Hi,

I am running a research experiment that uses wifi beaconing to detect
peers on the same network segment. The app I am using sends a "hello
message" every 5 seconds and therefore needs to run all the time. To
ensure the CPU is running, the app grabs a partial wake lock.

While holding the wake lock I get the following error messages from
the kernel:

<3>[16772.157226] msm_pm_wait_state(2, 0, 0, 0) failed 11001
<6>[16772.157226] msm_sleep(): msm_pm_wait_state failed, 11001

I see these for the first three hours, but then they stop. At this
point the the battery consumption rate also increases significantly.

If I run my experiment and release the wake lock for only a few
minutes every 30 minutes, I do not see this problem and the phone has
a much longer battery life that cannot be explained only by the
intermittent sleep times.

Does anyone have an idea what the problem could be?

Erik

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