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lyallp
Veteran
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Joined: 15 Jul 2004
Posts: 1400
Location: Adelaide/Australia

PostPosted: Mon May 19, 2014 12:09 am    Post subject: ACPI event unhandled: battery Reply with quote

I have noticed that I have been receiving the following events in my syslog around every 12 hours.

Code:
May 19 02:28:25 pearcely2 logger: ACPI event unhandled: battery PNP0C0A:00 00000080 00000001
May 19 02:28:25 pearcely2 laptop-mode: Laptop mode
May 19 02:28:25 pearcely2 laptop-mode: enabled, not active [unchanged]
May 19 02:28:25 pearcely2 laptop-mode: Laptop mode
May 19 02:28:25 pearcely2 laptop-mode: enabled, not active [unchanged]
May 19 02:28:57 pearcely2 logger: ACPI event unhandled: battery PNP0C0A:00 00000080 00000001
May 19 02:28:57 pearcely2 laptop-mode: Laptop mode
May 19 02:28:57 pearcely2 laptop-mode: enabled, not active [unchanged]
May 19 02:28:57 pearcely2 laptop-mode: Laptop mode
May 19 02:28:57 pearcely2 laptop-mode: enabled, not active [unchanged]

Kernel version as follows:-

Code:
Linux pearcely2 3.12.13-gentoo #1 SMP Fri Mar 14 14:47:26 CST 2014 x86_64 Intel(R) Core(TM) i7 CPU M 620 @ 2.67GHz GenuineIntel GNU/Linux

output of 'acpi'

Code:
# acpi --battery --details --ac-adapter
Battery 0: Unknown, 68%
Battery 0: design capacity 2860 mAh, last full capacity 2860 mAh = 100%
Battery 1: Unknown, 56%
Battery 1: design capacity 4524 mAh, last full capacity 4524 mAh = 100%
Adapter 0: on-line


It is interesting to note, that I run a Windows 7 VM on my Gentoo Linux laptop (HP EliteBook 8540w). The Windows VM seems to think that my battery is only 61% charged and not plugged in and not charging.

The laptop has the normal battery installed PLUS an extra u-shaped battery that clamps on the bottom.

I am suspicious that one of the two batteries has died, as the laptop spends 99.99% of it's life powered on in a dock. Not the ideal situation for battery longevity.

Regardless, I would really like to know what the unhandled event is, is it my battery saying 'I am dead'?

Assistance greatly appreciated.

Edit: Additional info, it appears that my laptop thinks it is not docked, when it is...
Not sure if this is relevant to my initial question.
Code:
# upower -d
Device: /org/freedesktop/UPower/devices/line_power_AC
  native-path:          AC
  power supply:         yes
  updated:              Mon 19 May 2014 09:49:19 CST (0 seconds ago)
  has history:          no
  has statistics:       no
  line-power
    online:             yes

Device: /org/freedesktop/UPower/devices/battery_BAT0
  native-path:          BAT0
  vendor:               Hewlett-Packard
  model:                Primary
  serial:               07493 2010/10/01
  power supply:         yes
  updated:              Mon 19 May 2014 09:49:19 CST (0 seconds ago)
  has history:          yes
  has statistics:       yes
  battery
    present:             yes
    rechargeable:        yes
    state:               charging
    energy:              37.0656 Wh
    energy-empty:        0 Wh
    energy-full:         65.1456 Wh
    energy-full-design:  65.1456 Wh
    energy-rate:         0 W
    voltage:             15.827 V
    percentage:          56%
    capacity:            100%
    technology:          lithium-ion
  History (charge):
    1400458759   0.000   unknown
  History (rate):
    1400458759   0.000   unknown

Device: /org/freedesktop/UPower/devices/battery_BAT1
  native-path:          BAT1
  vendor:               Hewlett-Packard
  model:                Travel
  serial:               06219 2010/07/24
  power supply:         yes
  updated:              Mon 19 May 2014 09:49:19 CST (0 seconds ago)
  has history:          yes
  has statistics:       yes
  battery
    present:             yes
    rechargeable:        yes
    state:               charging
    energy:              29.1856 Wh
    energy-empty:        0 Wh
    energy-full:         42.328 Wh
    energy-full-design:  42.328 Wh
    energy-rate:         0 W
    voltage:             10.401 V
    percentage:          68%
    capacity:            100%
    technology:          lithium-ion
  History (charge):
    1400458759   0.000   unknown
  History (rate):
    1400458759   0.000   unknown

Daemon:
  daemon-version:  0.9.23
  can-suspend:     yes
  can-hibernate:   yes
  on-battery:      no
  on-low-battery:  no
  lid-is-closed:   no
  lid-is-present:  yes
  is-docked:       no
#

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...Lyall
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khayyam
Watchman
Watchman


Joined: 07 Jun 2012
Posts: 6228
Location: Room 101

PostPosted: Mon May 19, 2014 1:06 am    Post subject: Re: ACPI event unhandled: battery Reply with quote

lyallp wrote:

Code:
May 19 02:28:25 pearcely2 logger: ACPI event unhandled: battery PNP0C0A:00 00000080 00000001
[...]

Regardless, I would really like to know what the unhandled event is, is it my battery saying 'I am dead'?

lyallp ... I'm not sure what the cause is exactly, but the message is generated as its "unhandled" ... specifically:

/etc/acpi/default.sh
Code:
log_unhandled() {
   logger "ACPI event unhandled: $*"
}

Further in the script 'events' ('power', 'lid', etc) trigger actions and if nothing matches the 'event' then the event is unhandled:

Code:
*)   log_unhandled $* ;;

So, some acpi event occurs, this might simply be something (upower, perhaps) polling the battery this triggers default.sh, nothing matches the specific event but it matches the wildcard and so logger provides the above log entry.

best ... khay
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