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    SubjectRe: [2.6.27] overlapping early reservations [was: early exception - lockdep related?]
    On Mon, Sep 8, 2008 at 12:14 PM, Luca Tettamanti <kronos.it@gmail.com> wrote:
    > On Mon, Sep 8, 2008 at 8:04 PM, Yinghai Lu <yhlu.kernel@gmail.com> wrote:
    >> On Mon, Sep 8, 2008 at 10:54 AM, Luca Tettamanti <kronos.it@gmail.com> wrote:
    >>
    >> can you post boot log with working kernel + "debug"?
    >
    > This is the map of the early reservations (will send the dmesg + debug later):
    >
    > [ 0.000000] (6 early reservations) ==> bootmem [0000000000 - 00bbf90000]
    > [ 0.000000] #0 [0000000000 - 0000001000] BIOS data page ==>
    > [0000000000 - 0000001000]
    > [ 0.000000] #1 [0000006000 - 0000008000] TRAMPOLINE ==>
    > [0000006000 - 0000008000]
    > [ 0.000000] #2 [0000200000 - 0000d012b8] TEXT DATA BSS ==>
    > [0000200000 - 0000d012b8]
    > [ 0.000000] #3 [00037dc000 - 00040fe2d9] RAMDISK ==>
    > [00037dc000 - 00040fe2d9]
    > [ 0.000000] #4 [000009c800 - 0000100000] BIOS reserved ==>
    > [000009c800 - 0000100000]
    > [ 0.000000] #5 [0000008000 - 000000b000] PGTABLE ==>
    > [0000008000 - 000000b000]
    >
    > As a side note: I've bigger older (2.6.26) kernels that boots fine,
    > and smaller 2.6.27 kernels that do not work, e.g. this one:

    that could explain sth. big kernel use more, and lilo put ramdisk
    high from 0x37dc000

    >
    > Overlapping early reservations b71000-effb43 RAMDISK to 200000-c84ecf
    > TEXT DATA BSS

    need to figure out, lilo put ramdisk so low...

    need to know e820 table layout...

    YH


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