[Bug 133139] Re: update-manager bug when loading Changes is slow

[Launchpad Bug Tracker]

This bug was fixed in the package update-manager - 1:0.152.18

---------------
update-manager (1:0.152.18) oneiric; urgency=low

  [ Michael Vogt ]
  * debian/pycompat:
    - removed, no longer needed
  * debian/rules:
    - fix incorrect invocation of --with=python2

  [ Robert Roth ]
  * lp:~evfool/update-manager/handlewarning:
    - Only disconnect handler if it's still connected (LP: #133139)
  * lp:~evfool/update-manager/glibchangefix:
    - Call glib.markup_escape_text() correctly as per current
      gir (don't pass in string length; LP: #832745)
  * lp:~evfool/update-manager/fixcopylink:
    - Fix the "Copy web link" context menu item of the ChangeLog viewer.
      It did not work before of some Gtk changes, now it does work.
      Fixes LP: #831944.

  [ Stefano Rivera ]
  * extras is another special case where validTo=False (LP: #775694)
 -- Michael Vogt <michael.vogt at ubuntu.com>   Tue, 13 Sep 2011 11:47:10 +0200

** Changed in: update-manager (Ubuntu)
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/133139

Title:
  update-manager bug when loading Changes is slow

Status in “update-manager” package in Ubuntu:
  Fix Released

Bug description:
  Binary package hint: update-manager

  Hello. This is about the latest (and older) update-manager on Gutsy.

  I have the update-manager window opened with the "Changes" tab
  selected and expanded, so it shows the changes for every package to be
  updated.

  Imagine there are three packages in the updates list, A, B and C. If A
  is selected, its changes are displayed correctly below it. If I press
  down arrow on the keyboard, the B package is selected, its changes
  should be looked-up and displayed. The same for C.

  This works OK normally, but:

  (We're back with A selected.) I click down, B gets selected. The
  Changes tab briefly displays "Downloading the list of changes" or
  something similar. This is the trick: If I press down again _before_
  the changes for B are displayed (this happens often for me, but it
  might depend on your connection), then the bug happens.

  Usually the changes for C are displayed (not sure why it's quicker
  than B), then I get a warning in the console, then the changes for B
  are displayed, although C is still selected. I can get the changes for
  C by going back to B and then returning to C.

  Here's an example for this happening three times in a row:
  /usr/lib/python2.5/site-packages/UpdateManager/UpdateManager.py:584: Warning: /build/buildd/glib2.0-2.13.7/gobject/gsignal.c:1741: instance `0x875ece0' has no handler with id `362'
    button.disconnect(id);
  /usr/lib/python2.5/site-packages/UpdateManager/UpdateManager.py:584: Warning: /build/buildd/glib2.0-2.13.7/gobject/gsignal.c:1741: instance `0x875ece0' has no handler with id `367'
    button.disconnect(id);
  /usr/lib/python2.5/site-packages/UpdateManager/UpdateManager.py:584: Warning: /build/buildd/glib2.0-2.13.7/gobject/gsignal.c:1741: instance `0x875eb70' has no handler with id `377'
    button.disconnect(id);

  I suppose a callback waiting for the download of the changes forgets
  to check if it should still display them.

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