[CRIU] criu on alpine linux (docker for mac)

[Marcos Lilljedahl]

Hey Pavel,

I guess Ross should be using his underlying kernel as he's running docker?.
I guess I found where the problem might be

http://git.musl-libc.org/cgit/musl/tree/src/sched/sched_setscheduler.c

:D

On Tue, Jul 5, 2016 at 8:21 AM, Pavel Emelyanov <xemul at virtuozzo.com> wrote:

> On 07/05/2016 02:33 AM, Ross Boucher wrote:
> > Ahh yes, installing ip6tables did the trick. Here's the next failure
> after fixing that issue:
> >
> > https://gist.github.com/boucher/1113fdbc54293f9eaf96c84543c53174
>
>  Error (cr-dump.c:133): Can't get sched policy for 4200: Function not
> implemented
>
> This is sched_setscheduler(2) and call to it results in ENOSYS %)
> What kernel is there on Alpine?
>
> -- Pavel
>
> > -Ross
> >
> >
> > On Mon, Jul 4, 2016 at 2:19 PM Pavel Emelyanov <xemul at virtuozzo.com
> <mailto:xemul at virtuozzo.com>> wrote:
> >
> >     On 07/04/2016 02:30 AM, Ross Boucher wrote:
> >     > Thanks to Andrew's efforts I was able to build criu for alpine
> linux, and install it into the vm powering docker for mac, along with a
> docker binary that supports checkpoint/restore. Unfortunately it doesn't
> quite work yet. Here's the error I got:
> >     >
> >     > (00.095748) Lock network
> >     > (00.095756) Running network-lock scripts
> >     > (00.095762) RPC
> >     > (00.110768) Error (util.c:651): exec failed: No such file or
> directory
> >     > (00.111163) Error (util.c:665): exited, status=1
> >
> >     This is exec on iptables-restore and (probably) ip6tables-restore.
> >
> >     > Full log:
> https://gist.github.com/boucher/6c79b10abf40225d9bd779e3bff70f9d
> >     >
> >     > It seems like some runtime dependency may be missing? `ifconfig`,
> `iptables` and `ip` all
> >     > seem to be available. Any thoughts on what might be missing?
> >     >
> >     > -Ross
> >     >
> >     >
> >     >
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> >     >
> >
>
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