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
next prev 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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