For Mitaka, this bug will be included in UCA together with the fix for:
https://bugs.launchpad.net/ubuntu/+source/qemu/+bug/1641532
When it becomes available.
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This bug was fixed in the package qemu - 1:2.5+dfsg-5ubuntu10.8
---
qemu (1:2.5+dfsg-5ubuntu10.8) xenial; urgency=medium
[ Dmitrii Shcherbakov ]
* d/p/ubuntu/net-fix-qemu_announce_self-not-emitting-packets.patch:
Cherrypick upstream patch: net: fix qemu_announce_self not
I've used two lxd containers interconnected via a bridge to verify this.
Each container was a privileged one and had a config as follows
(basically allowed /dev/kvm and /dev/net/tun usage and did not create a
separate user namespace).
name: cq1
profiles:
- default
config:
environment.LC_ALL:
Hello Dmitrii, or anyone else affected,
Accepted qemu into xenial-proposed. The package will build now and be
available at https://launchpad.net/ubuntu/+source/qemu/1:2.5+dfsg-
5ubuntu10.8 in a few hours, and then in the -proposed repository.
Please help us by testing this new package. See
FYI 10.7 migrated a few minutes ago, the SRU Team can now evaluate your
fix to move it to proposed.
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https://bugs.launchpad.net/bugs/1656480
Title:
QEMU Does not Send L2 Broadcasts
Hi Christian,
Thanks for the info.
10.7 is still shown as in -proposed here.
http://people.canonical.com/~ubuntu-archive/pending-sru.html
It looks like net/net.c was not modified - only vhost + some other things so
there shouldn't be a collision there.
Hi Dmitrii,
review is fine, patch upstream and applying cleanly - thanks for your work.
I was additonally doing some upgrade and migration tests, but as expected all
passed ok.
That said sponsoring your upload now.
qemu_2.5+dfsg-5ubuntu10.7 just left the queue - in some bits of launchpad it is
** Description changed:
+ [Impact]
+ L2 broadcasts are sent out in order to update MAC tables of the switches in
the same broadcast domain. If this is not done after live migration there may
be a temporary downtime period for clients trying to connect to services
residing on a migrated VM due
The fix is present in yakkety:
> pull-lp-source qemu yakkety
pull-lp-source: Downloading qemu version 1:2.6.1+dfsg-0ubuntu5.2
pull-lp-source: Downloading qemu_2.6.1+dfsg.orig.tar.xz from archive.ubuntu.com
(6.021 MiB)
pull-lp-source: Downloading qemu_2.6.1+dfsg-0ubuntu5.2.debian.tar.xz from
Thanks for confirming that Dmitrii; marking dev task as fix released,
and targeted to Xenial only.
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https://bugs.launchpad.net/bugs/1656480
Title:
QEMU Does not Send L2
Thanks for confirming that Dmitrii; marking dev task as fix released,
and targeted to Xenial only.
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https://bugs.launchpad.net/bugs/1656480
Title:
QEMU Does not Send L2 Broadcasts
** Also affects: qemu (Ubuntu Xenial)
Importance: Undecided
Status: New
** Changed in: qemu (Ubuntu Xenial)
Importance: Undecided => High
** Changed in: qemu (Ubuntu Xenial)
Status: New => Triaged
** Changed in: qemu (Ubuntu)
Status: New => Fix Released
** Changed
** Also affects: qemu (Ubuntu Xenial)
Importance: Undecided
Status: New
** Changed in: qemu (Ubuntu Xenial)
Importance: Undecided => High
** Changed in: qemu (Ubuntu Xenial)
Status: New => Triaged
** Changed in: qemu (Ubuntu)
Status: New => Fix Released
** Changed
** Changed in: qemu (Ubuntu)
Importance: Undecided => High
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Title:
QEMU Does not Send L2 Broadcasts After Live Migration
To manage
** Description changed:
In short:
1) Get two Xenial hosts (instead, could be two lxd containers with QEMU
inside or two VMs with nested virtualization enabled - doesn't matter);
1) Create a libvirt domain that uses QEMU (can be a bare instance, even
without a disk, with a NIC without an
The attachment "net-fix-qemu_announce_self-not-emitting-packets.debdiff"
seems to be a debdiff. The ubuntu-sponsors team has been subscribed to
the bug report so that they can review and hopefully sponsor the
debdiff. If the attachment isn't a patch, please remove the "patch"
flag from the
[Impact]
L2 broadcasts are sent out in order to update MAC tables of the switches in the
same broadcast domain. If this is not done after live migration there may be a
temporary downtime period for clients trying to connect to services residing on
a migrated VM due to the fact that switches
** Patch added: "net-fix-qemu_announce_self-not-emitting-packets.debdiff"
https://bugs.launchpad.net/ubuntu/+source/qemu/+bug/1656480/+attachment/4804236/+files/net-fix-qemu_announce_self-not-emitting-packets.debdiff
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