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Re: fc1_x86_64 preview on tyan thunder k8w (S2885ANRF REV .03)



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Rob Myers wrote:

|> | to respond to myself, i tested 8gb of ram and the kernel |
|> (2.4.22-1.2129.nptlsmp) only reports 3.5gb.
|
| 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

This output is normal.  I was suspecting that perhaps you had something
else reserved in your first 4GB, but grub doesn't detect that.

I don't know enough about how PAE works on the AMD as compared to Intel,
but for some reason PAE isn't working right.  When the system boots,
check out the memory map in your /var/log/messages file.  It should look
something like this (this machine has 6GB and is an Intel, not AMD):

Nov 18 12:34:52 cleo kernel: BIOS-provided physical RAM map:
Nov 18 12:34:52 cleo kernel:  BIOS-e820: 0000000000000000 -
00000000000a0000 (usable)
Nov 18 12:34:52 cleo kernel:  BIOS-e820: 0000000000100000 -
00000000efff0000 (usable)
Nov 18 12:34:52 cleo kernel:  BIOS-e820: 00000000efff0000 -
00000000efffec00 (ACPI data)
Nov 18 12:34:52 cleo kernel:  BIOS-e820: 00000000efffec00 -
00000000effff000 (reserved)
Nov 18 12:34:52 cleo kernel:  BIOS-e820: 00000000fec00000 -
00000000fec10000 (reserved)
Nov 18 12:34:52 cleo kernel:  BIOS-e820: 00000000fee00000 -
00000000fee10000 (reserved)
Nov 18 12:34:52 cleo kernel:  BIOS-e820: 00000000fff80000 -
0000000100000000 (reserved)
Nov 18 12:34:52 cleo kernel:  BIOS-e820: 0000000100000000 -
0000000180000000 (usable)
Nov 18 12:34:52 cleo kernel: 5248MB HIGHMEM available.
Nov 18 12:34:52 cleo kernel: 896MB LOWMEM available.
Nov 18 12:34:52 cleo kernel: found SMP MP-table at 000fe710
Nov 18 12:34:52 cleo kernel: hm, page 000fe000 reserved twice.
Nov 18 12:34:52 cleo kernel: hm, page 000ff000 reserved twice.
Nov 18 12:34:52 cleo syslog: klogd startup succeeded
Nov 18 12:34:52 cleo kernel: hm, page 000f0000 reserved twice.
Nov 18 12:34:52 cleo kernel: On node 0 totalpages: 1572864
Nov 18 12:34:52 cleo kernel: zone(0): 4096 pages.
Nov 18 12:34:52 cleo kernel: zone(1): 225280 pages.
Nov 18 12:34:52 cleo kernel: zone(2): 1343488 pages.

Ron
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