My keyboard is still being locked up when I connect USB devices. Pulling then and reconnecting often frees the keyboard and trackpad. I have Firmware MBP111.0138.B03

I have an updated maveriks and EFI firmware MBP111.0138.B03 and I also tried several times resetting the SMC.

Nothing helps.

Here is the Hardware overview:

Hardware Overview:

Model Identifier: MacBookPro11,1

Processor Name: Intel Core i5

Processor Speed: 2.4 GHz

Number of Processors: 1

Total Number of Cores: 2

L2 Cache (per Core): 256 KB

L3 Cache: 3 MB

Memory: 8 GB

Boot ROM Version: MBP111.0138.B03

SMC Version (system): 2.16f58