** Also affects: update-manager (Ubuntu Eoan)
   Importance: Undecided
       Status: New

** Also affects: update-manager (Ubuntu Bionic)
   Importance: Undecided
       Status: New

** Changed in: update-manager (Ubuntu Bionic)
       Status: New => Confirmed

** Changed in: update-manager (Ubuntu Eoan)
       Status: New => Confirmed

** Changed in: update-manager (Ubuntu Focal)
       Status: Confirmed => In Progress

** Changed in: update-manager (Ubuntu Focal)
     Assignee: (unassigned) => Brian Murray (brian-murray)

** Description changed:

+ [Impact]
+ update-manager is crashing frequently causing a bad user experience.
+ 
+ [Test Case]
+ The crash happens when an AssertionError is raised in MyCache but I haven't 
figure out how to recreate that. So here's a way to force an assertion error.
+ 
+ 1) edit the MyCache class's __init__ function (found in 
UpdateManager/Core/MyCache.py) to 'raise AssertionError' which will simulate 
having a dirty journal or broken packages
+ 2) run update-manager and observe the Traceback in comment #1
+ 
+ Additionally, we can use the bucket in the Error Tracker to confirm that
+ there are no crashes with the version of the package from -proposed.
+ 
+ [Regression Potential]
+ 
+ Original Description
+ --------------------
  The Ubuntu Error Tracker has been receiving reports about a problem regarding 
update-manager.  This problem was most recently seen with package version 
1:19.04.5, the problem page at 
https://errors.ubuntu.com/problem/1bcfccc6ceab83c6e401f14c655c1cd5045be5d4 
contains more details, including versions of packages affected, stacktrace or 
traceback, and individual crash reports.
  If you do not have access to the Ubuntu Error Tracker and are a software 
developer, you can request it at http://forms.canonical.com/reports/.

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https://bugs.launchpad.net/bugs/1826213

Title:
  /usr/bin/update-manager:AttributeError:/usr/bin/update-
  manager@118:start_update:start_available:refresh_cache:update

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