Thanks for the update. IT was my error / I never believe, i would get a
reply.

On Thu, Sep 13, 2018 at 11:25 AM Balint Reczey <email address hidden>
wrote:

> ** Changed in: update-manager (Ubuntu)
>        Status: In Progress => Fix Committed
>
> --
> You received this bug notification because you are subscribed to a
> duplicate bug report (1764746).
> https://bugs.launchpad.net/bugs/1317164
>
> Title:
>   Show reason of TransactionFailed and let the user try again instead of
>   crashing
>
> Status in update-manager package in Ubuntu:
>   Fix Committed
>
> Bug description:
>   [Impact]
>
>    * Update-manager crashes when it tries to remove a package that was
>   already removed since update-manager refreshed its cache. A typical
>   scenario is when the list of available packages is updated, then
>   update-manager pops up to notify the user about the updates. The user
>   is not in front of the screen and unattended-upgrades installs the
>   security updates and removes unused kernels making the list of updates
>   shown to the user outdated. User clicks "Install now" and update-
>   manager crashes.
>
>    * The fix shows the reason of the transaction failure then asks
>   offers the user to try again.
>
>   [Test Case ]
>    (with Bionic's package names)
>
>    * Revert the patch for LP: #1791931 since it shadows the issue by
>   filtering the package operations in advance.
>
>    * Install older kernel packages, downgrade a few packages and mark the
> kernels autoremovable:
>      $ sudo eatmydata apt install -y --allow-downgrades
> linux-headers-4.15.0-32 linux-headers-4.15.0-32-generic
> libpoppler73=0.62.0-2ubuntu2 poppler-utils=0.62.0-2ubuntu2 ; sudo
> /etc/kernel/postinst.d/apt-auto-removal ; sudo apt-mark auto
> linux-headers-4.15.0-32 linux-headers-4.15.0-32-generic
>
>    * Start update-manager in a different terminal and _don't_ start the
>   upgrade
>
>    * Remove kernel packages behind u-m's back:
>      $ sudo eatmydata apt remove -y linux-headers-4.15.0-32
>
>    * Start the update on update-manager's GUI and observe it not
>   crashing with the fixed version but showing the reason of the update
>   failing and offering trying it again.
>
>   [Regression Potential]
>
>    * Inaccurate exception handling could shadow other problems.
>
>   [Original bug text]
>
>   On errors.ubuntu.com there are multiple crashes reported about update-
>   manager that end in a Traceback like the following:
>
>   aptdaemon.errors.TransactionFailed: Transaction failed: The package
> system is broken
>    The following packages have unmet dependencies:
>
>   rhythmbox-plugin-magnatune: Depends: rhythmbox (= 3.0.2-0ubuntu2) but
>   3.0.2-0ubuntu1 is installed
>
>   Naturally, the package name varies. I don't believe these are actually
>   crashes about update-manager or aptdaemon. Rather there is something
>   wrong with the users package system. Subsequently, it'd be better if
>   these were not reported to the error tracker and clogging up the bug
>   lists.
>
> To manage notifications about this bug go to:
>
> https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/1317164/+subscriptions
>


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