[Bug 1556177] Re: After Ubuntu16.04 VM installation on brazos LPAR, Network does not come up
Mathieu Trudel-Lapierre
mathieu.tl at gmail.com
Mon Apr 4 14:45:05 UTC 2016
Marking as Fix Released since it was reported working correctly by the
reporter.
** Changed in: netcfg (Ubuntu)
Status: Incomplete => Fix Released
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https://bugs.launchpad.net/bugs/1556177
Title:
After Ubuntu16.04 VM installation on brazos LPAR, Network does not
come up
Status in netcfg package in Ubuntu:
Fix Released
Bug description:
Problem Description
==========================
I am trying to install Ubuntu16.04 (vdvd installation ) on Brazos LPAR.I configured network manually while installation and still network does not come up after installation.
ubuntu at ltcbrazos2-lp15:~$ uname -a
Linux ltcbrazos2-lp15 4.4.0-4-generic #19-Ubuntu SMP Fri Feb 5 17:36:21 UTC 2016 ppc64le ppc64le ppc64le GNU/Linux
ubuntu at ltcbrazos2-lp15:~$ ping google.com
ping: unknown host google.com
ubuntu at ltcbrazos2-lp15:~$ ping 9.114.13.132
connect: Network is unreachable
ubuntu at ltcbrazos2-lp15:~$ cat /etc/resolv.conf
# Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
# DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
nameserver 9.3.1.200
search aus.stglabs.ibm.com
ubuntu at ltcbrazos2-lp15:~$ ifconfig
eth0 Link encap:Ethernet HWaddr 82:15:71:a8:04:02
inet6 addr: fe80::8015:71ff:fea8:402/64 Scope:Link
inet6 addr: 2002:903:15f:550:8015:71ff:fea8:402/64 Scope:Global
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:3034 errors:0 dropped:12 overruns:0 frame:0
TX packets:8 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:250348 (250.3 KB) TX bytes:672 (672.0 B)
Interrupt:19
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:160 errors:0 dropped:0 overruns:0 frame:0
TX packets:160 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:11840 (11.8 KB) TX bytes:11840 (11.8 KB)
Steps to Reproduce
==================================
Select configure network manually
??????????????????????? [!!] Configure the network ????????????????????????
? ?
? From here you can choose to retry DHCP network autoconfiguration ?
? (which may succeed if your DHCP server takes a long time to respond) ?
? or to configure the network manually. Some DHCP servers require a ?
? DHCP hostname to be sent by the client, so you can also choose to ?
? retry DHCP network autoconfiguration with a hostname that you ?
? provide. ?
? ?
? Network configuration method: ?
? ?
? Retry network autoconfiguration ?
? Retry network autoconfiguration with a DHCP hostname ?
? Configure network manually ?
? ?
? Do not configure the network at this time ?
? ?
? <Go Back> ?
? ?
???????????????????????????????????????????????????????????????????????????
<Tab> moves; <Space> selects; <Enter> activates buttons
??????????????????? [!!] Configure the network ????????????????????
? ?
? The IP address is unique to your computer and may be: ?
? ?
? * four numbers separated by periods (IPv4); ?
? * blocks of hexadecimal characters separated by colons (IPv6). ?
? ?
? You can also optionally append a CIDR netmask (such as "/24"). ?
? ?
? If you don't know what to use here, consult your network ?
? administrator. ?
? ?
? IP address: ?
? ?
? 9.40.195.159___________________________________________________ ?
? ?
? <Go Back> <Continue> ?
? ?
???????????????????????????????????????????????????????????????????
<Tab> moves; <Space> selects; <Enter> activates buttons
?????????????????????? [!!] Configure the network ??????????????????????
? ?
? The netmask is used to determine which machines are local to your ?
? network. Consult your network administrator if you do not know the ?
? value. The netmask should be entered as four numbers separated by ?
? periods. ?
? ?
? Netmask: ?
? ?
? 255.255.255.0_______________________________________________________ ?
? ?
? <Go Back> <Continue> ?
? ?
????????????????????????????????????????????????????????????????????????
<Tab> moves; <Space> selects; <Enter> activates buttons
?????????????????????? [!!] Configure the network ???????????????????????
? ?
? The gateway is an IP address (four numbers separated by periods) that ?
? indicates the gateway router, also known as the default router. All ?
? traffic that goes outside your LAN (for instance, to the Internet) is ?
? sent through this router. In rare circumstances, you may have no ?
? router; in that case, you can leave this blank. If you don't know ?
? the proper answer to this question, consult your network ?
? administrator. ?
? ?
? Gateway: ?
? ?
? 9.40.195.1___________________________________________________________ ?
? ?
? <Go Back> <Continue> ?
? ?
?????????????????????????????????????????????????????????????????????????
<Tab> moves; <Space> selects; <Enter> activates buttons
?????????????????????? [!!] Configure the network ???????????????????????
? ?
? The name servers are used to look up host names on the network. ?
? Please enter the IP addresses (not host names) of up to 3 name ?
? servers, separated by spaces. Do not use commas. The first name ?
? server in the list will be the first to be queried. If you don't want ?
? to use any name server, just leave this field blank. ?
? ?
? Name server addresses: ?
? ?
? 9.3.1.200____________________________________________________________ ?
? ?
? <Go Back> <Continue> ?
? ?
?????????????????????????????????????????????????????????????????????????
<Tab> moves; <Space> selects; <Enter> activates buttons
??????????????????????? [!] Configure the network ???????????????????????
? ?
? Please enter the hostname for this system. ?
? ?
? The hostname is a single word that identifies your system to the ?
? network. If you don't know what your hostname should be, consult your ?
? network administrator. If you are setting up your own home network, ?
? you can make something up here. ?
? ?
? Hostname: ?
? ?
? ltcbrazos2-lp15______________________________________________________ ?
? ?
? <Go Back> <Continue> ?
? ?
?????????????????????????????????????????????????????????????????????????
== Comment: #9 - Vaishnavi Bhat <vaish123 at in.ibm.com> - ==
After the machine is installed,
root at ltcbrazos2-lp15:/var/log# cat /run/network/ifstate
eth0=eth0
lo=lo
root at ltcbrazos2-lp15:/var/log# cat /etc/network/interfaces
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
source /etc/network/interfaces.d/*
# The loopback network interface
auto lo
iface lo inet loopback
# The primary network interface
# This is an autoconfigured IPv6 interface
auto eth0
iface eth0 inet6 auto
# dns-* options are implemented by the resolvconf package, if installed
dns-nameservers 9.3.1.200
dns-search aus.stglabs.ibm.com
== Comment: #10 - Vaishnavi Bhat <vaish123 at in.ibm.com> - ==
> auto eth0
> iface eth0 inet6 auto
> # dns-* options are implemented by the resolvconf package, if installed
> dns-nameservers 9.3.1.200
> dns-search aus.stglabs.ibm.com
During the installation, eth0 is being assigned to the static IP address provided but after the boot, eth0 is being assigned to some IPv6 address. Also, it shows the type 'auto' instead of static.
Mirroring this over to Canonical.
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