[CRIU] criu_restore() in Open MPI problems

[Pavel Emelyanov]

On 03/18/2014 09:03 PM, Adrian Reber wrote:
> Now that dumping works from Open MPII am trying to restore.
> Right now it fails with:
> 
> (00.000119) TCP queue memory limits are 2097152:3145728
> (00.000303) cpu: fpu:1 fxsr:1 xsave:1
> (00.000399) vdso: Parsing at 7fff84c27000 7fff84c29000
> (00.000407) vdso: Base address ffffffffff700000
> (00.000440) Reading image tree
> (00.000468) Migrating process tree (GID 25983->29676 SID 9042->29676)
> (00.000475) Will restore in 0 namespaces
> (00.000479) NS mask to use 0
> (00.000487) Collecting 41/21 (flags 0)
> (00.000514)  `- ... done
> (00.000520) Error (tty.c:1213): tty: Standard stream is not a terminal, aborting
> 
> I am not sure what this really means, but I suspect it has to do
> something with dumping with criu_set_shell_job(true) and restoring from
> inside a program instead of the command line. Running the command line

Do you run it with the -j option?

> tool instead of the criu_restore() works much better but fails in the
> end with:
> 
> pie: Restoring EXE link
> pie: Restoring scheduler params 0.0.0
> pie: 25983: Restored
> pie: Error (pie/restorer.c:277): Thread pid mismatch 25986/25985

Does it _always_ ends up like this? This means that we've failed to obtain
the desired pid and task was created with another one.

> pie: Error (pie/restorer.c:313): Restorer abnormal termination for 259>
> pie: 83
> (00.019492) Error (cr-restore.c:1602): Restoring FAILED.
> 
> 
> What can I do to fix the first error(Standard stream is not a terminal).
> 
> 		Adrian
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