Joseph, thanks and sorry I've been slow to respond.  I'd be happy to
assist with a bisect, in fact I already attempted to do this myself but
I seemed to have hit some problems along the way when selecting proper
starting and endpoints for the bisect, or using the wrong tree.  I've
even got a decent testing script that I could 'git bisect run' with,
given there aren't unexpected firmware issues.

I will see about using those two kernels when I get the free cycles.
But AFAICS from the testing I've already done:

-  Using Ubuntu kernels that have been published in the archive already,
the problem was introduced with the v3.4 packages/series.  Any  kernel
prior (that is 3.2.0-24.37 and prior) worked as expected, 3.4.0-1.1
failed.  I grabbed these kernel debs from publishing histroy @
https://launchpad.net/ubuntu/quantal/+source/linux.

- Using upstream kernels from the kernel-ppa, I was able to confirm that
the regression was introduced with v3.3.

I will hopefully have a chance to test the two specific kernels you
mention.  In the meantime, if you might be able to provide me with a git
repo + branch and the proper starting and endpoints to bisect between
3.2.0-24.37 and 3.3, I'd be happy to start doing the bisecting on my
own.

Thanks

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https://bugs.launchpad.net/bugs/1035172

Title:
  DHCP broken for Openstack Nova instances  since kernel v3.3

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