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** Changed in: linux (Ubuntu)
       Status: New => Confirmed

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  System hangs on sleep and won't boot on battery power

Status in linux package in Ubuntu:

Bug description:
  Whenever I try to suspend to RAM by either closing the laptop in
  battery mode or by clicking sleep on the power menu, the screen goes
  black, but the laptop never fully goes to sleep.  The keyboard
  backlight and power button stay lit, and the computer won't wake up.
  The only way to restore it is to hold down the power button to force a
  full shutdown.  I've had this issue on Kubuntu 19.10 as well as 20.04.

  On boot, I get an error message about AMD Vi: unable to read/write
  IOMMU perf counter.  I am unsure if that is related to my issue.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: xorg 1:7.7+19ubuntu14
  Uname: Linux 5.5.11-050511-generic x86_64
  ApportVersion: 2.20.11-0ubuntu21
  Architecture: amd64
  BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
  CompositorRunning: None
  CurrentDesktop: KDE
  Date: Tue Mar 24 20:10:51 2020
  DistUpgraded: Fresh install
  DistroCodename: focal
  DistroVariant: ubuntu
  ExtraDebuggingInterest: No
   Advanced Micro Devices, Inc. [AMD/ATI] Picasso [1002:15d8] (rev c1) (prog-if 
00 [VGA controller])
     Subsystem: ASUSTeK Computer Inc. Picasso [1043:1b71]
  InstallationDate: Installed on 2020-03-06 (18 days ago)
  InstallationMedia: Kubuntu 20.04 LTS "Focal Fossa" - Alpha amd64 (20200306)
  MachineType: ASUSTeK COMPUTER INC. ZenBook UX434DA_UM433DA
   PATH=(custom, no user)
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.5.11-050511-generic 
root=UUID=f2ef7f4c-875c-4861-a849-e5ebf6d646fd ro quiet splash vt.handoff=7
  SourcePackage: xorg
  Symptom: display
  UpgradeStatus: No upgrade log present (probably fresh install) 09/05/2019
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: UX434DA_UM433DA.302
  dmi.board.asset.tag: ATN12345678901234567 UX434DA
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTeK COMPUTER INC.
  dmi.chassis.version: 1.0
dmi:bvnAmericanMegatrendsInc.:bvrUX434DA_UM433DA.302:bd09/05/2019:svnASUSTeKCOMPUTERINC.:pnZenBookUX434DA_UM433DA:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnUX434DA:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0: ZenBook ZenBook UX434DA_UM433DA
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK COMPUTER INC.
  version.compiz: compiz N/A
  version.libdrm2: libdrm2 2.4.100-4
  version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.0-1ubuntu1
  version.libgl1-mesa-glx: libgl1-mesa-glx 20.0.0-1ubuntu1
  version.xserver-xorg-core: xserver-xorg-core 2:1.20.7-2ubuntu2
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1

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