2.6.28-git catches low memory corruption

From: Martin Capitanio
Date: Sun Oct 19 2008 - 22:02:26 EST


and a mysterious cpu-fan/intel-xorg interaction disappears. Great.

Thanks,
Martin

[ 0.000000] BIOS-provided physical RAM map:
[ 0.000000] BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)
[ 0.000000] BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved)
[ 0.000000] BIOS-e820: 00000000000e0000 - 0000000000100000 (reserved)
[ 0.000000] BIOS-e820: 0000000000100000 - 000000007f4de000 (usable)
[ 0.000000] BIOS-e820: 000000007f4de000 - 000000007f4e9000 (reserved)
[ 0.000000] BIOS-e820: 000000007f4e9000 - 000000007f543000 (usable)
[ 0.000000] BIOS-e820: 000000007f543000 - 000000007f546000 (reserved)
[ 0.000000] BIOS-e820: 000000007f546000 - 000000007f5bb000 (usable)
[ 0.000000] BIOS-e820: 000000007f5bb000 - 000000007f5bf000 (reserved)
[ 0.000000] BIOS-e820: 000000007f5bf000 - 000000007f66b000 (usable)
[ 0.000000] BIOS-e820: 000000007f66b000 - 000000007f6bf000 (ACPI NVS)
[ 0.000000] BIOS-e820: 000000007f6bf000 - 000000007f700000 (ACPI data)
[ 0.000000] BIOS-e820: 000000007f700000 - 0000000080000000 (reserved)
[ 0.000000] BIOS-e820: 00000000f8000000 - 00000000fc000000 (reserved)
[ 0.000000] BIOS-e820: 00000000fec00000 - 00000000fec01000 (reserved)
[ 0.000000] BIOS-e820: 00000000fed14000 - 00000000fed1a000 (reserved)
[ 0.000000] BIOS-e820: 00000000fed1c000 - 00000000fed20000 (reserved)
[ 0.000000] BIOS-e820: 00000000fee00000 - 00000000fee01000 (reserved)
[ 0.000000] BIOS-e820: 00000000fff00000 - 0000000100000000 (reserved)
[ 0.000000] DMI 2.4 present.
[ 0.000000] last_pfn = 0x7f66b max_arch_pfn = 0x3ffffffff
[ 0.000000] Scanning 2 areas for low memory corruption
[ 0.000000] modified physical RAM map:
[ 0.000000] modified: 0000000000000000 - 0000000000001000 (usable)
[ 0.000000] modified: 0000000000001000 - 0000000000006000 (reserved)
[ 0.000000] modified: 0000000000006000 - 0000000000008000 (usable)
[ 0.000000] modified: 0000000000008000 - 0000000000010000 (reserved)
[ 0.000000] modified: 0000000000010000 - 0000000000092c00 (usable)
[ 0.000000] modified: 000000000009fc00 - 00000000000a0000 (reserved)
[ 0.000000] modified: 00000000000e0000 - 0000000000100000 (reserved)
[ 0.000000] modified: 0000000000100000 - 000000007f4de000 (usable)
[ 0.000000] modified: 000000007f4de000 - 000000007f4e9000 (reserved)
[ 0.000000] modified: 000000007f4e9000 - 000000007f543000 (usable)
[ 0.000000] modified: 000000007f543000 - 000000007f546000 (reserved)
[ 0.000000] modified: 000000007f546000 - 000000007f5bb000 (usable)
[ 0.000000] modified: 000000007f5bb000 - 000000007f5bf000 (reserved)
[ 0.000000] modified: 000000007f5bf000 - 000000007f66b000 (usable)
[ 0.000000] modified: 000000007f66b000 - 000000007f6bf000 (ACPI NVS)
[ 0.000000] modified: 000000007f6bf000 - 000000007f700000 (ACPI data)
[ 0.000000] modified: 000000007f700000 - 0000000080000000 (reserved)
[ 0.000000] modified: 00000000f8000000 - 00000000fc000000 (reserved)
[ 0.000000] modified: 00000000fec00000 - 00000000fec01000 (reserved)
[ 0.000000] modified: 00000000fed14000 - 00000000fed1a000 (reserved)
[ 0.000000] modified: 00000000fed1c000 - 00000000fed20000 (reserved)
[ 0.000000] modified: 00000000fee00000 - 00000000fee01000 (reserved)
[ 0.000000] modified: 00000000fff00000 - 0000000100000000 (reserved)
[ 0.000000] init_memory_mapping
[ 0.000000] 0000000000 - 007f600000 page 2M
[ 0.000000] 007f600000 - 007f66b000 page 4k
[ 0.000000] kernel direct mapping tables up to 7f66b000 @ 10000-14000
[ 0.000000] last_map_addr: 7f66b000 end: 7f66b000
[ 0.000000] RAMDISK: 378e9000 - 37fefb9e
[ 0.000000] ACPI: RSDP 000FE020, 0024 (r2 TOSINV)
[ 0.000000] ACPI: XSDT 7F6FE120, 0064 (r1 TOSINV TOSINV00 1 1000013)
[ 0.000000] ACPI: FACP 7F6FD000, 00F4 (r4 TOSINV TOSINV00 1 MSFT 1000013)
[ 0.000000] ACPI: DSDT 7F6F5000, 7A3C (r1 TOSINV TOSINV00 1 MSFT 1000013)
[ 0.000000] ACPI: FACS 7F675000, 0040
[ 0.000000] ACPI: APIC 7F6F4000, 0068 (r2 TOSINV TOSINV00 1 MSFT 1000013)
[ 0.000000] ACPI: HPET 7F6F3000, 0038 (r1 TOSINV TOSINV00 1 MSFT 1000013)
[ 0.000000] ACPI: MCFG 7F6F2000, 003C (r1 TOSINV TOSINV00 1 MSFT 1000013)
[ 0.000000] ACPI: ASF! 7F6F1000, 00A5 (r32 TOSINV TOSINV00 1 MSFT 1000013)
[ 0.000000] ACPI: SLIC 7F6F0000, 0176 (r1 TOSINV TOSINV00 1 MSFT 1000013)
[ 0.000000] ACPI: BOOT 7F6EF000, 0028 (r1 TOSINV TOSINV00 1 MSFT 1000013)
[ 0.000000] ACPI: SSDT 7F6EE000, 04C4 (r1 PmRef CpuPm 3000 INTL 20051117)
[ 0.000000] ACPI: DMI detected: Toshiba
[ 0.000000] ACPI: Local APIC address 0xfee00000
[ 0.000000] (6 early reservations) ==> bootmem [0000000000 - 007f66b000]
[ 0.000000] #0 [0000000000 - 0000001000] BIOS data page ==> [0000000000 - 0000001000]
[ 0.000000] #1 [0000006000 - 0000008000] TRAMPOLINE ==> [0000006000 - 0000008000]
[ 0.000000] #2 [0000200000 - 00008e927c] TEXT DATA BSS ==> [0000200000 - 00008e927c]
[ 0.000000] #3 [00378e9000 - 0037fefb9e] RAMDISK ==> [00378e9000 - 0037fefb9e]
[ 0.000000] #4 [000009fc00 - 0000100000] BIOS reserved ==> [000009fc00 - 0000100000]
[ 0.000000] #5 [0000010000 - 0000012000] PGTABLE ==> [0000010000 - 0000012000]
[ 0.000000] found SMP MP-table at [ffff8800000fe230] 000fe230
[ 0.000000] [ffffe20000000000-ffffe20001ffffff] PMD -> [ffff880001200000-ffff8800031fffff] on node 0
[ 0.000000] Zone PFN ranges:
[ 0.000000] DMA 0x00000000 -> 0x00001000
[ 0.000000] DMA32 0x00001000 -> 0x00100000
[ 0.000000] Normal 0x00100000 -> 0x00100000

reg00: base=0x0fffe0000 ( 4095MB), size= 128KB, count=1: write-protect
reg01: base=0x000000000 ( 0MB), size= 1024MB, count=1: write-back
reg02: base=0x040000000 ( 1024MB), size= 1024MB, count=1: write-back
reg03: base=0x07f800000 ( 2040MB), size= 8MB, count=1: uncachable
reg04: base=0x07f700000 ( 2039MB), size= 1MB, count=1: uncachable
reg05: base=0x080000000 ( 2048MB), size= 256MB, count=1: write-combining

(II) intel: Driver for Intel Integrated Graphics Chipsets: i810,
i810-dc100, i810e, i815, i830M, 845G, 852GM/855GM, 865G, 915G,
E7221 (i915), 915GM, 945G, 945GM, 945GME, 965G, G35, 965Q, 946GZ,
965GM, 965GME/GLE, G33, Q35, Q33,
Mobile Intel GM45 Express Chipset,
Intel Integrated Graphics Device, G45/G43, Q45/Q43
(II) Primary Device is: PCI 00@00:02:0
(II) resource ranges after xf86ClaimFixedResources() call:
[0] -1 0 0xffffffff - 0xffffffff (0x1) MX[B]
[1] -1 0 0x000f0000 - 0x000fffff (0x10000) MX[B]
[2] -1 0 0x000c0000 - 0x000effff (0x30000) MX[B]
[3] -1 0 0x00000000 - 0x0009ffff (0xa0000) MX[B]
[4] -1 0 0x0000ffff - 0x0000ffff (0x1) IX[B]
[5] -1 0 0x00000000 - 0x00000000 (0x1) IX[B]
(II) resource ranges after probing:
[0] -1 0 0xffffffff - 0xffffffff (0x1) MX[B]
[1] -1 0 0x000f0000 - 0x000fffff (0x10000) MX[B]
[2] -1 0 0x000c0000 - 0x000effff (0x30000) MX[B]
[3] -1 0 0x00000000 - 0x0009ffff (0xa0000) MX[B]
[4] 0 0 0x000a0000 - 0x000affff (0x10000) MS[B]
[5] 0 0 0x000b0000 - 0x000b7fff (0x8000) MS[B]
[6] 0 0 0x000b8000 - 0x000bffff (0x8000) MS[B]
[7] -1 0 0x0000ffff - 0x0000ffff (0x1) IX[B]
[8] -1 0 0x00000000 - 0x00000000 (0x1) IX[B]
[9] 0 0 0x000003b0 - 0x000003bb (0xc) IS[B]
[10] 0 0 0x000003c0 - 0x000003df (0x20) IS[B]


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