[lxc-users] Failure to start a container with 'lxc.seccomp' option set

[Serge Hallyn]

Quoting Nels Nelson (nels.n.nelson at gmail.com):
> Greetings list,-
> 
> When starting a container with any template to verify it works, and then
> modifying the generated configuration by adding the 'lxc.seccomp' option,
> and restarting the container, I get this error:
> 
>     # lxc-create -n test -t ubuntu
>     [ creates successfully ]
>     # lxc-start -n test -d
>     # lxc-attach -n test -- bash
>     root at test:/# exit
>     exit
>     # lxc-stop -n test
>     # echo 'lxc.seccomp = /tmp/whitelist' | tee -a /var/lib/lxc/test/config
>     lxc.seccomp = /tmp/whitelist
>     # lxc-start -n test -d

do 'lxc-start -n test -d -l trace -o debug.out' and attach debug.out,
along with /tmp/whitelist.

>     lxc-start: command get_cgroup failed to receive response
> 
> No combination or configuration of syscall enumerations in the whitelist
> appears to make any difference.
> 
> I am using version 1.0.3 of the lxc software which has been compiled with
> seccomp enabled.  My kernel is version 3.12.15.
> 
> Thanks,
> -Nels

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