[Bug 1826177] Re: Upgrader has very long answer times, finally it crashes

[Wolfgang Jansen]

On 4/24/19 4:47 PM, Brian Murray wrote:
> The upgrade failed to calculate due to an error communicating with your
> mirror of the Ubuntu archive. From VarLogDistupgradeMainlog.txt:
>
> 2019-04-24 10:09:49,633 DEBUG Checking pkg: ubuntu-minimal
> 2019-04-24 10:09:49,635 DEBUG Checking pkg: ubuntu-standard
> 2019-04-24 10:09:49,636 DEBUG examining: 'deb ftp://ftp.fu-berlin.de/linux/ubuntu/ cosmic main restricted'
> 2019-04-24 10:09:49,637 DEBUG verifySourcesListEntry: deb ftp://ftp.fu-berlin.de/linux/ubuntu/ disco main restricted
> 2019-04-24 10:09:49,637 DEBUG url_downloadable: ftp://ftp.fu-berlin.de/linux/ubuntu//dists/disco/Release
> 2019-04-24 10:09:49,637 DEBUG s='ftp' n='ftp.fu-berlin.de' p='/linux/ubuntu//dists/disco/Release' q='' f=''
> 2019-04-24 10:09:49,996 DEBUG error from ftplib: '550 SIZE not allowed in ASCII mode'
> 2019-04-24 10:09:49,996 DEBUG entry '# deb ftp://ftp.fu-berlin.de/linux/ubuntu/ cosmic main restricted' was disabled (no Release file)
>
> I'd suggest switching to a different mirror of the Ubuntu archive or
> switching from ftp to http and see if the upgrade is then calculatable.
> Thanks!
>
> ** Changed in: ubuntu-release-upgrader (Ubuntu)
>         Status: New => Incomplete
>
> ** Summary changed:
>
> - Upgrader has very long answer times, finally it crashes
> + Upgrader has very long answer times, finally it stops
>
I changed the Ubuntu archive to "Server for Germany" (whatever this 
might be). Now upgrading worked fine.

Thanks for the hint!

-- 
Dr. Wolfgang Jansen
Lauenburger Straße 40
D-12169 Berlin

Tel: (+49) 0172 40 86 916
e-mail: wo.jansen at kabelmail.de

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https://bugs.launchpad.net/bugs/1826177

Title:
  Upgrader has very long answer times, finally it stops

Status in ubuntu-release-upgrader package in Ubuntu:
  Incomplete

Bug description:
  General info:
  - Linux version: 4.18.0-17-generic, x86_64
  - Ubuntu version: 18.10
  - Program: do-release-upgrade, version 18.10.11.6

  Very long answer times and crash point:
  Yesterday evening the update manager worked fine, then it informed me about the new release 19.04. Here I clicked "Upgrade" and the window vanished. After some minutes another window opened (titled "Release updater" or the like). Under the headline "Release notes" was an empty text field (from former upgrade actions I knew that there should be a short description of the new release) and it remained so for one hour or more. The long answer times were not caused by a slow internet connection: other internet accesses (e.g. television news) were at full speed. Then I suspended the computer and went sleeping. After resume this morning the text field was still empty and was filled with the expected contents after some minutes. So I clicked "Upgrade". Then answer times were faster, but still much slower than during former upgrades: a window stating that download is in progress, a window stating that something is missing (see below), may be more short-living windows (I do not remember precisely), then the window showing the upgrade progress. This window disappeared soon before I was able to read the actual upgrade state, then message apporter appeared. So the upgrader crashed at a point that I cannot describe more precisely. 

  Missing prerequisite:
  I knew from former upgrade actions that during upgrading repositories other than Canonical's are discarded. In preparation of the actual upgrade I disabled most repositories: 
  only "Canonical partners (Source code)" had been preserved. The strict cleansing of repositories caused probably that something was not found (I do not know what, the window showing the error was closed too soon). I do not know whether the missing prerequisite caused the crash. 

  Resume:
  Meanwhile I read the release notes of version 19.04. The new things are not really exciting. Together with the bad experience of the upgrade process I would not like to upgrade anymore. Only the fact that the actual version 18.10 will be out-dated in a few months forces me to try upgrading again.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.10
  Package: ubuntu-release-upgrader-core 1:18.10.11.6
  ProcVersionSignature: Ubuntu 4.18.0-17.18-generic 4.18.20
  Uname: Linux 4.18.0-17-generic x86_64
  ApportVersion: 2.20.10-0ubuntu13.3
  Architecture: amd64
  CrashDB: ubuntu
  Date: Wed Apr 24 10:10:49 2019
  InstallationDate: Installed on 2016-09-02 (963 days ago)
  InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to cosmic on 2019-04-24 (0 days ago)
  VarLogDistupgradeAptlog:
   Log time: 2019-04-24 10:09:25.850986
   Log time: 2019-04-24 10:09:43.496649
   Log time: 2019-04-24 10:10:11.598693
   Log time: 2019-04-24 10:10:50.282843
  VarLogDistupgradeTermlog:

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