https://bugzilla.kernel.org/show_bug.cgi?id=15174





--- Comment #21 from D. Hugh Redelmeier <h...@mimosa.com>  2010-03-24 21:04:46 
---
Summary: it currently looks to me as if this bug is not in the current tree! 
Sorry for wasting your time!

Details:

I've tracked down the code from #17 to here:
patchwork.kernel.org/patch/45457/mbox/

This is a message dated 2009 Sept 4 from Robert and Lin Ming related to
http://www.acpica.org/bugzilla/show_bug.cgi?id=802

My guess is that this patch would prevent my problem occurring.

That patch is not in the code base that I'm testing (CentOS 2.6.18-164.11.1.el5
x86_64).

The code in the CentOS kernel seems to make the package length the maximum of
the specified length and the length of the initializer list.  From 
linux-2.6.18.x86_64/drivers/acpi/dispatcher/dsobject.c:

        /*
         * The package length (number of elements) will be the greater
         * of the specified length and the length of the initializer list
         */
        if (package_list_length > package_length) {
                obj_desc->package.count = package_list_length;
        }


Since Red Hat backported 34d531e640cb805973cf656b15c716b961565cea, causing my
problem, I guess that they need to backport
7f646eda8ad9c53589a0379f061cb0448f5fa6db to cure it.  (UNTESTED)

Does this make sense?

(I don't even know if CentOS can run on a current kernel.org kernel so I don't
know how to easily test a current kernel.)

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