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From: John Baldwin <jhb@FreeBSD.org>
To: freebsd-current@FreeBSD.org, kaspars@os.lv
Date: Mon, 15 Nov 2004 16:14:21 -0500
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Subject: Re: Warning: Pentium 4 CPU: PSE disabled
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On Monday 15 November 2004 11:17 am, Kaspars wrote:
> Hi all,
>
>  I just installed new pc with FreeBSD 4.10 and updated to FreeBSD
> 4.10-RELEASE-p3 and found in dmesg:
> CPU: Intel(R) Pentium(R) 4 CPU 2.40GHz (2411.60-MHz 686-class CPU)
>   Origin = "GenuineIntel"  Id = 0xf29  Stepping = 9
> Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MC
>A,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
> Hyperthreading: 2 logical CPUs
> real memory  = 520028160 (507840K bytes)
> avail memory = 502751232 (490968K bytes)
> Preloaded elf kernel "kernel" at 0xc0329000.
> Warning: Pentium 4 CPU: PSE disabled
> Pentium Pro MTRR support enabled
> md0: Malloc disk
>
> Tryed to google, tryed in ircnet #freebsd but nobody can`t say what
> realy wrong :)

There is a bug in how some of the Pentium4 chips handle PSE that 5.x works 
around already.  However, the fix was too large to backport to 4.x, so 
instead the PSE feature is turned off in 4.x.  I wouldn't worry about it, 
your machine will still work fine without PSE.

-- 
John Baldwin <jhb@FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve"  =  http://www.FreeBSD.org