Public bug reported:
Random freeze, sounds continue working like play music, and graphics
stop working and cpu fan enter em full mode.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.4.0-52-generic 5.4.0-52.57
ProcVersionSignature: Ubuntu 5.4.0-52.57-generic 5.4.65
Uname: Linux 5.4.0-52-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.10
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: bd 3277 F.... pulseaudio
/dev/snd/controlC0: bd 3277 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Wed Oct 21 11:17:17 2020
InstallationDate: Installed on 2018-06-29 (844 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
MachineType: LENOVO 20LS001APG
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-52-generic
root=UUID=da64ed2a-22fc-4955-8d73-3382e773414d ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-5.4.0-52-generic N/A
linux-backports-modules-5.4.0-52-generic N/A
linux-firmware 1.187.3
SourcePackage: linux
UpgradeStatus: Upgraded to focal on 2020-10-14 (7 days ago)
dmi.bios.date: 11/22/2018
dmi.bios.vendor: LENOVO
dmi.bios.version: R0QET52W (1.29 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20LS001APG
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40697 WIN
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias:
dmi:bvnLENOVO:bvrR0QET52W(1.29):bd11/22/2018:svnLENOVO:pn20LS001APG:pvrThinkPadL480:rvnLENOVO:rn20LS001APG:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrNone:
dmi.product.family: ThinkPad L480
dmi.product.name: 20LS001APG
dmi.product.sku: LENOVO_MT_20LS_BU_Think_FM_ThinkPad L480
dmi.product.version: ThinkPad L480
dmi.sys.vendor: LENOVO
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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https://bugs.launchpad.net/bugs/1900827
Title:
After upgrade of ubuntu 18 to 20 sometimes freeze
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