Comment 26 for bug 995165
Revision history for this message
| Maurice Johnson (103730258b) wrote Re: [Bug 995165] Re: IPv4 connectivity broken after installing from ubuntu-12.04-alternate-amd64.iso | #26 |
© 2004
Canonical Ltd.
•
Terms of use
•
Data privacy
•
Contact Launchpad Support
•
Blog
•
Careers
•
System status
•
73416ba
(Get the code!)
Thanks for taking the time to respond to my email. I would have solved this
issue had I had direct internet connection. Unfortunately for me the only
connections I have had access to lately is "wifi" via coffee houses! I plan
to get with a direct connection so that I could access to updates! If I
have any more trouble I'll send you an email.
Thanks,
On Tue, Nov 5, 2013 at 7:24 PM, Mathieu Trudel-Lapierre <
<email address hidden>> wrote:
> ** Description changed:
>
> [Impact]
> IPv6 is becoming increasingly popular and installations on IPv6-ready
> networks are becoming more frequent; this issue affects installations of
> the Desktop image from the alternate image (or using d-i in any other way)
> when IPv6 autoconfiguration or DHCPv6 is used. These installations will
> fail to recognize that the interface should be managed by NetworkManager
> after the installation because only the "iface X inet dhcp" line would be
> commented out, leaving another valid "iface X" line for "inet6" causing
> NetworkManager to ignore the device. The solution was to comment out all
> lines in /etc/network/
> "iface X inet", and "iface X inet6".
> -
>
> [Test Case]
> 1a) With IPv6 autoconfiguration (for example, using radvd) or DHCPv6
> available on the network:
> 1b) With no IPv6 available on the network:
> 2) Install Ubuntu from the alternate CD; or using d-i via a netboot
> image.
> 3) After the installation:
> - a) Verify that NetworkManager properly handles all interfaces.
> - b) Verify that the network interfaces configuration is commented out in
> /etc/network/
> -
> + a) Verify that NetworkManager properly handles all interfaces.
> + b) Verify that the network interfaces configuration is commented out in
> /etc/network/
>
> [Regression Potential]
> Untypical configurations may find devices that should be ignored by
> NetworkManager to be handled by it. Standard installations could fail to
> comment the necessary information from /etc/network/
> NetworkManager to do is job; or the file could be mangled to remove the
> "lo" interface, which would make unrelated services fail.
>
> ---
>
> To reproduce:
> - - Download ubuntu-
> f8d54df0afbab6a
> + - Download ubuntu-
> - Burn it to a USB flash drive from a completely up-to-date Ubuntu 10.04
> LTS with UNetbootin
> - Install on a machine with both IPv4 and IPv6 connectivity
> - Log in to the newly installed system
>
> Current behaviour:
> - There is no IPv4 connectivity
> - NetworkManager doesn't show the wired interface in its dropdown
>
> Expected behaviour:
> - There is IPv4 connectivity
> - NetworkManager does show the wired interface in its dropdown
>
> Thoughts:
> I suspect this is because during the install my /etc/network/
> was created like so:
> ---BEGINS---
> # This file describes the network interfaces available on your system
> # and how to activate them. For more information, see interfaces(5).
>
> # The loopback network interface
> auto lo
> iface lo inet loopback
>
> # The primary network interface
> auto eth0
> iface eth0 inet dhcp
> # This is an autoconfigured IPv6 interface
> iface eth0 inet6 auto
> ---ENDS---
>
> Then network-
> file to comment out a single line like so:
> #NetworkManager
>
> i.e. the line
> iface eth0 inet6 auto
> remains intact
>
> This means that the /etc/network/
> connectivity but not IPv4 connectivity. Furthermore, because there is
> an uncommented iface eth0 inet6 line, NetworkManager doesn't show me the
> interface in its dropdown.
>
> To fix:
> - The regular expression needs to be changed so that the iface eth0
> inet6 auto line is also commented out
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https:/
>
> Title:
> IPv4 connectivity broken after installing from ubuntu-
> amd64.iso
>
> Status in “network-manager” package in Ubuntu:
> Fix Released
> Status in “network-manager” source package in Precise:
> Fix Released
>
> Bug description:
> [Impact]
> IPv6 is becoming increasingly popular and installations on IPv6-ready
> networks are becoming more frequent; this issue affects installations of
> the Desktop image from the alternate image (or using d-i in any other way)
> when IPv6 autoconfiguration or DHCPv6 is used. These installations will
> fail to recognize that the interface should be managed by NetworkManager
> after the installation because only the "iface X inet dhcp" line would be
> commented out, leaving another valid "iface X" line for "inet6" causing
> NetworkManager to ignore the device. The solution was to comment out all
> lines in /etc/network/
> "iface X inet", and "iface X inet6".
>
> [Test Case]
> 1a) With IPv6 autoconfiguration (for example, using radvd) or DHCPv6
> available on the network:
> 1b) With no IPv6 available on the network:
> 2) Install Ubuntu from the alternate CD; or using d-i via a netboot
> image.
> 3) After the installation:
> a) Verify that NetworkManager properly handles all interfaces.
> b) Verify that the network interfaces configuration is commented out in
> /etc/network/
>
> [Regression Potential]
> Untypical configurations may find devices that should be ignored by
> NetworkManager to be handled by it. Standard installations could fail to
> comment the necessary information from /etc/network/
> NetworkManager to do is job; or the file could be mangled to remove the
> "lo" interface, which would make unrelated services fail.
>
> ---
>
> To reproduce:
> - Download ubuntu-
> - Burn it to a USB flash drive from a completely up-to-date Ubuntu 10.04
> LTS with UNetbootin
> - Install on a machine with both IPv4 and IPv6 connectivity
> - Log in to the newly installed system
>
> Current behaviour:
> - There is no IPv4 connectivity
> - NetworkManager doesn't show the wired interface in its dropdown
>
> Expected behaviour:
> - There is IPv4 connectivity
> - NetworkManager does show the wired interface in its dropdown
>
> Thoughts:
> I suspect this is because during the install my /etc/network/
> was created like so:
> ---BEGINS---
> # This file describes the network interfaces available on your system
> # and how to activate them. For more information, see interfaces(5).
>
> # The loopback network interface
> auto lo
> iface lo inet loopback
>
> # The primary network interface
> auto eth0
> iface eth0 inet dhcp
> # This is an autoconfigured IPv6 interface
> iface eth0 inet6 auto
> ---ENDS---
>
> Then network-
> file to comment out a single line like so:
> #NetworkManager
>
> i.e. the line
> iface eth0 inet6 auto
> remains intact
>
> This means that the /etc/network/
> connectivity but not IPv4 connectivity. Furthermore, because there is
> an uncommented iface eth0 inet6 line, NetworkManager doesn't show me
> the interface in its dropdown.
>
> To fix:
> - The regular expression needs to be changed so that the iface eth0
> inet6 auto line is also commented out
>
> To manage notifications about this bug go to:
>
> https:/
>