Hi Uwe, On Mon, May 02, 2016 at 09:22:50AM +0200, Uwe Kleine-König wrote: > In the good case the message > > i2c i2c-0: mv64xxx: I2C bus locked, block: 1, time_left: 0 > > isn't there, right? Correct, the message is printed only in the bad case. Note how the message along with the panic occurs after a pause of two seconds. Regards, Peter