Thank You On Thu, Sep 13, 2018 at 7:20 PM Launchpad Bug Tracker < 1791...@bugs.launchpad.net> wrote:
> This bug was fixed in the package update-manager - 1:18.10.8 > > --------------- > update-manager (1:18.10.8) cosmic; urgency=medium > > * Print transaction error and let the user try again applying updates > (LP: #1317164) > * Don't ask backend to do package operations aready done. > Aptdaemon cancels the transaction when asked to remove packages already > removed which results the failure being shown to the user. This > is unnecessary as update-manager can just filter the package > operations to > be done using a fresh cache and decrease the likelyhood of hitting > a race condition where packages to be removed are already removed. > (LP: #1791931) > > -- Balint Reczey <rbal...@ubuntu.com> Tue, 11 Sep 2018 13:40:57 +0200 > > ** Changed in: update-manager (Ubuntu) > Status: In Progress => Fix Released > > -- > You received this bug notification because you are subscribed to a > duplicate bug report (1763927). > https://bugs.launchpad.net/bugs/1791931 > > Title: > Update-manager crashes in _show_transaction due to packages being > already removed > > Status in update-manager package in Ubuntu: > Fix Released > > 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 shown to the user outdated.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 obtains a fresh cache and skips package operations that > would be obsolete and result an exception. > > [Test Case ] > > (with Bionic's package names) > * 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 > > [Regression Potential] > > * Too eager filtering could let packages not updated/not removed, but > the next run of update-manager would retry updating/removing them. > * Obtaining a fresh cache takes a ~100 milliseconds and the GUI may > freeze for that time. For this short time u-m could show itself busy but > IMO it would be more disturbing than the potentially not noticeable freeze. > > [Original bug text] > > The Ubuntu Error Tracker has been receiving reports about a problem > regarding update-manager. This problem was most recently seen with package > version 1:18.04.11.4, the problem page at > https://errors.ubuntu.com/problem/c4f194c0df19fca32a25eff8c633ad69fe9b5abb > 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/. > > To manage notifications about this bug go to: > > https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/1791931/+subscriptions > -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1791931 Title: Update-manager crashes in _show_transaction due to packages being already removed To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/1791931/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
