yahoo-eng-team team mailing list archive

[OpenStack Infra <1618878@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.openstack.org/363634
Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=bfe947b26266e13251b7ba972d8b57e67e9ebb02
Submitter: Zuul
Branch:    master

commit bfe947b26266e13251b7ba972d8b57e67e9ebb02
Author: Adrien Cunin <adrien.cunin@xxxxxxxxxx>
Date:   Sun Sep 4 21:44:18 2016 +0200

    Skip IPv6 sysctl calls when IPv6 is disabled
    
    If IPv6 is globally disabled, do not try to run any IPv6
    sysctls as they will all fail as the parameters do not exist.
    
    Change-Id: I789dbbe1c44581978c51f8c3c1d22aef10cbe01a
    Closes-Bug: #1618878


** Changed in: neutron
       Status: In Progress => Fix Released

-- 
You received this bug notification because you are a member of Yahoo!
Engineering Team, which is subscribed to neutron.
https://bugs.launchpad.net/bugs/1618878

Title:
  Disabling IPv6 on an interface fails if IPv6 is completely disabled in
  the kernel

Status in neutron:
  Fix Released

Bug description:
  Neutron Mitaka.

  From linuxbridge-agent.log:

  ERROR neutron.agent.linux.ip_lib [req-7d62c8de-1678-4b17-b568-b2a9a938c97c - - - - -] Failed running ['sysctl', '-w', u'net.ipv6.conf.brqc766b4dc-d2.disable_ipv6=1']
  ERROR neutron.agent.linux.ip_lib Traceback (most recent call last):
  ERROR neutron.agent.linux.ip_lib   File "/usr/lib/python2.7/site-packages/neutron/agent/linux/ip_lib.py", line 335, in _sysctl
  ERROR neutron.agent.linux.ip_lib     check_exit_code=True)
  ERROR neutron.agent.linux.ip_lib   File "/usr/lib/python2.7/site-packages/neutron/agent/linux/ip_lib.py", line 927, in execute
  ERROR neutron.agent.linux.ip_lib     log_fail_as_error=log_fail_as_error, **kwargs)
  ERROR neutron.agent.linux.ip_lib   File "/usr/lib/python2.7/site-packages/neutron/agent/linux/utils.py", line 140, in execute
  ERROR neutron.agent.linux.ip_lib     raise RuntimeError(msg)
  ERROR neutron.agent.linux.ip_lib RuntimeError: Exit code: 255; Stdin: ; Stdout: ; Stderr: sysctl: cannot stat /proc/sys/net/ipv6/conf/brqc766b4dc-d2/disable_ipv6: No such file or directory

  Indeed:
  # ls /proc/sys/net/ipv6/
  ls: cannot access /proc/sys/net/ipv6/: No such file or directory

  This is because the system was started with the ipv6.disable=1 Linux
  kernel boot option.

To manage notifications about this bug go to:
https://bugs.launchpad.net/neutron/+bug/1618878/+subscriptions