[CRIU] [PATCH] inet: tcp -- Find size of max memory allowed to restore TCP data, v2

Frederico Araujo araujof at gmail.com
Thu Oct 10 16:31:42 PDT 2013


Hi there,

After updating CRIU to the current development version (which contains this
patch), checkpoint started crashing when dumping established connections.
The problem is that CRIU can't find tcp_rmem and tcp_rmem on the container,
although these files exist on the host machine. My host machine and lxc
container are running both Ubuntu Saucy (latest update). Also, my lxc
container is running unconfined and the network type is veth, linking to a
bridge I created.

I understood the reason for this patch. However, should checkpoint fail in
case these two files are not present? Do you guys know a way to make these
files available to the guest lxc container? I tried playing with the
container's fstab, without success.

Any help or comments will be much appreciated!

Best,
Fred



On Mon, Oct 7, 2013 at 10:18 AM, Cyrill Gorcunov <gorcunov at gmail.com> wrote:

> On Mon, Oct 07, 2013 at 05:22:09PM +0400, Cyrill Gorcunov wrote:
> >
> > Yeah, I'll check the sysctl engine code, thanks! As to read queue -- I
> think yes,
> > you're right, I'll update, thanks!
>
> Update attached.
>
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> CRIU at openvz.org
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>
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