[ovirt-users] Missing CPU features
Bloemen, Jurriën
Jurrien.Bloemen at dmc.amcnetworks.com
Wed May 20 10:43:24 UTC 2015
Hi,
On 19-05-15 23:18, Rik Theys wrote:
Hi,
On Tue, 19 May 2015, Bloemen, Jurriën wrote:
I try to add a new host to a new cluster but I get this message:
Host <hostname> moved to Non-Operational state as host does not meet the cluster's minimum CPU
level. Missing CPU features : model_Haswell
The Haswell cpu had a processor feature (hle, TSX-NI) that turned out to
be flaky and Intel disabled this feature with a microcode update.
The cpu's with the updated microcode no longer have the 'hle' feature in
/proc/cpuinfo. oVirt/libvirt does not see the cpu as "Haswell" as the
required feature is missing.
Upstream libvirt has introduced "Haswell-noTSX" variants and oVirt will
probably get a new CPU type to match in a future release.
For now I've configured the CPU model as SandyBridge on my Haswell
cpu's.
I filed a bug about this in the oVirt bugzilla:
https://bugzilla.redhat.com/show_bug.cgi?id=1218673
Thanks for clarifying that!
I had to go down to Intel Nehalem Family to get it working.
Regards,
Jurriën
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