[Bug 1266947] [NEW] Sometimes upgradable packages aren't in update-manager

[dg1727]

Public bug reported:

Xubuntu 13.04 Raring 
Package versions:  
update-manager 1:0.186.2
update-notifier 0.134
synaptic 0.80~exp2raring1

Right now, if I click the update-notifier systray icon, the first
(grayed-out) menu entry says "There are 7 updates available."  If I have
Synaptic show me packages whose Status is "Installed (upgradable)," I
see iproute, 4 of libdrm*, libpixman-1-0, and libxfont1.  That adds up
to 7 as expected.  But in update-manager, only libdrm* and libxfont1 are
shown, not iproute or libpixman-1-0.

What is expected to happen is that update-manager will show all of the
packages that are counted in the update-notifier menu & listed as
upgradable in Synaptic.

When I first noticed this issue, update-notifier & Synaptic showed only
6 upgradable packages.  A rescan of the repos for updated packages
("apt-get update" triggered via a GUI) then added libxfont1 to the
list/count shown in all 3 programs, but didn't make iproute or
libpixman-1-0 show up in update-manager.

Restarting the computer also didn't correct the update-manager list.

I don't know how often this issue can happen or what is special about
the packages that are missing from update-manager.

** Affects: update-manager (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: raring

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https://bugs.launchpad.net/bugs/1266947

Title:
  Sometimes upgradable packages aren't in update-manager

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

Bug description:
  Xubuntu 13.04 Raring 
  Package versions:  
  update-manager 1:0.186.2
  update-notifier 0.134
  synaptic 0.80~exp2raring1

  Right now, if I click the update-notifier systray icon, the first
  (grayed-out) menu entry says "There are 7 updates available."  If I
  have Synaptic show me packages whose Status is "Installed
  (upgradable)," I see iproute, 4 of libdrm*, libpixman-1-0, and
  libxfont1.  That adds up to 7 as expected.  But in update-manager,
  only libdrm* and libxfont1 are shown, not iproute or libpixman-1-0.

  What is expected to happen is that update-manager will show all of the
  packages that are counted in the update-notifier menu & listed as
  upgradable in Synaptic.

  When I first noticed this issue, update-notifier & Synaptic showed
  only 6 upgradable packages.  A rescan of the repos for updated
  packages ("apt-get update" triggered via a GUI) then added libxfont1
  to the list/count shown in all 3 programs, but didn't make iproute or
  libpixman-1-0 show up in update-manager.

  Restarting the computer also didn't correct the update-manager list.

  I don't know how often this issue can happen or what is special about
  the packages that are missing from update-manager.

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