[lxc-users] sysctl -p fails again in container with 1.1.2-0ubuntu3~ubuntu14.04.1~ppa1 ?

Dan Kegel dank at kegel.com
Mon Apr 27 15:13:56 UTC 2015


On April 23rd, I started seeing this on my ubuntu 14.04 system in an lxc guest:
$ sudo /sbin/sysctl -p
sysctl: setting key "kernel.sem": Read-only file system

Didn't we go through this last year?  :-)
http://comments.gmane.org/gmane.linux.kernel.containers.lxc.devel/7886
Back then, the symptom was different:
sysctl: permission denied on key 'kernel.sem'

So maybe this is a different problem.

/var/log/apt/history.log says

Start-Date: 2015-04-23  08:05:46
Commandline: aptdaemon role='role-commit-packages' sender=':1.780'
Install: linux-headers-3.13.0-49-generic:amd64 (3.13.0-49.83),
lxcfs:amd64 (0.7-0ubuntu4~ubuntu14.04.1~ppa1),
linux-headers-3.13.0-49:amd64 (3.13.0-49.83)...
Upgrade: lxc:amd64 (1.0.7-0ubuntu0.1,
1.1.2-0ubuntu3~ubuntu14.04.1~ppa1), ...  linux-image-generic:amd64
(3.13.0.48.55, 3.13.0.49.56)...

$ apt-cache policy lxc
lxc:
  Installed: 1.1.2-0ubuntu3~ubuntu14.04.1~ppa1
  Candidate: 1.1.2-0ubuntu3~ubuntu14.04.1~ppa1
  Version table:
 *** 1.1.2-0ubuntu3~ubuntu14.04.1~ppa1 0
        500 http://ppa.launchpad.net/ubuntu-lxc/stable/ubuntu/
trusty/main amd64 Packages
        100 /var/lib/dpkg/status
     1.0.7-0ubuntu0.1 0
        500 http://ubuntu.oblong.com/ubuntu/ trusty-updates/main amd64 Packages
     1.0.3-0ubuntu3 0
        500 http://ubuntu.oblong.com/ubuntu/ trusty/main amd64 Packages

Maybe I shouldn't have left the ppa enabled :-)
I'll try downgrading to 1.0.7.


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