[CRIU] Migration and Restart of http://criu.org/Simple_loop

[Pavel Emelyanov]

On 02/03/2015 02:25 PM, Thouraya TH wrote:

> *i try to migrate the imgDir on a new host:*
> 
> scp -r *imgDir *root@*g-80*.xxxxxxx:/home
> 
> root at g-80:/home# cd imgDir/
> root at g-80:/home/imgDir# ls
> cgroup.img      creds-1849.img  ext-files.img  filelocks.img  ids-1849.img   mm-1249.img    packetsk.img      pages-2.img      sigacts-1249.img  stats-dump
> core-1249.img   creds-1967.img  fanotify.img   fs-1249.img    ids-1967.img   mm-1849.img    pagemap-1249.img  pipes-data.img   sigacts-1849.img  timerfd.img
> core-1849.img   creds-1995.img  fdinfo-2.img   fs-1849.img    ids-1995.img   mm-1967.img    pagemap-1849.img  pipes.img        sigacts-1967.img  tty.img
> core-1967.img   dump.log        fdinfo-3.img   fs-1967.img    inetsk.img     mm-1995.img    pagemap-1967.img  pstree.img       sigacts-1995.img  tty-info.img
> core-1995.img   eventfd.img     fifo-data.img  fs-1995.img    inotify.img    netlinksk.img  pagemap-1995.img  reg-files.img    signalfd.img      tunfile.img
> creds-1249.img  eventpoll.img   fifo.img       ids-1249.img   inventory.img  ns-files.img   pages-1.img       remap-fpath.img  sk-queues.img     unixsk.img
> 
> 
> root at g-80:/home/imgDir# criu restore -d -vvv -o restore.log && echo OK

Same images? The --shell-job is not there again.

> (00.012355)   1249: cg: Move into 2
> (00.012371)   1249: Error (cgroup.c:907): cg: Can't move into blkio//user/0.user/1.session/tasks (-1/-1): No such file or directory
> (00.012405) Error (cr-restore.c:1838): Restoring FAILED.
> (00.018935) Error (cr-restore.c:1185): 1249 exited, status=1

This means, that there's no cgroup called blkio//user/0.user/1.session/tasks.
Can you check what the cgroups are on the source node, on the destination one
and what's there in the cgroup.img image?

Thanks,
Pavel