Re: acpi_ex_system_memory_space_handler oops

[Sergey Senozhatsky]

> Could you please help to locate the line of code that causes oops, as
> below?
> 

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

        Sergey

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