[lxc-devel] Regression in kernel support after preserve_ns change (affects master and 1.1 branch)

[Stéphane Graber]

Hello,

We just got a report when testing 1.1.5 for inclusion in Ubuntu that the
preserve_ns change that was made recently is breaking on kernels higher
than 3.2 and lower than 3.8.

Specifically kernels that do have /proc/self/ns but do not have entries
in there for all the namespaces which can be cloned/unshared.

Rather than only skipping preserve_ns when /proc/self/ns doesn't exist,
it should be skipped if /proc/self/ns doesn't exist AND if ANY of the
/proc/self/ns/<namespace> entries are missing.

Anyone interested in sending a patch?

-- 
Stéphane Graber
Ubuntu developer
http://www.ubuntu.com
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