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    SubjectRe: [PATCH 3/3] x86: fix node_possible_map logic -v2
    On Tue, May 12, 2009 at 09:40:52AM -0700, Yinghai Lu wrote:
    > On Tue, May 12, 2009 at 9:16 AM, Jack Steiner <steiner@sgi.com> wrote:
    > > On Tue, May 12, 2009 at 08:10:18AM -0700, Yinghai Lu wrote:
    > >> jack,
    > >>
    > >> can you confirm:
    > >> 1. without this patch, your system still have problem?
    > >> 2. does current tip/master work for you?
    > >
    > > The current tip/master fails with or without the patch. AFAICT, the
    > > failure is identical in both cases.
    >
    > ok, can you try attach patch to check cpu_to_node mapping?

    The boot messages are somewhat inconsistent:

    Earlier in boot:

    <6>Setting APIC routing to cluster x2apic.
    <6>SRAT: PXM 0 -> APIC 0 -> Node 0
    <6>SRAT: PXM 1 -> APIC 128 -> Node 1
    <6>SRAT: Node 1 PXM 1 0-fff6c000


    but at the point of your debug messages:

    <6>cpu 0 -> apicid 0x0 -> node 1
    <6>cpu 1 -> apicid 0x80 -> node 1





    BIOS log:

    PROM>> Build ACPI tables
    PROM>> RSDP at 0x00000000000e0200
    PROM>> XSDT at 0x00000000000e0240
    PROM>> DSDT at 0x00000000000e02a0
    PROM>> MADT at 0x00000000000e02e0 (0xa0)
    PROM>> sapic: cpu 0, socket 0, lcpu 0, proc_id 0x0, id 0x00, eid 0x00, apicid 0x0000,
    PROM>> sapic: cpu 1, socket 1, lcpu 0, proc_id 0x1, id 0x00, eid 0x80, apicid 0x0080,
    PROM>> io_apic: id 8, base 0, entries 24, prq 0, arb 0
    PROM>> io_apic: id 9, base 24, entries 24, prq 1, arb 9
    PROM>> lapic_nmi: acpi_id 0, flags 0x5, lint 1
    PROM>> lapic_nmi: acpi_id 1, flags 0x5, lint 1
    PROM>> int_src_ovr: bus 0, bus_irq 0, global_irq 2, flags 5
    PROM>> int_src_ovr: bus 0, bus_irq 9, global_irq 9, flags 13
    PROM>> SRAT at 0x00000000000e0380
    PROM>> Memory:
    PROM>> blade 1, soc 1: paddr 0x0 - 0xfff6c000 (3GB + 1023MB + 442368), pxm 1
    PROM>> Processor at 00000000000e03d8:
    PROM>> soc 0, lcpu 0: sapicid 0x0000, pxm 0
    PROM>> soc 1, lcpu 0: sapicid 0x0080, pxm 1
    PROM>> SLIT at 0x00000000000e05e0, dim 2
    PROM>> 10 21
    PROM>> 21 10
    PROM>> FADT at 0x00000000000e06a0
    PROM>> FACS at 0x00000000000e07a0
    PROM>> DMAR at 0x00000000000e0860

    Kernel log:
    <6>Initializing cgroup subsys cpuset
    <6>Initializing cgroup subsys cpu
    <5>Linux version 2.6.30-rc5-next-20090512-medusa (steiner@alcatraz.americas.sgi.com) (gcc version 4.2.4) #4 SMP Tue May 12 12:55:26 CDT 2009
    <6>Command line: root=/dev/hda2 init=/bin/bash console=ttyS0,38400n8 fprom lpj=10000 nohpet loglevel=8 iommu=off dma32_size=4096
    <6>KERNEL supported cpus:
    <6> Intel GenuineIntel
    <6> AMD AuthenticAMD
    <6> Centaur CentaurHauls
    <6>BIOS-provided physical RAM map:
    <6> BIOS-e820: 0000000000000000 - 0000000000006000 (usable)
    <6> BIOS-e820: 0000000000006000 - 0000000000200000 (reserved)
    <6> BIOS-e820: 0000000000200000 - 0000000010000000 (usable)
    <6> BIOS-e820: 0000000080000000 - 0000000090000000 (reserved)
    <6> BIOS-e820: 00000000f0000000 - 00000000fc000000 (reserved)
    <6> BIOS-e820: 00000000fed1c000 - 00000000fed20000 (reserved)
    <6> BIOS-e820: 00000000fff60000 - 00000000fff6c000 (reserved)
    <6> BIOS-e820: 00000fe000000000 - 00000fe018000000 (reserved)
    <6>EFI v1.00 by SGI
    <6> ACPI 2.0=0xe0200 UVsystab=0xe08c0
    <6>EFI: mem00: type=7, attr=0x8, range=[0x0000000000000000-0x0000000000006000) (0MB)
    <6>EFI: mem01: type=5, attr=0x8000000000001000, range=[0x0000000000006000-0x00000000000b0000) (0MB)
    <6>EFI: mem02: type=6, attr=0x8000000000000008, range=[0x00000000000b0000-0x0000000000200000) (1MB)
    <6>EFI: mem03: type=7, attr=0x8, range=[0x0000000000200000-0x0000000010000000) (254MB)
    <6>EFI: mem04: type=6, attr=0x8000000000000001, range=[0x0000000080000000-0x0000000090000000) (256MB)
    <6>EFI: mem05: type=6, attr=0x8000000000000001, range=[0x00000000f0000000-0x00000000fc000000) (192MB)
    <6>EFI: mem06: type=6, attr=0x8000000000000001, range=[0x00000000fed1c000-0x00000000fed20000) (0MB)
    <6>EFI: mem07: type=6, attr=0x8000000000000001, range=[0x00000000fff60000-0x00000000fff6c000) (0MB)
    <6>EFI: mem08: type=11, attr=0x8000000000000001, range=[0x00000fe000000000-0x00000fe018000000) (384MB)
    <6>DMI not present or invalid.
    <6>last_pfn = 0x10000 max_arch_pfn = 0x100000000
    <7>MTRR default type: write-back
    <7>MTRR fixed ranges enabled:
    <7> 00000-FFFFF write-back
    <7>MTRR variable ranges enabled:
    <7> 0 base 0 F0000000 mask FFF F0000000 uncachable
    <7> 1 base E0 00000000 mask FF0 00000000 uncachable
    <7> 2 base F0 00000000 mask FF0 00000000 uncachable
    <7> 3 base F00 00000000 mask FF0000000000 uncachable
    <7> 4 disabled
    <7> 5 disabled
    <7> 6 disabled
    <7> 7 disabled
    <6>x86 PAT enabled: cpu 0, old 0x606060606060606, new 0x7010600070106
    <6>x2apic enabled by BIOS, switching to x2apic ops
    <6>init_memory_mapping: 0000000000000000-0000000010000000
    <7> 0000000000 - 0010000000 page 2M
    <7>kernel direct mapping tables up to 10000000 @ 93a000-93c000
    <4>ACPI: RSDP 00000000000e0200 00024 (v02 )
    <4>ACPI: XSDT 00000000000e0240 00054 (v01 SGI UVX 00010001 FPRM 00000001)
    <4>ACPI: APIC 00000000000e02e0 00086 (v01 SGI UVX 00010001 FPRM 00000001)
    <4>ACPI: SRAT 00000000000e0380 00078 (v01 SGI UVX 00010001 FPRM 00000001)
    <4>ACPI: SLIT 00000000000e05e0 00030 (v01 SGI UVX 00010001 FPRM 00000001)
    <4>ACPI: MCFG 00000000000e0640 0004C (v01 SGI UVX 00010001 FPRM 00000001)
    <4>ACPI: FACP 00000000000e06a0 000F4 (v03 SGI UVX 00030001 FPRM 00000001)
    <4>ACPI: DSDT 00000000000e02a0 00030 (v01 SGI UVX 00010001 FPRM 00000001)
    <4>ACPI: FACS 00000000000e07a0 00040
    <4>ACPI: DMAR 00000000000e0860 0004C (v01 SGI UVX 00010001 FPRM 00000001)
    <7>ACPI: Local APIC address 0xfee00000
    <6>Setting APIC routing to cluster x2apic.
    <6>SRAT: PXM 0 -> APIC 0 -> Node 0
    <6>SRAT: PXM 1 -> APIC 128 -> Node 1
    <6>SRAT: Node 1 PXM 1 0-fff6c000
    <7>NUMA: Using 63 for the hash shift.
    <6>Bootmem setup node 1 0000000000000000-0000000010000000
    <6> NODE_DATA [0000000000939a80 - 000000000096da7f]
    <6> bootmap [000000000096e000 - 000000000096ffff] pages 2
    <6>(7 early reservations) ==> bootmem [0000000000 - 0010000000]
    <6> #0 [0000000000 - 0000001000] BIOS data page ==> [0000000000 - 0000001000]
    <6> #1 [0000006000 - 0000008000] TRAMPOLINE ==> [0000006000 - 0000008000]
    <6> #2 [0000200000 - 0000939a5c] TEXT DATA BSS ==> [0000200000 - 0000939a5c]
    <6> #3 [000009f000 - 00000e0900] BIOS reserved ==> [000009f000 - 00000e0900]
    <6> #4 [00000e0a68 - 0000100000] BIOS reserved ==> [00000e0a68 - 0000100000]
    <6> #5 [00000e0900 - 00000e0a68] EFI memmap ==> [00000e0900 - 00000e0a68]
    <6> #6 [0000001000 - 0000001030] ACPI SLIT ==> [0000001000 - 0000001030]
    <7> [ffffe20000000000-ffffe200003fffff] PMD -> [ffff880001200000-ffff8800015fffff] on node 1
    <4>Zone PFN ranges:
    <4> DMA 0x00000000 -> 0x00001000
    <4> DMA32 0x00001000 -> 0x00100000
    <4> Normal 0x00100000 -> 0x00100000
    <4>Movable zone start PFN for each node
    <4>early_node_map[2] active PFN ranges
    <4> 1: 0x00000000 -> 0x00000006
    <4> 1: 0x00000200 -> 0x00010000
    <7>On node 1 totalpages: 65030
    <7> DMA zone: 56 pages used for memmap
    <7> DMA zone: 1948 pages reserved
    <7> DMA zone: 1586 pages, LIFO batch:0
    <7> DMA32 zone: 840 pages used for memmap
    <7> DMA32 zone: 60600 pages, LIFO batch:15
    <6>ACPI: PM-Timer IO Port: 0x1008
    <7>ACPI: Local APIC address 0xfee00000
    <6>Setting APIC routing to cluster x2apic.
    <6>ACPI: LSAPIC (acpi_id[0x00] lsapic_id[0x00] lsapic_eid[0x00] enabled)
    <6>ACPI: LSAPIC (acpi_id[0x01] lsapic_id[0x00] lsapic_eid[0x80] enabled)
    <6>ACPI: LAPIC_NMI (acpi_id[0x00] high edge lint[0x1])
    <6>ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1])
    <6>ACPI: IOAPIC (id[0x08] address[0xfec00000] gsi_base[0])
    <6>IOAPIC[0]: apic_id 8, version 0, address 0xfec00000, GSI 0-23
    <6>ACPI: IOAPIC (id[0x09] address[0xfec80000] gsi_base[24])
    <6>IOAPIC[1]: apic_id 9, version 0, address 0xfec80000, GSI 24-24
    <6>ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 high edge)
    <6>ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
    <7>ACPI: IRQ0 used by override.
    <7>ACPI: IRQ2 used by override.
    <7>ACPI: IRQ9 used by override.
    <6>Using ACPI (MADT) for SMP configuration information
    <6>SMP: Allowing 2 CPUs, 0 hotplug CPUs
    <6>init_cpu_to_node:
    <6>cpu 0 -> apicid 0x0 -> node 1
    <6>cpu 1 -> apicid 0x80 -> node 1
    <7>nr_irqs_gsi: 25
    <6>PM: Registered nosave memory: 0000000000006000 - 0000000000200000
    <6>Allocating PCI resources starting at 18000000 (gap: 10000000:70000000)
    <6>NR_CPUS:4096 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:2
    <6>PERCPU: Embedded 26 pages at ffff880001005000, static data 76384 bytes



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