From owner-freebsd-hackers@FreeBSD.ORG  Thu Jul 29 16:45:48 2010
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From: Alexander Fiveg <pebu3op@googlemail.com>
Organization: Google
To: Andriy Gapon <avg@icyb.net.ua>
Date: Thu, 29 Jul 2010 18:45:45 +0200
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Cc: freebsd-hackers@freebsd.org
Subject: Re: coherence-problem on the mapped memory buffer
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On Thursday 29 July 2010 18:13:23 Andriy Gapon wrote:
> on 29/07/2010 17:13 Alexander Fiveg said the following:
> > P.S. Details about hardware and used software:
> > 1. /var/run/dmesg.boot :
> > ...
> > CPU: Dual Core AMD Opteron(tm) Processor 865 (1800.01-MHz 686-class CPU)
> >   Origin = "AuthenticAMD"  Id = 0x20f10  Family = f  Model = 21  Stepping
> > = 0
> >
> > 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+,FFXSR,LM,3DNow!+,3DNow!>
> >   AMD Features2=0x3<LAHF,CMP>
> > real memory  = 3758030848 (3583 MB)
> > avail memory = 3677495296 (3507 MB)
> > ACPI APIC Table: <A M I  OEMAPIC >
> > FreeBSD/SMP: Multiprocessor System Detected: 8 CPUs
> > FreeBSD/SMP: 4 package(s) x 2 core(s)
> > ...
> >
> > 2. uname -v
> > FreeBSD 9.0-CURRENT #3
> >
> > 3. sysctl kern.osreldate
> > kern.osreldate: 900014
> >
> > 4. //depot/projects/soc2010/ringmap/
>
> No help, but just curious - do use amd64 variant?
> If yes, can you reproduce the problem with i386?

No, my kernel is i386, but I will try test it with amd64.

Thanks 
Alex