[CRIU] does crtools work on ubuntu 14.04

[Marcos Lilljedahl]

Hi Peter,

Have you tried building latest criu from source and retrying?. I have no
idea which criu version is bundled with crtools for 14.04

Best,

Marcos.

On Sun, Oct 11, 2015 at 11:48 AM, Peter Harbo <peter.harbo at gmail.com> wrote:

> I apologize if this is the wrong place for this question - criu looked
> frankly like a dev mailing list to me but I don't know where else to post
> it.
>
> I wanted to checkpoint (dump) a process and restore it later (presumably
> after a reboot) and discovered that this functionality was added with the
> checkpoint-restore tools in the crtools package which is presented as a
> single utility.
>
> I tried
> crtools dump -t 3916
> Error (ptrace.c:75): Unseizeable non-zombie 3916 found, state S
> and assumed the user needed permissions I didn't have. Then I tried
>
> sudo crtools dump -t 3916
> Can't open self pagemapError (parasite-syscall.c:257): Parasite exited
> with 1
> Error (parasite-syscall.c:577): Dumping pages failed with 1
> Error (cr-dump.c:1506): Can't dump pages (pid: 3916) with parasite
>
> Has anyone succeeded in getting this to work? (Running ubuntu 14.04)
>
> The process in question is
>
>   grep foo
>
> and waiting for standard input.  I looked through the doc and it didn't
> correspond to the conditions which should cause a failure.  I installed
> crtools from the ubuntu repository.  I looked on ubuntuforums.org and
> couldn't find any comments about this.
>
> Peter Harbo.
>
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