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
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https://bugs.launchpad.net/bugs/1774375
Title:
Kernel panic at boot with 4.15.0-20-generic
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