4:31 p.m.
On 09/21/2012 03:37 PM, wujieke wrote:
currently, I create a cluster with Conroe family. My host/node works.
And I
can create some VMs on it.
But I am not sure if the issue talking here will impact the VM's
performance? Or stability ?
performance only, and mostly for guests utilizing new westmere features.
i think this patch was around this
not sure if its in 4.10.0-7.fc17 or a new issue
commit 498d1dd6f01a7f5488792c41f73f7cca57b2c890
Author: Gal Hammer <ghammer(a)redhat.com>
Date: Mon Jun 4 17:55:35 2012 +0300
BZ#737104 Disallow cross-vendor virtualization.
Find vendor for all cpu models, including those based on another
cpu module.
Change-Id: Id52f757971e28058257d819036e58e0f1925c44d
Signed-off-by: Gal Hammer <ghammer(a)redhat.com>
Reviewed-on: http://gerrit.ovirt.org/5035
Reviewed-by: Dan Kenigsberg <danken(a)redhat.com>
diff --git a/vdsm/caps.py b/vdsm/caps.py
index d89099a..7aeedf8 100644
--- a/vdsm/caps.py
+++ b/vdsm/caps.py
@@ -103,20 +103,35 @@ def _getEmulatedMachines():
return [ m.firstChild.toxml() for m in
guestTag.getElementsByTagName('machine') ]
+def _getAllCpuModels():
+ cpu_map = minidom.parseString(
+ file('/usr/share/libvirt/cpu_map.xml').read())
+
+ allModels = dict()
+ for m in cpu_map.getElementsByTagName('arch')[0].childNodes:
+ if m.nodeName != 'model':
+ continue
+ element = m.getElementsByTagName('vendor')
+ if element:
+ vendor = element[0].getAttribute('name')
+ else:
+ # If current model doesn't have a vendor, check if it has a
model
+ # that it is based on. The models in the cpu_map.xml file are
+ # sorted in a way that the base model is always defined before.
+ element = m.getElementsByTagName('model')
+ if element:
+ vendor = allModels.get(element[0].getAttribute('name'),
None)
+ else:
+ vendor = None
+ allModels[m.getAttribute('name')] = vendor
+
+ return allModels
+
@utils.memoized
def _getCompatibleCpuModels():
c = libvirtconnection.get()
- cpu_map = minidom.parseString(
- file('/usr/share/libvirt/cpu_map.xml').read())
- def vendor(modelElem):
- vs = modelElem.getElementsByTagName('vendor')
- if vs:
- return vs[0].getAttribute('name')
- else:
- return None
- allModels = [ (m.getAttribute('name'), vendor(m)) for m
- in cpu_map.getElementsByTagName('arch')[0].childNodes
- if m.nodeName == 'model' ]
+ allModels = _getAllCpuModels()
+
def compatible(model, vendor):
if not vendor:
return False
@@ -133,7 +148,7 @@ def _getCompatibleCpuModels():
raise
return [ 'model_' + model for (model, vendor)
- in allModels if compatible(model, vendor) ]
+ in allModels.iteritems() if compatible(model, vendor) ]
def _parseKeyVal(lines, delim='='):
d = {}
-----Original Message-----
From: Itamar Heim [mailto:iheim@redhat.com]
Sent: Friday, September 21, 2012 3:57 PM
To: wujieke
Cc: 'Mark Wu'; users(a)ovirt.org
Subject: Re: [Users] non-operational state as host does not meet clusters'
minimu CPU level.
On 09/21/2012 09:24 AM, wujieke wrote:
> Thanks a lot. Mark.
>
> Attach output for reference.
ok, so libvirt/virsh detect sandybridge, but vdsm only reports conroe.
there used to be a bug around this in vdsm - which version of vdsm are you
running?
>
> -----Original Message-----
> From: Mark Wu [mailto:wudxw@linux.vnet.ibm.com]
> Sent: Friday, September 21, 2012 2:15 PM
> To: wujieke
> Cc: 'Itamar Heim'; users(a)ovirt.org
> Subject: Re: [Users] non-operational state as host does not meet clusters'
> minimu CPU level.
>
> On 09/21/2012 01:01 PM, wujieke wrote:
>> I follow the wiki page to re-install ovirt with all-in-one version .
>> my local host in ovirt is working now.
>> Thanks a lot.
>>
>> Btw: the cmd " virsh capabilities" complains out :
>>
>> [root@localhost ~]# virsh capabilities Please enter your
>> authentication name:
>> Please enter your password:
>> error: Failed to reconnect to the hypervisor
>> error: no valid connection
>> error: authentication failed: Failed to step SASL negotiation: -1
> (SASL(-1):
>> generic failure: All-whitespace username.)
>>
>> any idea?
> Please try "virsh -r capabilities"
>>
>> -----Original Message-----
>> From: Itamar Heim [mailto:iheim@redhat.com]
>> Sent: Friday, September 21, 2012 12:44 PM
>> To: wujieke
>> Cc: node-devel(a)ovirt.org; users(a)ovirt.org
>> Subject: Re: [Users] non-operational state as host does not meet
clusters'
>> minimu CPU level.
>>
>> On 09/21/2012 03:54 AM, wujieke wrote:
>>> [root@localhost ~]# vdsClient -s 0 getVdsCaps | grep -i flags
>>> cpuFlags =
>>> fpu,vme,de,pse,tsc,msr,pae,mce,cx8,apic,sep,mtrr,pge,mca,cmov,pat,ps
>>> e
>>> 3
>>> 6,clfl
>>> ush,dts,acpi,mmx,fxsr,sse,sse2,ss,ht,tm,pbe,syscall,nx,pdpe1gb,rdtsc
>>> p
>>> ,
>>> lm,con
>>> stant_tsc,arch_perfmon,pebs,bts,rep_good,nopl,xtopology,nonstop_tsc,
>>> a
>>> p
>>> erfmpe
>>> rf,pni,pclmulqdq,dtes64,monitor,ds_cpl,vmx,smx,est,tm2,ssse3,cx16,xt
>>> p
>>> r
>>> ,pdcm,
>>> pcid,dca,sse4_1,sse4_2,x2apic,popcnt,tsc_deadline_timer,aes,xsave,av
>>> x
>>> ,
>>> lahf_l
>>> m,ida,arat,epb,xsaveopt,pln,pts,dts,tpr_shadow,vnmi,flexpriority,ept
>>> ,
>>> v
>>> pid,mo
>>> del_coreduo,model_Conroe
>>>
>>> seems only support model_Conroe?
>> and output of: virsh capabilities?
>>
>>
>>> -----Original Message-----
>>> From: Itamar Heim [mailto:iheim@redhat.com]
>>> Sent: Thursday, September 20, 2012 10:04 PM
>>> To: wujieke
>>> Cc: node-devel(a)ovirt.org; users(a)ovirt.org
>>> Subject: Re: [Users] non-operational state as host does not meet
> clusters'
>>> minimu CPU level.
>>>
>>> On 09/20/2012 12:19 PM, wujieke wrote:
>>>> Hi, everyone, if it's not the right mail list, pls point out..
thanks..
>>>>
>>>> I am trying to install the ovirt on my Xeon E5-2650 process on Dell
>>>> server, which is installed with Fedora 17. While I create a new
>>>> host , which actually is the same server as overt-engine is running.
>>>>
>>>> The host is created ,and starting to "installing". But it ends
with
>>>> "Non operational state".
>>>>
>>>> Error:
>>>>
>>>> Host CPU type is not compatible with cluster properties, missing
>>>> CPU
>>>> feature: model_sandybridge.
>>>>
>>>> But in my cluster, I select "sandybridge" CPU, and my Xeon C5
is
>>>> also in Sandy bridge family. And also this error lead my server
reboot.
>>>>
>>>> Any help is appreciated.
>>>>
>>>> Btw: I have enable INTEL-VT in BIOS. And modprobe KVM and kvm-intel
>>>> modules. . attached is screen shot for error.
>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> Users mailing list
>>>> Users(a)ovirt.org
>>>> http://lists.ovirt.org/mailman/listinfo/users
>>>>
>>> please send output of this command from the host (not engine)
>>> vdsClient -s 0 getVdsCaps | grep -i flags
>>>
>>
>> _______________________________________________
>> Users mailing list
>> Users(a)ovirt.org
>> http://lists.ovirt.org/mailman/listinfo/users
>>