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Date: Tue, 6 Jan 2004 17:03:11 -0500 (EST)
From: Robert Watson <rwatson@freebsd.org>
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To: Joe Marcus Clarke <marcus@marcuscom.com>
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cc: Stijn Hoop <stijn@win.tue.nl>
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cc: Nate Lawson <njl@freebsd.org>
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Subject: Re: cvs commit: src/sys/contrib/dev/acpica dsmthdat.c
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On Tue, 6 Jan 2004, Joe Marcus Clarke wrote:

> On Mon, 2004-01-05 at 04:01, Stijn Hoop wrote:
> > On Sat, Jan 03, 2004 at 10:35:01PM -0800, Nate Lawson wrote:
> > > njl         2004/01/03 22:35:01 PST
> > > 
> > >   FreeBSD src repository
> > > 
> > >   Modified files:        (Branch: INTEL)
> > >     sys/contrib/dev/acpica dsmthdat.c 
> > >   Log:
> > >   Fix for "UtAllocate: Attempt to allocate zero bytes" warnings on Dell
> > >   laptops that resulted in problems reading battery status.  Don't
> > >   copy Buffers, Packages, or Regions in DsStoreObjectToLocal().
> > >   
> > >   Tested by:      scottl, sam
> > >   Submitted by:   Luming Yu (Intel)
> > 
> > Does this obsolete Mark Santcroos' patch available from my page
> > (http://sandcat.nl/~stijn/freebsd/dell.php)? If so, I'll add a note to
> > that effect to the page. Unfortunately I won't have time to test this myself,
> > so I'd appreciate it if someone else can verify this.
> 
> I can confirm my Dell 5150 with BIOS A28 is quite happy with this patch. 
> I no longer require the AML patch, and all my ACPI stats seem to be
> reporting correctly. 

Ditto.  My Latitude C600 is now a *lot* happier.  No more warnings, but
more importantly, power management now works a lot better (I can monitor
battery state, for example).

Robert N M Watson             FreeBSD Core Team, TrustedBSD Projects
robert@fledge.watson.org      Senior Research Scientist, McAfee Research