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[Qemu-devel] [Bug 1546445] Please test proposed package

From: James Page
Subject: [Qemu-devel] [Bug 1546445] Please test proposed package
Date: Mon, 21 Mar 2016 10:13:23 -0000

Hello Liang, or anyone else affected,

Accepted qemu into kilo-proposed. The package will build now and be
available in the Ubuntu Cloud Archive in a few hours, and then in the
-proposed repository.

Please help us by testing this new package. To enable the -proposed

  sudo add-apt-repository cloud-archive:kilo-proposed
  sudo apt-get update

Your feedback will aid us getting this update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, and change the tag
from verification-kilo-needed to verification-kilo-done. If it does not
fix the bug for you, please add a comment stating that, and change the
tag to verification-kilo-failed. In either case, details of your testing
will help us make a better decision.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in

** Tags added: verification-kilo-needed

** Changed in: cloud-archive
       Status: Fix Committed => Invalid

** Changed in: cloud-archive
       Status: Invalid => Fix Released

** Tags removed: verification-needed

You received this bug notification because you are a member of qemu-
devel-ml, which is subscribed to QEMU.

  support vhost user without specifying vhostforce

Status in Ubuntu Cloud Archive:
  Fix Released
Status in Ubuntu Cloud Archive kilo series:
  Fix Committed
Status in QEMU:
  Fix Released
Status in qemu package in Ubuntu:
  Fix Released
Status in qemu source package in Wily:
  Fix Released

Bug description:

   * vhost-user falls back to virtio-net which causes performance lose
  without specifying the vhostforce option. But it should be the default
  behavior for vhost-user, since guests using PMD doesn't support msi-x.

  [Test Case]

    create a vhost-user virtio backend without specifying the vhostforce 
option, i.e. -netdev 
    start the VM
    vhost-user is not enabled

  [Regression Potential]

   * none

  vhost user nic doesn't support non msi guests(like pxe stage) by default.
  Vhost user nic can't fall back to qemu like normal vhost net nic does. So we 
  enable it for non msi guests.

  The problem has been fix in qemu upstream  -
  And the patch needs to be backported to 1:2.2+dfsg-5expubuntu9.8 .

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