Playback Menu->Source
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There is no menu entry to switch inputs

Frontend Log:
2012-04-03 13:25:47.904049 D  TV: OSDDialogEvent: result 6 text Source action DIALOG_MENU_SOURCE_0
2012-04-03 13:25:47.905750 D  SendReceiveStringList(GET_FREE_RECORDER_LIST) called from UI thread
2012-04-03 13:25:47.928006 D  SendReceiveStringList(QUERY_RECORDER 0,GET_FREE_INPUTS...) called from UI thread
2012-04-03 13:25:47.928234 D  SendReceiveStringList(QUERY_RECORDER 1,GET_FREE_INPUTS...) called from UI thread
2012-04-03 13:25:47.931992 D  SendReceiveStringList(QUERY_RECORDER 0,GET_FREE_INPUTS...) called from UI thread
2012-04-03 13:25:47.932191 D  SendReceiveStringList(QUERY_RECORDER 1,GET_FREE_INPUTS...) called from UI thread


Using The guide to change to a channel that is only on the other input
----------------------------------------------------------------------
Guide exits without changing the channel

Frontend Log:
2012-04-03 13:29:20.773250 D  SendReceiveStringList(GET_FREE_RECORDER_LIST) called from UI thread
2012-04-03 13:29:20.778037 D  SendReceiveStringList(QUERY_RECORDER 1,GET_FREE_INPUTS...) called from UI thread

Typing the channel number in manually
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"MythTV is already using all available inputs for the channel you selected. If you want to switch an in-progress recording, selec..."

Frontend Log:
2012-04-03 13:32:01.323267 D  SendReceiveStringList(GET_FREE_RECORDER_LIST) called from UI thread