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Date: Fri, 14 Aug 2009 10:53:57 +0300
From: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
To: Lin Ming <ming.m.lin@intel.com>
Cc: Len Brown <lenb@kernel.org>, "Brown, Len" <len.brown@intel.com>,
       "Moore, Robert" <robert.moore@intel.com>,
       "linux-acpi@vger.kernel.org" <linux-acpi@vger.kernel.org>,
       "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: acpi_ex_system_memory_space_handler oops
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> Could you please help to locate the line of code that causes oops, as
> below?
>=20

$ addr2line -e ./vmlinux -i -f c12a77ca
acpi_ex_system_memory_space_handler
/media/dev/kernel/kernel-git/linux-2.6/drivers/acpi/acpica/exregion.c:129

exregion.c:129
        [...]=20
        /*
         * Does the request fit into the cached memory mapping?
         * Is 1) Address below the current mapping? OR        =20
         *    2) Address beyond the current mapping? =20
         */
        if ((address < mem_info->mapped_physical_address) ||
            (((acpi_integer) address + length) > ((acpi_integer)
                                                  mem_info->
                                                  mapped_physical_address +=
  =20
                                                  mem_info->mapped_length))=
) {
                /*
                 * The request cannot be resolved by the current memory map=
ping;
                 * Delete the existing mapping and create a new one.       =
    =20
                 */
                if (mem_info->mapped_length) {
        [...]
            =20

        Sergey

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