[Bug 1349488] [NEW] netcfg hangs during preseeded static network installation

[Nick Minkler]

Public bug reported:

I'm building a preseeded ISO of 14.04 Trusty Tahr and have set
dhcp_timeout to 1, along with disabling autoconfig, then setting and
accepting a static IP.  after this is completed netcfg appears to halt
for 30 seconds to 1 minute attempting to reach the gateway. I see 1 ARP
request to the gateway in the logs every second, and then after it tries
doing this over and over it finally continues install.

We were previously using Maverick, and this lockup did not occur if the
gateway was unreachable. There should be a configurable timeout option
for this to prevent lockups, or if the system is configured statically
it shouldn't even be attempting these lookups if that's possible.

** Affects: netcfg (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1349488

Title:
  netcfg hangs during preseeded static network installation

Status in “netcfg” package in Ubuntu:
  New

Bug description:
  I'm building a preseeded ISO of 14.04 Trusty Tahr and have set
  dhcp_timeout to 1, along with disabling autoconfig, then setting and
  accepting a static IP.  after this is completed netcfg appears to halt
  for 30 seconds to 1 minute attempting to reach the gateway. I see 1
  ARP request to the gateway in the logs every second, and then after it
  tries doing this over and over it finally continues install.

  We were previously using Maverick, and this lockup did not occur if
  the gateway was unreachable. There should be a configurable timeout
  option for this to prevent lockups, or if the system is configured
  statically it shouldn't even be attempting these lookups if that's
  possible.

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