[Bug 802991] Re: "Partial upgrade" to next Ubuntu version leaves system broken

[Matthew Paul Thomas]

** Summary changed:

- Remove option to 'partial upgrade'.
+ "Partial upgrade" to next Ubuntu version leaves system broken

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Title:
  "Partial upgrade" to next Ubuntu version leaves system broken

Status in “update-manager” package in Ubuntu:
  Triaged

Bug description:
  Version 10.10 running satisfactorily.
  Started update manager which identified outstanding updates. Told system to install updates.
  all outstanding updates disappeared from list so assumed all okay. System shown as up to date.
  System showed upgrade to 11.04 available so went ahead with upgrade. 
  After a long time upgrading, system displayed message not all updates can be installed.
  new message appears. Run a partial upgrade to install as many as possible. Pressed proceed.
  New message appears. An upgrade from Natty to Maverick is not supported with this tool.

  But it has done a partial upgrade and left the system showing the old 10.10 desktop with 11.04 kernal and updated firefox and two different versions of terminal installed.
  Then gave messages my Hardware was not sufficient to run 11.04.
  Action.
  Had spare hard drive identical to current hard drive both brand new and tested and working properly.
  Installed 11.04 onto my spare hard drive from the live CD and it runs perfectly. So nothing wrong with my hardware as reported.

  Observations.
  If update manager was able to identify that an update had not installed it should report which one failed to update.
  Update manager should not allow you to attempt an upgrade if it knows it has not correctly updated all necessary packages for upgrade to complete.
  Partial upgrades are  of no use simply leaving most novices like me totally lost.
  How can the system tell you a)  A partial upgrade is possible . b) Then when you proceed with partial upgrade tell you  it cannot carry out a partial upgrade. c) Then actually carry out a partial upgrade.
  Net result system completely messed up as detailed above.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: xorg 1:7.6+4ubuntu3.1
  ProcVersionSignature: Ubuntu 2.6.35-28.50-generic 2.6.35.11
  Uname: Linux 2.6.35-28-generic i686
  Architecture: i386
  CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: None
  Date: Tue Jun 28 14:10:42 2011
  DistUpgraded: Log time: 2011-06-23 01:20:33.258042
  DistroCodename: natty
  DistroVariant: ubuntu
  GraphicsCard:
   ATI Technologies Inc RS880 [Radeon HD 4250] [1002:9715] (prog-if 00 [VGA controller])
     Subsystem: Giga-byte Technology Device [1458:d000]
  InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release i386 (20100816.1)
  MachineType: Gigabyte Technology Co., Ltd. GA-880GMA-UD2H
  ProcEnviron:
   LANGUAGE=en_GB:en
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-2.6.35-28-generic root=UUID=89fff4c4-11e4-48bd-b928-d490c271f55d ro quiet splash
  Renderer: Unknown
  SourcePackage: xorg
  Symptom: display
  UpgradeStatus: Upgraded to natty on 2011-06-23 (5 days ago)
  dmi.bios.date: 07/28/2010
  dmi.bios.vendor: Award Software International, Inc.
  dmi.bios.version: F4
  dmi.board.name: GA-880GMA-UD2H
  dmi.board.vendor: Gigabyte Technology Co., Ltd.
  dmi.chassis.type: 3
  dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
  dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF4:bd07/28/2010:svnGigabyteTechnologyCo.,Ltd.:pnGA-880GMA-UD2H:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnGA-880GMA-UD2H:rvr:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
  dmi.product.name: GA-880GMA-UD2H
  dmi.sys.vendor: Gigabyte Technology Co., Ltd.
  version.compiz: compiz 1:0.8.6-0ubuntu9.2
  version.libdrm2: libdrm2 2.4.23-1ubuntu6
  version.libgl1-mesa-dri: libgl1-mesa-dri 7.10.2-0ubuntu2
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 7.10.2-0ubuntu2
  version.xserver-xorg: xserver-xorg 1:7.6+4ubuntu3.1
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.0-0ubuntu4
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.14.0-4ubuntu7.1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110107+b795ca6e-0ubuntu7

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