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Bug 667091

Summary:	IB700 watchdog isn't PCI
Product:	Red Hat Enterprise Linux 6	Reporter:	Richard W.M. Jones <rjones>
Component:	libvirt	Assignee:	Richard W.M. Jones <rjones>
Status:	CLOSED ERRATA	QA Contact:	Virtualization Bugs <virt-bugs>
Severity:	medium	Docs Contact:
Priority:	low
Version:	6.1	CC:	crobinso, dallan, dyuan, eblake, mjenner, xen-maint, yimwang
Target Milestone:	rc
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	libvirt-0.8.7-2.el6	Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:	637131	Environment:
Last Closed:	2011-05-19 13:25:23 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	637131
Bug Blocks:	634607

Description Richard W.M. Jones 2011-01-04 11:58:25 UTC

+++ This bug was initially created as a clone of Bug #637131 +++

Description of problem:

When I add <watchdog model='ib700'/> to the XML of a domain, libvirtd
automatically expands it to the following:

  <watchdog model='ib700' action='reset'>
    <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/> 
  </watchdog>

However, IB700 isn't a PCI device, so this looks incorrect to me ...

Version-Release number of selected component (if applicable):

libvirt-0.8.3-2.fc14.x86_64

How reproducible:

Always.

Steps to Reproduce:
1. Edit a VM's XML and add <watchdog model='ib700'/>
2. Dump the XML.
  
Actual results:

PCI <address> element has been added.

Expected results:

Shouldn't be added for IB700.

Additional info:

Note that the other type of watchdog, i6300esb, *is* a PCI
device.  Don't change that one!

--- Additional comment from rjones on 2010-09-24 08:05:55 EDT ---

Actually it's worse than that.  This stops you from using
IB700 at all via libvirt.  You get:

qemu-kvm: -device ib700,id=watchdog0,bus=pci.0,addr=0x5: Device 'ib700' can't go on a PCI bus

I wonder if this is a RHEL 6.0 bug / blocker?

Comment 1 Richard W.M. Jones 2011-01-11 13:40:10 UTC

Patch posted upstream:

https://www.redhat.com/archives/libvir-list/2011-January/msg00389.html

Comment 2 Richard W.M. Jones 2011-01-11 16:37:14 UTC

Patch pushed upstream:

http://libvirt.org/git/?p=libvirt.git;a=commitdiff;h=feddaf1dc8c14590d957ad353fc9263a80d96236

Comment 5 wangyimiao 2011-01-18 08:04:53 UTC

Verified it PASSED on build :
libvirt-0.8.7-2.el6.x86_64
qemu-kvm-0.12.1.2-2.129.el6.x86_64
qemu-img-0.12.1.2-2.129.el6.x86_64
kernel-2.6.32-94.el6.x86_64.

Steps:
1.Add that XML in the domain config XML.
.............................
 <watchdog model='ib700'/>
.............................

2.Check the domain XML have not add the PCI <address> element for watchdog device with "model='ib700'".

# virsh dumpxml http_test
..........................
    <watchdog model='ib700' action='reset'/>
...........................

3.Add that XML in the domain config XML.
.............................
   <watchdog model='i6300esb' action='reset'/>
.............................

4.Check the domain XML have add the PCI <address> element for watchdog device with "model='i6300esb'".

# virsh dumpxml http_test
..........................
   <watchdog model='i6300esb' action='reset'>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/>
    </watchdog>
...........................

Comment 9 errata-xmlrpc 2011-05-19 13:25:23 UTC

An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHBA-2011-0596.html