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Date:      Fri, 15 May 2015 09:31:13 +0200
From:      Matthias Apitz <guru@unixarea.de>
To:        freebsd-questions@freebsd.org
Subject:   real memory 4 GB ./. available memory 2 GB
Message-ID:  <20150515073113.GA3513@c720-r276659>

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Hello,

I run a 11-CURRENT amd64 on an Acer C720. What could cause the diff
between real and available mem:

May 14 23:11:16 freeyaz syslogd: kernel boot file is /boot/kernel/kernel
May 14 23:11:16 freeyaz kernel: Copyright (c) 1992-2015 The FreeBSD Project.
May 14 23:11:16 freeyaz kernel: Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
May 14 23:11:16 freeyaz kernel: The Regents of the University of California. All rights reserved.
May 14 23:11:16 freeyaz kernel: FreeBSD is a registered trademark of The FreeBSD Foundation.
May 14 23:11:16 freeyaz kernel: FreeBSD 11.0-CURRENT #0 r276659M: Tue Jan 20 15:26:45 CET 2015
May 14 23:11:16 freeyaz kernel: guru@c720-r276659:/usr/local/acerC720/obj-amd64/amd64.amd64/usr/local/acerC720/src/sys/GENERIC amd64
May 14 23:11:16 freeyaz kernel: FreeBSD clang version 3.5.0 (tags/RELEASE_350/final 216957) 20141124
May 14 23:11:16 freeyaz kernel: VT: running with driver "vga".
May 14 23:11:16 freeyaz kernel: CPU: Intel(R) Celeron(R) 2955U @ 1.40GHz (1396.80-MHz K8-class CPU)
May 14 23:11:16 freeyaz kernel: Origin="GenuineIntel"  Id=0x40651  Family=0x6  Model=0x45  Stepping=1
May 14 23:11:16 freeyaz kernel: 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>
May 14 23:11:16 freeyaz kernel: Features2=0x4ddaebbf<SSE3,PCLMULQDQ,DTES64,MON,DS_CPL,VMX,EST,TM2,SSSE3,<b11>,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,MOVBE,POPCNT,TSCDLT,XSAVE,OSXSAVE,RDRAND>
May 14 23:11:16 freeyaz kernel: AMD Features=0x2c100800<SYSCALL,NX,Page1GB,RDTSCP,LM>
May 14 23:11:16 freeyaz kernel: AMD Features2=0x21<LAHF,ABM>
May 14 23:11:16 freeyaz kernel: Structured Extended Features=0x2603<FSGSBASE,TSCADJ,ERMS,INVPCID>
May 14 23:11:16 freeyaz kernel: XSAVE Features=0x1<XSAVEOPT>
May 14 23:11:16 freeyaz kernel: VT-x: (disabled in BIOS) PAT,HLT,MTF,PAUSE,EPT,UG,VPID
May 14 23:11:16 freeyaz kernel: TSC: P-state invariant, performance statistics
May 14 23:11:16 freeyaz kernel: real memory  = 4301258752 (4102 MB)
May 14 23:11:16 freeyaz kernel: avail memory = 1927536640 (1838 MB)
May 14 23:11:16 freeyaz kernel: Event timer "LAPIC" quality 600
May 14 23:11:16 freeyaz kernel: ACPI APIC Table: <CORE   COREBOOT>
May 14 23:11:16 freeyaz kernel: FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
May 14 23:11:16 freeyaz kernel: FreeBSD/SMP: 1 package(s) x 2 core(s)
May 14 23:11:16 freeyaz kernel: cpu0 (BSP): APIC ID:  0
May 14 23:11:16 freeyaz kernel: cpu1 (AP): APIC ID:  2
May 14 23:11:16 freeyaz kernel: ioapic0 <Version 2.0> irqs 0-39 on motherboard

Thanks

	matthias
-- 
Matthias Apitz, guru@unixarea.de, http://www.unixarea.de/ +49-170-4527211    +49-176-38902045
"Wenn der Mensch von den Umständen gebildet wird, so muß man die Umstände menschlich bilden."
"Si el hombre es formado por las circunstancias entonces es necesario formar humanamente
las circunstancias", Karl Marx in Die heilige Familie / La sagrada familia (MEW 2, 138)



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