Date: Sat, 18 May 2013 20:22:22 +0300 From: Ivan Klymenko <fidaj@ukr.net> To: Dennis Glatting <freebsd@pki2.com> Cc: freebsd-questions@freebsd.org Subject: Re: More than 32 CPUs under 8.4-P Message-ID: <20130518202222.1d136580@nonamehost.local> In-Reply-To: <1368897188.16472.19.camel@btw.pki2.com> References: <1368897188.16472.19.camel@btw.pki2.com>
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=D0=92 Sat, 18 May 2013 10:13:08 -0700 Dennis Glatting <freebsd@pki2.com> =D0=BF=D0=B8=D1=88=D0=B5=D1=82: >=20 > I have a 4x16=3D64 core server running FreeBSD 8.4-P but only two of the > CPUs (2x16=3D32) are enabled. Enabling the other 32 isn't as simple as > changing MAXCPU in param.h (apparently) and recompiling. >=20 > What do I need to do to enable the other 32 cores? >=20 >=20 > Copyright (c) 1992-2013 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 8.4-PRERELEASE #0 r250401: Wed May 8 21:46:23 PDT 2013 > root@mc:/disk-2/obj/disk-1/src/sys/GENERIC amd64 > gcc version 4.2.1 20070831 patched [FreeBSD] > Timecounter "i8254" frequency 1193182 Hz quality 0 > CPU: AMD Opteron(TM) Processor 6274 (2200.04-MHz > K8-class CPU) > Origin =3D "AuthenticAMD" Id =3D 0x600f12 Family =3D 15 Model =3D 1 > Stepping =3D 2 >=20 > Features=3D0x178bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PG= E,MCA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2,HTT> >=20 > Features2=3D0x1e98220b<SSE3,PCLMULQDQ,MON,SSSE3,CX16,SSE4.1,SSE4.2,POPCNT= ,AESNI,XSAVE,OSXSAVE,AVX> > AMD Features=3D0x2e500800<SYSCALL,NX,MMX+,FFXSR,Page1GB,RDTSCP,LM> > AMD > Features2=3D0x1c9bfff<LAHF,CMP,SVM,ExtAPIC,CR8,ABM,SSE4A,MAS,Prefetch,OSV= W,IBS,XOP,SKINIT,WDT,LWP,FMA4,NodeId,Topology,<b23>,<b24>> > TSC: P-state invariant > real memory =3D 137438953472 (131072 MB) > avail memory =3D 132427862016 (126293 MB) > ACPI APIC Table: <120911 APIC1027> > FreeBSD/SMP: Multiprocessor System Detected: 32 CPUs > FreeBSD/SMP: 2 package(s) x 16 core(s) >=20 http://svnweb.freebsd.org/base/releng/8.4/sys/amd64/include/param.h?revisio= n=3D248810&view=3Dmarkup Set MAXCPU parameter to 64
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