Re: CONFIG_K8_NUMA x86_64 no-memory node bug

[John Blackwood <john.blackwood@ccur.com>]

> John,
>
> Can you please double check if the problem is still there in the latest
> 2.6.16-rc2-git* kernel? I fixed a couple of SRAT issues in there and at
> least one change could have fixed your problem too.
>
> Thanks,
> -Andi

Hi Andi,

Sorry, but the 2.6.16-rc2-git3 version didn't seem to work any better 
for me.
I have the output with numa=noacpi, and another output without the 
'numa=noacpi'.

-----------------------------------------------------------------------------------------
-----------------------------------------------------------------------------------------
grub> boot 

Bootdata ok (command line is root=/dev/sda2 console=ttyS0,115200 
earlyprintk=serial,ttyS0,115200 numa=noacpi)
Linux version 2.6.16-rc2-git3 (johnb@mario) (gcc version 3.2.3 20030502 
(Red Hat Linux 3.2.3-49)) #1 SMP PREEMPT Tue Feb 7
14:27:13 EST 2006
BIOS-provided physical RAM map:
 BIOS-e820: 0000000000000000 - 000000000009ac00 (usable)
 BIOS-e820: 000000000009ac00 - 00000000000a0000 (reserved)
 BIOS-e820: 00000000000ce000 - 0000000000100000 (reserved)
 BIOS-e820: 0000000000100000 - 00000000bff70000 (usable)
 BIOS-e820: 00000000bff70000 - 00000000bff7f000 (ACPI data)
 BIOS-e820: 00000000bff7f000 - 00000000bff80000 (ACPI NVS)
 BIOS-e820: 00000000bff80000 - 00000000d0000000 (reserved)
 BIOS-e820: 00000000fec00000 - 00000000fec00400 (reserved)
 BIOS-e820: 00000000fee00000 - 00000000fee01000 (reserved)
 BIOS-e820: 00000000fff80000 - 0000000100000000 (reserved)
 BIOS-e820: 0000000100000000 - 0000000180000000 (usable)
kernel direct mapping tables up to 180000000 @ 8000-8000
Scanning NUMA topology in Northbridge 24
Number of nodes 4
Node 0 MemBase 0000000000000000 Limit 0000000040000000
Node 1 MemBase 0000000040000000 Limit 0000000080000000
Skipping disabled node 2
Node 3 MemBase 0000000080000000 Limit 0000000180000000
Using node hash shift of 30
Bootmem setup node 0 0000000000000000-0000000040000000
Bootmem setup node 1 0000000040000000-0000000080000000
Bootmem setup node 3 0000000080000000-0000000180000000
ACPI: PM-Timer IO Port: 0xc008
ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
Processor #0 15:5 APIC version 16
ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled)
Processor #1 15:5 APIC version 16
ACPI: LAPIC (acpi_id[0x02] lapic_id[0x02] enabled)
Processor #2 15:5 APIC version 16
ACPI: LAPIC (acpi_id[0x03] lapic_id[0x03] enabled)
Processor #3 15:5 APIC version 16
ACPI: LAPIC_NMI (acpi_id[0x00] high edge lint[0x1])
ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1])
ACPI: LAPIC_NMI (acpi_id[0x02] high edge lint[0x1])
ACPI: LAPIC_NMI (acpi_id[0x03] high edge lint[0x1])
ACPI: IOAPIC (id[0x04] address[0xfec00000] gsi_base[0])
IOAPIC[0]: apic_id 4, version 17, address 0xfec00000, GSI 0-23
ACPI: IOAPIC (id[0x05] address[0xee200000] gsi_base[24])
IOAPIC[1]: apic_id 5, version 17, address 0xee200000, GSI 24-27
ACPI: IOAPIC (id[0x06] address[0xee201000] gsi_base[28])
IOAPIC[2]: apic_id 6, version 17, address 0xee201000, GSI 28-31
ACPI: IOAPIC (id[0x07] address[0xee203000] gsi_base[32])
IOAPIC[3]: apic_id 7, version 17, address 0xee203000, GSI 32-35
ACPI: IOAPIC (id[0x08] address[0xee205000] gsi_base[36])
IOAPIC[4]: apic_id 8, version 17, address 0xee205000, GSI 36-39
ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 high edge)
Setting APIC routing to flat
Using ACPI (MADT) for SMP configuration information
Allocating PCI resources starting at d4000000 (gap: d0000000:2ec00000)
Checking aperture...
CPU 0: aperture @ c0000000 size 256 MB
CPU 1: aperture @ c0000000 size 256 MB
CPU 2: aperture @ c0000000 size 256 MB
CPU 3: aperture @ c0000000 size 256 MB
PANIC: early exception rip ffffffff80837ea3 error 0 cr2 8b8

Call Trace: <ffffffff80837ea3>{build_zonelists_node+33}
       <ffffffff80838133>{build_zonelists+276} 
<ffffffff808381a3>{build_all_zonelists+58}
       <ffffffff808227d2>{start_kernel+78} 
<ffffffff808222d2>{x86_64_start_kernel+467}

-----------------------------------------------------------------------------------------
-----------------------------------------------------------------------------------------

grub> boot 

Bootdata ok (command line is root=/dev/sda2 console=ttyS0,115200 
earlyprintk=serial,ttyS0,115200)
Linux version 2.6.16-rc2-git3 (johnb@mario) (gcc version 3.2.3 20030502 
(Red Hat Linux 3.2.3-49)) #1 SMP PREEMPT Tue Feb 7 14:27:13 EST 2006
BIOS-provided physical RAM map:
 BIOS-e820: 0000000000000000 - 000000000009ac00 (usable)
 BIOS-e820: 000000000009ac00 - 00000000000a0000 (reserved)
 BIOS-e820: 00000000000ce000 - 0000000000100000 (reserved)
 BIOS-e820: 0000000000100000 - 00000000bff70000 (usable)
 BIOS-e820: 00000000bff70000 - 00000000bff7f000 (ACPI data)
 BIOS-e820: 00000000bff7f000 - 00000000bff80000 (ACPI NVS)
 BIOS-e820: 00000000bff80000 - 00000000d0000000 (reserved)
 BIOS-e820: 00000000fec00000 - 00000000fec00400 (reserved)
 BIOS-e820: 00000000fee00000 - 00000000fee01000 (reserved)
 BIOS-e820: 00000000fff80000 - 0000000100000000 (reserved)
 BIOS-e820: 0000000100000000 - 0000000180000000 (usable)
kernel direct mapping tables up to 180000000 @ 8000-8000
SRAT: PXM 0 -> APIC 0 -> Node 0
SRAT: PXM 1 -> APIC 1 -> Node 1
SRAT: PXM 2 -> APIC 2 -> Node 2
SRAT: PXM 3 -> APIC 3 -> Node 3
SRAT: Node 0 PXM 0 0-a0000
SRAT: Node 0 PXM 0 0-40000000
SRAT: Node 1 PXM 1 40000000-80000000
SRAT: Node 3 PXM 3 80000000-c0000000
SRAT: Node 3 PXM 3 80000000-180000000
Bootmem setup node 0 0000000000000000-0000000040000000
Bootmem setup node 1 0000000040000000-0000000080000000
Bootmem setup node 3 0000000080000000-0000000180000000
PANIC: early exception rip ffffffff8011cb08 error 0 cr2 3440
PANIC: early exception rip ffffffff80115d92 error 0 cr2 ffffffffff5fd023
-----------------------------------------------------------------------------------------
-----------------------------------------------------------------------------------------

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