[Bug 1874469] Re: [SRU] update-manger intermittently hangs during snap updates

[Timo Aaltonen]

Hello Marcus, or anyone else affected,

Accepted update-manager into focal-proposed. The package will build now
and be available at https://launchpad.net/ubuntu/+source/update-
manager/1:20.04.10 in a few hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, what testing has been
performed on the package and change the tag from verification-needed-
focal to verification-done-focal. If it does not fix the bug for you,
please add a comment stating that, and change the tag to verification-
failed-focal. In either case, without details of your testing we will
not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

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

** Tags added: verification-needed verification-needed-focal

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https://bugs.launchpad.net/bugs/1874469

Title:
  [SRU] update-manger intermittently hangs during snap updates

Status in update-manager package in Ubuntu:
  Fix Committed
Status in update-manager source package in Focal:
  Fix Committed

Bug description:
  [Impact]

  Every so often update-manager can hang during snap updates. When this
  occurs the application must be force closed.

  [Test Case]

  Repeating the following will eventually cause a hang on "Installing
  snap-store snap".

  `
  sudo apt -y install gnome-software
  sudo apt-mark auto gnome-software

  snap remove snap-store

  update-manager
  `

  [Regression Potential]

  The fix is trivial (see linked branch), in fact, GLib.idle_add() was
  applied correctly elsewhere, it was just missed here.

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