Messages in this thread | | | Date | Fri, 23 May 2008 09:21:56 +0200 | From | Pavel Machek <> | Subject | Re: Sony laptop battery has odd behavior with 2.6.26-rc3ish build. |
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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
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