Re: 2.6.29 acpi regression: acpi_ex_extract_from_field -- div by zero

Jiri Slaby
2009-03-19T16:06:46Z

On 18.3.2009 09:08, Jiri Slaby wrote:
> On 16.3.2009 17:31, Jiri Slaby wrote:
>> On 16.3.2009 04:42, Lin Ming wrote:
>>>> sometimes, when booting up/resuming from disk, I get an oops[1].
>>>>
>>>> obj_desc->common_field.access_bit_width is zero, but even after the
>>>> loop. Division before the loop is apparently OK.
>>>
>>> Would please try below debug patch to see which region filed is
>>> accessed?
>
> I'm confused, but keep trying.

Got it again. obj_desc->common_field.node is martian too (0x4000000), so
the added acpi_get_name dies:
http://www.fi.muni.cz/~xslaby/sklad/panics/acpi_oops1.png

Whole common_field seems to be mangled. Ideas?