[ovirt-users] [HEADS UP] CentOS 7.3 is rolling out, need qemu-kvm-ev 2.6

[Paolo Bonzini]

On 13/12/2016 12:38, Gianluca Cecchi wrote:
> flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat
> pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb
> rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology
> nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl vmx
> est tm2 ssse3 fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt
> tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch
> ida arat epb pln pts dtherm hwp hwp_noitfy hwp_act_window hwp_epp
> tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 avx2 smep
> bmi2 erms invpcid mpx rdseed adx smap clflushopt xsaveopt xsavec xgetbv1
> xsaves
> bogomips: 3600.06
> clflush size: 64
> cache_alignment: 64
> address sizes: 39 bits physical, 48 bits virtual
> power management:
> 
> . . . 
> 
> What is the flag to check?

It's erms, which is there.  But it's not the culprit.

Sorry if you have already tested it, but have you tried using 7.2 kernel
with QEMU 2.6, and then 7.3 kernel with QEMU 2.3?  That would allow
finding the guilty component more easily.

Thanks,

> Even if harmless, it seems that qemu-2.6 doesn't boot the self hosted
> engine VM, because it remains somehow inside a sort of bios window,
> while qemu-2.3 boots it without any problem and able to configure hosted
> engine...
> Gianluca