Problem with lmv358 and usb at UNO

Using Arduino IDE 1.x
8

SurferTim:
lmv358 is U5A on the schematic.
http://arduino.cc/en/uploads/Main/Arduino_Uno_Rev3-schematic.pdf
That is the same IC and function as on a Mega IC7.
http://arduino.cc/en/uploads/Main/arduino-mega2560_R3-schematic.pdf

There seems to be a rash of those unlucky users. Here is another with the same problem
http://arduino.cc/forum/index.php/topic,135704.0.html

I was going to offer that this is the second report of a hot op amp on an arduino board recently. Certainly possible a 'bad batch' of the op amps got into a arduino production run? I had never heard of this symptom reported here before in the years I've been here.

Lefty