This bug was fixed in the package dnsmasq - 2.75-1ubuntu0.16.04.2
---------------
dnsmasq (2.75-1ubuntu0.16.04.2) xenial; urgency=medium
* Add two upstream patches to fix binding to an interface being
destroyed and recreated. LP: #1639776.
+ 2675f2061525bc954be14988d64384b74aa7bf8b
+ 16800ea072dd0cdf14d951c4bb8d2808b3dfe53d
-- Nishanth Aravamudan <nish.aravamu...@canonical.com> Mon, 27 Mar
2017 17:22:13 -0700
** Changed in: dnsmasq (Ubuntu Xenial)
Status: Fix Committed => Fix Released
--
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Matching subscriptions: Ubuntu 16.04 Bugs
https://bugs.launchpad.net/bugs/1639776
Title:
name resolution (dnsmasq) fails to send queries out after
suspend/resume reconnects the interface
Status in dnsmasq package in Ubuntu:
Fix Released
Status in network-manager package in Ubuntu:
Invalid
Status in dnsmasq source package in Xenial:
Fix Released
Status in network-manager source package in Xenial:
Invalid
Status in dnsmasq source package in Yakkety:
Fix Released
Status in network-manager source package in Yakkety:
Invalid
Status in dnsmasq package in Debian:
Fix Released
Bug description:
[Impact]
* suspend/resume (which involves disconnection of network devices)
leads to dnsmasq failures.
[Test Case]
* suspend/resume on 16.04 or 16.10 when using dnsmasq, and see
failures upon resume.
[Regression Potential]
* The fix was NMU'd in Debian in the version immediately after
16.10's. I believe the regression potential is very low as this is a
clear bug-fix from upstream.
---
Failure is caused by ENODEV return for all dns queries like:
sendto(11, "\232\325\1\0\0\1\0\0\0\0\0\0\4mail\6google\3com\0\0\1\0"..., 33,
0, {sa_family=AF_INET, sin_port=htons(53),
sin_addr=inet_addr("62.241.198.245")}, 16) = -1 ENODEV (No such device)
Problem is reported and fixed:
https://bugzilla.redhat.com/show_bug.cgi?id=1367772
http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commitdiff;h=2675f2061525bc954be14988d64384b74aa7bf8b
I didn't yet test if applying that patch to ubuntu package works. I
will try the patch in a few hours.
ProblemType: Bug
DistroRelease: Ubuntu 16.10
Package: dnsmasq-base 2.76-4
ProcVersionSignature: Ubuntu 4.8.0-26.28-generic 4.8.0
Uname: Linux 4.8.0-26-generic x86_64
ApportVersion: 2.20.3-0ubuntu8
Architecture: amd64
CurrentDesktop: GNOME
Date: Mon Nov 7 14:11:51 2016
InstallationDate: Installed on 2037-12-25 (-7718 days ago)
InstallationMedia: Lubuntu 16.04 LTS "Xenial Xerus" - Release amd64
(20160420.1)
SourcePackage: dnsmasq
UpgradeStatus: Upgraded to yakkety on 2016-10-21 (16 days ago)
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/dnsmasq/+bug/1639776/+subscriptions
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