Mark, The signes of problems would be overheating and continuous shut off from your amp.However you can eliminate the oscillation by placing RC match link across the binding post on both speakers.It will not effect the sound quality.You can order it from Alpha Core free of charge.I hope this helps.
Goertz MI2 and amp oscillation
I am auditioning some MI2 Veracity's and they sound fantastic, but I have read some mentions of amp oscillation with these cables due to the high capacitance. I am using an Electrocompaniet AW60 paired with some Sonus Faber Concertino Home's. How do I determine if my amp is stable enough for these cables, or what are the signs of problems?