Linux 2.6.34-12 with SUSE 11.3 returning IOC error (0047 & 004B)

Hello There,
My system is running with Linux 2.6.34-12 and SUSE 11.3 ver. Basically we are setup for SATA product testing(different memory size) with 16 drive in parallel.
Our CPU model is from SuperMicro(Intel 2.2Ghz) & ASRock(Intel Core i7).
Unfortunately, there are 2 error intermittently trigger during testing causing drive testing was fail/error. The error is:

    And, test was PASS after retesting the drive.
    Let me know if your guys need more information about this.

Hi All,
I would like to add more information regarding this error. The more you load the drive(total 16 SATA drive every testing), the more we can duplicate the failure.
It is this two error is related to disturbance timing/speed during the testing?
I am really appreciate all input and fix from you guys. Thanks.

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