Ok, this is really starting to worry me. Currently I am booted in: Linux
brendand-6930p 3.5.0-1-generic #1~precise1-Ubuntu SMP Wed Jun 20
14:43:32 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux, which is from quite a
while ago and I'm 100% certain I didn't see this problem when I was
actually running that kernel as standard. But now I see much the same
problem. One difference is that PowerTop now works properly and outputs
the following:

PowerTOP 1.97     Overview   Idle stats   Frequency stats   Device stats
Tunab

The battery reports a discharge rate of 24.7 W
The estimated remaining time is 64 minutes

Summary: 342.6 wakeups/second,  0.0 GPU ops/second and 0.0 VFS ops/sec

                Usage Events/s Category Description
             35.6 ms/s     168.9        Process        /usr/lib/firefox/firefox
            100.0%                      Device         Audio codec hwC0D0: Analo
            100.0%                      Device         Audio codec hwC0D1: LSI
              2.3 ms/s      83.5        Timer          hrtimer_wakeup
              2.2 ms/s      21.3        Process        /usr/lib/firefox/plugin-c
            628.3 µs/s      10.8        Interrupt      [46] radeon
              4.7 ms/s       7.0        Process        skype
            587.4 µs/s       7.8        Timer          tick_sched_timer
            317.0 µs/s       7.0        Process        xchat
              1.2 ms/s       4.6        Process        /usr/bin/X :0 -auth /var/
            148.7 µs/s       4.4        Process        /usr/bin/java -jar /usr/s
            531.9 µs/s       4.2        Interrupt      [6] tasklet(softirq)
            120.1 µs/s       4.0        Process        /usr/lib/jvm/default-java
              1.4 ms/s       2.9        Process        compiz

Note the presence of info on how much power is being used. I'll wait and
see if this kernel also shuts the system down without warning and update
the bug.

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https://bugs.launchpad.net/bugs/1043941

Title:
  [HP EliteBook 6930p] System burns through battery in ~30 mins, not
  even warning before hard-powering off

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