[ovirt-devel] OST Regression in add cluster (IBRS related)

[Yaniv Kaul]

On Fri, Jan 12, 2018 at 6:49 PM, Michal Skrivanek <
michal.skrivanek at redhat.com> wrote:

>
>
> On 12 Jan 2018, at 17:32, Yaniv Kaul <ykaul at redhat.com> wrote:
>
>
>
> On Fri, Jan 12, 2018 at 1:05 PM, Michal Skrivanek <michal.skrivanek@
> redhat.com> wrote:
>
>>
>>
>> On 12 Jan 2018, at 08:32, Tomas Jelinek <tjelinek at redhat.com> wrote:
>>
>>
>>
>> On Fri, Jan 12, 2018 at 8:18 AM, Yaniv Kaul <ykaul at redhat.com> wrote:
>>
>>>
>>>
>>> On Fri, Jan 12, 2018 at 9:06 AM, Yaniv Kaul <ykaul at redhat.com> wrote:
>>>
>>>> See[1] - do we need to update Lago / Lago OST plugin?
>>>>
>>>
>>> Something like https://github.com/lago-project/lago-ost-plugin/pull/31 perhaps
>>> (not tested, don't have the HW).
>>>
>>
>> yes, seems like that should do the trick.
>>
>>
>> sure, though, that list is also difficult to maintain
>> e.g. IvyBridge is not an oVirt supported model, there’s no “Skylake” model
>>
>> Nadav, what’s the exact purpose of that list, and can it be eliminated
>> somehow?
>>
>
> It's to match, as possible, between the host CPU (which is passed to L1)
> so it'll match oVirt’s.
>
>
> getting it from "virsh capabilities" on the host would match it a bit
> better. It would be enough to just make the L1 host report (via fake caps
> hook if needed) the same model_X in getVdsCapabilities as the L0
>

That used to be my initial implementation. I don't recall why it was
changed.
Y.


>
> It's not that difficult to maintain. We add new CPUs once-twice a year…?
>
>
> yes, not often
>
> Y.
>
>
>>
>> Thanks,
>> michal
>>
>>
>>
>>
>>> Y.
>>>
>>>
>>>> Error Message
>>>>
>>>> Unsupported CPU model: Haswell-noTSX-IBRS. Supported models: IvyBridge,Westmere,Skylake,Penryn,Haswell,Broadwell,Nehalem,Skylake-Client,Broadwell-noTSX,Conroe,SandyBridge,Haswell-noTSX
>>>>
>>>> Stacktrace
>>>>
>>>> Traceback (most recent call last):
>>>>   File "/usr/lib64/python2.7/unittest/case.py", line 369, in run
>>>>     testMethod()
>>>>   File "/usr/lib/python2.7/site-packages/nose/case.py", line 197, in runTest
>>>>     self.test(*self.arg)
>>>>   File "/usr/lib/python2.7/site-packages/ovirtlago/testlib.py", line 129, in wrapped_test
>>>>     test()
>>>>   File "/usr/lib/python2.7/site-packages/ovirtlago/testlib.py", line 59, in wrapper
>>>>     return func(get_test_prefix(), *args, **kwargs)
>>>>   File "/home/jenkins/workspace/ovirt-system-tests_master_check-patch-el7-x86_64/ovirt-system-tests/basic-suite-master/test-scenarios/002_bootstrap.py", line 277, in add_cluster
>>>>     add_cluster_4(prefix)
>>>>   File "/home/jenkins/workspace/ovirt-system-tests_master_check-patch-el7-x86_64/ovirt-system-tests/basic-suite-master/test-scenarios/002_bootstrap.py", line 305, in add_cluster_4
>>>>     cpu_family = prefix.virt_env.get_ovirt_cpu_family()
>>>>   File "/usr/lib/python2.7/site-packages/ovirtlago/virt.py", line 151, in get_ovirt_cpu_family
>>>>     ','.join(cpu_map[host.cpu_vendor].iterkeys())
>>>> RuntimeError: Unsupported CPU model: Haswell-noTSX-IBRS. Supported models: IvyBridge,Westmere,Skylake,Penryn,Haswell,Broadwell,Nehalem,Skylake-Client,Broadwell-noTSX,Conroe,SandyBridge,Haswell-noTSX
>>>>
>>>>
>>>>
>>>> Y.
>>>>
>>>> [1] http://jenkins.ovirt.org/job/ovirt-system-tests_master_check-patch-el7-x86_64/3498/testReport/junit/(root)/002_bootstrap/add_cluster/
>>>>
>>>>
>>>
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