Public bug reported:

lsb_release -rd:
`
Description:    Ubuntu 18.04.3 LTS
Release:        18.04
`

Hi,

I get random freezes on 4.15.0-60. Neither */var/log/kern.log* nor
*/var/crash* contains anything useful. When it happens it's like it went
into a NOP-loop, everything freezes (including mouse pointer) and it
reacts to nothing until power cut or reset.

I wasn't able to find any steps to reproduce it, it seems fully random.

Kernel 4.15.0-58 works fine.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-60-generic 4.15.0-60.67
ProcVersionSignature: Ubuntu 4.15.0-60.67-generic 4.15.18
Uname: Linux 4.15.0-60-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.7
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC1:  andi       3522 F.... pulseaudio
 /dev/snd/controlC0:  andi       3522 F.... pulseaudio
CurrentDesktop: ubuntu:GNOME
Date: Wed Sep  4 19:36:13 2019
HibernationDevice: RESUME=/dev/mapper/vgad--ssd-swap
InstallationDate: Installed on 2018-09-16 (352 days ago)
InstallationMedia: Ubuntu-Server 18.04.1 LTS "Bionic Beaver" - Release amd64 
(20180725)
MachineType: System manufacturer System Product Name
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
ProcFB: 0 amdgpudrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-60-generic 
root=/dev/mapper/vgad--ssd-root ro
RelatedPackageVersions:
 linux-restricted-modules-4.15.0-60-generic N/A
 linux-backports-modules-4.15.0-60-generic  N/A
 linux-firmware                             1.173.9
RfKill:
 
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/19/2018
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0601
dmi.board.asset.tag: Default string
dmi.board.name: ROG CROSSHAIR VII HERO
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr0601:bd04/19/2018:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnROGCROSSHAIRVIIHERO:rvrRev1.xx:cvnDefaultstring:ct3:cvrDefaultstring:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: Confirmed


** Tags: amd64 apport-bug bionic

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https://bugs.launchpad.net/bugs/1842726

Title:
  Random freezes on 4.15.0-60

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