When the operating system boots and initializes the mpt2sas driver, several AER (application error reporting) errors might appear in dmesg. dmesg displays the content of the Linux system message buffer.
Oracle VM 3.1.1 and SUSE Linux Enterprise Server (SLES) 11 SP2
Releases 1.0 through 2.0
None. These errors are harmless and can be safely ignored.