You missed that I did include the output of 'systemctl list-jobs' during
the crucial interval of delay.

I will follow your instructions regarding boot parameters etc. and post
results asap.

I expect there is an enormous difference between accessing the VM via
RPD (XRDP) protocol and accessing the VM via the more native interface
(purple screen) which is eventually available on 19.10, even though both
are accessed through the Hyper-V "Connection" interface. XRDP seems like
the preferred way, it's the only way I get to 18.04, and forcing it on
19.10 is the only way I get screen size control and cut-and-paste from
guest to host. Am seeking confirmation of what is the correct/preferred
behavior is with 19.10. Should I be getting the "native" purple login
screen quickly and then have cut-paste and screen control, or should be
getting the XRDP interface quickly, just like I do with 18.04?

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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1848534

Title:
  [Microsoft Hyper-V guest] System shows graphic artifacts for a moment,
  then text cursor for about minute and then starts

Status in gdm3 package in Ubuntu:
  Confirmed
Status in linux package in Ubuntu:
  Confirmed

Bug description:
  AFter upgrade system shows graphic artefacts for a moment and then
  text cursor for about minute (it looks like hanged) and then starts.

  In 19.04 startup required 1 or 2 seconds.

  ProblemType: Bug
  DistroRelease: Ubuntu 19.10
  Package: ubuntu-release-upgrader-core 1:19.10.15
  ProcVersionSignature: Ubuntu 5.3.0-18.19-generic 5.3.1
  Uname: Linux 5.3.0-18-generic x86_64
  ApportVersion: 2.20.11-0ubuntu8
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Thu Oct 17 17:42:27 2019
  InstallationDate: Installed on 2019-07-04 (104 days ago)
  InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Release amd64 (20190416)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  Symptom: dist-upgrade
  UpgradeStatus: Upgraded to eoan on 2019-10-17 (0 days ago)
  VarLogDistupgradeLspcitxt:
   
  VarLogDistupgradeXorgFixuplog:
   INFO:root:/usr/bin/do-release-upgrade running
   INFO:root:No xorg.conf, exiting
  --- 
  ProblemType: Bug
  ApportVersion: 2.20.11-0ubuntu8
  Architecture: amd64
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', 
'/dev/snd/timer'] failed with exit code 1:
  BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
  CompositorRunning: None
  CurrentDesktop: ubuntu:GNOME
  DistUpgraded: 2019-10-17 17:03:47,139 DEBUG Running PostInstallScript: 
'./xorg_fix_proprietary.py'
  DistroCodename: eoan
  DistroRelease: Ubuntu 19.10
  DistroVariant: ubuntu
  ExtraDebuggingInterest: Yes
  GraphicsCard:
   
  InstallationDate: Installed on 2019-07-04 (105 days ago)
  InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Release amd64 (20190416)
  IwConfig:
   eth0      no wireless extensions.
   
   lo        no wireless extensions.
  Lspci:
   
  Lsusb: Error: command ['lsusb'] failed with exit code 1:
  MachineType: Microsoft Corporation Virtual Machine
  Package: xorg-server (not installed)
  ProcFB: 0 hyperv_fb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.3.0-18-generic 
root=UUID=17409d40-25e9-4051-9fd9-758e2a02ebc3 ro quiet splash 
video=hyperv_fb:1900x900 elevator=noop vt.handoff=7
  ProcVersionSignature: Ubuntu 5.3.0-18.19-generic 5.3.1
  RelatedPackageVersions:
   linux-restricted-modules-5.3.0-18-generic N/A
   linux-backports-modules-5.3.0-18-generic  N/A
   linux-firmware                            1.183
  RfKill:
   
  Tags:  eoan ubuntu
  Uname: Linux 5.3.0-18-generic x86_64
  UpgradeStatus: Upgraded to eoan on 2019-10-17 (0 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 01/30/2019
  dmi.bios.vendor: Microsoft Corporation
  dmi.bios.version: Hyper-V UEFI Release v4.0
  dmi.board.asset.tag: None
  dmi.board.name: Virtual Machine
  dmi.board.vendor: Microsoft Corporation
  dmi.board.version: Hyper-V UEFI Release v4.0
  dmi.chassis.asset.tag: 2831-3616-6111-5725-4803-1162-28
  dmi.chassis.type: 3
  dmi.chassis.vendor: Microsoft Corporation
  dmi.chassis.version: Hyper-V UEFI Release v4.0
  dmi.modalias: 
dmi:bvnMicrosoftCorporation:bvrHyper-VUEFIReleasev4.0:bd01/30/2019:svnMicrosoftCorporation:pnVirtualMachine:pvrHyper-VUEFIReleasev4.0:rvnMicrosoftCorporation:rnVirtualMachine:rvrHyper-VUEFIReleasev4.0:cvnMicrosoftCorporation:ct3:cvrHyper-VUEFIReleasev4.0:
  dmi.product.family: Virtual Machine
  dmi.product.name: Virtual Machine
  dmi.product.sku: None
  dmi.product.version: Hyper-V UEFI Release v4.0
  dmi.sys.vendor: Microsoft Corporation
  version.compiz: compiz N/A
  version.libdrm2: libdrm2 2.4.99-1ubuntu1
  version.libgl1-mesa-dri: libgl1-mesa-dri 19.2.1-1ubuntu1
  version.libgl1-mesa-glx: libgl1-mesa-glx N/A
  version.xserver-xorg-core: xserver-xorg-core 2:1.20.5+git20191008-0ubuntu1
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.0.1-1ubuntu1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20190815-1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1

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