From: "Ognjen Galić" <smclt30p@gmail.com>
To: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Pavel Machek <pavel@ucw.cz>,
kernel list <linux-kernel@vger.kernel.org>,
ACPI mailing list <linux-acpi@vger.kernel.org>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Sebastian Reichel <sre@kernel.org>
Subject: Re: linux-next on thinkpad x60: full battery is indicated as battery error in mate
Date: Mon, 12 Mar 2018 23:35:21 +0100 [thread overview]
Message-ID: <20180312223521.vzccevf6z7ik5ysf@thinkpad> (raw)
In-Reply-To: <CAJZ5v0gWd7OCy+P41CFWJ1E9Tzw++Ok=YmjQwLk+iSZutBzphA@mail.gmail.com>
On Mon, Mar 12, 2018 at 11:29:56PM +0100, Rafael J. Wysocki wrote:
> On Mon, Mar 12, 2018 at 8:49 PM, Pavel Machek <pavel@ucw.cz> wrote:
> > On Mon 2018-03-12 20:47:15, Pavel Machek wrote:
> >> Hi!
> >>
> >> Did something change recently with battery reporting?
>
> Yes, it did, and specifically for Thinkpads.
>
> >> Fully charged
> >> battery shows as empty battery with red "x" in Mate desktop. After
> >> reboot to recent mainline problem goes away. Tooltip says "battery
> >> waiting to charge".
> >>
For the MATE bug see:
https://github.com/mate-desktop/mate-power-manager/pull/251
The problem is in the new composite battery system in UPower, it
"merges" two external batteries into a single one for reporting. That
battery does not understand "Not Charging" inside the MATE Power
Manager. The above patch fixes that in MATE.
> >> /proc/acpi/battery/BAT0/state looks ok:
> >> present: yes
> >> capacity state: ok
> >> charging state: charged
> >> present rate: 0 mW
> >> remaining capacity: 41240 mWh
> >> present voltage: 16495 mV
> >>
> >> Linux amd 4.16.0-rc3-next-20180302 #30 SMP Fri Mar 2 10:28:44 CET 2018
> >> i686 GNU/Linux
> >> pavel@amd:~$ cat /sys/class/power_supply/BAT0/status
> >> Not charging
> >
> > Reboot to mainline:
> >
> > pavel@amd:~$ uname -a
> > Linux amd 4.16.0-rc4+ #509 SMP Thu Mar 8 15:28:06 CET 2018 i686
> > GNU/Linux
> > pavel@amd:~$ cat /sys/class/power_supply/BAT0/status
> > Unknown
> >
> > Mate shows it as "laptop battery is fully charged".
> >
> >> Thinkpad X60.
>
> Please try to revert commits fa93854f7a7e..a20136a67a99 from
> linux-next and see if that helps.
next prev parent reply other threads:[~2018-03-12 22:35 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-12 19:47 linux-next on thinkpad x60: full battery is indicated as battery error in mate Pavel Machek
2018-03-12 19:49 ` Pavel Machek
2018-03-12 22:29 ` Rafael J. Wysocki
2018-03-12 22:35 ` Ognjen Galić [this message]
2018-03-12 23:04 ` Pavel Machek
2018-03-12 23:06 ` Rafael J. Wysocki
2018-03-12 23:18 ` Pavel Machek
2018-03-12 23:39 ` Ognjen Galić
2018-03-13 0:51 ` Ognjen Galić
2018-03-13 9:14 ` Rafael J. Wysocki
2018-03-13 9:15 ` Rafael J. Wysocki
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