Public bug reported: Kernel panic on boot with 4.15.0-20-generic.
Call trace: dump_stack +0x63/0x8b panic+0xe4/0x244 mount_block_root+0x1f6/0x2da .... kernel offset: 0x3e00000 end kernel panic - not syncing: VFS unable to mount root on unknown block (0,0) ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: linux-image-generic 4.15.0.22.23 ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17 Uname: Linux 4.15.0-20-generic x86_64 NonfreeKernelModules: kpatch_livepatch_Ubuntu_4_15_0_20_21_generic_39 wl nvidia_modeset nvidia ApportVersion: 2.20.9-0ubuntu7.1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: danr 2384 F.... pulseaudio /dev/snd/controlC0: danr 2384 F.... pulseaudio CurrentDesktop: X-Cinnamon Date: Thu May 31 11:01:48 2018 HibernationDevice: RESUME=UUID=45b1ba4d-ef5d-4027-b18b-9ca310c4fb2a InstallationDate: Installed on 2018-03-24 (67 days ago) InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180321) MachineType: Dell Inc. XPS 15 9530 ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-20-generic root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=1 RelatedPackageVersions: linux-restricted-modules-4.15.0-20-generic N/A linux-backports-modules-4.15.0-20-generic N/A linux-firmware 1.173.1 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 01/08/2015 dmi.bios.vendor: Dell Inc. dmi.bios.version: A08 dmi.board.name: XPS 15 9530 dmi.board.vendor: Dell Inc. dmi.board.version: A08 dmi.chassis.type: 8 dmi.chassis.vendor: Dell Inc. dmi.chassis.version: Not Specified dmi.modalias: dmi:bvnDellInc.:bvrA08:bd01/08/2015:svnDellInc.:pnXPS159530:pvrA08:rvnDellInc.:rnXPS159530:rvrA08:cvnDellInc.:ct8:cvrNotSpecified: dmi.product.name: XPS 15 9530 dmi.product.version: A08 dmi.sys.vendor: Dell Inc. ** Affects: linux (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug bionic -- 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/1774375 Title: Kernel panic at boot with 4.15.0-20-generic Status in linux package in Ubuntu: New Bug description: Kernel panic on boot with 4.15.0-20-generic. Call trace: dump_stack +0x63/0x8b panic+0xe4/0x244 mount_block_root+0x1f6/0x2da .... kernel offset: 0x3e00000 end kernel panic - not syncing: VFS unable to mount root on unknown block (0,0) ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: linux-image-generic 4.15.0.22.23 ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17 Uname: Linux 4.15.0-20-generic x86_64 NonfreeKernelModules: kpatch_livepatch_Ubuntu_4_15_0_20_21_generic_39 wl nvidia_modeset nvidia ApportVersion: 2.20.9-0ubuntu7.1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: danr 2384 F.... pulseaudio /dev/snd/controlC0: danr 2384 F.... pulseaudio CurrentDesktop: X-Cinnamon Date: Thu May 31 11:01:48 2018 HibernationDevice: RESUME=UUID=45b1ba4d-ef5d-4027-b18b-9ca310c4fb2a InstallationDate: Installed on 2018-03-24 (67 days ago) InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180321) MachineType: Dell Inc. XPS 15 9530 ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-20-generic root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=1 RelatedPackageVersions: linux-restricted-modules-4.15.0-20-generic N/A linux-backports-modules-4.15.0-20-generic N/A linux-firmware 1.173.1 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 01/08/2015 dmi.bios.vendor: Dell Inc. dmi.bios.version: A08 dmi.board.name: XPS 15 9530 dmi.board.vendor: Dell Inc. dmi.board.version: A08 dmi.chassis.type: 8 dmi.chassis.vendor: Dell Inc. dmi.chassis.version: Not Specified dmi.modalias: dmi:bvnDellInc.:bvrA08:bd01/08/2015:svnDellInc.:pnXPS159530:pvrA08:rvnDellInc.:rnXPS159530:rvrA08:cvnDellInc.:ct8:cvrNotSpecified: dmi.product.name: XPS 15 9530 dmi.product.version: A08 dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1774375/+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