apport information

** Attachment added: "DpkgLog.txt"
   
https://bugs.launchpad.net/bugs/1878618/+attachment/5373239/+files/DpkgLog.txt

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https://bugs.launchpad.net/bugs/1878618

Title:
  AMD r9 390 Ubuntu focal 20.04 screen tearing and turns black

Status in xserver-xorg-video-amdgpu package in Ubuntu:
  New

Bug description:
  I recently installed Ubuntu focal. I understand that the current
  kernel witch comes with it contains the open source drivers, radeon
  and amdgpu. Although for some people it work out of the box for me
  that is not the case.

  VGA : ASUS R9 390 OC 8GB
  Monitor: Benq xl2411 1080p 144 hz
  Monitor: Generic 1080p 60hz

  In detail immediately after installation i had about 5 min before
  screen turns black. In the meanwhile i got intense screen tearing.
  Thinks got even worse when i added a 2nd monitor.

  I tried to find a workaround and i managed to get it at least to stay
  on even with 144hz refresh rate using it alone or both of the monitors
  with 60hz using these kernel parameters in grub config.

  radeon.cik_support=0 radeon.si_support=0 amdgpu.cik_support=1
  amdgpu.si_support=1 amdgpu.dpm=1 amdgpu.dc=1

  but I cannot use the 1st monitor with 144hz and the 2nd one with 60hz. When i 
try to set the hertz higher on the first monitor thee second one blacks out.
  --- 
  ProblemType: Bug
  ApportVersion: 2.20.11-0ubuntu27
  Architecture: amd64
  BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
  CasperMD5CheckResult: skip
  CompositorRunning: None
  CurrentDesktop: ubuntu:GNOME
  DistUpgraded: Fresh install
  DistroCodename: focal
  DistroRelease: Ubuntu 20.04
  DistroVariant: ubuntu
  GraphicsCard:
   Advanced Micro Devices, Inc. [AMD/ATI] Hawaii PRO [Radeon R9 290/390] 
[1002:67b1] (rev 80) (prog-if 00 [VGA controller])
     Subsystem: ASUSTeK Computer Inc. Hawaii PRO [Radeon R9 290/390] [1043:04ed]
  InstallationDate: Installed on 2020-05-14 (3 days ago)
  InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
  MachineType: To be filled by O.E.M. To be filled by O.E.M.
  Package: xserver-xorg-video-amdgpu 19.1.0-1
  PackageArchitecture: amd64
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-29-generic 
root=UUID=a362c5d3-fee4-4294-b8a4-8f0a69213fb9 ro quiet radeon.cik_support=0 
radeon.si_support=0 amdgpu.cik_support=1 amdgpu.si_support=1 amdgpu.dpm=1 
amdgpu.dc=1
  ProcVersionSignature: Ubuntu 5.4.0-29.33-generic 5.4.30
  Tags:  focal ubuntu
  Uname: Linux 5.4.0-29-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 04/07/2014
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 2501
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: M5A99FX PRO R2.0
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: Rev 1.xx
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: To Be Filled By O.E.M.
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr2501:bd04/07/2014:svnTobefilledbyO.E.M.:pnTobefilledbyO.E.M.:pvrTobefilledbyO.E.M.:rvnASUSTeKCOMPUTERINC.:rnM5A99FXPROR2.0:rvrRev1.xx:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
  dmi.product.family: To be filled by O.E.M.
  dmi.product.name: To be filled by O.E.M.
  dmi.product.sku: SKU
  dmi.product.version: To be filled by O.E.M.
  dmi.sys.vendor: To be filled by O.E.M.
  version.compiz: compiz N/A
  version.libdrm2: libdrm2 2.4.101-2
  version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.4-2ubuntu1
  version.libgl1-mesa-glx: libgl1-mesa-glx N/A
  version.xserver-xorg-core: xserver-xorg-core 2:1.20.8-2ubuntu2
  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 
2:2.99.917+git20200226-1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1

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