[Bug 162859] [acpi] ACPI battery/acline monitoring partialy working (switching)

[Juris Kaminskis]

2015-01-05 17:27 GMT+02:00 Juris Kaminskis <juris.kaminskis at gmail.com>:

>
> 2015-01-04 15:17 GMT+02:00 Ian Smith <smithi at nimnet.asn.au>:
> >
> > On Sat, 3 Jan 2015 11:45:05 +0000, bugzilla-noreply at freebsd.org wrote:
> >
> > Please excuse this off-'zilla merely speculative response.  No time, but
> > I've spent (wasted?) some time chasing a couple of these outside the PR.
> >
> >  > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=162859
> >  >
> >  > --- Comment #14 from juris <juris.kaminskis at gmail.com> ---
> >  > Problem on /head/ branch is introduced with revision 216942.
> >
> > If true (in all cases) this is great news for those with a variety of HP
> > laptops that have been experiencing partial - or in some cases complete
> > after boot - failures in CMBAT monitoring since 9.0.  And a Macbook Pro.
> >
> > So, reverting rev 216942 fixes it for you?  On what FreeBSD version?
>
> I have compiled head branch revision 216941 and battery status via
> acpiconf works. When compiling from source revision 216942 acpiconf stops
> responding. I also tried to remove r216942 and compiled from source release
> 9.3, but there battery status was not working. Apparently there are more
> things than just one that breaks HP ACPI .
>

Sorry for my previous email that was confusing. I did not revert r216941
when compiled release 9.3. So when I did that, battery status works. I also
compiled release 10.1 with excluding r216942, and battery status works. So
this single change for some reason creates problem for HP laptops.

> >
> >
> > If so, with scant comprehension of the code, questions that occur:
> >
> > a) did that revision fix some existing problem, the reverting of which
> > might reestablish problem/s in other machines?  jkim?
> >
> > b) what is it in various HP ACPI implementations that don't seem to be a
> > reported problem on other hardware, particularly concerning EC handling?
> >
> > c) if this was wrong (for HPs), what would be right?  (the hard one :)
> >
> > cheers, Ian
>
>  On Sat, 3 Jan 2015 11:45:05 +0000, bugzilla-noreply at freebsd.org wrote:
>
> Please excuse this off-'zilla merely speculative response.  No time, but
> I've spent (wasted?) some time chasing a couple of these outside the PR.
>
>  > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=162859
>  >
>  > --- Comment #14 from juris <juris.kaminskis at gmail.com> ---
>  > Problem on /head/ branch is introduced with revision 216942.
>
> If true (in all cases) this is great news for those with a variety of HP
> laptops that have been experiencing partial - or in some cases complete
> after boot - failures in CMBAT monitoring since 9.0.  And a Macbook Pro.
>
> So, reverting rev 216942 fixes it for you?  On what FreeBSD version?
>
> If so, with scant comprehension of the code, questions that occur:
>
> a) did that revision fix some existing problem, the reverting of which
> might reestablish problem/s in other machines?  jkim?
>
> b) what is it in various HP ACPI implementations that don't seem to be a
> reported problem on other hardware, particularly concerning EC handling?
>
> c) if this was wrong (for HPs), what would be right?  (the hard one :)
>
> cheers, Ian
>