[Bug 1854621] Re: ubuntu 20.04 daily boots with no (or warped) background, selecting other background has warped wallpaper

[Chris Guiver]

Booted today's impish (canary) daily (live QA-test) on
- dell [optiplex] 755 (c2d-e6850, 5gb, amd/ati radeon rv516/x1300/x1550)

Identical result to comment #13

booted with wallpaper shown, however glitches on top though.  On changing it, I get 
- no background (usually blocks on small parts of screen)
- glitched background (varying amount looks good)
- correct wallpaper (took ~15 changes to achieve a perfect wallpaper though)

it doesn't repeat though; you'll get different results each time a
wallpaper is selected and it's unpredictable.

** Summary changed:

- ubuntu 20.04 daily boots with no background, selecting other background has warped picture
+ ubuntu 20.04 daily boots with no (or warped) background, selecting other background has warped wallpaper

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Title:
  ubuntu 20.04 daily boots with no (or warped) background, selecting
  other background has warped wallpaper

Status in ubuntu-meta package in Ubuntu:
  New

Bug description:
  Ubuntu 20.04 daily - verified (check disc for defects) prior to boot.
  dell [optiplex] 755 (c2d-e6850, 5gb, amd/ati radeon rv516/x1300/x1550)

  On booting, the 20.04 daily has no background when desktop is loaded?
  (ie. top panel is there, dock on left side on black screen)

  When changing background (to any already installed), they are warped
  when selected and made the bacground as if corrupted (but small image
  where selection is made looks valid).


  This issue may relate to video card  [radeon]

  ubuntu at ubuntu:~$ sudo lshw -C video
    *-display:0               
         description: VGA compatible controller
         product: RV516 [Radeon X1300/X1550 Series]
         vendor: Advanced Micro Devices, Inc. [AMD/ATI]
         physical id: 0
         bus info: pci at 0000:01:00.0
         version: 00
         width: 64 bits
         clock: 33MHz
         capabilities: pm pciexpress msi vga_controller bus_master cap_list rom
         configuration: driver=radeon latency=0
         resources: irq:16 memory:d0000000-dfffffff memory:fe9e0000-fe9effff ioport:dc00(size=256) memory:c0000-dffff
    *-display:1 UNCLAIMED
         description: Display controller
         product: RV516 [Radeon X1300/X1550 Series] (Secondary)
         vendor: Advanced Micro Devices, Inc. [AMD/ATI]
         physical id: 0.1
         bus info: pci at 0000:01:00.1
         version: 00
         width: 64 bits
         clock: 33MHz
         capabilities: pm pciexpress bus_master cap_list
         configuration: latency=0
         resources: memory:fe9f0000-fe9fffff

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: ubuntu-desktop 1.440
  ProcVersionSignature: Ubuntu 5.3.0-18.19-generic 5.3.1
  Uname: Linux 5.3.0-18-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.11-0ubuntu9
  Architecture: amd64
  CasperVersion: 1.432
  CurrentDesktop: ubuntu:GNOME
  Date: Sun Dec  1 11:58:33 2019
  LiveMediaBuild: Ubuntu 20.04 LTS "Focal Fossa" - Alpha amd64 (20191128)
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-meta
  UpgradeStatus: No upgrade log present (probably fresh install)

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