PAE not recognizing all RAM

[Kris Kennaway]

On Fri, Dec 02, 2005 at 05:57:27PM -0500, Mike Barnard wrote:
>    Hi, all. I have a fairly beefy server (Dell PowerEdge 8450, 
> 8-processor 700 Mhz Xeon, 32GB RAM) I'm testing with FreeBSD. I got a 
> 6.0-RELEASE kernel compiled with both SMP and PAE (the only catch was 
> that the hptmv driver breaks the compile with SMP, but that's OK as I 
> don't need it), but for some reason the kernel is only seeing 3.5G of 
> RAM or thereabouts, judging from what I see in dmesg anyway:
> 
> CPU: Intel Pentium III Xeon (700.07-MHz 686-class CPU)
>  Origin = "GenuineIntel"  Id = 0x6a1  Stepping = 1
>  
> Features=0x383fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE>
> real memory  = 3758096384 (3584 MB)
> avail memory = 3676594176 (3506 MB)
> FreeBSD/SMP: Multiprocessor System Detected: 8 CPUs
> 
>    The memory line displayed in "top" reflects similar values. Is there 
> some magic I need to do to make it see all the RAM?

No, it should just work if you have the kernel configured correctly.
At a guess you didn't actually enable PAE: please post your kernel
config file so we can check.

Kris
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 187 bytes
Desc: not available
Url : http://lists.freebsd.org/pipermail/freebsd-questions/attachments/20051202/17583b70/attachment.bin