LSI MegaRAID problems

Hi, I have a "LSI Logic MegaRAID SCSI 320-4x" adapter with an external raid5 array of 5 Seagate ST336754LW and XFS as fs on it. The device in question is /dev/sdb and the box is a dual Opteron 252. I've recently started to see this in the log almost whenever I touch the filesystem: May 30 12:22:

Segfaults in mkdir under high load. Software or hardware?

Hi, I am experiencing segfaults in mkdir, and mkdir alone, under high load. I have tried to eliminate the RAM by letting memtest86plus run overnight (no errors found). dmesg does report other filesystem related segfaults and some others that I am not so sure of. I am not really qualified to guess