[CRIU] criu check --extra output and dump failure

[Brinkmann, Harald]

Hi Dmitry,

On Thu, 2017-04-20 at 15:00 +0300, Dmitry Safonov wrote:
> 2017-04-20 11:08 GMT+03:00 Brinkmann, Harald
> <Harald.Brinkmann at bst-international.com>:
> > On Wed, 2017-04-19 at 22:48 +0300, Dmitry Safonov wrote:
> >> 2017-04-19 15:26 GMT+03:00 Brinkmann, Harald
> >> <Harald.Brinkmann at bst-international.com>:
> >>
> >> > The bad news is that I still cannot successfully run that "Simple
> >> > Loop"-example, although the crash looks different:
> >> > (...)
> >>
> >> Hmm, so from dmesg and logs I don't see obvious reasons, why
> >> it has crashed. All looks quite normal (except PC) :-/
> >>
> >> Could you send me your parasite.built-in.o - so I'll dissect it with gdb/etc?
> >> Crashdump may be also useful.
> >
> > Done.
> >
> > These should be from the same test run as the stuff above and
> > yesterday's attachments.
>
> Hi Harald,
>
> So the fun thing - is that dumping worked on RPI2 with your parasite blob :)
> I've double checked, that criu loaded your parasite in a task.
>
> As your parasite is compiled with THUMB mode, could you check that
> your kernel has CONFIG_ARM_THUMB enabled?
>
> To make sure that the issue here is no more in parasite, but in
> environment/kernel/criu/etc, could you make test with parasite blob from
> my compilation?
> Just replace criu/pie/parasite.built-in.o with mine and run `make` - so
> it'll regenerate parasite-blob.h header.

Yes, CONFIG_ARM_THUMB is enabled. Just to make sure I haven't missed
anything else, I am attaching the complete kernel config file.

I did use your blob and the same thing happens. :-( Not sure whether
that was expected, though.


--

Harald

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