Perhaps you are thinking of the I2C clock stretching bug[1]? Bugs like these are not unusual in embedded systems. It is often difficult to fix the hardware and

Perhaps you are thinking of the I2C clock stretching bug[1]? Bugs like these are not unusual in embedded systems. It is often difficult to fix the hardware and the software will implement some kind of workaround. The web page lists several possible workarounds for this bug. 1: http://www.advamation.com/knowhow/raspberrypi/rpi-i2c-bug.html http://www.advamation.com/knowhow/raspberrypi/rpi-i2c-bug.ht...