Have a Mac equipped with Thunderbolt? Then head on over to your friendly neighborhood Mac App Store this morning, click on Updates and get yourself a nice firmware update.
Firmware update v1.2 for Thunderbolt "provides stability fixes for Thunderbolt and Target Disk Mode" and requires a machine restart. If the update hasn't made it to the Mac App Store yet, you can also download it from the Apple Support Pages.Apple issues stability fix firmware update v1.2 for Thunderbolt originally appeared on