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[Bug 1694438] [NEW] [16.04] Cannot download packages whilst offline - when using ifupdown

To: group.of.nepali.translators@xxxxxxxxxxxxxxxxxxx
From: Martin Pitt <martin.pitt@xxxxxxxxxx>
Date: Tue, 30 May 2017 13:27:19 -0000
Reply-to: Bug 1694438 <1694438@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

Public bug reported:

I am using 16.04 with the main ethernet interface being managed by
ifupdown, and others by NetworkManager. Apparently PK's
pk_network_get_network_state() does not properly recognize this and
thinks it is offline:

# pkcon update
Getting updates               [=========================]         
[...]
Fatal error: Cannot download packages whilst offline

A workaround is to change /etc/NetworkManager/NetworkManager.conf
[ifupdown] managed= from "false" to "true", then "eth0" appears in
"nmcli d" and PackageKit is happy.

In 17.04 this is no problem any more, PackageKit works out of the box
with the same ifupdown configuration and managed=false. Interestingly,
"nmcli d" shows

eth0        ethernet  unmanaged  --

there, while eth0 is entirely absent in 16.04. There doesn't seem to be
an nmcli command to show what PackageKit looks at; the closest is "nmcli
g" but in all three cases above that says

STATE      CONNECTIVITY  WIFI-HW  WIFI     WWAN-HW  WWAN    
connected  full          enabled  enabled  enabled  enabled

** Affects: packagekit (Ubuntu)
     Importance: Undecided
         Status: Fix Released

** Affects: packagekit (Ubuntu Xenial)
     Importance: Undecided
         Status: New

** Also affects: packagekit (Ubuntu Xenial)
   Importance: Undecided
       Status: New

** Changed in: packagekit (Ubuntu)
       Status: New => Fix Released

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Matching subscriptions: Ubuntu 16.04 Bugs
https://bugs.launchpad.net/bugs/1694438

Title:
  [16.04] Cannot download packages whilst offline - when using ifupdown

Status in packagekit package in Ubuntu:
  Fix Released
Status in packagekit source package in Xenial:
  New

Bug description:
  I am using 16.04 with the main ethernet interface being managed by
  ifupdown, and others by NetworkManager. Apparently PK's
  pk_network_get_network_state() does not properly recognize this and
  thinks it is offline:

  # pkcon update
  Getting updates               [=========================]         
  [...]
  Fatal error: Cannot download packages whilst offline

  A workaround is to change /etc/NetworkManager/NetworkManager.conf
  [ifupdown] managed= from "false" to "true", then "eth0" appears in
  "nmcli d" and PackageKit is happy.

  In 17.04 this is no problem any more, PackageKit works out of the box
  with the same ifupdown configuration and managed=false. Interestingly,
  "nmcli d" shows

  eth0        ethernet  unmanaged  --

  there, while eth0 is entirely absent in 16.04. There doesn't seem to
  be an nmcli command to show what PackageKit looks at; the closest is
  "nmcli g" but in all three cases above that says

  STATE      CONNECTIVITY  WIFI-HW  WIFI     WWAN-HW  WWAN    
  connected  full          enabled  enabled  enabled  enabled

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