[Bug 1691834] Re: package golang-1.6-go 1.6.2-0ubuntu5~16.04 failed to install/upgrade: trying to overwrite '/usr/lib/go-1.6/src', which is also in package golang-1.6-race-detector-runtime 0.0+svn252922-0ubuntu1

[ChristianEhrhardt]

Hi Alan,
$ apt-get install golang-1.6-go golang-1.6-race-detector-runtime
works perfectly fine and /usr/lib/go-1.6/src is a symlink both packages own.
$ dpkg -S /usr/lib/go-1.6/src
golang-1.6-race-detector-runtime, golang-1.6-go: /usr/lib/go-1.6/src

I wonder if through "Ubuntu Software UI" would imply any sort of extra concurrency?
But then the apt lock would block that out.

I see that this happened on a bigger upgrade but it only seemed bigger
due to so many mono related packages being bumped t the same time.

Hrm - for now question #1 is - is this reproducible?
So:
- did golang still not upgrade?
- does the same show up on every try to upgrade it?

I agree that this might be related to the UI updater, but essentially
this is funneled through aptdaemon as seen in the DpkgHistoryLog. So for
now I'm adding an aptdaemon task, maybe the experts there know more.

For you please provide as much extra info that you can along the
questions above, but more if you can.

** Changed in: golang-1.6 (Ubuntu)
       Status: New => Incomplete

** Also affects: aptdaemon (Ubuntu)
   Importance: Undecided
       Status: New

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Title:
  package golang-1.6-go 1.6.2-0ubuntu5~16.04 failed to install/upgrade:
  trying to overwrite '/usr/lib/go-1.6/src', which is also in package
  golang-1.6-race-detector-runtime 0.0+svn252922-0ubuntu1

Status in aptdaemon package in Ubuntu:
  New
Status in golang-1.6 package in Ubuntu:
  Incomplete

Bug description:
  update through Ubuntu Software UI seems to fail on a folder lock.
  Through terminal works as expected.
  Do not believe the error is specific to this package, rather to the failure to release a folder lock when multiple packages are updated.

  ProblemType: Package
  DistroRelease: Ubuntu 16.04
  Package: golang-1.6-go 1.6.2-0ubuntu5~16.04
  ProcVersionSignature: Ubuntu 4.4.0-78.99-generic 4.4.62
  Uname: Linux 4.4.0-78-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.5
  Architecture: amd64
  Date: Thu May 18 20:14:28 2017
  DuplicateSignature:
   package:golang-1.6-go:1.6.2-0ubuntu5~16.04
   Unpacking golang-1.6-go (1.6.2-0ubuntu5~16.04.2) over (1.6.2-0ubuntu5~16.04) ...
   dpkg: error processing archive /var/cache/apt/archives/golang-1.6-go_1.6.2-0ubuntu5~16.04.2_amd64.deb (--unpack):
    trying to overwrite '/usr/lib/go-1.6/src', which is also in package golang-1.6-race-detector-runtime 0.0+svn252922-0ubuntu1
  ErrorMessage: trying to overwrite '/usr/lib/go-1.6/src', which is also in package golang-1.6-race-detector-runtime 0.0+svn252922-0ubuntu1
  InstallationDate: Installed on 2016-06-26 (326 days ago)
  InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
  RelatedPackageVersions:
   dpkg 1.18.4ubuntu1.2
   apt  1.2.20
  SourcePackage: golang-1.6
  Title: package golang-1.6-go 1.6.2-0ubuntu5~16.04 failed to install/upgrade: trying to overwrite '/usr/lib/go-1.6/src', which is also in package golang-1.6-race-detector-runtime 0.0+svn252922-0ubuntu1
  UpgradeStatus: No upgrade log present (probably fresh install)

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