I think the problems being reported by NJ and Lukas at least, are
different issues and you should file a new report about them. I can't
say about GammaPoint because the description there ("DNS leaks") is not
understandable to me.
This issue has the following characteristics: DNS lookups fail, often
with an error of REFUSED. Restarting dnsmasq and/or "pkill -HUP
NetworkManager" fixes the problem.
If your issue doesn't meet those characteristics (particularly if it
isn't fixed by restarting dnsmasq or sending SIGHUP to NetworkManager to
restart it) then it's probably not this bug and you should open a new
bug.
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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)
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