Public bug reported:
I had to roll back - since the kernel was not working on these number of issues:
* could not connect to ThunderBolt dock (Dell TB16) and external monitor - Both
internal and external screen went totally black. And nothing I did (except of
hard reboot) could bring the screen back on.
* mouse and keyboard felt "sluggish" - mouse did not move smoothly, and
keyboard presses did not appear to show up immediately. (A very slight delay).
So I rolled back to previous kernel to be able to continue working - and
they I thought of reporting this as a bug. Thus the kernel I am
reporting is not installed in system any more. Only change was to
downgrade kernel to previous ubuntu kernel.
Important: This bug report is regarding kernel version: 4.15.0.44.46
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-43-generic 4.15.0-43.46
ProcVersionSignature: Ubuntu 4.15.0-43.46-generic 4.15.18
Uname: Linux 4.15.0-43-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.5
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: runar 3116 F.... pulseaudio
CurrentDesktop: ubuntu:GNOME
Date: Tue Jan 29 09:08:45 2019
InstallationDate: Installed on 2018-11-10 (79 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
MachineType: Dell Inc. XPS 15 9570
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-43-generic
root=UUID=72d55fb6-a868-4b6a-ab2f-492d9eb7fc15 ro quiet splash quiet
acpi_rev_override=1 acpi_osi=Linux scsi_mod.use_blk_mq=1 nouveau.modeset=0
nouveau.runpm=0 mem_sleep_default=deep vt.handoff=1
RelatedPackageVersions:
linux-restricted-modules-4.15.0-43-generic N/A
linux-backports-modules-4.15.0-43-generic N/A
linux-firmware 1.173.3
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/25/2018
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.7.0
dmi.board.name: 07GHH0
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 10
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvr1.7.0:bd12/25/2018:svnDellInc.:pnXPS159570:pvr:rvnDellInc.:rn07GHH0:rvrA00:cvnDellInc.:ct10:cvr:
dmi.product.family: XPS
dmi.product.name: XPS 15 9570
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/1813729
Title:
Regression in kernel 4.15.0.44.46
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