[CRIU] crtools error checkpoint/restore error ("Unable to open pstree.img")

[Kevin Wilson]

Hello,
First I want to mention that I run as root.
Second, any idea what does it mean
"Can't checkpoint task running in compat mode" in this log ?

What is this "compat mode"?

Best,
Kevin



On Tue, Mar 26, 2013 at 7:25 PM, Cyrill Gorcunov <gorcunov at openvz.org> wrote:
> On Tue, Mar 26, 2013 at 09:23:26PM +0400, Cyrill Gorcunov wrote:
>> On Tue, Mar 26, 2013 at 07:18:46PM +0200, Kevin Wilson wrote:
>> > Hello,
>> > I added --tcp-established; now I run:
>> > ./crtools dump -x --tcp-established -v 4 -o dump.log -D checkpoint -t 809
>> >
>> > I get strange error:
>> > Can't get CS register: No such process
>>
>> There is a bunch of problems (including the fact that there are still unzeised
>> tasks), but main one -- we don't support 32bit tasks running in x86-64 kernel,
>> only native 64bit tasks.
>>
>> Could you please re-run checkpoint over native 64bit programs.
>
> crtools says in logs
>
> (00.315295) Collecting fds (pid: 940)
> (00.315305) ----------------------------------------
> (00.315474) Found 54 file descriptors
> (00.315487) ----------------------------------------
> (00.315673) Error (parasite-syscall.c:717): Can't checkpoint task running in compat mode
> (00.315689) Error (cr-dump.c:1286): Can't infect (pid: 940) with parasite