linux-kernel - Re: linux-next-20180723: battery status funny after bootup

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Date:   Tue, 24 Jul 2018 11:12:26 +0200
From:   Pavel Machek <pavel@....cz>
To:     "Rafael J. Wysocki" <rafael@...nel.org>, lucas.magasweran@...e.org
Cc:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        kernel list <linux-kernel@...r.kernel.org>,
        Linux-pm mailing list <linux-pm@...r.kernel.org>,
        Len Brown <lenb@...nel.org>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>
Subject: Re: linux-next-20180723: battery status funny after bootup

On Tue 2018-07-24 10:27:08, Rafael J. Wysocki wrote:
> On Mon, Jul 23, 2018 at 11:49 PM, Pavel Machek <pavel@....cz> wrote:
> >
> > pavel@amd:~$ cat /proc/acpi/battery/BAT0/state
> > present:                 yes
> > capacity state:          ok
> > charging state:          charged
> > present rate:            0 mW
> > remaining capacity:      0 mWh
> > present voltage:         0 mV
> > pavel@amd:~$ uname -a
> > Linux amd 4.18.0-rc6-next-20180723+ #141 SMP Mon Jul 23 22:11:47 CEST
> > 2018 i686 GNU/Linux
> >
> > It will correct itself if I unplug/replug the AC adapter, I
> > believe. Gnome2 battery monitor also looks confused.
> 
> There are two battery changes in linux-next now that are not present
> in the mainline
> 
> 2a2aad34362b ACPI: battery: remove redundant old_present check on insertion
> 706ac4aa536f ACPI: battery: use cache_time as cache "enabled"
> 
> Does reverting any of them help?  Or is the problem present in the
> mainline too?

Thanks for pointers! Not it mainline, I'd notice that.

I reverted 706ac4aa536f , and on the next boot:

pavel@amd:~$ cat /proc/acpi/battery/BAT0/state
present:                 yes
capacity state:          ok
charging state:          charged
present rate:            0 mW
remaining capacity:      37150 mWh
present voltage:         16400 mV

..plus icon was ok from the start.

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

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