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    SubjectRe: [PATCH] kdump: Fix for boot problems on SMP
    Date
    On Thursday 18 November 2004 23:08, Hariprasad Nellitheertha wrote:

    > There was a buggy (and unnecessary) reserve_bootmem call in the kdump
    > call which was causing hangs during early on some SMP machines. The
    > attached patch removes that.

    Thanks! I also had the same problem.

    BTW, If the first kernel enabled CONFIG_DISCONTIGMEM, the second kernel could
    not boot. since crash_reserve_bootmem() never called anywhere.


    --- 2.6-mm/arch/i386/mm/discontig.c.orig 2004-11-20 00:14:42.000000000 +0900
    +++ 2.6-mm/arch/i386/mm/discontig.c 2004-11-20 00:39:38.000000000 +0900
    @@ -32,6 +32,7 @@
    #include <asm/e820.h>
    #include <asm/setup.h>
    #include <asm/mmzone.h>
    +#include <asm/crash_dump.h>
    #include <bios_ebda.h>

    struct pglist_data *node_data[MAX_NUMNODES];
    @@ -363,6 +364,9 @@ unsigned long __init setup_memory(void)
    }
    }
    #endif
    +
    + crash_reserve_bootmem();
    +
    return system_max_low_pfn;
    }



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