[Bug 848823] Re: if all interfaces are configured via NM, static-network-up emitted when only lo is configured

[Clint Byrum]

Discussed with Steve on IRC, and we confirmed that the assumption that
this is the rc-sysinit change is probably false. Prior to 11.10, the rc-
sysinit start on condition was

start on filesystem and net-device-up IFACE=lo

So in the case of a NetworkManager only system, runlevel 2 is reached at
precisely the same point as before.

My guess is that this has always been racing with network-manager, and
somewhere between 11.04 and 11.10, we changed things enough that rc-
sysinit + everything in /etc/rc2.d/S* before nfs-kernel-server overtook
network-manager, which does start very early (local-filesystems and
started dbus), so this seems quite feasible.

Since all listening is, by default, on 0.0.0.0 (::0 for ipv6) then I
have to wonder if you have it binding to a specific interface (possibly
py pssing -H some.host.name in /etc/default/nfs-kernel-server in
RPCNFSDOPTS).

If so, it may be preferrable for you to move the configuration of that
interface to /etc/network/interfaces to prevent this type of race
condition.

Either way, I don't believe this is due to the rc-sysinit change, so I'm
moving the status of this back to New, though keeping myself assigned.

** Changed in: ifupdown (Ubuntu)
       Status: Triaged => New

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https://bugs.launchpad.net/bugs/848823

Title:
  if all interfaces are configured via NM, static-network-up emitted
  when only lo is configured

Status in “ifupdown” package in Ubuntu:
  New

Bug description:
  For the last few weeks whenever I try to mount a nfs share from
  another machine, I get an access denied message from the server.

  once I restart via 'service nfs-kernel-server restart', then it starts
  working again. This is required atleast once per day.

  nfs server is running on fully updated 11.10 onieric
  clients are on 11.04 and 10.04

  I never experienced such issues prior to 11.10

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: nfs-kernel-server 1:1.2.4-1ubuntu2
  ProcVersionSignature: Ubuntu 3.0.0-10.16-generic 3.0.4
  Uname: Linux 3.0.0-10-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 1.22.1-0ubuntu2
  Architecture: amd64
  Date: Tue Sep 13 20:02:19 2011
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Alpha amd64 (20110803.1)
  SourcePackage: nfs-utils
  UpgradeStatus: Upgraded to oneiric on 2011-08-13 (31 days ago)

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