Adding a network-manager task here to have it tracked because reports
flows in to the package a lot, but marking as invalid since the cause is
actually in dnsmasq.
** Also affects: network-manager (Ubuntu)
Importance: Undecided
Status: New
** Changed in: network-manager (Ubuntu)
I have tested the package in yakkety and fixed the issue for me too. In
my case it appeared when switching wifi connection between two APs which
shared the DHCP server.
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I've installed this package on Xenial, and it fixes this issue for me
(specifically, with openvpn).
** Tags removed: verification-needed-xenial
** Tags added: verification-done-xenial
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** Tags removed: verification-needed yakkety
** Tags added: verification-done-yakkety verification-needed-xenial
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Title:
dnsmasq
** Tags removed: verification-needed yakkety
** Tags added: verification-done-yakkety verification-needed-xenial
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Title:
dnsmasq fails to send
Hi,
I've installed and tested the proposed dnsmasq (2.76-4ubuntu0.1) yakkety and it
has solved the suspend/resume problem on my Dell XPS 13, 16.10.
Many thanks,
Simon
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Hello Pauli, or anyone else affected,
Accepted dnsmasq into yakkety-proposed. The package will build now and
be available at
https://launchpad.net/ubuntu/+source/dnsmasq/2.76-4ubuntu0.1 in a few
hours, and then in the -proposed repository.
Please help us by testing this new package. See
I uploaded the fix today to 16.04 and 16.10, will need to go through the
SRU process.
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Title:
dnsmasq fails to send queries out after suspend
I uploaded the fix today to 16.04 and 16.10, will need to go through the
SRU process.
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Title:
dnsmasq fails to send queries out
I am another Dell XPS 15 owner who is affected by this bug using 16.10.
Please incorporate the fix as soon as possible, as the normal end user
(e.g. my wife) is not willing to kill dnsmasq each time the notebook
wakes up from suspend.
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** Changed in: dnsmasq (Debian)
Status: Unknown => Fix Released
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Title:
dnsmasq fails to send queries out after suspend disconnects the
Just to add a note: this issue also occurs when using VPNs: I use
NetworkManager OpenVPN and when I start up the connection I can't
resolve DNS hosts from the VPN DNS server until I run "sudo killall -HUP
NetworkManager" or similar. This has to be done every time the VPN goes
down / comes back
** Description changed:
+ [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
** Description changed:
+ [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
It would appear that Debian fixed this in 2.76-4.1, which should be in
17.04. I will provide SRUs for 16.04 and 17.04 this week.
** Also affects: dnsmasq (Ubuntu Yakkety)
Importance: Undecided
Status: New
** Also affects: dnsmasq (Ubuntu Xenial)
Importance: Undecided
Status:
I think i am affected due to this bug too, XPS13-9350 with 16.04.2. I
didn't have the bug until i went to the linux-generic-hwe-16.04, with
kernel 4.8.
will the patch be included in patches for 16.04?
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I think this may be a regression. I installed 16.04.1 a few weeks ago
and it was working fine (dnsmasq worked after resume). I now have a 100%
repro of the bug.
Workaround: sudo pkill dnsmasq
I'm now running 16.04.2 (64-bit). I'm using a Dell XPS laptop. CPU is an
Intel Core i7-6560U. Plenty of
Dell XPS 15 9550 user with Ubuntu 16.04.2 LTS here... I ran across this
in the last week or few as well. The patch from #7 seems to fix it.
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Installed the patched version from #7, and it works great!
Killed the dnsmasq process and suspended/resumed twice to test it.
Dell XPS 15 9550 owner here. Just upgraded to 16.10. Never seen this bug
with 16.04, *or* with 16.04.2 (with HWE updates).
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I dig a bit around and found that this bug affects installation where
network interface is connected through USB. PCI-devices are not
affected.
Symptom: if computer suspends and resumes, 'ip link' command shows
increased interface number (1,2,3,4,...,11,etc).
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17.04 fails dns on boot of a fresh install, for example
https://bugs.launchpad.net/ubuntu/+source/ubuntu-meta/+bug/1650794
it has dnsmasq-base 2.76-5
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This bug is about the socket being cached even when it goes way when the
interface is recreated because of:
- standby/resume
- unplug the network cable
- ip l … down; ip l … up
If the network interface is never taken down, and you still have dns
problems, it is not this bug but something else
I can confirm that for this bug, I am not affected directly by suspend /
resume actions. But the DNS still randomly fails during normal operation
of the machine.
If I kill dnsmasq PID and restart it from the command line, then it
works again.
sudo /usr/sbin/dnsmasq --no-resolv
An update from me. I still experienced no DNS resolve a couple of times
on first boot up with the patched version. I am using Xenial 16.04 by
the way.
~$ uname -r
4.4.0-53-generic
~$ cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=16.04
DISTRIB_CODENAME=xenial
DISTRIB_DESCRIPTION="Ubuntu
I have this problem as well on Lenovo Thinkpad X230i both with WLAN and
wired connections.
dnsmasq-base/xenial-updates,xenial-security,now 2.75-1ubuntu0.16.04.1 amd64
[installed,automatic]
Small caching DNS proxy and DHCP/TFTP server
I will try the patched version and see how it goes.
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A package that fixes the problem Ubuntu 16.10 amd64
built like:
mkdir --parents 161119-dnsmasq-base
cd 161119-dnsmasq-base
apt-get source dnsmasq-base
sudo apt-get build-dep dnsmasq-base
wget https://launchpadlibrarian.net/292578501/rebind-after-suspend.diff
patch --strip=0
Install like
wget
https://bugs.launchpad.net/ubuntu/+source/dnsmasq/+bug/1639776/+attachment/4780245/+files
/dnsmasq-base_2.76-4ubuntu1FIX1639776ubuntu1_amd64.deb
sha256sum dnsmasq-base_2.76-4ubuntu1FIX1639776ubuntu1_amd64.deb
90816ff1e2dad6002576967b9ad02bfa3780fe4ea0419db0cedacf4b1dff5bc0
** Tags added: server-next
** Changed in: dnsmasq (Ubuntu)
Status: New => Triaged
** Changed in: dnsmasq (Ubuntu)
Importance: Undecided => High
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The attachment "Updated patch including the crash fix" seems to be a
patch. If it isn't, please remove the "patch" flag from the attachment,
remove the "patch" tag, and if you are a member of the ~ubuntu-
reviewers, unsubscribe the team.
[This is an automated message performed by a Launchpad
It appears there is a crash bug in the patch which needs a minor change:
http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commitdiff;h=16800ea072dd0cdf14d951c4bb8d2808b3dfe53d
** Patch added: "Updated patch including the crash fix"
I tested the linked patch. DNS queries work now after suspend and
resume.
** Patch added: "Linked fix refreshed with quilt to apply cleanly"
https://bugs.launchpad.net/ubuntu/+source/dnsmasq/+bug/1639776/+attachment/4774167/+files/rebind-after-suspend.diff
** Tags added: patch
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https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=834722
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Title:
dnsmasq fails to send queries out after suspend disconnects the
interface
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