Bug 866364

Summary: libvirtd crash when edit a net with some operation
Product: Red Hat Enterprise Linux 6 Reporter: zhenfeng wang <zhwang>
Component: libvirtAssignee: Michal Privoznik <mprivozn>
Status: CLOSED ERRATA QA Contact: Virtualization Bugs <virt-bugs>
Severity: high Docs Contact:
Priority: high    
Version: 6.4CC: acathrow, ajia, dyasny, dyuan, gsun, laine, mzhan, rwu, whuang, ydu, yupzhang
Target Milestone: rcKeywords: Regression
Target Release: ---   
Hardware: x86_64   
OS: Linux   
Whiteboard:
Fixed In Version: libvirt-0.10.2-5.el6 Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2013-02-21 07:09:50 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description zhenfeng wang 2012-10-15 08:00:37 UTC
Description of problem:
libvirtd crash when edit a net with some operation

Version-Release number of selected component (if applicable):
libvirt-0.10.2-2.el6.x86_64
qemu-kvm-0.12.1.2-2.316.el6.x86_64
kernel-2.6.32-312.el6.x86_64

How reproducible:
100%
1 # virsh net-list --all
Name                 State      Autostart     Persistent
--------------------------------------------------
default              inactive   yes           yes
 virsh net-edit default
<network>
  <name>default</name>
  <uuid>a9b504eb-0c98-4736-bbda-97b2cd9f9d0e</uuid>
  <forward mode='nat'/>
  <bridge name='virbr0' stp='on' delay='0' />
  <mac address='00:00:00:00:00:00'/>
  <ip address='192.168.122.1' netmask='255.255.255.0'>
    <dhcp>
      <range start='192.168.122.2' end='192.168.122.254' />
    </dhcp>
  </ip>
</network>
# virsh net-start default
error: Failed to start network default
error: Cannot set interface MAC on 'virbr0-nic': Cannot assign requested address

3 modified the mac to the correct one,then do some operation about the default net
#virsh net-edit default
<network>
  <name>default</name>
  <uuid>a9b504eb-0c98-4736-bbda-97b2cd9f9d0e</uuid>
  <forward mode='nat'/>
  <bridge name='virbr0' stp='on' delay='0' />
  <mac address='00:00:00:00:00:01'/>
  <ip address='192.168.122.1' netmask='255.255.255.0'>
    <dhcp>
      <range start='192.168.122.2' end='192.168.122.254' />
    </dhcp>
  </ip>
</network>
# virsh net-start default
Network default started

# virsh net-list
Name                 State      Autostart     Persistent
--------------------------------------------------
default              active     yes           yes

# virsh net-destroy default
Network default destroyed

# virsh net-edit default
error: failed to get network 'default'
error: End of file while reading data: Input/output error
error: Failed to reconnect to the hypervisor

 
Actual results:
the libvirtd crashed,while edit the net

Expected results:
The net should be edit successfully,and the libvirtd should keep running

Additional info

Comment 1 zhenfeng wang 2012-10-15 08:01:59 UTC
Since it works well in libvirt-0.10.1-1.el6.x86_64, so I mark this bug a regression bug.

Comment 4 Michal Privoznik 2012-10-18 14:46:01 UTC
Patch proposed upstream:

https://www.redhat.com/archives/libvir-list/2012-October/msg00990.html

Comment 8 yanbing du 2012-10-24 09:24:26 UTC
Verify this bug with libvirt-0.10.2-5.el6.x86_64 following steps in comment 0.

Comment 9 errata-xmlrpc 2013-02-21 07:09:50 UTC
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

http://rhn.redhat.com/errata/RHSA-2013-0276.html