[Bug 828732] Re: please backport lxcguest to lucid

[Serge Hallyn]

Quoting Iain Lane (iain at orangesquash.org.uk):
> Hiya,
> 
> On Fri, Aug 19, 2011 at 02:36:52PM -0000, Serge Hallyn wrote:
> > Backporting lxc 0.7.5 would be great.  In order to compile on stock
> > lucid it needs a few packaging tweaks, resulting in the package which
> > built in the ubuntu-virt ppa: https://launchpad.net/~ubuntu-
> > virt/+archive/ppa/+files/lxc_0.7.5-0ubuntu4.10.04.1.dsc
> > 
> > The changes are simply to pull out dh-autoreconf, and set debhelper
> > version to 7 instead of 8.
> > 
> > lxcguest should then work in a lucid guest.  lxc itself will work with a
> > backported kernel, though it will refuse to run with the stock lucid
> > kernel.
> 
> If you want 0.7.5 then, in order to ensure a smooth upgrade path for
> users with -backports enabled, it'll need to go to M & N as well.

Ok.

> Can you test that the package builds, installs and runs on these
> releases and post any debdiffs required for the build?

Will do.

Is the pointer to the .dsc in my ppa sufficient, or do you want a debdiff
against the version in oneiric for lucid as well?

> Is an informative message printed when a newer kernel is required?

lxc-checkconfig will show:

Network namespace: missing

Attempting to start a container will show:

root at l1:~# lxc-start !*
lxc-start -n ssh1
lxc-start: failed to clone(0x6c020000): Invalid argument
lxc-start: Invalid argument - failed to fork into a new namespace
lxc-start: failed to spawn 'ssh1'
lxc-start: No such file or directory - failed to remove cgroup '/mnt/cgroups/cpu/ssh1'

It does not however explicitly say that a backported kernel will allow lxc
to work.

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https://bugs.launchpad.net/bugs/828732

Title:
  please backport lxcguest to lucid

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