Re: [ovirt-users] ovirt reports an Intel(R) Xeon(R) CPU E5-2667 v3 @ 3.20GHz as a Intel SandyBridge Family?

On Fri, Dec 18, 2015 at 1:02 PM, gflwqs gflwqs <gflwqs(a)gmail.com&gt; wrote: > Hi, > I have registered a new DELL R730 machine in ovirt 3.5.6 this server type > has a Intel(R) Xeon(R) CPU E5-2667 v3 @ 3.20GHz. > When i try to add a the new host to a cluster with a haswell architecure > i get an error: > "Host xxx moved to Non-Operational state as host does not meet the > cluster's minimum CPU level. Missing CPU features : model_Haswell" > > When i look at the hardware tab on the host it says: > CPU Model: Intel(R) Xeon(R) CPU E5-2667 v3 @ 3.20GHz > and > CPU Type: Intel SandyBridge Family > > This is not a SandyBridge Family processor? > > When i change the cluster to be a SandyBridge Family cluster the host can > be activated. > > What are my options? > - Is it a bug i can get a fix for? (I can't upgrade to 3.6) > - Can i force it to report correctly? > - What am i loosing in terms of functionality/performance if ovirt thinks > its a SandyBridge processor? > > It's a bugged Haswell CPU where the TSX feature has been hardware disabled by Intel with a microcode upgrade due to an hardware bug: http://www.anandtech.com/show/8376/intel-disables-tsx-instructions-erratu... https://bugzilla.redhat.com/show_bug.cgi?id=1218673 You loosed the TSX feature (Transactional Synchronization eXtensions). > Thanks! > /Christian > > > > > _______________________________________________ > Users mailing list > Users(a)ovirt.org > http://lists.ovirt.org/mailman/listinfo/users > >