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July 2012

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Subject:
From:
Todd And Margo Chester <[log in to unmask]>
Reply To:
Todd And Margo Chester <[log in to unmask]>
Date:
Mon, 9 Jul 2012 15:59:48 -0700
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text/plain
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> On 07/09/2012 03:38 PM, Todd And Margo Chester wrote:> On 07/09/2012 03:05 PM, P. Larry Nelson wrote:
>>> Hi Todd and/or Margo,
>>>
>>> On 7/9/12 4:50 PM, Todd And Margo Chester wrote:
>>>> On 07/09/2012 02:33 PM, Connie Sieh wrote:
>>>>> On Mon, 9 Jul 2012, Todd And Margo Chester wrote:
>>>>>
>>>>>> Hi All,
>>>>>>
>>>>>> I am in trouble here.  I would really appreciate any help
>>>>>> you guys can 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
>>>>>>
>>>>>
>>>>> What security errata and other rpms have been installed recently?
>>>>>
>>>>> -Connie Sieh
>>>>
>>>> Hi Connie,
>>>>
>>>> Thank you for the quick response.
>>>>
>>>> Two weeks ago, I installed "hexedit".  Nothing since then, except
>>>> for downgrading my "flash-plugin"
>>>>
>>>> -T
>>>
>>> Yes, but what about any possible behind-the-scenes security upgrades?
>>> Check /var/log/yum.log
>>>
>>> (Just a thought...)
>>>
>>> - Larry
>>>
>>
>> Oh my.  A lot of stuff goes on in the background.  These
>> two look interesting:
>>
>> Jul 09 11:18:50 Updated: libvirt-0.9.10-21.el6.x86_64
>> Jul 09 11:19:22 Updated: selinux-policy-targeted-3.7.19-155.el6_3.noarch

Hi Larry and Connie,

     The both of you called it.  It did not know I got
updated in the background.  I should have been suspicious
when my stink' flash-plugin mysteriously got updated.
Larry's pointing me to /var/log/yum.log was a
light bulb moment.

    The following fixed my problem:

# yum downgrade libvirt  libvirt-client  libvirt-python
Loaded plugins: priorities, refresh-packagekit, security
Setting up Downgrade Process
18 packages excluded due to repository priority protections
Resolving Dependencies
--> Running transaction check
---> Package libvirt.x86_64 0:0.9.4-23.el6 will be a downgrade
---> Package libvirt.x86_64 0:0.9.10-21.el6 will be erased
---> Package libvirt-client.x86_64 0:0.9.4-23.el6 will be a downgrade
---> Package libvirt-client.x86_64 0:0.9.10-21.el6 will be erased
---> Package libvirt-python.x86_64 0:0.9.4-23.el6 will be a downgrade
---> Package libvirt-python.x86_64 0:0.9.10-21.el6 will be erased
--> Finished Dependency Resolution

Thank you both so much!

-T

p.s. bet you can't guess what my next post is going to be!

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