What do the errors Invalid Phase Change and SYNC Offset Error mean

[Maurice Volaski <mvolaski@aecom.yu.edu>]

I have an LSI Logic card attached to a RAID. The RAID occasionally 
reports SCSI bus resets,although that might be unrelated because I 
have other units of this RAID with the same complaint, but then this 
just recently was reported by the card:

Jun 14 19:19:51 [kernel] [86189.359115] mptbase: ioc0: 
LogInfo(0x110b0000): F/W: Invalid Phase Change
which repeated many times

and then

Jun 14 19:19:53 [kernel] [86191.654386] mptbase: ioc0: 
LogInfo(0x11040000): F/W: SYNC Offset Error
which repeated many times

There is also some white crud on the card surface, pictured here: 
http://www.fluxsoft.com/images/lsicrud.jpg

Any comments on what might be going on?
--

Maurice Volaski, mvolaski@aecom.yu.edu
Computing Support, Rose F. Kennedy Center
Albert Einstein College of Medicine of Yeshiva University
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