Date: Wed, 21 Dec 2005 21:23:09 +0100 From: German Tischler <tanis@gaspode.franken.de> To: Tomas Randa <lists@hosting50.cz> Cc: current@freebsd.org Subject: Re: Dual core CPUs support Message-ID: <43A9B9AD.50705@gaspode.franken.de> In-Reply-To: <43A9B726.70207@hosting50.cz> References: <43A9B726.70207@hosting50.cz>
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Hi, Tomas Randa wrote: > Hello all friends of FreeBSD unix, > > IŽd like to ask here, what is the actual situation with dual core CPUs - > Athlon 64 X2 etc. and their functionality with FreeBSD 5.X / 6.X / 7.0 > current. > Few days ago, I bought X2 processor, but unexpectedly FreeBSD found only > one CPU. > I started to search google, but no exact informations is available. > So I am trying this way, is anybody here who could say me status of Dual > Core CPUs in FreeBSD and when (IF) they would be supported? > I tried 5.4/i386 with options SMP, 6.0/i386 with the same config, in > both cases system found only one CPU, but on 5.4 system wrote HTT 2 > logical units. my dmesg output contains ---- FreeBSD 6.0-STABLE #4: Sun Nov 20 19:54:13 CET 2005 ... ACPI APIC Table: <Nvidia AWRDACPI> Timecounter "i8254" frequency 1193182 Hz quality 0 CPU: AMD Athlon(tm) 64 X2 Dual Core Processor 4200+ (2211.34-MHz K8-class CPU) Origin = "AuthenticAMD" Id = 0x20fb1 Stepping = 1 Features=0x178bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2,HTT> Features2=0x1<SSE3> AMD Features=0xe2500800<SYSCALL,NX,MMX+,<b25>,LM,3DNow+,3DNow> real memory = 1073676288 (1023 MB) avail memory = 1026330624 (978 MB) FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs cpu0 (BSP): APIC ID: 0 cpu1 (AP): APIC ID: 1 ---- so it looks like FreeBSD 6 stable (and above) supports them. Btw: why are you trying to use FreeBSD i386 for an AMD64 cpu ? Best regards German Tischler
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