I've just change mi HBA card form a LSI 9340-8i to a LSI 9300-16i.
I don't know if it is related with this message.
My configuration is this:
Intel(R) Core(TM) i7 CPU 920 @ 2.67GHz
Mainboard Intel 58XSO
RAM: 16Gb
12 HDD SAS 8Tb
I use it to storage and
Running PLEX server