<div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Dec 13, 2016 at 12:29 PM, Paolo Bonzini <span dir="ltr"><<a href="mailto:pbonzini@redhat.com" target="_blank">pbonzini@redhat.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><span class="gmail-"><br>
<br>
On 12/12/2016 15:06, Sandro Bonazzola wrote:<br>
><br>
> Hello,<br>
> where to find details about this info?<br>
> I ask because on my tests in a nested environment with 4.1 beta on<br>
> CentOS 7.2 + CR (that should match upcoming 7.3) I was not able to<br>
> power on the SHE VM using qemu-kvm-ev-2.6.0-27.1.el7.<wbr>x86_64.rpm<br>
> manually downloaded<br>
> by <a href="http://buildlogs.centos.org/centos/7/virt/x86_64/kvm-common" rel="noreferrer" target="_blank">http://buildlogs.centos.org/<wbr>centos/7/virt/x86_64/kvm-<wbr>common</a><br>
> <<a href="http://buildlogs.centos.org/centos/7/virt/x86_64/kvm-common" rel="noreferrer" target="_blank">http://buildlogs.centos.org/<wbr>centos/7/virt/x86_64/kvm-<wbr>common</a>><br>
><br>
> Got error<br>
> warning: host doesn't support requested feature: CPUID.07H:EBX.erms<br>
> [bit 9]<br>
><br>
><br>
> Michal, Paolo, what about above error?<br>
<br>
</span>It's harmless. I would first of all check if L0 has the bit (you can do<br>
it with cat /proc/cpuinfo on a live Linux CD). If it does, tell VMWare<br>
to fix it. If it bugs you, you can force the bit to 1 in ESX, even if<br>
L0 doesn't have it.<br>
<span class="gmail-HOEnZb"><font color="#888888"><br>
Paolo<br>
</font></span></blockquote></div><br></div><div class="gmail_extra"><br></div><div class="gmail_extra">Hello,</div><div class="gmail_extra">thanks for answering.</div><div class="gmail_extra">On an identical nuc where I have instead oVirt 4.0.5 directly installed on L0 host with CentOS 7.2 I get:</div><div class="gmail_extra"><br></div><div class="gmail_extra"><div class="gmail_extra">[g.cecchi@ovirt01 ~]$ cat /proc/cpuinfo </div><div class="gmail_extra">processor<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>: 0</div><div class="gmail_extra">vendor_id<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>: GenuineIntel</div><div class="gmail_extra">cpu family<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>: 6</div><div class="gmail_extra">model<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>: 78</div><div class="gmail_extra">model name<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>: Intel(R) Core(TM) i5-6260U CPU @ 1.80GHz</div><div class="gmail_extra">stepping<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>: 3</div><div class="gmail_extra">microcode<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>: 0x8a</div><div class="gmail_extra">cpu MHz<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>: 2740.570</div><div class="gmail_extra">cache size<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>: 4096 KB</div><div class="gmail_extra">physical id<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>: 0</div><div class="gmail_extra">siblings<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>: 4</div><div class="gmail_extra">core id<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>: 0</div><div class="gmail_extra">cpu cores<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>: 2</div><div class="gmail_extra">apicid<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>: 0</div><div class="gmail_extra">initial apicid<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>: 0</div><div class="gmail_extra">fpu<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>: yes</div><div class="gmail_extra">fpu_exception<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>: yes</div><div class="gmail_extra">cpuid level<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>: 22</div><div class="gmail_extra">wp<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>: yes</div><div class="gmail_extra">flags<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>: 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</div><div class="gmail_extra">bogomips<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>: 3600.06</div><div class="gmail_extra">clflush size<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>: 64</div><div class="gmail_extra">cache_alignment<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>: 64</div><div class="gmail_extra">address sizes<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>: 39 bits physical, 48 bits virtual</div><div class="gmail_extra">power management:</div><div class="gmail_extra"><br></div><div class="gmail_extra">. . . </div><div class="gmail_extra"><br></div><div class="gmail_extra">What is the flag to check?</div><div class="gmail_extra">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...</div><div class="gmail_extra">Gianluca</div><div><br></div></div></div>