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[OpenStack Infra <1691190@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.openstack.org/469826
Committed: https://git.openstack.org/cgit/openstack/nova/commit/?id=8ceba86a9d816336a42f7636cce85dc2f8e76dbc
Submitter: Jenkins
Branch:    master

commit 8ceba86a9d816336a42f7636cce85dc2f8e76dbc
Author: Alvaro Lopez Garcia <aloga@xxxxxxxxxxxxxx>
Date:   Thu Jun 1 11:39:33 2017 +0200

    xen: pass Xen console in cmdline
    
    Xen's console is attached to hvc0 in PV guests [1]. If an image does set
    it up on its grub configuration, the instance may not boot properly.
    
    Nova is setting the os_cmdline for other hypervisors, so it should do
    the same for Xen. This way libvirt will configures the domain properly.
    
    [1] https://wiki.xen.org/wiki/Xen_FAQ_Console
    
    Change-Id: I7600c6e966ab3829185d008077463e9689b9afd5
    Closes-Bug: 1691190


** Changed in: nova
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1691190

Title:
  Xen should use "console=hvc0" on boot

Status in OpenStack Compute (nova):
  Fix Released

Bug description:
  Xen's console is attached to hvc0 in PV guests [1]. If an image does
  set it up on its grub configuration, the instance may not boot
  properly.

  Nova could set the os_cmdline for that guest as it is doing for other
  hypervisors (for example for LXC), adding the console setup there, so
  that libvirt configures the domain properly.

  [1] https://wiki.xen.org/wiki/Xen_FAQ_Console

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