Failed to unregister input channel

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http://stackoverflow.com – In one of my marketplace apps, I'm seeing a few reports of these from the wild from time to time, and can't determine why they are being thrown. I'm not doing anything that I would consider unusual in my app. Does anyone have any ideas? java.lang.RuntimeException: Failed to unregister input channel. status=-22 at android.view.InputQueue.nativeUnregisterInputChannel(Native Method) at android.view.InputQueue.unregisterInputChannel(InputQueue.java:119) at android.view.ViewRootImpl.dispatchDetachedFromWindow(ViewRootImpl.java:2471) at android.view.ViewRootImpl.doDie(ViewRootImp (HowTos)