https://bugzilla.kernel.org/show_bug.cgi?id=38452

           Summary: Battery status Unlnown after resume
           Product: ACPI
           Version: 2.5
    Kernel Version: 3.0.0-rc5
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Power-Battery
        AssignedTo: [email protected]
        ReportedBy: [email protected]
        Regression: No


Hi

I have two batteries installed in my thinkpad t420s and after resume acpi shows
strange information like always different design and last full capacity and
shows status as Unknown.

Sysfs also show status as unknown:
> cat /sys/class/power_supply/BAT0/status            
Unknown

while for second battery it shows right status:
> cat /sys/class/power_supply/BAT1/status
Charging

Also sysfs interface shows correct energy_full_design and energy_full for both
batteries.

If I boot the system (not resume) all information displays correctly

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