[CRIU] Need Help on Android ARM64

[Abdullah Yousafzai]

Hello Christopher,

Prevosuly the kernel was configured. But now,

I am using Android L on Qemu aarch64, with a custom kernel (3.10.0+)
enabled all the pre-requisite kernel config options required for CRIU and
criu is statically compiled. The version of criu is i think 1.8 as I have
clone the git repo on 22nd January.

Now it gives me error like this:

00.026638) Probing sock diag modules
(00.044599) Done probing
(00.044779) ========================================
(00.044854) Dumping processes (pid: 8580)
(00.045001) ========================================
(00.046622) Pagemap is fully functional
(00.047504) Error (kerndat.c:154): Can't stat self map_files 2: No such
file or directory
(00.048080) Unlock network
(00.048421) Unfreezing tasks into 1
(00.048732) Error (cr-dump.c:1578): Dumping FAILED.

Best Regard -- ALLAH Hafiz, May Almighty ALLAH bless you



[image: --]

Abdullah Yousafzai
[image: https://]about.me/yousafzaiabdullah
<https://about.me/yousafzaiabdullah?promo=email_sig>


On Thu, Jan 28, 2016 at 10:21 PM, Christopher Covington <cov at codeaurora.org>
wrote:

> Hi Abdullah,
>
> On 01/27/2016 09:47 PM, Abdullah Yousafzai wrote:
> > Hello Christopher,
> >
> > is it possible that you can search in your collection the Android.mk
> > file you created
>
> Sorry if I wasn't clear. I've never actually written an Android.mk. I
> cross compiled using the Linaro (glibc based) prebuilt toolchain. Those
> steps are on the wiki:
>
> https://web.archive.org/web/20150119071634/http://criu.org/Installation
>
> > so that I can re-use and not spend time in re-inventing the wheel and
> > one another minor question, the android you have tested was using a
> > custom kernel build with "CONFIG_CHECKPOINT_RESTORE" enabled?.
>
> Yes, the kernel was rebuilt with the CRIU-required options enabled. I've
> historically used mostly-vanilla upstream kernels with an Android
> userspace, but some of my colleagues used real Android kernels with the
> configuration changes applied. More options than just
> CONFIG_CHECKPOINT_RESTORE are required:
>
>
> https://web.archive.org/web/20150119071634/http://criu.org/Installation#Linux_Kernel
>
> (Using the wayback machine because I'm having trouble with criu.org at
> the moment.)
>
> What version of Android and the kernel are you using? My recollection is
> that some of the older Android kernels required CRIU-related patches be
> backported, but maybe around Lollipop the kernel became new enough to
> not need backports.
>
> > Also a last question If my kernel is enabled with
> > "CONFIG_CHECKPOINT_RESTORE", than can I use a statically linked
> > binary as right when I am using statically compiled binary it gives
> > the following error:
> >
> > Error (sockets.c:128): Diag module missing (-2)
> > Error (sockets.c:128): Diag module missing (-2)
> > Error (sockets.c:128): Diag module missing (-2)
> > Error (kerndat.c:154): Can't stat self map_files 2: No such file or
> > directory
> > Error (cr-dump.c:1578): Dumping FAILED.
>
> What version of CRIU are you using? I see some recent map_files related
> changes in the git log.
>
> Regards,
> Cov
>
> --
> Qualcomm Innovation Center, Inc.
> Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
> a Linux Foundation Collaborative Project
>
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