Public bug reported:
I have been having repeated trouble on a Lenovo T440p, generally
happening when the screen locks after timeout and I am then unable to
get back into the machine with a frozen screen.
This time around, it appeared that chrome started going insane with a
load average of 25 on a 2 core machine. I tried to kill -9 the
processes with no success. Other programs would run but the load
averaged remained pinned at 25.
In the log there is a kernel oops as well as the kernel claiming it is
tainted without cause.
pam@thinkpad3:~/bug/lockups$ lsb_release -rd
Description: Ubuntu 18.04.5 LTS
Release: 18.04
pam@thinkpad3:~/bug/lockups$ apt-cache policy linux-image-4.15.0-151-generic
linux-image-4.15.0-151-generic:
Installed: 4.15.0-151.157
Candidate: 4.15.0-151.157
Version table:
*** 4.15.0-151.157 500
500 http://us.archive.ubuntu.com/ubuntu bionic-updates/main amd64
Packages
500 http://security.ubuntu.com/ubuntu bionic-security/main amd64
Packages
100 /var/lib/dpkg/status
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-151-generic 4.15.0-151.157
ProcVersionSignature: Ubuntu 4.15.0-151.157-generic 4.15.18
Uname: Linux 4.15.0-151-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.24
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: pam 1687 F.... pulseaudio
/dev/snd/controlC1: pam 1687 F.... pulseaudio
CurrentDesktop: ubuntu:GNOME
Date: Wed Jul 28 22:39:29 2021
HibernationDevice: RESUME=none
InstallationDate: Installed on 2018-12-01 (970 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
MachineType: LENOVO 20AN006DUS
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-151-generic
root=/dev/mapper/ubuntu--vg-root ro vt.handoff=1
RelatedPackageVersions:
linux-restricted-modules-4.15.0-151-generic N/A
linux-backports-modules-4.15.0-151-generic N/A
linux-firmware 1.173.20
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/20/2020
dmi.bios.vendor: LENOVO
dmi.bios.version: GLETA1WW (2.55 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20AN006DUS
dmi.board.vendor: LENOVO
dmi.board.version: 0B98401 WIN
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvrGLETA1WW(2.55):bd04/20/2020:svnLENOVO:pn20AN006DUS:pvrThinkPadT440p:rvnLENOVO:rn20AN006DUS:rvr0B98401WIN:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.family: ThinkPad T440p
dmi.product.name: 20AN006DUS
dmi.product.version: ThinkPad T440p
dmi.sys.vendor: LENOVO
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic
** Attachment added: "kernel log showing oops and going off the rails"
https://bugs.launchpad.net/bugs/1938364/+attachment/5514457/+files/kern.log
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https://bugs.launchpad.net/bugs/1938364
Title:
kernel oops
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