance: Critical => Low ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete ** Attachment removed: "lspci-vnvn.log" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1553450/+attachment/4589001/+files/lspci-vnvn.log -- 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/1553450 Title: HP Pavillion Gaming Laptop, kernel 4.4.0-9 and 4.4.0-10 hang on boot Status in linux package in Ubuntu: Incomplete Bug description: The two latest kernel updates for Xenial fail to boot, both hanging at or just after mounting the initial ramdisk. 4.4.0-8 works fine. Both 4.4.0-9 and 4.4.0-10 hang. Hardware is a new HP Pavillion 15 Gaming Laptop, hp pavillion gaming 15-ak008tx. == Regression details == Discovered in version: linux-image-extra-4.4.0-9-generic (16.04) Last known good version: linux-image-4.4.0-8-generic (16.04) --- ApportVersion: 2.20-0ubuntu3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: stub 3565 F.... pulseaudio CurrentDesktop: Unity DistroRelease: Ubuntu 16.04 HibernationDevice: RESUME=UUID=dc964c84-fa1f-4004-8a4c-c9626c524a43 InstallationDate: Installed on 2016-02-26 (7 days ago) InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160224) Lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 004: ID 8087:0a2a Intel Corp. Bus 001 Device 003: ID 0bda:57c4 Realtek Semiconductor Corp. Bus 001 Device 002: ID 1bcf:0005 Sunplus Innovation Technology Inc. Optical Mouse Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: HP HP Pavilion Gaming Notebook NonfreeKernelModules: zfs zunicode zcommon znvpair zavl Package: linux (not installed) ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-8-generic.efi.signed root=/dev/mapper/ubuntu--vg-root ro noprompt persistent quiet splash ProcVersionSignature: Ubuntu 4.4.0-8.23-generic 4.4.2 RelatedPackageVersions: linux-restricted-modules-4.4.0-8-generic N/A linux-backports-modules-4.4.0-8-generic N/A linux-firmware 1.156 Tags: xenial Uname: Linux 4.4.0-8-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 09/22/2015 dmi.bios.vendor: Insyde dmi.bios.version: F.54 dmi.board.asset.tag: Type2 - Board Asset Tag dmi.board.name: 80A9 dmi.board.vendor: HP dmi.board.version: 91.18 dmi.chassis.type: 10 dmi.chassis.vendor: HP dmi.chassis.version: Chassis Version dmi.modalias: dmi:bvnInsyde:bvrF.54:bd09/22/2015:svnHP:pnHPPavilionGamingNotebook:pvrType1ProductConfigId:rvnHP:rn80A9:rvr91.18:cvnHP:ct10:cvrChassisVersion: dmi.product.name: HP Pavilion Gaming Notebook dmi.product.version: Type1ProductConfigId dmi.sys.vendor: HP To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1553450/+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