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

[Marcos Lilljedahl]

So,

I'm not familiarized with POSIX details but seems like here's the reason
why they've decided to do this?

http://git.musl-libc.org/cgit/musl/commit/src/sched/sched_setscheduler.c?id=1e21e78bf7a5c24c217446d8760be7b7188711c2

On Tue, Jul 5, 2016 at 8:34 AM, Pavel Emelyanov <xemul at virtuozzo.com> wrote:

> On 07/05/2016 02:25 PM, Marcos Lilljedahl wrote:
> > 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
>
> Yup, such a nice sched_setscheduler() implementation. But it's in glibc,
> not in the kernel.
>
> > :D
> >
> > On Tue, Jul 5, 2016 at 8:21 AM, Pavel Emelyanov <xemul at virtuozzo.com
> <mailto: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> <mailto:
> 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
> >     >     >
> >     >     >
> >     >     >
> >     >     > _______________________________________________
> >     >     > CRIU mailing list
> >     >     > CRIU at openvz.org <mailto:CRIU at openvz.org> <mailto:
> CRIU at openvz.org <mailto:CRIU at openvz.org>>
> >     >     > https://lists.openvz.org/mailman/listinfo/criu
> >     >     >
> >     >
> >
> >     _______________________________________________
> >     CRIU mailing list
> >     CRIU at openvz.org <mailto:CRIU at openvz.org>
> >     https://lists.openvz.org/mailman/listinfo/criu
> >
> >
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openvz.org/pipermail/criu/attachments/20160705/92d95d41/attachment.html>