[CRIU] PID mismatch problem

[Federico Reghenzani]

Hi all,

I've a strange problem trying to restore an image.

Trying to execute "criu restore -D directory" with the same image I get
different error messages. In particular sometimes it tells me:

*  5485: Error (cr-restore.c:1499): Pid 5488 do not match expected 5487*
*  5485: Error (cr-restore.c:1262): 5488 exited, status=1*
*Killed*


other times tells me:

*  5485: Error (tty.c:531): tty: Unable to open dev/ptmx with specified
index 0*
*  5485: Error (tty.c:917): tty: Can't open a (index 0): Bad file
descriptor*
*Error (files-reg.c:445):  `- XFail [/dev/shm/open_mpi.0000.cr.1.ghost]
ghost: No such file or directory*
*Error (cr-restore.c:1995): Restoring FAILED.*


Note that in the first case I have no active process with that PID, and all
other processes have PID under 1000.

CRIU version: 1.8

criu check output:


*Error (cr-check.c:634): Kernel doesn't support PTRACE_O_SUSPEND_SECCOMP*
*Error (cr-check.c:683): Dumping seccomp filters not supported:
Input/output error*
*Warn  (cr-check.c:696): Dirty tracking is OFF. Memory snapshot will not
work.*



Thank you in advance, any help would be appreciated.

Cheers,
Federico

__
Federico Reghenzani
M.Eng. Student @ Politecnico di Milano
Computer Science and Engineering
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