[Bug 1036794] Re: unmet dependencies during update of nspr4: libnspr4 : Breaks: evolution-plugins (< 3.2.0-0ubuntu2) but 2.32.2-0ubuntu7 is to be installed

Ashutosh ashutosh441 at gmail.com
Thu Aug 16 17:12:35 UTC 2012


indeed its all fixed now, just checked update-manager and it is working
seamlessly now, great work team, thanks to you all, saved me from a lot of
hassles, thank you all one again

On 16 August 2012 22:34, Launchpad Bug Tracker
<1036794 at bugs.launchpad.net>wrote:

> This bug was fixed in the package nspr - 4.8.9-1ubuntu2.2
>
> ---------------
> nspr (4.8.9-1ubuntu2.2) precise-proposed; urgency=low
>
>   * Add additional Conflicts: on the obsolete evolution-documentation-*
>     packages, which are held back on some users' systems despite being
>     obsolete before 10.04; and also on the matching
>     language-support-translations-* and language-support-* packages.  This
>     should ensure libnspr is getting upgraded, instead of evolution being
>     held back.  LP: #1036794.
>  -- Steve Langasek <steve.langasek at ubuntu.com>   Wed, 15 Aug 2012
> 13:52:33 -0700
>
> ** Changed in: nspr (Ubuntu Precise)
>        Status: Fix Committed => Fix Released
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1036794
>
> Title:
>   unmet dependencies during update of nspr4: libnspr4 : Breaks:
>   evolution-plugins (< 3.2.0-0ubuntu2) but 2.32.2-0ubuntu7 is to be
>   installed
>
> Status in “nspr” package in Ubuntu:
>   Invalid
> Status in “nspr” source package in Precise:
>   Fix Released
>
> Bug description:
>   [Impact]
>   An SRU of nspr to make CD-based upgrades work better from 10.04 to 12.04
> has caused failures in other cases where users have continuously upgraded
> their systems from Ubuntu 9.04 or earlier and as a result have had old,
> obsolete evolution packages held back.  These users can now not upgrade at
> all using update-manager.
>
>   [Test case]
>   1. Fish an old Ubuntu 9.04 CD out of the drawer and install in English.
>  Make sure that the language-support-en package and
> language-support-translations-en are installed.
>   2. Manually upgrade to 10.04.  Check that language-support-en is still
> installed.
>   3. Run update-manager -d to upgrade to 12.04.  Verify that this upgrade
> fails.
>   4. Enable -proposed, so that precise-proposed will be used in the
> upgrade to 12.04.
>   5. Run update-manager -d again.  Verify that the upgrade now succeeds.
>
>   Alternatively:
>   1. Get a 12.04 chroot
>   2. Add natty and jaunty (http://old-releases.ubuntu.com) to
> /etc/apt/sources.list
>   3. sudo apt-get install evolution-plugins/natty evolution-common/natty
> libnspr4/natty language-support-translations-en/jaunty
> language-support-en/jaunty language-support-writing-en/jaunty
>   4. Drop natty and jaunty from /etc/apt/sources.list
>   5. Check that system is broken in apt-get -f install or apt-get
> dist-upgrade
>   6. Get new libnspr4
>   7. Upgrade now works, removing language-support-translations-en and
> language-support-en
>
>   [Regression potential]
>   The risk of regression here is difficult to quantify without an
> exhaustive examination of all historic packages in Ubuntu that depended on
> one or more of these now-obsolete language support packages.  Adding these
> Conflicts may result in other, different upgrade failures for yet another
> set of users.  What can be said is that any user affected by either this
> regression, or a regression resulting from this change, had obsolete
> packages installed which should be removed from their system; and the only
> effective way to identify any such remaining cases is by making the upgrade
> to 12.04 refuse to work until they've been dealt with.
>
>   Could not calculate the upgrade
>
>   An unresolvable problem occurred while calculating the upgrade.
>
>   Please report this bug against the 'update-manager' package and include
> the following error message:
>   'E:Error, pkgProblemResolver::Resolve generated breaks, this may be
> caused by held packages.'
>
>   Package dependencies cannot be resolved
>
>   This error could be caused by required additional software packages
>   which are missing or not installable. Furthermore there could be a
>   conflict between software packages which are not allowed to be
>   installed at the same time.
>
>   The following packages have unmet dependencies:
>
>   libnspr4:
>
>   Trace from Resolver:
>   Investigating (9) libnspr4 [ i386 ] < 4.8.9-1ubuntu2 -> 4.8.9-1ubuntu2.1
> > ( libs )
>   Broken libnspr4:i386 Breaks on evolution-plugins [ i386 ] <
> 2.32.2-0ubuntu7 -> 3.2.3-0ubuntu6 > ( gnome ) (< 3.2.0-0ubuntu2)
>     Considering evolution-plugins:i386 3 as a solution to libnspr4:i386 128
>     Upgrading evolution-plugins:i386 due to Breaks field in libnspr4:i386
>   Investigating (9) evolution-plugins [ i386 ] < 2.32.2-0ubuntu7 ->
> 3.2.3-0ubuntu6 > ( gnome )
>   Broken evolution-plugins:i386 Depends on evolution [ i386 ] < none ->
> 3.2.3-0ubuntu6 > ( gnome ) (= 3.2.3-0ubuntu6)
>     Considering evolution:i386 5 as a solution to evolution-plugins:i386 3
>     Holding Back evolution-plugins:i386 rather than change evolution:i386
>   Done
>   Failed
>   The following packages have unmet dependencies:
>    libnspr4 : Breaks: evolution-plugins (< 3.2.0-0ubuntu2) but
> 2.32.2-0ubuntu7 is to be installed
>
>   ----------------
>   1. Description:       Ubuntu 12.04.1 LTS
>   Release:      12.04
>   ---------------
>   2. apt-cache policy libnspr4
>   libnspr4:
>     Installed: 4.8.9-1ubuntu2
>     Candidate: 4.8.9-1ubuntu2.1
>     Version table:
>        4.8.9-1ubuntu2.1 0
>           500 http://us.archive.ubuntu.com/ubuntu/ precise-updates/main
> i386 Packages
>    *** 4.8.9-1ubuntu2 0
>           500 http://us.archive.ubuntu.com/ubuntu/ precise/main i386
> Packages
>           100 /var/lib/dpkg/status
>   ----------------
>   3. Update Manager should work properly
>
>   4. Update Manager Could not calculate the upgrade
>
>   An unresolvable problem occurred while calculating the upgrade.
>
>   ProblemType: Bug
>   DistroRelease: Ubuntu 12.04
>   Package: update-manager 1:0.156.14.9
>   ProcVersionSignature: Ubuntu 3.2.0-29.46-generic 3.2.24
>   Uname: Linux 3.2.0-29-generic i686
>   ApportVersion: 2.0.1-0ubuntu12
>   Architecture: i386
>   CurrentDmesg.txt:
>    [   49.935139] r8169 0000:01:00.0: eth0: link up
>    [   49.935343] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
>    [   51.500059] init: plymouth-stop pre-start process (1860) terminated
> with status 1
>    [   59.560012] lxcbr0: no IPv6 routers present
>    [   59.952011] eth0: no IPv6 routers present
>   Date: Wed Aug 15 00:22:38 2012
>   GsettingsChanges:
>    com.ubuntu.update-manager first-run false
>    com.ubuntu.update-manager launch-time 1344969604
>    com.ubuntu.update-manager show-details true
>    com.ubuntu.update-manager window-height 664
>    com.ubuntu.update-manager window-width 525
>   PackageArchitecture: all
>   SourcePackage: update-manager
>   UpgradeStatus: Upgraded to precise on 2012-03-09 (158 days ago)
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/nspr/+bug/1036794/+subscriptions
>

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https://bugs.launchpad.net/bugs/1036794

Title:
  unmet dependencies during update of nspr4: libnspr4 : Breaks:
  evolution-plugins (< 3.2.0-0ubuntu2) but 2.32.2-0ubuntu7 is to be
  installed

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https://bugs.launchpad.net/ubuntu/+source/nspr/+bug/1036794/+subscriptions




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