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Ran 30 Jun 2017 02:33AM UTC

Files 216

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Committed 30 Jun 2017 12:42AM UTC coverage: 65.153% (+0.004%) from 65.149%

Job # TR_ARCH=local GCOV=1

Build Type

cron

travis-ci

Committed by

avagin

Commit Message

pstree: Do not populate zero levels of task's pid

If task's pid were hashed before the task itself
(this may happen, when another task has sid or pgid
equal to this pid), the pid mustn't contain zero
levels. So, if pgid or sid has zero levels, we should
not add them.

Otherwise, session04 --iter 3 fails with:

=[log]=> dump/zdtm/static/session04/30/2/restore.log
------------------------ grep Error ------------------------
(01.858187)      6: Restoring children in our session:
(01.858206)      6: Forking task with 303 pid (flags 0x600)
(01.869893)      1: PID: real 145 virt 15
(01.870247)      1: Forking task with 20 pid (flags 0x0)
(01.872948) Error (criu/cr-restore.c:381): 0: Write -1 to sys/kernel/ns_last_pid: Invalid argument
(01.873030) Error (criu/namespaces.c:2664): Can't set next pid
(01.873103)      1: Error (criu/ns-common.c:46): Error answer
(01.873123)      1: Error (criu/cr-restore.c:404): Can't request next pid
(01.873135)      1: Error (criu/cr-restore.c:1321): Can't set next pid
(01.873310)      1: Error (criu/cr-restore.c:1434): Can't fork for 20: No such file or directory

Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Acked-by: Pavel Tikhomirov <ptikhomirov@virtuozzo.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>

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