[CRIU] Live migration failure with mistmatch sid/pgid

[Nam Ninh]

On Thu, Feb 19, 2015 at 3:30 PM, Pavel Emelyanov <xemul at parallels.com>
wrote:

> On 02/19/2015 11:24 PM, Nam Ninh wrote:
> >
> >
> > On Thu, Feb 19, 2015 at 2:35 PM, Pavel Emelyanov <xemul at parallels.com
> <mailto:xemul at parallels.com>> wrote:
> >
> >     On 02/19/2015 10:25 PM, Nam Ninh wrote:
> >     > On Thu, Feb 19, 2015 at 2:13 PM, Pavel Emelyanov <
> xemul at parallels.com <mailto:xemul at parallels.com> <mailto:
> xemul at parallels.com <mailto:xemul at parallels.com>>> wrote:
> >     >
> >     >     On 02/19/2015 10:03 PM, Nam Ninh wrote:
> >     >     > Please find attached restore.log when I run
> >     >     > criu restore -d --images-dir /tmp/images -o restore.log
> >     >     >
> >     >     > The content of pstree.img shows:
> >     >     >
> >     >     > root at 128:~# criu show -f /tmp/images/pstree.img
> >     >     > pid: 1251 ppid: 0 pgid: 1251 sid: 950 threads: 1251
> >     >     > pid: 1290 ppid: 1251 pgid: 1251 sid: 950 threads: 1290
> >     >     >
> >     >
> >     >     OK. How did you dump this tree? Did you use the -j/--shell-job
> option?
> >     >
> >     >
> >     > I dumped using this command:
> >     > criu dump -t 1251 --images-dir /tmp/images --shell-job
> --leave-stopped
> >
> >     Ah, I see. The -j option should be used on both stages -- dump and
> restore. Add one
> >     to your restore command, it should fix the sid mismatch issue.
> >
> >
> > It works when I have -j on both dump and restore. Thank you very much
> for your help.
>
> You're always welcome.
>
> > Should we update this page?
> > http://criu.org/Live_migration
> >
> > - "--tree <pid" is obsolete and add "-d" with restore
> > - Add a note to use -j on both dump and restore for shell job migration
>
> Well, shell jobs are not supposed to live migrate. But anyway, I don't
> mind updating :)
> Would you do it, or do you expect us to add this note?
>

Would you please go ahead and update it? Thanks.
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