[libvirt-users] Question about setns recognising in libvirt autoconf

[Gao feng]

On 12/09/2013 01:06 PM, hzguanqiang at corp.netease.com wrote:
> Hi experts,
>  
> When I test lxc container with lxc-enter-namespace command, It reported an error as
> following:
> root at debian:~/github/libvirt# vir lxc-enter-namespace lxc --noseclabel /bin/df -hl
> error: Cannot get namespaces for 3145: Function not implemented
>  
> It seems that setns is not supported by my kernel.
>  
> But from the following info, It seemed the reason is just libvirt/autoconf doesn't
> recgonise setns.
> root at debian:~/github/libvirt# grep setns /proc/kallsyms
> ffffffff8105b78b T SyS_setns
> ffffffff8105b78b T sys_setns
> root at debian:~/github/libvirt# ./configure | grep setns
> checking for setns... no
>  
> What the problem really is ? How can I fix this problem?

What's the result of grep -R "setns" /usr/include/*