[Devel] Re: lxc-start fails on clone(child_stack=0, flags=CLONE_NEWNS|0x6c000000|SIGCHLD) = -1 EINVAL (Invalid argument)

[Serge E. Hallyn]

Quoting Miguel F Mascarenhas Sousa Filipe (miguel.filipe at gmail.com):
> Hello,
> 
> I'm trying to play with lxc, but I'm unable to start a container
> created with lxc-debian in two diferent linux systems I have.
> 
> linux-2.6.29-gentoo-r5 x86_64.
> linux-2.6.28-11-generic ubuntu x86_64.

I suspect the problem is that your kernel (especially the ubuntu
one) is compiled without CONFIG_NET_NS=y.

> clone(child_stack=0, flags=CLONE_NEWNS|0x6c000000|SIGCHLD) = -1 EINVAL

You are sending clone the flags LCON_NEWNS, CLONE_NEWNET, CLONE_NEWPID,
CLONE_NEWUTS and CLONE_NEWIPC.  Of those, CLONE_NEWNET is the newest
one.

Are you free to recompile your kernel?

thanks,
-serge
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