** Description changed:

  Although it was closed and a patch released, bug
- 
[url="https://bugs.launchpad.net/ubuntu/+source/linux/+bug/147560"]147560[/url]
+ 147560(https://bugs.launchpad.net/ubuntu/+source/linux/+bug/147560)
  pertaining to the battery status being incorrectly detected still
  persists in Ubuntu 8.10 x86_64, kernel 2.6.27-11-generic and in Ubuntu
  9.04 alpha3 except now the acpi=noirq kernel parameter appears to do
  nothing to rectify the situation.
  
  While running without the acpi=noirq kernel parameter, the battery
  erroneously disappears.
  
  The battery is detected during boot:
  $ dmesg | grep battery
  [   12.305116] ACPI: Battery Slot [BAT1] (battery present)
  
  and appears to work fine for a while:
  
  $ cat /proc/acpi/battery/BAT1/info
  present:                 yes
  design capacity:         4400 mAh
  last full capacity:      3255 mAh
  battery technology:      rechargeable
  design voltage:          10800 mV
  design capacity warning: 0 mAh
  design capacity low:     0 mAh
  capacity granularity 1:  1 mAh
  capacity granularity 2:  1 mAh
  model number:            MS-1719
  serial number:           
  battery type:            LION
  OEM info:                MSI Corp.
  
  $ cat /proc/acpi/battery/BAT1/state
  present:                 yes
  capacity state:          ok
  charging state:          charged
  present rate:            0 mA
  remaining capacity:      3255 mAh
  present voltage:         12506 mV
  
  $ acpi -bs
  
       Battery 0: Full, 100%
  
  But after ~10 minutes, it disappears
  
  $ cat /proc/acpi/battery/BAT1/info
  present:                 no
  
  $ cat /proc/acpi/battery/BAT1/state
  present:                 no
  
  $ acpi -bs
  [nothing]
  
  I receive similar results WITH the acpi=noirq kernel parameters, except
  it will take ~1-2 hours before the battery disappears.  Problem persists
  whether or not the AC power is plugged in.
  
  When I boot into Ubuntu 8.10, kernel 2.6.27-9-generic, the acpi=noirq
  kernel parameter works and I never lose the battery.  Please let me know
  what other information I can provide or if you need someone to test out
  patches, I would be willing to do so.

-- 
Battery Status Detected Incorrectly (MSI-1719 / GX700)
https://bugs.launchpad.net/bugs/323823
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