Re: linux-next on thinkpad x60: full battery is indicated as battery error in mate

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On Tue, Mar 13, 2018 at 10:14 AM, Rafael J. Wysocki <rafael@xxxxxxxxxx> wrote:
> On Tue, Mar 13, 2018 at 1:51 AM, Ognjen Galić <smclt30p@xxxxxxxxx> wrote:
>> On Tue, Mar 13, 2018 at 12:18:47AM +0100, Pavel Machek wrote:
>>> Hi!
>>>
>>> > >> > >> 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.
>>> > >
>>> > > Ok, so problem is 91eea70e5e5ce12eb1c7cd922e561fab43e201bd.
>>> > >
>>> > > And now, I see that MATE should be improved.
>>> > >
>>> > > But what I also see is that kernel is changing its interface in a way
>>> > > that (while making sense) breaks existing application. And we don't
>>> > > break existing applications.
>>> > >
>>> > > [Now... maybe if the fix for the application is available for long
>>> > > long time and noone is really looking and everyone already has new
>>> > > application version, maybe ... But pull request for MATE is 9 days
>>> > > old, and not even merged. So there is no way this is suitable for
>>> > > 4.17.]
>>> >
>>> > Right.
>>> >
>>> > This basically means that we will have to defer the battery changes
>>> > until user space is ready and not just upstream, but also in distro
>>> > packages.
>>>
>>> Yes please.
>>>
>>> Note that only 91eea70e5e5ce12eb1c7cd922e561fab43e201bd should break
>>> anything, the others should be safe AFAICT?
>>>
>>>                                                               Pavel
>>>
>>
>> Actually there is a bug in UPower itself, and that reflects the status
>> icon being broken in almost all desktop environments. I will work on
>> fixing UPower in the following days. Disregard my previous comment.
>
> I have reverted commit 91eea70e5e5ce12e for the time being.
>
> Of course, it can be applied again after all of the bus triggered by
> it have been fixed and the fixes have gone to users.

s/bus/bugs/ (obviously)
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