[CRIU] Newbie Install Question

[Marcos Lilljedahl]

AFAIK seccomp support only works from 4.2 onwards. Regarding dirty tracking
I can't remember how to check it but you can check how CRIU runs the check.

sent from mobile
4.1.16 custom,.

Any ideas which flags they are?  running on ARMv7 hardware here :-)

Ashley

On 30 Jan 2016, at 21:16, Marcos Lilljedahl <marcosnils at gmail.com> wrote:

Which kernel version are you running?.

Make sure that dirty tracking and seccomp is enabled. Apart from that you
should be OK.

sent from mobile
On Jan 30, 2016 6:11 PM, "Ash Clark" <ashwclark at gmail.com> wrote:

> I appear to be a few steps forward…
>
> sudo criu check —ms reveals:
>
> [root at kube-worker01 alarm]# criu check --ms
> Warn  (cr-check.c:624): Skipping PTRACE_O_SUSPEND_SECCOMP check
> Warn  (cr-check.c:672): Skipping PTRACE_SECCOMP_GET_FILTER checkWarn
> (cr-check.c:696): Dirty tracking is OFF. Memory snapshot will not work.
> Looks good.
>
> Just concerned that there appears to be an issue wit sec comp and memory
> snapshot that may hurt further down the line.
>
> Running on a raspberry Pi 2 B+ with arch linux and kubernetes.  Trying to
> get p.haul to work is the underlying task
>
> Ashley
>
> On 30 Jan 2016, at 21:09, Marcos Lilljedahl <marcosnils at gmail.com> wrote:
>
> Ash what so you get with sudo CRIU check -ms?
>
> sent from mobile
> On Jan 30, 2016 5:46 PM, "Ash Clark" <ashwclark at gmail.com> wrote:
>
>> Hi,
>>
>> Trying to set up CRIU on arch linux / ARMv7 platform.
>>
>> I have compiled a custom kernel with the noted requirements in the
>> documentation, but when I run criu check, I receive the following:
>>
>> criu]# criu check
>> Error (libnetlink.c:37): ERROR -2 reported by netlink (No such file or
>> directory)
>> Error (libnetlink.c:37): ERROR -2 reported by netlink (No such file or
>> directory)
>> Error (libnetlink.c:37): ERROR -2 reported by netlink (No such file or
>> directory)
>> Error (libnetlink.c:37): ERROR -2 reported by netlink (No such file or
>> directory)
>> 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.
>> Error (tun.c:59): Can't check tun support: No such file or directory
>>
>> If anyone can help, I would be entirely grateful.
>>
>> Thanks
>>
>> Ashley
>>
>> _______________________________________________
>> CRIU mailing list
>> CRIU at openvz.org
>> https://lists.openvz.org/mailman/listinfo/criu
>>
>>
>
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