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xen-users
Re: [Xen-users] X86_64 and 4GB RAM
 
Hi Kupson,
 
Can you check if this problem is related to debian bug #419994?
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=419994
 
 
OK. Interesting.
 
You can easily check that, just try command displaymem in grub command
line. If it shows full memory map then I am wrong and your problem is
unrelated to mine.
 
 
This is what it shows:
grub> displaymem
displaymem
EISA Memory BIOS Interface is present
Address Map BIOS Interface is present
Lower memory: 640K, Upper memory (to first chipset hole): 3072K
[Address Range Descriptor entries immediately follow (values are 64-bit)]
  Usable RAM:  Base Address:  0x0 X 4GB + 0x0,
     Length:   0x0 X 4GB + 0xa0000 bytes
  Reserved:  Base Address:  0x0 X 4GB + 0xa0000,
     Length:   0x0 X 4GB + 0x60000 bytes
  Usable RAM:  Base Address:  0x0 X 4GB + 0x100000,
     Length:   0x0 X 4GB + 0x300000 bytes--
It seems to say 4GB there. Is that OK?
Or does it stop at 3072K (first chipset hole) ?
John
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