Re: 2.6.29 acpi regression: acpi_ex_extract_from_field -- div byzero

[Lin Ming]

On Fri, 2009-03-20 at 00:06 +0800, Jiri Slaby wrote:
> 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?

Thanks for the info. We are looking at this.

Lin Ming

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