[CRIU] checkpoint/restore of an 32bit application on arm64

[Dmitry Safonov]

On Tue, 9 Oct 2018 at 14:53, Cyrill Gorcunov <gorcunov at gmail.com> wrote:
>
> On Tue, Oct 09, 2018 at 01:36:30PM +0200, andi wrote:
> > Hi all,
> >
> > I was wondering if anyone has ever looked into the possibility of supporting CONFIG_COMPAT for arm?
>
> Hi Andi. None I know of is currently working on compat mode for arm.
>
> > P.S.: In case someone is wondering at what point the restore fails:
> >
> > (00.055449) pie: 376: Error (criu/pie/restorer.c:1482): sys_prctl(PR_SET_MM, PR_SET_MM_MAP) failed with -14
> > (00.055471) pie: 376: Error (criu/pie/restorer.c:1700): Restorer fail 376
> > (00.055515) Error (criu/cr-restore.c:2266): Restoring FAILED.
>
> Seems like it is EFAULT, so some value has been able to copy from userspace.
> Hard to tell what exactly is happening since someone with good arm knowledge
> is needed here.

Just for the reference another thread about it a year ago:
https://lists.openvz.org/pipermail/criu/2017-December/040025.html

-- 
             Dmitry