Bug 1002421 - [SRIOV]libvirt should forbid to define or start 'hostdev' network which contains some identical VFs
Summary: [SRIOV]libvirt should forbid to define or start 'hostdev' network which conta...
Keywords:
Status: CLOSED WONTFIX
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: libvirt
Version: 6.5
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: rc
: ---
Assignee: Laine Stump
QA Contact: Virtualization Bugs
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2013-08-29 07:38 UTC by hongming
Modified: 2014-04-07 09:39 UTC (History)
6 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
: 1002423 (view as bug list)
Environment:
Last Closed: 2014-04-04 20:57:02 UTC
Target Upstream Version:


Attachments (Terms of Use)

Description hongming 2013-08-29 07:38:52 UTC
Description of problem:
libvirt should forbid to define or start 'hostdev' network which contains the same VFs


Version-Release number of selected component (if applicable):
libvirt-0.10.2-23.el6.x86_64

How reproducible:
100%

Steps to Reproduce:
# lspci|grep 11:10
11:10.0 Ethernet controller: Intel Corporation 82576 Virtual Function (rev 01)
11:10.1 Ethernet controller: Intel Corporation 82576 Virtual Function (rev 01)
11:10.2 Ethernet controller: Intel Corporation 82576 Virtual Function (rev 01)
11:10.3 Ethernet controller: Intel Corporation 82576 Virtual Function (rev 01)
11:10.4 Ethernet controller: Intel Corporation 82576 Virtual Function (rev 01)
11:10.5 Ethernet controller: Intel Corporation 82576 Virtual Function (rev 01)
11:10.6 Ethernet controller: Intel Corporation 82576 Virtual Function (rev 01)
11:10.7 Ethernet controller: Intel Corporation 82576 Virtual Function (rev 01)

# cat host-devnet1.xml
<network>
<name>hostdev-net1</name>
<forward mode='hostdev' managed='yes'>
<address type='pci' domain='0x0000' bus='0x11' slot='0x10' function='0x0'/>
<address type='pci' domain='0x0000' bus='0x11' slot='0x10' function='0x0'/>
<address type='pci' domain='0x0000' bus='0x11' slot='0x10' function='0x0'/>
<address type='pci' domain='0x0000' bus='0x11' slot='0x10' function='0x1'/>
</forward>
</network>

# virsh net-define host-devnet1.xml
Network hostdev-net1 defined from host-devnet1.xml

# virsh net-dumpxml hostdev-net1
<network>
  <name>hostdev-net1</name>
  <uuid>a57d0acb-3182-28ad-5c47-aae471ca8084</uuid>
  <forward mode='hostdev' managed='yes'>
    <address type='pci' domain='0x0000' bus='0x11' slot='0x10' function='0x0'/>
    <address type='pci' domain='0x0000' bus='0x11' slot='0x10' function='0x0'/>
    <address type='pci' domain='0x0000' bus='0x11' slot='0x10' function='0x0'/>
    <address type='pci' domain='0x0000' bus='0x11' slot='0x10' function='0x1'/>
  </forward>
</network>

# cat vfpool.xml
<interface type='network'>
   <source network='hostdev-net1'/>
</interface>

# virsh start r6
Domain r6 started

# virsh attach-device r6 vfpool.xml
Device attached successfully

# virsh attach-device r6 vfpool.xml
error: Failed to attach device from vfpool.xml
error: Requested operation is not valid: PCI device 0000:11:10.0 is in use by domain r6


Actual results:
libvirt can define or start the 'hostdev' network which contains some identical VFs 

Expected results:
libvirt should forbid to define or start 'hostdev' network which contains some identical VFs 

Additional info:

Comment 2 Jiri Denemark 2013-09-02 09:50:28 UTC
Is this a regression from 6.4 or 6.3?

Comment 3 hongming 2013-09-03 05:04:38 UTC
(In reply to Jiri Denemark from comment #2)
> Is this a regression from 6.4 or 6.3?

No,this isn't a regression.

Comment 6 RHEL Program Management 2014-04-04 20:57:02 UTC
Development Management has reviewed and declined this request.
You may appeal this decision by reopening this request.


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