[Bug 656881] Re: "Install" button sometimes doesn't do anything

[Ubuntu QA's Bug Bot]

** Tags added: testcase

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https://bugs.launchpad.net/bugs/656881

Title:
  "Install" button sometimes doesn't do anything

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

Bug description:
  Binary package hint: update-manager

  TEST CASE:
  - the bug itself is difficult to trigger, its a race
  - a regression test is sufficient, if u-m can still install after clicking on the install button

  I've noticed a few times on my Lucid machine that pressing the
  "Install" button in update-manager doesn't seem to do anything. This
  happened to me again today in KVM, and I was able to get this
  traceback:

  Traceback (most recent call last):
    File "/usr/lib/python2.6/dist-packages/UpdateManager/UpdateManager.py", line 586, in on_button_install_clicked
      self.cache.checkFreeSpace()
    File "/usr/lib/python2.6/dist-packages/DistUpgrade/DistUpgradeCache.py", line 1104, in checkFreeSpace
      for (dir, size) in [(archivedir, self.requiredDownload),
    File "/usr/lib/python2.6/dist-packages/UpdateManager/Core/MyCache.py", line 88, in requiredDownload
      pm.GetArchives(fetcher, self._list, self._records)
  SystemError: E:I wasn't able to locate file for the gzip package. This might mean you need to manually fix this package.
  This commit fixes this: http://bazaar.launchpad.net/~ubuntu-core-dev/update-manager/main/revision/1931

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