Hi,
Recently, I found that my host in engine was always in a "unassigned state" after the host node was installed. After looking into the vdsm.log, it seemed that vdsm failed to call libvirt as an error, "libvirtError: Cannot write data: Broken pipe". When I started virsh in the host node at that time, a warning was given "WARNING: no socket to connect to" and core dumped with "virsh net-list". It looks like that no right socket was created for virsh to connect to libvirtd. Any comments about this problem? The followings are my steps in the node:


[root@ovirt-node1 ~]# rpm -qa |grep vdsm
vdsm-cli-4.9.6-0.183.git107644d.fc16.shuming1336622293.noarch
vdsm-python-4.9.6-0.183.git107644d.fc16.shuming1336622293.noarch
vdsm-hook-vhostmd-4.9.6-0.183.git107644d.fc16.shuming1336622293.noarch
vdsm-4.9.6-0.183.git107644d.fc16.shuming1336622293.x86_64
vdsm-reg-4.9.6-0.183.git107644d.fc16.shuming1336622293.noarch
vdsm-debug-plugin-4.9.6-0.183.git107644d.fc16.shuming1336622293.noarch
vdsm-hook-faqemu-4.9.6-0.183.git107644d.fc16.shuming1336622293.noarch
vdsm-bootstrap-4.9.6-0.183.git107644d.fc16.shuming1336622293.noarch
[root@ovirt-node1 ~]#
[root@ovirt-node1 ~]# ps -ef |grep libvirt

libvirt-daemon-0.9.11-1.fc17.x86_64
libvirt-daemon-config-nwfilter-0.9.11-1.fc17.x86_64
libvirt-client-0.9.11-1.fc17.x86_64
libvirt-daemon-config-network-0.9.11-1.fc17.x86_64
libvirt-python-0.9.11-1.fc17.x86_64

[root@ovirt-node1 ~]# virsh net-list
WARNING: no socket to connect to
Segmentation fault
[root@ovirt-node1 ~]#


[root@ovirt-node1 ~]# ps -ef |grep vdsm
root 1299 1 0 23:10 ? 00:00:00 /usr/sbin/libvirtd --listen # by vdsm vdsm 1917 1 0 23:10 ? 00:00:00 /bin/bash -e /usr/share/vdsm/respawn --minlifetime 10 --daemon --masterpid /var/run/vdsm/respawn.pid /usr/share vdsm/vdsm vdsm 1919 1917 0 23:10 ? 00:00:06 /usr/bin/python /usr/share/vdsm vdsm root 1940 1919 0 23:10 ? 00:00:00 /usr/bin/sudo -n /usr/bin/python /usr/share/vdsm/supervdsmServer.py 709dfdde-a668-4227-a206-3d8686b4cfa1 1919 root 1941 1940 0 23:10 ? 00:00:00 /usr/bin/python /usr/share/vdsm/supervdsmServer.py 709dfdde-a668-4227-a206-3d8686b4cfa1 1919
root      3711  3055  0 23:22 pts/0    00:00:00 vim /var/log/vdsm/vdsm.log
root      4358  4103  0 23:30 pts/1    00:00:00 grep --color=auto vdsm
[

[root@ovirt-node1 ~]# ps -ef |grep libvirtd
root 4421 1 2 23:31 ? 00:00:00 /usr/sbin/libvirtd --listen # by vdsm
root      4750  4103  0 23:31 pts/1    00:00:00 grep --color=auto libvirtd


--
Shu Ming<shum...@linux.vnet.ibm.com>
IBM China Systems and Technology Laboratory


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