group.of.nepali.translators team mailing list archive

[Robie Basak <1621507@xxxxxxxxxxxxxxxxxx>]

Hello LaMont, or anyone else affected,

Accepted open-iscsi into xenial-proposed. The package will build now and
be available at https://launchpad.net/ubuntu/+source/open-
iscsi/2.0.873+git0.3b4b4500-14ubuntu3.3 in a few hours, and then in the
-proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed.  Your feedback will aid us getting this update
out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, and change the tag
from verification-needed to verification-done. If it does not fix the
bug for you, please add a comment stating that, and change the tag to
verification-failed.  In either case, details of your testing will help
us make a better decision.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance!

** Changed in: open-iscsi (Ubuntu Xenial)
       Status: Fix Released => In Progress

** Changed in: open-iscsi (Ubuntu Xenial)
       Status: In Progress => Fix Committed

** Changed in: open-iscsi (Ubuntu Xenial)
       Status: Fix Committed => In Progress

** Changed in: open-iscsi (Ubuntu Xenial)
       Status: In Progress => Fix Committed

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https://bugs.launchpad.net/bugs/1621507

Title:
  initramfs-tools configure_networking() fails to dhcp ipv6 addresses

Status in MAAS:
  Fix Committed
Status in initramfs-tools package in Ubuntu:
  Fix Released
Status in isc-dhcp package in Ubuntu:
  Fix Released
Status in klibc package in Ubuntu:
  Won't Fix
Status in open-iscsi package in Ubuntu:
  In Progress
Status in initramfs-tools source package in Xenial:
  Fix Committed
Status in isc-dhcp source package in Xenial:
  Fix Committed
Status in klibc source package in Xenial:
  Won't Fix
Status in open-iscsi source package in Xenial:
  Fix Committed
Status in initramfs-tools source package in Yakkety:
  Fix Committed
Status in isc-dhcp source package in Yakkety:
  Fix Committed
Status in klibc source package in Yakkety:
  Won't Fix
Status in open-iscsi source package in Yakkety:
  Fix Released
Status in klibc package in Debian:
  New

Bug description:
  initramfs' configure_networking function uses ipconfig to configure the network.
  ipconfig does not support dhcpv6.  See: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=627164

  Related bugs:
    * bug 1229458: grub2 needed changes
    * bug 1621615: network not configured when ipv6 netbooted into cloud-init
    * bug 1635716: Can't bring up a machine on a dual network (ipv4 and ipv6)

  Bugs related to uploads for this specific SRU:

  cloud-init:
  bug 1460715: different fix unrelated to this SRU
  bug 1639930: ip6= on kernel command line
  bug 1642679: different fix unrelated to this SRU
  bug 1644043: different fix unrelated to this SRU

  ifupdown:
  bug 1629972: networking.service takes down lo on stop

  initramfs-tools:
  bug 1621507: no IPv6 DHCP support in early boot
  bug 1628306: regression-update (failure when ip="")
  bug 1631474: regression-update (failure when ip=:::::eth0:dhcp)

  isc-dhcp:
  bug 1621507: no IPv6 DHCP support in early boot
  bug 1633479: dhclient does not wait for IPv6 DAD

  open-iscsi:
  bug 1621507: no IPv6 DHCP support in early boot

  
  [Impact]

  It is not possible to netboot Ubuntu with a network-based root
  filesystem in an ipv6-only environment.  Anyone wanting to netboot in
  an ipv6-only environment is affected.

  [Stable Fix]

  These uploads add "ip6=" to the command line syntax to configure ipv6
  using the defacto isc-dhcp-client.  IPv4 configuration (and "ip="
  syntax) remain unchanged.

  Valid format for the ip6= command line option is:
     ip6=none (or ip6=off or ip6=) -- do not configure ipv6
     ip6=DEVICE  -- run IPv6 dhclient on device DEVICE.

  [Test Case]

  See Bug 1229458.  Configure radvd, dhcpd, and tftpd for your ipv6-only
  netbooting world.  Pass the boot process an ipv6 address to talk to,
  and see it fail to configure the network.

  [Regression Potential]

  1) This increases the uncompressed initramfs size by approximately 500KB, since isc-dhcp-client is added, but klibc is still needed for some other things, and is therefore present.  On systems with a very small /boot partition, this could result in failure to upgrade the initramfs.
  2) In at least some cases, DHCP network configuration shifts from klibc's ipconfig to isc-dhcp-client's dhclient.  This should be of minimal risk, as isc-dhcp-client is in very very widespread use.  In the event of a regression, network boot would fail, but the prior kernel should still be bootable.

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