server installation hangs upon retrying the auto network configuration

Bug #987761 reported by Para Siva on 2012-04-24
This bug affects 6 people
Affects Status Importance Assigned to Milestone
netcfg (Ubuntu)

Bug Description

The following is the step to reproduce,
1. Make sure the ethternet cable is unplugged
2. Start the installation
3. Follow the onscreen instructions untill the 'Network autoconfiguration failed' message appears
4. At this point insert the ethernet cable and select 'Retry network autoconfiguration' (the autoconfiguration this time should succeed)
5. Enter the host name and press enter
6. At this point there will be a blank screen and the installation hangs

Restart the installation after inserting the ethernet cable

Colin Watson (cjwatson) wrote :

I observed this in person. The problem seems to be that there are two rdnssd processes hanging around; kill those and the installation proceeds. Installations that don't go via "Retry network autoconfiguration" don't have this problem.

Changed in netcfg (Ubuntu):
status: New → Triaged
importance: Undecided → High
Vincent Fortier (th0ma7) wrote :

Having similar problem.

Extending the waiting time for DHCP netcfg/dhcp_timeout=120 (installation option) or ensure portfast is activated on the gigabit swtich will ensure dhcp works out properly. Otherwhise this happends on my x86_64 arch in both virtual and physical environments.

Effectively swthing into a shell on screen 2 I could find 2 instances of rdnssd:
10240 root 8696 S rdnssd -f -u root -r /tmp/rdnssd_resolv
10241 root 10796 S rdnssd -f -u root -r /tmp/rdnssd_resolv

Killing the first one allowed the installer to continue.

Para Siva (psivaa) on 2012-10-18
summary: - precise-server-i386 installation hangs upon retrying the auto network
- configuration
+ server installation hangs upon retrying the auto network configuration
description: updated
tags: added: quantal rls-q-incoming
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