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    SubjectRe: kdump broken on 2.6.37-rc4
    On 12/16/2010 05:51 PM, H. Peter Anvin wrote:
    > Can whomever has a test case for this please test the attached test patch?
    >
    it works ...

    with PAGE_OFFSET=0xc0000000

    'm in purgatory
    bootconsole [uart0] enabled
    Kernel Layout:
    .text: [0x2e000000-0x2e3f08ca]
    .rodata: [0x2e3f2000-0x2e5a2fff]
    .data: [0x2e5a3000-0x2e5f6467]
    .init: [0x2e5f7000-0x2e670fff]
    .bss: [0x2e675000-0x2e76ffff]
    .brk: [0x2e770000-0x2e954fff]
    memblock_x86_reserve_range: [0x00001000-0x00001fff] EX TRAMPOLINE
    memblock_x86_reserve_range: [0x2e000000-0x2e76ffff] TEXT DATA BSS
    memblock_x86_reserve_range: [0x35c20000-0x35f49fff] RAMDISK
    memblock_x86_reserve_range: [0x0009c800-0x000fffff] * BIOS reserved
    Initializing cgroup subsys cpuset
    Initializing cgroup subsys cpu
    Linux version 2.6.37-rc5-tip+ (root@mpk12-3214-189-181) (gcc version 4.4.4 20100726 (Red Hat 4.4.4-13) (GCC) ) #9 SMP Thu Dec 16 08:46:56 PST 2010
    KERNEL supported cpus:
    Intel GenuineIntel
    AMD AuthenticAMD
    NSC Geode by NSC
    Cyrix CyrixInstead
    Centaur CentaurHauls
    Transmeta GenuineTMx86
    Transmeta TransmetaCPU
    UMC UMC UMC UMC
    BIOS-provided physical RAM map:
    BIOS-e820: [0x00000000000100-0x0000000009c7ff] (usable)
    BIOS-e820: [0x0000000009c800-0x0000000009ffff] (reserved)
    BIOS-e820: [0x000000000e0000-0x000000000fffff] (reserved)
    BIOS-e820: [0x00000000100000-0x0000007ff9ffff] (usable)
    BIOS-e820: [0x0000007ffae000-0x0000007ffaffff] (usable)
    BIOS-e820: [0x0000007ffb0000-0x0000007ffbdfff] (ACPI data)
    BIOS-e820: [0x0000007ffbe000-0x0000007ffeffff] (ACPI NVS)
    BIOS-e820: [0x0000007fff0000-0x0000007fffffff] (reserved)
    BIOS-e820: [0x000000e0000000-0x000000efffffff] (reserved)
    BIOS-e820: [0x000000fec00000-0x000000fec00fff] (reserved)
    BIOS-e820: [0x000000fee00000-0x000000feefffff] (reserved)
    BIOS-e820: [0x000000ff700000-0x000000ffffffff] (reserved)
    last_pfn = 0x7ffb0 max_arch_pfn = 0x1000000
    NX (Execute Disable) protection: active
    user-defined physical RAM map:
    user: [0x00000000000000-0x0000000009ffff] (usable)
    user: [0x0000002e000000-0x00000035f59fff] (usable)
    user: [0x0000007ffb0000-0x0000007ffeffff] (ACPI data)
    DMI present.
    _brk_end: ee8e6000, __brk_limit: ee955000
    _brk_end: ee8e601c, __brk_limit: ee955000
    _brk_end: ee8e6024, __brk_limit: ee955000
    _brk_end: ee8e6030, __brk_limit: ee955000
    _brk_end: ee8e6048, __brk_limit: ee955000
    _brk_end: ee8e6058, __brk_limit: ee955000
    _brk_end: ee8e6060, __brk_limit: ee955000
    _brk_end: ee8e607c, __brk_limit: ee955000
    _brk_end: ee8e60a4, __brk_limit: ee955000
    _brk_end: ee8e60bc, __brk_limit: ee955000
    _brk_end: ee8e60cc, __brk_limit: ee955000
    _brk_end: ee8e60e0, __brk_limit: ee955000
    _brk_end: ee8e6104, __brk_limit: ee955000
    _brk_end: ee8e6118, __brk_limit: ee955000
    _brk_end: ee8e6130, __brk_limit: ee955000
    _brk_end: ee8e6134, __brk_limit: ee955000
    _brk_end: ee8e6148, __brk_limit: ee955000
    _brk_end: ee8e6160, __brk_limit: ee955000
    _brk_end: ee8e618c, __brk_limit: ee955000
    _brk_end: ee8e61b8, __brk_limit: ee955000
    _brk_end: ee8e61e4, __brk_limit: ee955000
    _brk_end: ee8e6210, __brk_limit: ee955000
    _brk_end: ee8e6234, __brk_limit: ee955000
    _brk_end: ee8e6240, __brk_limit: ee955000
    _brk_end: ee8e6254, __brk_limit: ee955000
    _brk_end: ee8e6268, __brk_limit: ee955000
    DMI: Sun Fire X4240/Sun Fire X4240, BIOS 080014 10/15/2008
    e820 update range: [0x00000000000000-0x0000000000ffff] (usable) ==> (reserved)
    e820 remove range: [0x000000000a0000-0x000000000fffff] (usable)
    last_pfn = 0x35f5a max_arch_pfn = 0x1000000
    MTRR default type: uncachable
    MTRR fixed ranges enabled:
    00000-9FFFF write-back
    A0000-EFFFF uncachable
    F0000-FFFFF write-protect
    MTRR variable ranges enabled:
    0 base 000000000000 mask FFFF80000000 write-back
    1 disabled
    2 disabled
    3 disabled
    4 disabled
    5 disabled
    6 disabled
    7 disabled
    x86 PAT enabled: cpu 0, old 0x7010600070106, new 0x7010600070106
    Scan SMP from c0000000 for 1024 bytes.
    Scan SMP from c009fc00 for 1024 bytes.
    Scan SMP from c00f0000 for 65536 bytes.
    found SMP MP-table at [c00ff780] ff780
    memblock_x86_reserve_range: [0x000ff780-0x000ff78f] * MP-table mpf
    mpc: fc4e0-fc6e4
    memblock_x86_reserve_range: [0x000fc4e0-0x000fc6e3] * MP-table mpc
    memblock_x86_reserve_range: [0x2e770000-0x2e8e627b] BRK





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