Warning: Pentium 4 CPU: PSE disabled
Wilkinson, Alex
alex.wilkinson at dsto.defence.gov.au
Mon Nov 15 21:27:30 PST 2004
John, what is the benefit of Page Size Extensions ?
- aW
0n Mon, Nov 15, 2004 at 04:14:21PM -0500, John Baldwin wrote:
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 at FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve" = http://www.FreeBSD.org
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