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Date: Mon, 5 Nov 2012 22:38:57 GMT
From: David Demelier <demelier.david@gmail.com>
To: freebsd-gnats-submit@FreeBSD.org
Subject: ACPI Regression: battery does not update often
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>Number:         173408
>Category:       kern
>Synopsis:       [acpi] [regression] ACPI Regression: battery does not update often
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-acpi
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon Nov 05 22:40:00 UTC 2012
>Closed-Date:    
>Last-Modified:  Thu Aug 22 02:21:20 UTC 2013
>Originator:     David Demelier
>Release:        9.1-RC2
>Organization:
>Environment:
FreeBSD Melon.malikania.fr 9.1-RC2 FreeBSD 9.1-RC2 #2: Wed Oct 10 18:36:52 CEST 2012     root@Melon.malikania.fr:/usr/obj/usr/src/sys/Melon  amd64

>Description:
The battery info shown in hw.acpi.battery sysctl nodes or info provided by acpiconf(8) does not update as often as FreeBSD 8.1.

If I run on battery, I must wait a while until the remaining capacity or remaining time change, I know that could be very great if real.. but that is very annoying now as I don't know when the percentage will decrease..

For instance, I started using my laptop, the charge was 89%, after 30 minutes of use (with processes that use a lot of cpu) 30 minutes passed the state is still to 89%.

This does not happend on 8.1 and not 9.0 both -RELEASE
>How-To-Repeat:

>Fix:
Don't know, what I know is that HP laptop BIOSes usually send to the OS the current battery state each second (or something similar).

We noticed this with a NetBSD developer because the kernel was emitting a message about the battery something like each second.

>Release-Note:
>Audit-Trail:
Responsible-Changed-From-To: freebsd-bugs->freebsd-acpi 
Responsible-Changed-By: linimon 
Responsible-Changed-When: Thu Aug 22 02:21:01 UTC 2013 
Responsible-Changed-Why:  
Over to maintainer(s). 

http://www.freebsd.org/cgi/query-pr.cgi?pr=173408 
>Unformatted:
