Changing status belatedly to invalid. Upstream the issue was diagnosed
as insufficient voltage supplied to the SoC, and was worked around by
increasing SoC voltage in BIOS.

** Changed in: linux (Ubuntu)
       Status: Incomplete => Invalid

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https://bugs.launchpad.net/bugs/1883493

Title:
  amdgpu hangs from time to time with *ERROR* Waiting for fences timed
  out!

Status in linux package in Ubuntu:
  Invalid

Bug description:
  un 15 08:30:42 alhazen kernel: [ 1566.155810] 
[drm:amdgpu_dm_commit_planes.constprop.0 [amdgpu]] *ERROR* Waiting for fences 
timed out!
  Jun 15 08:30:47 alhazen kernel: [ 1566.159792] 
[drm:amdgpu_dm_commit_planes.constprop.0 [amdgpu]] *ERROR* Waiting for fences 
timed out!
  Jun 15 08:30:47 alhazen kernel: [ 1571.020144] [drm:amdgpu_job_timedout 
[amdgpu]] *ERROR* ring gfx_0.0.0 timeout, signaled seq=535493, emitted 
seq=535495
  Jun 15 08:30:47 alhazen kernel: [ 1571.020216] [drm:amdgpu_job_timedout 
[amdgpu]] *ERROR* Process information: process Xorg pid 3664 thread Xorg:cs0 
pid 3694
  Jun 15 08:30:47 alhazen kernel: [ 1571.020218] [drm] GPU recovery disabled.

  Mouse pointer still moves, but apart from that the display is frozen.
  Music keeps playing.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: linux-image-5.4.0-37-generic 5.4.0-37.41
  ProcVersionSignature: Ubuntu 5.4.0-37.41-generic 5.4.41
  Uname: Linux 5.4.0-37-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27.2
  Architecture: amd64
  CasperMD5CheckResult: skip
  CurrentDesktop: ubuntu:GNOME
  Date: Mon Jun 15 09:09:56 2020
  InstallationDate: Installed on 2020-05-28 (17 days ago)
  InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
  IwConfig:
   enp4s0    no wireless extensions.
   
   lo        no wireless extensions.
  MachineType: System manufacturer System Product Name
  ProcFB: 0 amdgpudrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-37-generic 
root=/dev/mapper/vgubuntu-root ro quiet splash acpi-enforce-resources=lax 
vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-5.4.0-37-generic N/A
   linux-backports-modules-5.4.0-37-generic  N/A
   linux-firmware                            1.187
  RfKill:
   
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 07/02/2019
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 0604
  dmi.board.asset.tag: Default string
  dmi.board.name: PRIME X570-PRO
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: Rev X.0x
  dmi.chassis.asset.tag: Default string
  dmi.chassis.type: 3
  dmi.chassis.vendor: Default string
  dmi.chassis.version: Default string
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr0604:bd07/02/2019:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnPRIMEX570-PRO:rvrRevX.0x:cvnDefaultstring:ct3:cvrDefaultstring:
  dmi.product.family: To be filled by O.E.M.
  dmi.product.name: System Product Name
  dmi.product.sku: SKU
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer

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