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Date:      Thu, 11 Dec 2014 13:05:49 -0800
From:      Colin Percival <cperciva@freebsd.org>
To:        John Baldwin <jhb@freebsd.org>, freebsd-acpi@freebsd.org
Subject:   Re: ENXIOing non-present battery
Message-ID:  <548A072D.7090304@freebsd.org>
In-Reply-To: <201412111408.50866.jhb@freebsd.org>
References:  <54840781.70603@freebsd.org> <201412111408.50866.jhb@freebsd.org>

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On 12/11/14 11:08, John Baldwin wrote:
> On Sunday, December 07, 2014 2:53:37 am Colin Percival wrote:
>> On my Dell Latitude E7440 laptop, the ACPI reports two batteries: First
>> the battery which exists; and second, a "Not Present" battery with zeroed
>> statistics.  FreeBSD, not realizing that this second battery is a complete
>> myth -- the E7440 only has one battery, and there is nowhere to add another
>> -- faithfully reports the data from ACPI to userland.
> 
> Does setting hint.battery.1.disabled=1 work for you?

That fixes the dev.battery sysctls and KDE's battery monitor.  The
hw.acpi.battery.units sysctl still reports "2", and `acpiconf -i 1`
still reports the phantom battery; but I suppose those don't matter
much...

-- 
Colin Percival
Security Officer Emeritus, FreeBSD | The power to serve
Founder, Tarsnap | www.tarsnap.com | Online backups for the truly paranoid



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