** Description changed:
+ ========================================================================
+ Impact: unable to specify nic boot order
+ Test Case: use the xml below to create a VM, and check that the 'boot order'
is ignored.
+ Regression potential: This cherrypicks 4 patches from upstream, with no
conflict at all, so I would not expect any regression.
+ ========================================================================
+
I'm using libvirt 1.2.2 on Ubuntu 14.04 and the ipxe version is
1.0.0+git-20131111.c3d1e78-2ubuntu1
I created a KVM virtual machine with 3 network interfaces and I used the
<boot order> libvirt option to specify the boot order among different
vNICs as specified in
http://libvirt.org/formatdomain.html#elementsNICSBoot
This is the part of my libvirt xml file that describe the 3 defined
network interfaces:
- <interface type='direct'>
- <mac address='52:54:00:00:00:01'/>
- <source dev='vboxnet0' mode='vepa'/>
- <model type='virtio'/>
- <boot order='2'/>
- <address type='pci' domain='0x0000' bus='0x00' slot='0x03'
function='0x0'/>
- </interface>
- <interface type='direct'>
- <mac address='52:54:00:00:00:02'/>
- <source dev='vboxnet1' mode='vepa'/>
- <model type='virtio'/>
- <address type='pci' domain='0x0000' bus='0x00' slot='0x04'
function='0x0'/>
- </interface>
- <interface type='direct'>
- <mac address='52:54:00:00:00:03'/>
- <source dev='wlan0' mode='vepa'/>
- <model type='virtio'/>
- <boot order='1'/>
- <address type='pci' domain='0x0000' bus='0x00' slot='0x05'
function='0x0'/>
- </interface>
+ <interface type='direct'>
+ <mac address='52:54:00:00:00:01'/>
+ <source dev='vboxnet0' mode='vepa'/>
+ <model type='virtio'/>
+ <boot order='2'/>
+ <address type='pci' domain='0x0000' bus='0x00' slot='0x03'
function='0x0'/>
+ </interface>
+ <interface type='direct'>
+ <mac address='52:54:00:00:00:02'/>
+ <source dev='vboxnet1' mode='vepa'/>
+ <model type='virtio'/>
+ <address type='pci' domain='0x0000' bus='0x00' slot='0x04'
function='0x0'/>
+ </interface>
+ <interface type='direct'>
+ <mac address='52:54:00:00:00:03'/>
+ <source dev='wlan0' mode='vepa'/>
+ <model type='virtio'/>
+ <boot order='1'/>
+ <address type='pci' domain='0x0000' bus='0x00' slot='0x05'
function='0x0'/>
+ </interface>
The first one (MAC 52:54:00:00:00:01) has boot order 2, the second one
(MAC 52:54:00:00:00:02) has no boot order defined and the third one (MAC
52:54:00:00:00:03) has boot order 1.
The expected result should have been a DHCP bootstrap request sent first
on the 3rd defined vNIC (boot order 1), then on 1st defined vNIC (boot
order 2) and no more request sent (since there is no boot order defined
for 2nd vNIC).
The actual result is that a DHCP bootsrtap request is sent on all
interfaces and not in the order specified, but from the one with lower
to higher pci slot (that is the same order in which they are defined in
the xml file).
Here are the screenshots of the boot sequence:
http://imgur.com/jWVFbMo,VNguYI3#0
http://imgur.com/jWVFbMo,VNguYI3#1
The same bug seems to be solved in Red Hat Enterprise Linux 7.0
https://bugzilla.redhat.com/show_bug.cgi?id=1031518
** Changed in: ipxe (Ubuntu Trusty)
Importance: Undecided => High
** Changed in: ipxe (Ubuntu Trusty)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1409057
Title:
ipxe does not take into account nic boot order specified in libvirt
domain
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