Possible Problem with Compass Calibration on 3DR Y6

I've been having an ongoing issue for about almost a year now, whatever I'm doing is not helping.  Sometimes my Y6 will fly fine, and then it won't and then it will again.  When it doesn't, it goes from "toilet bowling" to twitching and different arms doing what I'd call jumping I guess. I've gone through with 3DR Support and they've mostly had me do calibrations. At times it seems the compass calibration fixes it and others it won't.  This time I think it made it worse unless it's coincidence.  So my question is, do you think this is a compass calibration issue or something else?  I've also considered ESCs and motors, I wasn't sure if one motor would lose power which would cause the jumping.

 

I do not understand much of what I am looking at for logs, so I attached my last flight which was very short and ended in somewhat of a crash landing (nothing broken though).  I flew after calibrating the compass and RC. Another thing to note is a couple flights before I had a failsafe of no RC Receiver.  It hasn't happened since though. It seems like when it does this toilet bowling and jumping around that it doesn't really respond to my controls, but I could be wrong it all happens fast, maybe someone can tell by looking at the log? 

 

No RC Receiver flight:

2015-07-07%2013-36-55.tlog

204.BIN

 

Crash landing flight:

2015-07-17%2014-44-40.tlog

215.BIN

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