Memory 64bit see 8gigs but can only use 4gigs

[Dave Jones]

On Fri, Sep 30, 2005 at 06:06:59PM -0400, Chris Miller wrote:
 >  kernel: Memory: 3992156k/8388608k available (2242k kernel code, 0k
 > reserved, 1322k data, 224k init)
 > 
 > 
 >              total       used       free     shared    buffers    
 > cached
 > Mem:       3993352    2541436    1451916          0     526208    
 > 481032
 > -/+ buffers/cache:    1534196    2459156
 > Swap:            0          0          0
 > 
 >  2.6.13-1.1526_FC4smp #1 SMP Wed Sep 28 19:28:24 EDT 2005 x86_64 x86_64
 > x86_64 GNU/Linux
 > 
 > Any idea why I can see all 8gigs but can only use 4gigs?

Try booting with numa=noacpi
If this works, it's a buggy bios.

		Dave