[Trac #596] inconsistent battery charge state indications
Mark J. Foster
mfoster at laptop.org
Tue Dec 19 22:00:47 EST 2006
Hi, Quozl!
You are a superb tester. I love your reports, the detail, and the
careful documentation of sequences and results. Very well done, sir!
Cheers!
MarkF
Zarro Boogs per Child wrote:
> #596: inconsistent battery charge state indications
> ------------------------------------+---------------------------------------
> Reporter: Quozl | Owner: ted.juan
> Type: defect | Status: new
> Priority: blocker | Milestone: BTest-2
> Component: hardware | Resolution:
> Keywords: ray.tseng at quantatw.com |
> ------------------------------------+---------------------------------------
> Comment (by Quozl):
>
> Now two units are charging their battery despite it being marked as full.
>
> On restoration of battery and AC adaptor power over 40 minutes later, two
> units Quozl 3 and Quozl 2 went into charge mode (roughly 1.2 amp current
> shown on psu_0/current), and the other unit Quozl 1 did not.
>
> Logs were captured, using the following fragment:
>
> {{{
> date --rfc-3339=seconds
> cat /sys/devices/platform/olpc-
> battery.0/psu_0/{current,voltage,capacity_percentage,status}
> }}}
>
> Timestamps below meaningless, except relative to the file itself.
>
> quozl-3:
> {{{
> 2006-12-20 01:45:40-05:00 1127 7518 100 present full
> 2006-12-20 01:46:40-05:00 1207 7555 100 present full
> 2006-12-20 01:47:40-05:00 1208 7574 100 present full
> 2006-12-20 01:48:40-05:00 1208 7588 100 present full
> 2006-12-20 01:49:40-05:00 1208 7598 100 present full
> 2006-12-20 01:50:40-05:00 1208 7605 100 present full
> 2006-12-20 01:51:40-05:00 1208 7608 100 present full
> }}}
>
> quozl-2:
> {{{
> 2006-12-20 12:46:52-05:00 1126 7525 100 present full
> 2006-12-20 12:47:52-05:00 1130 7556 100 present full
> 2006-12-20 12:48:52-05:00 1132 7578 100 present full
> 2006-12-20 12:49:52-05:00 1135 7594 100 present full
> 2006-12-20 12:50:52-05:00 1135 7605 100 present full
> 2006-12-20 12:51:52-05:00 1135 7611 100 present full
> }}}
>
> quozl-1:
> {{{
> 2006-12-20 12:46:13-05:00 7 6912 100 present full
> 2006-12-20 12:47:13-05:00 7 6912 100 present full
> 2006-12-20 12:48:13-05:00 7 6911 100 present full
> 2006-12-20 12:49:13-05:00 7 6911 100 present full
> 2006-12-20 12:50:13-05:00 7 6910 100 present full
> 2006-12-20 12:51:13-05:00 7 6910 100 present full
> }}}
>
>
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