AFAIK everything landed for this already in zesty (and thus in artful as
well). Not sure why it is still "In Progress".
I'm setting this to Fix Released; if there are any other issues anyway,
they should get their own bug so we can better track any possible SRUs.
** Changed in: initramfs-tools (Ubuntu)
Status: In Progress => Fix Released
** Changed in: initramfs-tools (Ubuntu)
Assignee: Dave Chiluk (chiluk) => (unassigned)
** Changed in: initramfs-tools (Ubuntu Zesty)
Status: In Progress => Fix Released
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https://bugs.launchpad.net/bugs/1631474
Title:
No networking with initramfs-tools 0.122ubuntu8.3 and ip=dhcp boot
option
Status in initramfs-tools package in Ubuntu:
Fix Released
Status in initramfs-tools source package in Xenial:
Fix Released
Status in initramfs-tools source package in Yakkety:
Fix Released
Status in initramfs-tools source package in Zesty:
Fix Released
Bug description:
[Impact]
* initramfs-tools SRUs introduced regressions in ip= syntax, which cause
unexpected behavior
[Test Case]
* Create a machine that boots using an nfsroot.
* Use ip=:::::eth0:dhcp on the kernel command line. To set up
networking.
* Discover that the device never comes up because, networking is not
configured correctly.
[Regression Potential]
Should be back to original behavior before ipv6 support was introduced in the
past 2 or 3 SRUs.
[Other Info]
* There are a number of other issues in this code base that are not solved
by this fix.
- The ?*:?*:?*:?*: use case falls through to the default case, and likely
breaks there. As such static assignment via ip= appears broken
-
* The networking configuration does not strictly follow the kernel
documentation as described
https://www.kernel.org/doc/Documentation/filesystems/nfs/nfsroot.txt . This
should be fixed.
This bug is a regression of changes made under bug 1628306.
====================Original Bug Description Follows==================
initramfs-tools 0.122ubuntu8.3 introduced a serious regression where
networking is not initialized when the boot option "ip=dhcp" is
provided. We are seeing this problem in AWS, but cannot confirm if
this issue is specific to AWS or will occur with different hardware or
in different environments.
Removing "ip=dhcp" from the boot options with 0.122ubuntu8.3 results
in networking being configured.
The issue does not occur with 0.122ubuntu8.2 or previous versions when
"ip=dhcp" is set.
AWS has no console so debugging is not a trivial task. I do have a
console log with some output, and will update this bug shortly with
it.
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