KVM VM's disappeared

[ToddAndMargo <ToddAndMargo@zoho.com>]

 >> Hi All,
 >>
 >> I am in trouble here.  I would really appreciate any help
 >> you guys an spare.
 >>
 >> Scientific Linux 6.2, 64 bit.  (Red Hat Enterprise Linux 6.2 clone)
 >>
 >> $ rpm -qa \*qemu\*
 >> qemu-kvm-0.12.1.2-2.209.el6_2.4.x86_64
 >> qemu-img-0.12.1.2-2.209.el6_2.4.x86_64
 >> gpxe-roms-qemu-0.9.7-6.9.el6.noarch
 >>
 >> $ uname -r
 >> 2.6.32-220.23.1.el6.x86_64
 >>
 >> When I fired up my KVM Virtual Machine Manager (virt-manager)
 >> this morning, four of my seven virtual machines disappeared,
 >> including the one is desperately need.
 >>
 >> Checking /etc/libvirt/qemu and they are all there.  Same
 >> attributes too.  Checking where I put the virtual hard
 >> drives and they are all there too.
 >>
 >> Okay, so I try firing up the three that remain, I get the
 >> following error message:
 >>
 >>      Error starting domain: unsupported configuration: spice
 >>      TLS port set in XML configuration, but TLS is disabled
 >>      in qemu.conf
 >>
 >> Yes, each VM has a different spice port set so I can tell them
 >> apart.  This has always worked smoothly.
 >>
 >> Huh? qemu.conf is the default.  The one with everything
 >> commented out.  I even checked my backup: no change in
 >> qemu.conf.
 >>
 >> Checking /var/log/libvirt/libvirtd.log gives:
 >>
 >> 2012-07-09 19:36:41.957+0000: 2821: info : libvirt version: 0.9.10, 
package: 21.el6 (Scientific Linux, 2012-06-22-02:34:35, sl6.fnal.gov)
 >> 2012-07-09 19:36:41.957+0000: 2821: error : 
virDomainDefParseXML:8871 : Maximum CPUs greater than topology limit
 >> 2012-07-09 19:36:41.959+0000: 2821: error : 
virDomainDefParseXML:8871 : Maximum CPUs greater than topology limit
 >> 2012-07-09 19:36:41.959+0000: 2821: error : 
virDomainDefParseXML:8871 : Maximum CPUs greater than topology limit
 >> 2012-07-09 19:36:41.960+0000: 2821: error : 
virDomainDefParseXML:8871 : Maximum CPUs greater than topology limit
 >> 2012-07-09 19:47:59.089+0000: 2811: error : 
qemuBuildCommandLine:5526 : unsupported configuration: spice TLS port 
set in XML configuration, but TLS is disabled in qemu.conf
 >>
 >> Again with the spice port error.
 >>
 >> The only thing I did to my system between working yesterday and
 >> not working today was downgrade my flash-plugin.
 >>
 >> I tried setting "spice_tls = 1" in qemu.conf, but the other
 >> four VM still do not show up.  Spice lays an egg on the ones
 >> that do show up, so I set spice_tls back to commented out.
 >>
 >> I removed qemu-kvm-0.12.1.2-2.209.el6_2.4.x86_64,
 >> rebooted, reinstalled, rebooted.  No symptom change.
 >>
 >> What is the world?  I can not find anything wrong!
 >>
 >> Many thanks,
 >> -T
 >
 >
 > Another symptom.  I can not edit ANY of the VMs:
 >
 > # virsh edit KVM-W8.xml
 > error: failed to get domain 'KVM-W8.xml'
 > error: Domain not found: no domain with matching name 'KVM-W8.xml'

Same thing when I dropped the .xml from the name.  The three that
show up work, the other four do not