/usr/libexec/qemu-kvm -help QEMU emulator version 1.5.3 (qemu-kvm-1.5.3-126.el7_3.3), Copyright (c) 2003-2008 Fabrice Bellard
[root@centos qemu]# uname -r 3.10.0-514.6.1.el7.x86_64 On Mon, Feb 6, 2017 at 4:53 PM, Vincenzo Romano <vincenzo.rom...@notorand.it > wrote: > Which version of qemu are you using? > Which version of the kernel are you running? > > -- > Vincenzo Romano - NotOrAnd.IT > Information Technologies > -- > NON QVIETIS MARIBVS NAVTA PERITVS > > > 2017-02-06 12:19 GMT+01:00 akhilesh rawat <akhileshrawat...@gmail.com>: > > [root@centos qemu]# /usr/libexec/qemu-kvm -cpu help > > x86 qemu64 QEMU Virtual CPU version 1.5.3 > > x86 phenom AMD Phenom(tm) 9550 Quad-Core Processor > > x86 core2duo Intel(R) Core(TM)2 Duo CPU T7700 @ 2.40GHz > > x86 kvm64 Common KVM processor > > x86 qemu32 QEMU Virtual CPU version 1.5.3 > > x86 kvm32 Common 32-bit KVM processor > > x86 coreduo Genuine Intel(R) CPU T2600 @ 2.16GHz > > x86 486 > > x86 pentium > > x86 pentium2 > > x86 pentium3 > > x86 athlon QEMU Virtual CPU version 1.5.3 > > x86 n270 Intel(R) Atom(TM) CPU N270 @ 1.60GHz > > x86 cpu64-rhel6 QEMU Virtual CPU version (cpu64-rhel6) > > x86 Conroe Intel Celeron_4x0 (Conroe/Merom Class Core 2) > > x86 Penryn Intel Core 2 Duo P9xxx (Penryn Class Core 2) > > x86 Nehalem Intel Core i7 9xx (Nehalem Class Core i7) > > x86 Westmere Westmere E56xx/L56xx/X56xx (Nehalem-C) > > x86 SandyBridge Intel Xeon E312xx (Sandy Bridge) > > x86 Haswell Intel Core Processor (Haswell) > > x86 Broadwell Intel Core Processor (Broadwell) > > x86 Skylake-Client Intel Core Processor (Skylake) > > x86 Opteron_G1 AMD Opteron 240 (Gen 1 Class Opteron) > > x86 Opteron_G2 AMD Opteron 22xx (Gen 2 Class Opteron) > > x86 Opteron_G3 AMD Opteron 23xx (Gen 3 Class Opteron) > > x86 Opteron_G4 AMD Opteron 62xx class CPU > > x86 Opteron_G5 AMD Opteron 63xx class CPU > > x86 host KVM processor with all supported host features > (only > > available in KVM mode) > > > > Recognized CPUID flags: > > pbe ia64 tm ht ss sse2 sse fxsr mmx acpi ds clflush pn pse36 pat cmov > mca > > pge mtrr sep apic cx8 mce pae msr tsc pse de vme fpu > > hypervisor rdrand f16c avx osxsave xsave aes tsc-deadline popcnt movbe > > x2apic sse4.2|sse4_2 sse4.1|sse4_1 dca pcid pdcm xtpr cx16 fma cid ssse3 > tm2 > > est smx vmx ds_cpl monitor dtes64 pclmulqdq|pclmuldq pni|sse3 > > avx512vl avx512bw avx512cd avx512er avx512pf avx512ifma smap adx rdseed > > avx512dq avx512f mpx rtm invpcid erms bmi2 smep avx2 hle bmi1 fsgsbase > > avx512vbmi > > 3dnow 3dnowext lm|i64 rdtscp pdpe1gb fxsr_opt|ffxsr mmxext nx|xd > syscall > > perfctr_nb perfctr_core topoext tbm nodeid_msr tce fma4 lwp wdt skinit > xop > > ibs osvw 3dnowprefetch misalignsse sse4a abm cr8legacy extapic svm > > cmp_legacy lahf_lm > > pmm-en pmm phe-en phe ace2-en ace2 xcrypt-en xcrypt xstore-en xstore > > kvm_pv_unhalt kvm_pv_eoi kvm_steal_time kvm_asyncpf kvmclock kvm_mmu > > kvm_nopiodelay kvmclock > > pfthreshold pause_filter decodeassists flushbyasid vmcb_clean tsc_scale > > nrip_save svm_lock lbrv npt > > xgetbv1 xsavec xsaveopt > > > > > > On Mon, Feb 6, 2017 at 4:45 PM, akhilesh rawat < > akhileshrawat...@gmail.com> > > wrote: > >> > >> thanks , but if you see the guest which was run as > >> > >> qemu -cpu host > >> > >> > >> has auto generated model as SandyBridge in KVM process. > >> > >> usr/libexec/qemu-kvm -name compute-0 -S -machine > >> pc-i440fx-rhel7.0.0,accel=kvm,usb=off -cpu > >> SandyBridge,+vme,+ds,+acpi,+ss,+ht,+tm,+pbe,+dtes64,+ > monitor,+ds_cpl,+vmx,+smx,+est,+tm2,+xtpr,+pdcm,+pcid,+ > dca,+osxsave,+arat,+xsaveopt,+pdpe1gb > >> -m 61440 > >> > >> So now running "--cpu SandyBridge" will make any difference > >> > >> > >> > >> > >> On Mon, Feb 6, 2017 at 4:28 PM, Vincenzo Romano > >> <vincenzo.rom...@notorand.it> wrote: > >>> > >>> 2017-02-06 11:36 GMT+01:00 akhilesh rawat <akhileshrawat...@gmail.com > >: > >>> > > >>> > processor : 19 > >>> > vendor_id : GenuineIntel > >>> > cpu family : 6 > >>> > model : 42 > >>> > >>> Hmmm. your guest CPU is a different model form the host one. > >>> > >>> Would you please: > >>> > >>> - try forcing "SandyBridge" cpu (that'd be your Intel Xeon E312xx) > >>> instead of host and > >>> - check the "Recognized CPUID flags" from the output of > >>> "qemu-system-x86_64 -cpu help" ? > >>> > >>> -- > >>> Vincenzo Romano - NotOrAnd.IT > >>> Information Technologies > >>> -- > >>> NON QVIETIS MARIBVS NAVTA PERITVS > >> > >> > > >
