[CRIU] CRIU in Docker for Mac
Ross Boucher
rboucher at gmail.com
Fri Jan 27 06:39:46 PST 2017
The Docker for Mac team seams interested in making this work, but they need
a working version in the alpine repo. (
https://github.com/docker/for-mac/issues/1059#issuecomment-275620373)
Who is the best person to talk to about this?
On Thu, Jan 26, 2017 at 3:31 PM Andrei Vagin <avagin at virtuozzo.com> wrote:
> On Thu, Jan 26, 2017 at 02:24:42PM +0000, Ross Boucher wrote:
> > Well, to be clear, this was just me running the same command travis
> does: make
> > -C scripts/travis $TR_ARCH
> > Should those flags be added to the script that actually runs the tests
> in that
> > makefile?
>
> Sure, I will add.
> >
> > On Wed, Jan 25, 2017 at 2:34 PM Andrei Vagin <avagin at virtuozzo.com>
> wrote:
> >
> > On Wed, Jan 25, 2017 at 06:50:32PM +0000, Ross Boucher wrote:
> > > Still fails:
> > >
> > > https://gist.github.com/boucher/220a9e955422d0b35f9cfe1abffbec14
> >
> >
> > """
> > (00.061531) Running network-lock scripts
> > modprobe: can't change directory to '/lib/modules': No such file or
> > directory
> > ip6tables-restore v1.6.0: ip6tables-restore: unable to initialize
> table
> > 'filter'
> >
> > Error occurred at line: 1
> > Try `ip6tables-restore -h' or 'ip6tables-restore --help' for more
> > information.
> > (00.110236) Error (criu/util.c:670): exited, status=2
> > """
> >
> > You have to load modules from the host:
> > modprobe xt_mark ip6_tables ip6table_filter nfnetlink
> nf_conntrack_netlink
> > nf_conntrack
> >
> > or you can use the next command:
> > docker run --rm -it --privileged -v /lib/modules:/lib/modules
> criu-alpine .
> > /test/zdtm.py run -t zdtm/static/env00
> >
> > >
> > > On Wed, Jan 25, 2017 at 1:46 PM Andrei Vagin <avagin at gmail.com>
> wrote:
> > >
> > > On Wed, Jan 25, 2017 at 10:39 AM, Ross Boucher <
> rboucher at gmail.com>
> > wrote:
> > > > Should I be applying those patches to your alpine branch or
> to
> > master? I
> > > see
> > > > they are already in your branch (the one built by travis,
> right?).
> > When I
> > > > build your branch, it compiles alright but the tests fail:
> > >
> > > There was an extra commit. Now I removed it and you can use the
> > alpine
> > > branch from my repo.
> > >
> > > Thanks,
> > > Andrei
> > >
> > > >
> > > > ========================== Run zdtm/static/env00 in h
> > > > ==========================
> > > > Start test
> > > > ./env00 --pidfile=env00.pid --outfile=env00.out --envname=
> > ENV_00_TEST
> > > > Run criu dump
> > > > =[log]=> dump/zdtm/static/env00/32/1/dump.log
> > > > ------------------------ grep Error ------------------------
> > > > (00.044957) Error (criu/util.c:670): exited, status=3
> > > > (00.057244) Error (compel/src/lib/infect-rpc.c:72): Command
> 66 for
> > daemon
> > > > failed with -1
> > > > (00.057276) Error (criu/mem.c:464): Can't dump page with
> parasite
> > > > (00.057702) Error (criu/cr-dump.c:1673): Dumping FAILED.
> > > > ------------------------ ERROR OVER ------------------------
> > > > ################### Test zdtm/static/env00 FAIL at CRIU dump
> > > > ###################
> > > > Send the 9 signal to 32
> > > > ##################################### FAIL
> > > > #####################################
> > > >
> > > >
> > > > On Wed, Jan 25, 2017 at 2:12 AM Andrei Vagin <
> avagin at virtuozzo.com>
> > > wrote:
> > > >>
> > > >> On Tue, Jan 24, 2017 at 07:37:50PM -0800, Andrei Vagin
> wrote:
> > > >> > On Tue, Jan 24, 2017 at 11:17:28PM +0000, Ross Boucher
> wrote:
> > > >> > > It seems that this function probably isn't implemented
> in
> > musl:
> > > >> > >
> > > >> > > https://git.musl-libc.org/cgit/musl/tree/src/sched/
> > > sched_getscheduler.c
> > > >> >
> > > >> > Uhuuuu. musl is so lightweight and fast!!!!!
> > > >> > https://git.musl-libc.org/cgit/musl/tree/src/sched/
> > sched_getparam.c
> > > >> >
> > > >> > Ross, could you try out this patch:
> > > >> >
> > > >> > https://github.com/avagin/criu/commit/
> > > 265e9fc138f98b742a68b6991225f28d3c99f9b5
> > > >>
> > > >> And you need one more patch:
> > > >>
> > > >> https://github.com/avagin/criu/commit/
> > > ff8777b3628eae6b7cc98c7b925cf88508dd3aa8
> > > >>
> > > >> With these two patches static/env00 passes on Alpine:
> > > >>
> > > >> https://travis-ci.org/avagin/criu/builds/195081973
> > > >>
> > > >> >
> > > >> > Thanks,
> > > >> > Andrei
> > > >> >
> > > >> > >
> > > >> > > Is there any hope for a workaround?
> > > >> > >
> > > >> > > On Tue, Jan 24, 2017 at 6:09 PM Ross Boucher <
> > rboucher at gmail.com>
> > > >> > > wrote:
> > > >> > >
> > > >> > > Installing ip6tables got a bit further, but now it
> seems
> > to fail
> > > >> > > possibly
> > > >> > > on sched_getscheduler:
> > > >> > >
> > > >> > > (00.032508) Error (criu/cr-dump.c:134): Can't get
> sched
> > policy
> > > for
> > > >> > > 2337:
> > > >> > > Function not implemented
> > > >> > >
> > > >> > > Full log:
> > > >> > > https://gist.github.com/boucher/
> > 5c8edcbf0c7f9d9e39ed1d74c09440e5
> > > >> > >
> > > >> > >
> > > >> > > On Tue, Jan 24, 2017 at 5:53 PM Ross Boucher <
> > rboucher at gmail.com
> > > >
> > > >> > > wrote:
> > > >> > >
> > > >> > > Hey everyone,
> > > >> > >
> > > >> > > Since checkpoint/restore has shipped in
> experimental
> > mode
> > > for
> > > >> > > Docker, I
> > > >> > > thought I'd try to get it working with Docker
> for Mac.
> > I
> > > think
> > > >> > > this
> > > >> > > should be possible, since it seems building for
> Alpine
> > linux
> > > >> > > has
> > > >> > > already been taken care of, but I haven't
> gotten it
> > working
> > > >> > > just yet.
> > > >> > >
> > > >> > > What I have done is install CRIU 2.9, from the
> apk
> > testing
> > > >> > > repository
> > > >> > > for alpine linux, in the d4m vm[1], then run a
> simple
> > > >> > > checkpoint on a
> > > >> > > busybox container. Here's the dump log:
> > > >> > >
> > > >> > >
> > > >> > > https://gist.github.com/boucher/
> > 2ac2de1d80ab59bce518d108ec8d0371
> > > >> > >
> > > >> > > Seems that some network script isn't working,
> but I'm
> > not
> > > sure
> > > >> > > if the
> > > >> > > log is telling me that its an RPC script.
> > > >> > >
> > > >> > > Thanis,
> > > >> > > Ross
> > > >> > >
> > > >> > >
> > > >> > > [1]: You can access the vm with screen:
> > > >> > >
> > > >> > > screen
> ~/Library/Containers/com.docker.docker/Data/
> > > >> > > com.docker.driver.amd64-linux/tty
> > > >> > >
> > > >> > >
> > > >> >
> > > >> > > _______________________________________________
> > > >> > > CRIU mailing list
> > > >> > > CRIU at openvz.org
> > > >> > > https://lists.openvz.org/mailman/listinfo/criu
> > > >> >
> > > >> > _______________________________________________
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> > > >
> > > >
> > > > _______________________________________________
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> > > >
> > >
> >
>
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