Setting a KVM VM CPU to type Broadwell on C2750 worked in 3.4 but not in 4.0, also having this same issue with other systems where the type was set to match the host CPU.
Error when trying to start
warning: host doesn't support requested feature: CPUID.01H:ECX.fma [bit 12]
warning: host...
Have a weird issue with a server that was upgraded from 3.4 to 4.0 where network interfaces do not come up on boot after following the 3.4 to 4.0 upgrade guide.
Nothing on console during boot that would explain anything and I don't see anything in the logs so far that would explain it either...
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