[CRIU] Network file systems migration: dump problems

[Andrew Vagin]

On Fri, Jan 22, 2016 at 12:03:31PM +0100, Stanislav Kinsburskiу wrote:
> Good day,
> 
> NFS migration revealed a significant problem on dump stage: CRIU "stops" network, and then tries to access files on NFS, which expectedly leads to hung.
> I would like to ask for ideas, how this problem can be solved.

It's possible to not lock all traffic in netns and lock each socket
separately. Currently this mode is used in a case when processes are
dumped without netns.

> 
> Best,
> Stanislav Kinsburskiy
> 
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