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From: Pavel Machek <pavel@ucw.cz>
To: Robin Holt <holt@sgi.com>
Cc: astarikovskiy@suse.de, linux-acpi@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: Sony laptop battery has odd behavior with 2.6.26-rc3ish build.
Date: Fri, 23 May 2008 09:21:56 +0200	[thread overview]
Message-ID: <20080523072156.GA8964@ucw.cz> (raw)
In-Reply-To: <20080521115723.GF4287@sgi.com>

Hi!

> A couple days ago, I updated my test build to commit
> 8033c6e9736c29cce5f0d0abbca9a44dffb20c39 and noticed an odd behavior
> with the battery.  If I unplug the power, the battery discharges and
> that is reflected in /proc/acpi/battery/BAT0/state.  I am not certain
> the discharge is continuous and uniform or if it goes in steps.  When I
> plug the power back in, the level stays at a constant value (+-1mAh)
> for a considerable period of time.  It then does a single step back to
> the fully charged value.
> 
> I have not done any searching to see when this began.  I had been running
> the ubuntu 2.6.22-14 kernel before this and the behavior was normal.
> 
> I am not certain what information you will need.  Commit is above.

git bisect would certainly help...

> $ cat /proc/acpi/battery/BAT0/alarm
> alarm:                   unsupported
> $ cat /proc/acpi/battery/BAT0/info
> present:                 yes
> design capacity:         4800 mAh
> last full capacity:      4096 mAh
> battery technology:      non-rechargeable

Because something is clearly wrong here.

						Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

  parent reply	other threads:[~2008-05-23  7:22 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-05-21 11:57 Sony laptop battery has odd behavior with 2.6.26-rc3ish build Robin Holt
2008-05-21 12:08 ` Alexey Starikovskiy
2008-05-23  7:21 ` Pavel Machek [this message]
2008-05-23  8:43   ` Robin Holt
2008-05-23  9:40     ` Robin Holt

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