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Message-ID: <86802c440905121431q682e8924l427a5257da01c370@mail.gmail.com> Date: Tue, 12 May 2009 14:31:33 -0700 From: Yinghai Lu <yhlu.kernel@...il.com> To: Jack Steiner <steiner@....com> Cc: David Rientjes <rientjes@...gle.com>, "H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>, Andrew Morton <akpm@...ux-foundation.org>, Andi Kleen <andi@...stfloor.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> Subject: Re: [PATCH 3/3] x86: fix node_possible_map logic -v2 On Tue, May 12, 2009 at 11:03 AM, Jack Steiner <steiner@....com> wrote: > 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@....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 that mean cpu0 is mapping to node1, because node0 doesn't memory installed. > > > > > > 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@...atraz.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. x2apic related? can you disable x2apic in kernel? 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