> 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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