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Date: Wed, 10 Dec 2003 09:46:41 -0800
From: "David O'Brien" <obrien@FreeBSD.Org>
To: Mike Makonnen <mtm@identd.net>
Message-ID: <20031210174641.GA47715@dragon.nuxi.com>
References: <20031210123525.GA13196@mobile.acsolutions.com>
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cc: njl@FreeBSD.Org
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Subject: Re: ACPI regressions
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On Wed, Dec 10, 2003 at 03:35:25PM +0300, Mike Makonnen wrote:
> 
> I upgraded my laptop to 5.2-BETA from 5.1-RELEASE a few weeks ago and was
> extremely happy to find that acpi was working much better. However, after
> the recent upgrade of ACPI in 5.2-CURRENT, all the problems that had been
> fixed reappeared. My laptop is a Dell Inspiron 5100 with Dell BIOS A23.
> The symptoms are:
> o The acpi battery information is invalid
> o The acpi temperature information is invalid
> o The following message is repeated several times on the console when it boots:
>      -0166: *** Error: UtAllocate: Attempt to allocate zero bytes

Have you fixed your BIOS's ACPI?  There is a nice page for Dell laptops
at http://sandcat.nl/~stijn/freebsd/dell.php