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Date:      Sat, 18 Jan 2020 18:24:03 +0100 (CET)
From:      Wojciech Puchar <wojtek@puchar.net>
To:        freebsd-hackers@freebsd.org
Subject:   3 cores not detected?
Message-ID:  <alpine.BSF.2.20.2001181822320.21326@puchar.net>

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i installed remotely FreeBSD on Xeon E3-1231v3 based server
according to intel it has 4 cores, 8 threads

https://ark.intel.com/content/www/pl/pl/ark/products/80910/intel-xeon-processor-e3-1231-v3-8m-cache-3-40-ghz.html

this is what i got with FreeBSD 1 core, 2 threads:

Copyright (c) 1992-2019 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
         The Regents of the University of California. All rights reserved.
FreeBSD is a registered trademark of The FreeBSD Foundation.
FreeBSD 11.3-RELEASE #0 r349754: Fri Jul  5 04:45:24 UTC 2019
     root@releng2.nyi.freebsd.org:/usr/obj/usr/src/sys/GENERIC amd64
FreeBSD clang version 8.0.0 (tags/RELEASE_800/final 356365) (based on LLVM 
8.0.0)
VT(vga): resolution 640x480
CPU: Intel(R) Xeon(R) CPU E3-1231 v3 @ 3.40GHz (3392.23-MHz K8-class CPU)
   Origin="GenuineIntel"  Id=0x306c3  Family=0x6  Model=0x3c  Stepping=3

Features=0xbfebfbff<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,HTT,
TM,PBE>

Features2=0x7ffafbff<SSE3,PCLMULQDQ,DTES64,MON,DS_CPL,VMX,SMX,EST,TM2,SSSE3,SDBG,FMA,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,PO
PCNT,TSCDLT,AESNI,XSAVE,OSXSAVE,AVX,F16C,RDRAND>
   AMD Features=0x2c100800<SYSCALL,NX,Page1GB,RDTSCP,LM>
   AMD Features2=0x21<LAHF,ABM>
   Structured Extended 
Features=0x27ab<FSGSBASE,TSCADJ,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,NFPUSG>
   Structured Extended Features3=0x9c000000<IBPB,STIBP,L1DFL,SSBD>
   XSAVE Features=0x1<XSAVEOPT>
   VT-x: PAT,HLT,MTF,PAUSE,EPT,UG,VPID
   TSC: P-state invariant, performance statistics
real memory  = 34359738368 (32768 MB)
avail memory = 33275518976 (31734 MB)
Event timer "LAPIC" quality 600
ACPI APIC Table: <SUPERM SMCI--MB>
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
FreeBSD/SMP: 1 package(s) x 1 core(s) x 2 hardware threads


what is wrong?




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