Hello LaMont, or anyone else affected,
Accepted initramfs-tools into yakkety-proposed. The package will build
now and be available at https://launchpad.net/ubuntu/+source/initramfs-
tools/0.125ubuntu6.3 in a few hours, and then in the -proposed
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
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Touch seeded packages, which is subscribed to isc-dhcp in Ubuntu.
initramfs-tools configure_networking() fails to dhcp ipv6 addresses
Status in MAAS:
Status in initramfs-tools package in Ubuntu:
Status in isc-dhcp package in Ubuntu:
Status in klibc package in Ubuntu:
Status in open-iscsi package in Ubuntu:
Status in initramfs-tools source package in Xenial:
Status in isc-dhcp source package in Xenial:
Status in klibc source package in Xenial:
Status in open-iscsi source package in Xenial:
Status in initramfs-tools source package in Yakkety:
Status in isc-dhcp source package in Yakkety:
Status in klibc source package in Yakkety:
Status in open-iscsi source package in Yakkety:
Status in klibc package in Debian:
initramfs' configure_networking function uses ipconfig to configure the
ipconfig does not support dhcpv6. See:
* 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)
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.
These uploads address this by replacing the one-off klibc dhcp client
(IPv4-only) with the defacto standard isc-dhcp-client, and thereby
provide both ipv6 and ipv4 DHCP configuration.
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.
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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