[Expired for linux (Ubuntu) because there has been no activity for 60
days.]

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

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https://bugs.launchpad.net/bugs/1829915

Title:
  Radeon receives invalid EDID (all zeroes)

Status in linux package in Ubuntu:
  Expired

Bug description:
   I installed ubuntu 18.04 than upgraded to 19.04 and everything was 
fine(resolution 1920x1080 on a samsung TV) for a few weeks than suddenly it 
dropped to 1024x768.
    I'm running a AMD HD7670 video card with a display port to HDMI cable to 
the tv

  ProblemType: Bug
  DistroRelease: Ubuntu 19.04
  Package: xorg 1:7.7+19ubuntu12
  ProcVersionSignature: Ubuntu 5.0.0-15.16-generic 5.0.6
  Uname: Linux 5.0.0-15-generic x86_64
  ApportVersion: 2.20.10-0ubuntu27
  Architecture: amd64
  BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
  CompositorRunning: None
  CurrentDesktop: ubuntu:GNOME
  Date: Tue May 21 21:25:49 2019
  DistUpgraded: 2019-05-20 01:35:47,157 ERROR got error from PostInstallScript 
./xorg_fix_proprietary.py (g-exec-error-quark: Failed to execute child process 
“./xorg_fix_proprietary.py” (No such file or directory) (8))
  DistroCodename: disco
  DistroVariant: ubuntu
  ExtraDebuggingInterest: Yes
  GraphicsCard:
   Advanced Micro Devices, Inc. [AMD/ATI] Caicos XT [Radeon HD 7470/8470 / R5 
235/310 OEM] [1002:6778] (prog-if 00 [VGA controller])
     Subsystem: Dell Radeon HD 7470 [1028:2120]
  InstallationDate: Installed on 2019-05-19 (1 days ago)
  InstallationMedia: Ubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 
(20190210)
  MachineType: Dell Inc. OptiPlex 755
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.0.0-15-generic 
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=1
  SourcePackage: xorg
  UpgradeStatus: Upgraded to disco on 2019-05-19 (1 days ago)
  dmi.bios.date: 06/11/2012
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A22
  dmi.board.name: 0PU052
  dmi.board.vendor: Dell Inc.
  dmi.chassis.type: 15
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: 
dmi:bvnDellInc.:bvrA22:bd06/11/2012:svnDellInc.:pnOptiPlex755:pvr:rvnDellInc.:rn0PU052:rvr:cvnDellInc.:ct15:cvr:
  dmi.product.name: OptiPlex 755
  dmi.sys.vendor: Dell Inc.
  version.compiz: compiz N/A
  version.libdrm2: libdrm2 2.4.98+git1905161830.922d92~oibaf~d
  version.libgl1-mesa-dri: libgl1-mesa-dri 19.2~git1905190730.4689e9~oibaf~d
  version.libgl1-mesa-glx: libgl1-mesa-glx 19.2~git1905190730.4689e9~oibaf~d
  version.xserver-xorg-core: xserver-xorg-core 2:1.20.4-1ubuntu3
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.0.1-0ubuntu1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20180925-2
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1

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