[ubuntu-uk] Netbook Battery Problem

[Bruno Girin]

On Thu, 2010-05-06 at 14:04 +0100, Jon Farmer wrote:
> On Thu, 2010-05-06 at 13:50 +0100, Bruno Girin wrote:
> > On Thu, 2010-05-06 at 13:28 +0100, Jon Farmer wrote:
> > > On Thu, 2010-05-06 at 13:10 +0100, Bruno Girin wrote:
> > > 
> > > > Could it be related to bug #403303 [1]?
> > > > 
> > > > [1]
> > > > https://bugs.launchpad.net/ubuntu/+source/devicekit-power/+bug/403303
> > > 
> > > 
> > > It's a similar thing. However this is when I pull the power cord out of
> > > a netbook such as when I take it from my desk to move to the other side
> > > of the office for 5 mins. As soon as you unplug it the power manager
> > > reports low battery and hibernates. As soon as you press the power
> > > button after hibernation the power manager reports 100%.
> > > 
> > > So right now I have 2 hours 5 mins, if I put the power cord in for 5
> > > secs and then pull it out then low power kicks in.
> > 
> > According to the bug above, it depends how different processes check
> > battery state in the case where the battery doesn't follow ACPI specs
> > (as in the EeePC).
> > 
> > To see if it's related, can you post the content
> > of /proc/acpi/battery/BAT0/info please?
> 
> Well it actually shows as /proc/acpi/battery/BAT1/info and contains
> 
> present:                 yes
> design capacity:         2200 mAh
> last full capacity:      1964 mAh
> battery technology:      rechargeable
> design voltage:          11100 mV
> design capacity warning: 0 mAh
> design capacity low:     0 mAh
> capacity granularity 1:  1 mAh
> capacity granularity 2:  1 mAh
> model number:            
> 
> serial number:           
> 
> battery type:            LION
> 
> OEM info: 

OK so this shows that it's not the same problem as the EeePC because the
EeePC shows "last full capacity: 100 mAh" because its ACPI
implementation reports a percentage rather than an mAh value. And should
therefore be a new bug, as you just filed :-)

Bruno