@ubuntu-kernel-bot uploaded logs as requested Since I can't boot with kernel 4.15, these logs are from my running system with 4.13.
I've just upgraded virtualbox-guest-dkms-hwe, virtualbox-guest-utils-hwe and virtualbox-guest-x11-hwe from version 5.1.34-dfsg-0ubuntu1.16.04.2 to 5.1.38-dfsg-0ubuntu1.16.04.1, but the problem still persists: Setting up virtualbox-guest-utils-hwe (5.1.38-dfsg-0ubuntu1.16.04.1) ... Installing new version of config file /etc/init.d/virtualbox-guest-utils-hwe ... Setting up virtualbox-guest-x11-hwe (5.1.38-dfsg-0ubuntu1.16.04.1) ... Setting up virtualbox-guest-dkms-hwe (5.1.38-dfsg-0ubuntu1.16.04.1) ... Loading new virtualbox-guest-5.1.38 DKMS files... Building for 4.13.0-45-generic and 4.15.0-29-generic Building initial module for 4.13.0-45-generic Done. vboxguest: Running module version sanity check. - Original module - Installation - Installing to /lib/modules/4.13.0-45-generic/updates/dkms/ vboxsf.ko: Running module version sanity check. - Original module - Installation - Installing to /lib/modules/4.13.0-45-generic/updates/dkms/ vboxvideo.ko: Running module version sanity check. - Original module - Installation - Installing to /lib/modules/4.13.0-45-generic/updates/dkms/ depmod.... DKMS: install completed. Building initial module for 4.15.0-29-generic Done. vboxguest: Running module version sanity check. Error! Module version 5.1.38_Ubuntu for vboxguest.ko is not newer than what is already found in kernel 4.15.0-29-generic (5.2.8_KernelUbuntu). You may override by specifying --force. vboxsf.ko: Running module version sanity check. Error! Module version 5.1.38_Ubuntu for vboxsf.ko is not newer than what is already found in kernel 4.15.0-29-generic (5.2.8_KernelUbuntu). You may override by specifying --force. vboxvideo.ko: Running module version sanity check. - Original module - Installation - Installing to /lib/modules/4.15.0-29-generic/updates/dkms/ depmod.... DKMS: install completed. ** 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/1783267 Title: linux-modules-extra breaks virtualbox guest modules Status in linux package in Ubuntu: Confirmed Status in virtualbox-hwe package in Ubuntu: New Bug description: linux-modules-extra-4.15.0-29-generic installs virtualbox guest modules that are newer than what virtualbox-guest-dkms-hwe provides (5.2.8 vs 5.1.34): $ modinfo /lib/modules/4.15.0-29-generic/kernel/drivers/staging/vboxvideo/vboxvideo.ko filename: /lib/modules/4.15.0-29-generic/kernel/drivers/staging/vboxvideo/vboxvideo.ko license: GPL and additional rights description: Oracle VM VirtualBox Graphics Card author: Oracle Corporation srcversion: 689EDF1E50DE15779B4F930 alias: pci:v000080EEd0000BEEFsv*sd*bc*sc*i* depends: drm,drm_kms_helper,ttm staging: Y retpoline: Y intree: Y name: vboxvideo vermagic: 4.15.0-29-generic SMP mod_unload parm: modeset:Disable/Enable modesetting (int) $ modinfo /lib/modules/4.15.0-29-generic/kernel/ubuntu/vbox/vboxsf/vboxsf.ko filename: /lib/modules/4.15.0-29-generic/kernel/ubuntu/vbox/vboxsf/vboxsf.ko version: 5.2.8_KernelUbuntu r120774 alias: fs-vboxsf license: GPL author: Oracle Corporation description: Oracle VM VirtualBox VFS Module for Host File System Access srcversion: AF89497125574B5225F9B6A depends: vboxguest retpoline: Y intree: Y name: vboxsf vermagic: 4.15.0-29-generic SMP mod_unload parm: follow_symlinks:Let host resolve symlinks rather than showing them (int) $ modinfo /lib/modules/4.15.0-29-generic/kernel/ubuntu/vbox/vboxguest/vboxguest.ko filename: /lib/modules/4.15.0-29-generic/kernel/ubuntu/vbox/vboxguest/vboxguest.ko version: 5.2.8_KernelUbuntu r120774 license: GPL description: Oracle VM VirtualBox Guest Additions for Linux Module author: Oracle Corporation srcversion: F2E5886E3B0544500D404A1 alias: pci:v000080EEd0000CAFEsv00000000sd00000000bc*sc*i* depends: retpoline: Y intree: Y name: vboxguest vermagic: 4.15.0-29-generic SMP mod_unload Thus installation with dkms fails (while attempting `apt-get install --reinstall virtualbox-guest-dkms-hwe`): Building initial module for 4.15.0-29-generic Done. vboxguest: Running module version sanity check. Error! Module version 5.1.34_Ubuntu for vboxguest.ko is not newer than what is already found in kernel 4.15.0-29-generic (5.2.8_KernelUbuntu). You may override by specifying --force. vboxsf.ko: Running module version sanity check. Error! Module version 5.1.34_Ubuntu for vboxsf.ko is not newer than what is already found in kernel 4.15.0-29-generic (5.2.8_KernelUbuntu). You may override by specifying --force. vboxvideo.ko: Running module version sanity check. - Original module - Installation - Installing to /lib/modules/4.15.0-29-generic/updates/dkms/ depmod.... DKMS: install completed. My system does not start correctly with kernel 4.15 and I had to fall back to 4.13 which has working virtualbox guest modules. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: linux-modules-extra-4.15.0-29-generic 4.15.0-29.31~16.04.1 ProcVersionSignature: Ubuntu 4.13.0-45.50~16.04.1-generic 4.13.16 Uname: Linux 4.13.0-45-generic x86_64 ApportVersion: 2.20.1-0ubuntu2.18 Architecture: amd64 CurrentDesktop: MATE Date: Tue Jul 24 08:33:57 2018 InstallationDate: Installed on 2015-02-04 (1265 days ago) InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2) SourcePackage: linux-hwe UpgradeStatus: Upgraded to xenial on 2016-08-02 (720 days ago) --- ApportVersion: 2.20.1-0ubuntu2.18 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: dyslimet 3006 F.... pulseaudio CurrentDesktop: MATE DistroRelease: Ubuntu 16.04 HibernationDevice: RESUME=UUID=c045d946-13ab-48d3-afa0-2496f98eb0a4 InstallationDate: Installed on 2015-02-04 (1266 days ago) InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2) IwConfig: lo no wireless extensions. eth0 no wireless extensions. docker0 no wireless extensions. Lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 003: ID 80ee:0022 VirtualBox Bus 001 Device 002: ID 80ee:0021 VirtualBox USB Tablet Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: innotek GmbH VirtualBox Package: virtualbox-hwe ProcFB: 0 vboxdrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.13.0-45-generic root=UUID=552e699c-33c9-440e-b026-637f24f6a1bb ro verbose nosplash ProcVersionSignature: Ubuntu 4.13.0-45.50~16.04.1-generic 4.13.16 RelatedPackageVersions: linux-restricted-modules-4.13.0-45-generic N/A linux-backports-modules-4.13.0-45-generic N/A linux-firmware 1.157.20 RfKill: Tags: xenial Uname: Linux 4.13.0-45-generic x86_64 UpgradeStatus: Upgraded to xenial on 2016-08-02 (721 days ago) UserGroups: adm cdrom debarchiver dip docker lpadmin netdev plugdev sambashare sudo users _MarkForUpload: True dmi.bios.date: 12/01/2006 dmi.bios.vendor: innotek GmbH dmi.bios.version: VirtualBox dmi.board.name: VirtualBox dmi.board.vendor: Oracle Corporation dmi.board.version: 1.2 dmi.chassis.type: 1 dmi.chassis.vendor: Oracle Corporation dmi.modalias: dmi:bvninnotekGmbH:bvrVirtualBox:bd12/01/2006:svninnotekGmbH:pnVirtualBox:pvr1.2:rvnOracleCorporation:rnVirtualBox:rvr1.2:cvnOracleCorporation:ct1:cvr: dmi.product.family: Virtual Machine dmi.product.name: VirtualBox dmi.product.version: 1.2 dmi.sys.vendor: innotek GmbH To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1783267/+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