On Tue, Dec 16, 2014 at 08:48:48AM -0600, Chris Adams wrote:
> I have a oVirt setup that has three nodes, all running CentOS 7, with a
> hosted engine running CentOS 6. Two of the nodes (node8 and node9) are
> configured for hosted engine, and the third (node2) is just a "regular"
> node (as you might guess from the names, more nodes are coming as I
> migrate VMs to oVirt).
>
> On one node, node8, vdsm periodically loses its connection to libvirt,
> which causes vdsm to restart. There doesn't appear to be any trigger
> that I can see (not time of day, load, etc. related). The engine VM is
> up and running on node8 (don't know if that has anything to do with it).
>
> I get some entries in /var/log/messages repeated continuously; the
> "ovirt-ha-broker: sending ioctl 5401 to a partition" I mentioned before,
> and the following:
>
> Dec 15 20:56:23 node8 journal: User record for user '107' was not found: No
> such file or directory
> Dec 15 20:56:23 node8 journal: Group record for user '107' was not found: No
> such file or directory
>
> I don't think those have any relevance (don't know where they come
> from); filtering those out, I see:
>
> Dec 15 20:56:33 node8 journal: End of file while reading data: Input/output
> error
> Dec 15 20:56:33 node8 journal: Tried to close invalid fd 0
> Dec 15 20:56:38 node8 journal: vdsm root WARNING connection to libvirt
> broken. ecode: 1 edom: 7
> Dec 15 20:56:38 node8 journal: vdsm root CRITICAL taking calling process down.
> Dec 15 20:56:38 node8 journal: vdsm vds ERROR libvirt error
> Dec 15 20:56:38 node8 journal: ovirt-ha-broker mgmt_bridge.MgmtBridge ERROR
> Failed to getVdsCapabilities: Error 16 from getVdsCapabilities: Unexpected
> exception
> Dec 15 20:56:45 node8 journal: End of file while reading data: Input/output
> error
> Dec 15 20:56:45 node8 vdsmd_init_common.sh: vdsm: Running run_final_hooks
> Dec 15 20:56:45 node8 systemd: Starting Virtual Desktop Server Manager...
>
>
> It is happening about once a day, but not at any regular interval or
> time (was 02:23 Sunday, then 20:56 Monday).
>
> vdsm.log has this at that time:
>
> Thread-601576::DEBUG::2014-12-15
> 20:56:38,715::BindingXMLRPC::1132::vds::(wrapper) client [127.0.0.1]::call
> getCapabilities with () {}
> Thread-601576::DEBUG::2014-12-15 20:56:38,718::utils::738::root::(execCmd)
> /sbin/ip route show to 0.0.0.0/0 table all (cwd None)
> Thread-601576::DEBUG::2014-12-15 20:56:38,746::utils::758::root::(execCmd)
> SUCCESS: = ''; = 0
> Thread-601576::WARNING::2014-12-15
> 20:56:38,754::libvirtconnection::135::root::(wrapper) connection to libvirt
> broken. ecode: 1 edom: 7
> Thread-601576::CRITICAL::2014-12-15
> 20:56:38,754::libvirtconnection::137::root::(wrapper) taking calling process
> down.
> MainThread::DEBUG::2014-12-15 20:56:38,754::vdsm::58::vds::(sigtermHandler)
> Received signal 15
> Thread-601576::DEBUG::2014-12-15
> 20:56:38,755::libvirtconnection::143::root::(wrapper) Unknown libvirterror:
> ecode: 1 edom: 7 level: 2 message: internal error: client socket is closed
> MainThread::DEBUG::2014-12-15
> 20:56:38,755::protocoldetector::135::vds.MultiProtocolAcceptor::(stop)
> Stopping Acceptor
> MainThread::INFO::2014-12-15
> 20:56:38,755::__init__::563::jsonrpc.JsonRpcServer::(stop) Stopping JsonRPC
> Server
> Detector thread::DEBUG::2014-12-15
> 20:56:38,756::protocoldetector::106::vds.MultiProtocolAcceptor::(_cleanup)
> Cleaning Acceptor
> MainThread::INFO::2014-12-15 20:56:38,757::vmchannels::188::vds::(stop) VM
> channels listener was stopped.
> MainThread::INFO::2014-12-15 20:56:38,758::momIF::91::MOM::(stop) Shutting
> down MOM
> MainThread::DEBUG::2014-12-15
> 20:56:38,759::task::595::Storage.TaskManager.Task::(_updateState)
> Task=`26c7680c-23e2-42bb-964c-272e778a168a`::moving from state init -> state
> preparing
> MainThread::INFO::2014-12-15
> 20:56:38,759::logUtils::44::dispatcher::(wrapper) Run and protect:
> prepareForShutdown(options=None)
> Thread-601576::ERROR::2014-12-15
> 20:56:38,755::BindingXMLRPC::1142::vds::(wrapper) libvirt error
> Traceback (most recent call last):
> File "/usr/share/vdsm/rpc/BindingXMLRPC.py", line 1135, in wrapper
> res = f(*args, **kwargs)
> File "/usr/share/vdsm/rpc/BindingXMLRPC.py", line 463, in getCapabilities
> ret = api.getCapabilities()
> File "/usr/share/vdsm/API.py", line 1245, in getCapabilities
> c = caps.get()
> File "/usr/share/vdsm/caps.py", line 615, in get
> caps.update(netinfo.get())
> File "/usr/lib/python2.7/site-packages/vdsm/netinfo.py", line 812, in get
> nets = networks()
> File "/usr/lib/python2.7/site-packages/vdsm/netinfo.py", line 119, in
> networks
> allNets = ((net, net.name()) for net in conn.listAllNetworks(0))
> File "/usr/lib/python2.7/site-packages/vdsm/libvirtconnection.py", line
> 129, in wrapper
> __connections.get(id(target)).pingLibvirt()
> File "/usr/lib64/python2.7/site-packages/libvirt.py", line 3642, in
> getLibVers
