** Attachment added: "test script"
https://bugs.launchpad.net/ubuntu/+source/resolvconf/+bug/1735225/+attachment/5016294/+files/test-lp1714308.sh
** Also affects: resolvconf (Ubuntu Trusty)
Importance: Undecided
Status: New
** Also affects: resolvconf (Ubuntu Xenial)
Importance: Undecided
Status: New
** No longer affects: resolvconf (Ubuntu)
** Changed in: resolvconf (Ubuntu Trusty)
Status: New => Confirmed
** Changed in: resolvconf (Ubuntu Xenial)
Status: New => Confirmed
** Changed in: resolvconf (Ubuntu Trusty)
Importance: Undecided => Medium
** Changed in: resolvconf (Ubuntu Xenial)
Importance: Undecided => Medium
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Matching subscriptions: Ubuntu 16.04 Bugs
https://bugs.launchpad.net/bugs/1735225
Title:
rooturl= should automatically enable 'rc-initrd-dns' feature
Status in resolvconf source package in Trusty:
Confirmed
Status in resolvconf source package in Xenial:
Confirmed
Bug description:
=== Begin SRU Template ===
[Impact]
Booting a kernel/initramfs with 'rooturl=http://...' for trusty
or xenial requires also adding 'rc-initrd-dns' or 'cloud-config-url='
to the kernel command line in order to get the fix provided by bug
1711760.
If a user boots with 'rooturl=', that should imply they want dns
copied over from the initramfs or otherwise working dns. They should
not have to add the additional flag.
[Test Case]
Download the test case attached.
Run it and follow the instructions.
Login to the guest (ubuntu:password), and inspect /etc/resolv.conf
without the fix there would be no data in /etc/resolv.conf. With the
fix you should see 'nameserver 10.0.2.2' and 'search mydomain.com bar.com'
[Regression Potential]
Regression potential should be very low.
This could negatively affect a user who was booting with rooturl=
and had solved the lack of dns in another way.
[Other Info]
rooturl was SRU'd to xenial and trusty. When that happened we were
not aware of the broken-ness of DNS. Had we been aware at that time,
we would have fixed this then, and the regression potential listed above
would not be present.
Note, that without a fix for bug 1714308, dns does not work inside
the initramfs. So the url in 'rooturl=<url>' has to be an IP address.
Related bugs:
* bug 1714308: dns does not work in initramfs after configure_networking
* bug 1711760: [2.3] resolv.conf is not set (during commissioning or
testing)
=== End SRU Template ===
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: resolvconf 1.78ubuntu5
ProcVersionSignature: User Name 4.13.0-16.19-generic 4.13.4
Uname: Linux 4.13.0-16-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.13
Architecture: amd64
Date: Wed Nov 29 17:33:21 2017
PackageArchitecture: all
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: resolvconf
UpgradeStatus: No upgrade log present (probably fresh install)
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https://bugs.launchpad.net/ubuntu/trusty/+source/resolvconf/+bug/1735225/+subscriptions
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