[Bug 1516037] [NEW] lxc-start fails with 1.1.5-0ubuntu1

[Colin Watson]

Public bug reported:

After upgrading to lxc 1.1.5-0ubuntu1, lxc-start fails like this:

lxc-start: start.c: preserve_ns: 149 Permission denied - failed to open '/proc/7170/ns/mnt'
lxc-start: start.c: lxc_spawn: 993 failed to store namespace references
lxc-start: start.c: __lxc_start: 1192 failed to spawn 'trusty-lpdev'
lxc-start: lxc_start.c: main: 344 The container failed to start.
lxc-start: lxc_start.c: main: 348 Additional information can be obtained by setting the --logfile and --logpriority options.

This is with a trusty system container.  precise system containers
behave similarly.  I don't have others to try.  Downgrading liblxc1,
lxc, lxc-templates, and python3-lxc to version 1.1.4-0ubuntu3 causes
lxc-start to work again.

** Affects: lxc (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1516037

Title:
  lxc-start fails with 1.1.5-0ubuntu1

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