> Here's mine. Interesting differences: If you disable Intel Speedstep in the BIOS it should lock the CPU to its fastest speed, but you lose power saving during idle. On Thu, May 11, 2017 at 3:48 PM, ken <gebser@xxxxxxxxxxxx> wrote: > On 05/11/2017 12:45 PM, Leon Fauster wrote: > >> Am 11.05.2017 um 16:29 schrieb Leon Fauster <leonfauster@xxxxxxxxxxxxxx>: >>> >>> Am 11.05.2017 um 14:48 schrieb Leon Fauster <leonfauster@xxxxxxxxxxxxxx >>>> >: >>>> >>>> https://access.redhat.com/support/policy/intel >>>> >>>> shows mainly Xeon CPUs. What about >>>> >>>> Intel Core i7-6700 Quad-Core Skylake >>>> >>>> has the current EL6 variant support for it? >>>> >>>> Any experience? Feedback would be greatly appreciated. >>>> >>> >>> I found this >>> >>> linux-2.6.32-696.1.1.el6/arch/x86/kernel/setup.c >>> >>> 796 if ((boot_cpu_data.x86_vendor == X86_VENDOR_INTEL) && >>> 797 ((boot_cpu_data.x86 == 6))) { >>> 798 switch (boot_cpu_data.x86_model) { >>> 799 case 94: /* Skylake-S */ >>> 800 case 86: /* Broadwell-DE SoC */ >>> 801 case 85: /* Purley */ >>> 802 case 79: /* Broadwell-EP and EX */ >>> 803 case 78: /* Skylake-Y */ >>> 804 case 77: /* Atom Avoton */ >>> 805 case 71: /* Broadwell-H */ >>> 806 case 70: /* Crystal Well */ >>> 807 break; >>> 808 default: >>> 809 if (boot_cpu_data.x86_model > 63) { >>> 810 printk(KERN_CRIT >>> 811 "Detected CPU family %d model %d\n", >>> 812 boot_cpu_data.x86, >>> 813 boot_cpu_data.x86_model); >>> 814 mark_hardware_unsupported("Intel CPU model"); >>> 815 } >>> 816 break; >>> 817 } >>> 818 } >>> >>> not sure if "case 94: /* Skylake-S */" means support for Intel Core >>> i7-6700 Quad-Core Skylake ... >>> >> >> for the record: >> >> model 94 seems to be supported since EL6.7. >> >> A quick install could be booted without issues. >> >> >> # cat /proc/cpuinfo | head -26 ; uname -a >> processor : 0 >> vendor_id : GenuineIntel >> cpu family : 6 >> model : 94 >> model name : Intel(R) Core(TM) i7-6700 CPU @ 3.40GHz >> stepping : 3 >> microcode : 85 >> cpu MHz : 3408.025 >> cache size : 8192 KB >> physical id : 0 >> siblings : 8 >> core id : 0 >> cpu cores : 4 >> apicid : 0 >> initial apicid : 0 >> fpu : yes >> fpu_exception : yes >> cpuid level : 22 >> wp : yes >> 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 xtopology >> nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx 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 xsaveopt pln pts dtherm hwp hwp_noitfy hwp_act_window hwp_epp >> tpr_shadow vnmi flexpriority ept vpid fsgsbase bmi1 hle avx2 smep bmi2 erms >> invpcid rtm rdseed adx >> bogomips : 6816.05 >> clflush size : 64 >> cache_alignment : 64 >> address sizes : 39 bits physical, 48 bits virtual >> power management: >> >> Linux srv-s01.ccds.de 2.6.32-696.1.1.el6.x86_64 #1 SMP Tue Apr 11 >> 17:13:24 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux >> >> -- >> LF >> > > Here's mine. Interesting differences: > > # cat /proc/cpuinfo | head -26; uname -a > processor : 0 > vendor_id : GenuineIntel > cpu family : 6 > model : 94 > model name : Intel(R) Core(TM) i7-6700HQ CPU @ 2.60GHz > stepping : 3 > microcode : 0x9e > cpu MHz : 899.945 > cache size : 6144 KB > physical id : 0 > siblings : 8 > core id : 0 > cpu cores : 4 > apicid : 0 > initial apicid : 0 > fpu : yes > fpu_exception : yes > cpuid level : 22 > wp : yes > 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 art 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 intel_pt tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust > bmi1 hle avx2 smep bmi2 erms invpcid rtm mpx rdseed adx smap clflushopt > xsaveopt xsavec xgetbv1 > bogomips : 5184.00 > clflush size : 64 > cache_alignment : 64 > address sizes : 39 bits physical, 48 bits virtual > power management: > > Linux null.example.com 3.10.0-514.16.1.el7.x86_64 #1 SMP Wed Apr 12 > 15:04:24 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux > > > _______________________________________________ > CentOS mailing list > CentOS@xxxxxxxxxx > https://lists.centos.org/mailman/listinfo/centos > _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx https://lists.centos.org/mailman/listinfo/centos