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    SubjectRe: Linux 2.3.31 bug using large memory
    Nagy,

    i believe this to be normal behaviour.

    applications that use brk()/sbrk() can only allocate up to ~730mb.
    for a single application to use more memory, it needs to allocate memory
    using something like mmap().

    take a look at how dlmalloc works - and see what happens.


    cheers,

    lincoln.


    At 10:06 09/12/99 +0100, Nagy Tibor wrote:
    >[1.] One line summary of the problem:
    >
    >The Linux kernel crashes using a lot of of memory.
    >
    >[2.] Full description of the problem/report:
    >
    >On a Dell PowerEdge 6300 (4 CPU Xeon 550 MHz 4 GB RAM) the kernel is not
    >able to allocate more memory after passing a certain amonunt of
    >memory.
    >This results, that no more processes can be started:
    > fork: Cannot allocate memory.
    ..
    >The output of the vmstat at crashing:
    >
    > 0 1 0 0 3273564 634264 30204 0 0 19062 0 409 610
    > 0 4 96
    > 0 1 0 0 3252320 653080 30204 0 0 18816 0 405 612
    > 0 4 96
    > 0 1 0 0 3230800 672140 30204 0 0 19062 0 403 610
    > 0 9 91
    > 0 1 0 0 3209480 691024 30204 0 0 18882 0 402 611
    > 0 7 93
    > 0 1 0 0 3188096 709964 30204 0 0 19004 0 405 612
    > 0 7 93
    > 0 1 0 0 3166644 728964 30204 0 0 18938 0 405 611
    > 0 8 92
    >/proc: Cannot allocate memory


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