[CRIU] few remaining s390 zdtm failures (for me)

[Michael Holzheu]

Am Tue, 8 Aug 2017 13:40:02 +0200
schrieb Adrian Reber <adrian at lisas.de>:

> Running on RHEL s390x I have few zdtm test cases failing which do not
> fail on x86_64 and ppc64le.
> 
>   * zdtm/static/vdso02(ns)
>   * zdtm/static/stopped(h)
>   * zdtm/static/stopped01(h)
>   * zdtm/static/stopped02(h)
>   * zdtm/static/stopped12(ns)
> 
> Error messages are all the same like:
> 
> (01.503563) cg: Set 1 is criu one
> (01.503686) Seized task 24, state 1
> (01.503715) Collected (4 attempts, 0 in_progress)
> (01.503728) Seized task 25, state 0
> (01.503912) Error (compel/src/lib/infect.c:180): SEIZE 25: task not stopped after seize
> (01.503921) Error (compel/src/lib/infect.c:309): Unable to detach from 25: No such process
> 
> All other tests are working. I guess I might be missing an
> s390x related backport on my 3.10.x kernel.
> 
> Any ideas which backports might be missing? Or what I need to look for?

Currently I don't have a clue which patch could be missing.

All I can say that on Ubuntu kernel 4.8.0-34 the tests work.

Michael