From: Nathan Bryant <nbryant-p32f3XyCuykqcZcGjlUOXw@public.gmane.org>
To: ACPI Developers
<acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>
Cc: "Li,
Shaohua" <shaohua.li-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
"Georg C. F. Greve" <greve-mXXj517/zsQ@public.gmane.org>
Subject: Re: acpi-20040715: functional regression on ASUS M2N
Date: Thu, 05 Aug 2004 14:49:48 -0400 [thread overview]
Message-ID: <4112814C.2070808@optonline.net> (raw)
Hi all. Some thoughts on this:
The ELCR save/restore patch is causing regressions for some people. What
if the problem is that we're saving/restoring registers at the wrong time?
For example, on the Intel PIIX, the PIC is a child of PCI device
31:function 0. What if this PCI device is disabled at the time we decide
to save ELCR? If the I/O space is not mapped, we would probably read
0xff in this case, I think, and I think that would set everything to
level. What could be disabling it?
Georg, can you add some printk's to save_ELCR and log the values that we
are actually saving?
Nathan
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next reply other threads:[~2004-08-05 18:49 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-05 18:49 Nathan Bryant [this message]
[not found] ` <4112814C.2070808-p32f3XyCuykqcZcGjlUOXw@public.gmane.org>
2004-08-06 11:21 ` acpi-20040715: functional regression on ASUS M2N Georg C. F. Greve
[not found] ` <m37jsc3424.fsf-glUV91rXKAHWIjgkaejU9x2eb7JE58TQ@public.gmane.org>
2004-08-06 13:36 ` Nathan Bryant
[not found] ` <41138944.3060309-p32f3XyCuykqcZcGjlUOXw@public.gmane.org>
2004-08-06 16:54 ` Georg C. F. Greve
[not found] ` <m3u0vgurzy.fsf-glUV91rXKAHWIjgkaejU9x2eb7JE58TQ@public.gmane.org>
2004-08-06 17:07 ` Nathan Bryant
[not found] ` <4113BAD5.1030909-p32f3XyCuykqcZcGjlUOXw@public.gmane.org>
2004-08-06 20:50 ` Georg C. F. Greve
2004-08-31 8:15 ` Georg C. F. Greve
2004-08-06 15:23 ` Matthew Garrett
2004-08-06 15:50 ` Nathan Bryant
2004-08-06 16:38 ` Nate Lawson
2004-08-06 19:32 ` Nathan Bryant
-- strict thread matches above, loose matches on Subject: below --
2004-08-31 8:45 Li, Shaohua
[not found] ` <B44D37711ED29844BEA67908EAF36F03AC6ACF-4yWAQGcml65pB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2004-08-31 13:38 ` Georg C. F. Greve
[not found] ` <m3zn4bbf6x.fsf-eMhNhoSsuh6q92djB/mqZw@public.gmane.org>
2004-09-01 15:16 ` Georg C. F. Greve
2004-08-09 8:10 Li, Shaohua
2004-08-02 16:45 Nathan Bryant
[not found] ` <410E6F9C.2040904-p32f3XyCuykqcZcGjlUOXw@public.gmane.org>
2004-08-04 0:23 ` Georg C. F. Greve
2004-07-27 12:24 Li, Shaohua
[not found] ` <B44D37711ED29844BEA67908EAF36F036BCD7C-4yWAQGcml65pB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2004-07-27 13:42 ` Georg C. F. Greve
2004-07-19 23:31 Georg C. F. Greve
[not found] ` <m3d62rzi9a.fsf-eMhNhoSsuh6q92djB/mqZw@public.gmane.org>
2004-07-20 19:03 ` Matthew Garrett
[not found] ` <1090350197.4828.5.camel-myFlNLNQP+Q@public.gmane.org>
2004-07-21 8:17 ` Georg C. F. Greve
[not found] ` <m3acxthizw.fsf-eMhNhoSsuh6q92djB/mqZw@public.gmane.org>
2004-07-27 11:14 ` Georg C. F. Greve
[not found] ` <m3oem1u2gg.fsf-glUV91rXKAHWIjgkaejU9x2eb7JE58TQ@public.gmane.org>
2004-07-27 11:24 ` Matthew Garrett
[not found] ` <1090927462.4412.26.camel-myFlNLNQP+Q@public.gmane.org>
2004-07-27 13:40 ` Georg C. F. Greve
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