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 v4.7 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/v4.7 ** Changed in: linux (Ubuntu) Importance: Undecided => Medium ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete -- 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/1606384 Title: Ubuntu does not boot with systemd Status in linux package in Ubuntu: Incomplete Bug description: Ubuntu does not boot with systemd, it boots with upstart choice in grub. Workaround - alt+f1 during start and then start lightdm manually. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: linux-image-4.4.0-31-generic 4.4.0-31.50 ProcVersionSignature: Ubuntu 4.4.0-31.50-generic 4.4.13 Uname: Linux 4.4.0-31-generic x86_64 NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia ApportVersion: 2.20.1-0ubuntu2.1 Architecture: amd64 AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/hwC2D0', '/dev/snd/pcmC2D8p', '/dev/snd/pcmC2D7p', '/dev/snd/pcmC2D3p', '/dev/snd/controlC2', '/dev/snd/by-path', '/dev/snd/midiC0D3', '/dev/snd/midiC0D2', '/dev/snd/hwC0D2', '/dev/snd/hwC0D0', '/dev/snd/midiC0D1', '/dev/snd/midiC0D0', '/dev/snd/pcmC0D3p', '/dev/snd/pcmC0D2c', '/dev/snd/pcmC0D2p', '/dev/snd/pcmC0D1c', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/controlC0', '/dev/snd/hwC1D0', '/dev/snd/pcmC1D2c', '/dev/snd/pcmC1D1p', '/dev/snd/pcmC1D0c', '/dev/snd/pcmC1D0p', '/dev/snd/controlC1', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: CurrentDesktop: XFCE Date: Mon Jul 25 23:52:19 2016 HibernationDevice: RESUME=UUID=7b4a2bc3-8fd2-4684-b322-2c990980a5ac InstallationDate: Installed on 2015-12-13 (225 days ago) InstallationMedia: Lubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021) MachineType: MSI MS-7693 ProcEnviron: LANGUAGE=cs_CZ PATH=(custom, no user) LANG=cs_CZ.UTF-8 SHELL=/bin/bash ProcFB: 0 EFI VGA ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-31-generic.efi.signed root=UUID=520db00b-7805-4f04-8c0c-31acfe536389 ro iommu=soft quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-4.4.0-31-generic N/A linux-backports-modules-4.4.0-31-generic N/A linux-firmware 1.157.2 RfKill: 0: phy0: Wireless LAN Soft blocked: no Hard blocked: no SourcePackage: linux UpgradeStatus: Upgraded to xenial on 2016-03-21 (126 days ago) dmi.bios.date: 12/21/2015 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: V22.4 dmi.board.asset.tag: To be filled by O.E.M. dmi.board.name: 970 GAMING (MS-7693) dmi.board.vendor: MSI dmi.board.version: 4.0 dmi.chassis.asset.tag: To Be Filled By O.E.M. dmi.chassis.type: 3 dmi.chassis.vendor: MSI dmi.chassis.version: 4.0 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrV22.4:bd12/21/2015:svnMSI:pnMS-7693:pvr4.0:rvnMSI:rn970GAMING(MS-7693):rvr4.0:cvnMSI:ct3:cvr4.0: dmi.product.name: MS-7693 dmi.product.version: 4.0 dmi.sys.vendor: MSI To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1606384/+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
