I have since managed to work out that my laptop had developed a hardware
fault, so I am 99% sure that those kernel lockups are due to that fault.
The laptop has now been decomissioned, so there is not much point
chasing this down further. This bug report can be closed, thanks.
** Changed in: linux (Ubuntu)
Status: Incomplete => Invalid
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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/1826800
Title:
Linux kernel hard lockup
Status in linux package in Ubuntu:
Invalid
Bug description:
I don't have a lot of information to dd, but running kernel
4.15.0-48-generic was leading to frequent hard lockups. Rolling back
to 4.15.0-47-generic has clearly resolved my problem.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-48-generic 4.15.0-48.51
ProcVersionSignature: Ubuntu 4.15.0-47.50-generic 4.15.18
Uname: Linux 4.15.0-47-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.6
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/pcmC0D0p: bje 3225 F...m pulseaudio
/dev/snd/controlC0: bje 3225 F.... pulseaudio
CurrentDesktop: XFCE
Date: Mon Apr 29 11:37:23 2019
EcryptfsInUse: Yes
HibernationDevice: RESUME=UUID=db7a22fe-fdc0-4ff9-a8bd-9faae202574f
InstallationDate: Installed on 2016-06-28 (1035 days ago)
InstallationMedia: Xubuntu 16.04 LTS "Xenial Xerus" - Release amd64
(20160420.1)
MachineType: LENOVO 2306CTO
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-47-generic
root=/dev/mapper/xubuntu--vg-root ro quiet splash vt.handoff=1
RelatedPackageVersions:
linux-restricted-modules-4.15.0-47-generic N/A
linux-backports-modules-4.15.0-47-generic N/A
linux-firmware 1.173.5
SourcePackage: linux
UpgradeStatus: Upgraded to bionic on 2018-08-02 (269 days ago)
dmi.bios.date: 02/22/2013
dmi.bios.vendor: LENOVO
dmi.bios.version: G2ET92WW (2.52 )
dmi.board.asset.tag: Not Available
dmi.board.name: 2306CTO
dmi.board.vendor: LENOVO
dmi.board.version: Win8 STD DPK TPG
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvrG2ET92WW(2.52):bd02/22/2013:svnLENOVO:pn2306CTO:pvrThinkPadX230:rvnLENOVO:rn2306CTO:rvrWin8STDDPKTPG:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.family: ThinkPad X230
dmi.product.name: 2306CTO
dmi.product.version: ThinkPad X230
dmi.sys.vendor: LENOVO
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