I have your X7DBE motherboard with the LSI SAS3080X controller card and am running Linux OS Kernel 2.6.16 on it. My problem is that whenever I run the disk I/O test, I receive the message below. Have you seen this error before and do you have any workaround solution for this?
mptbase:ioc 0 : warning- unexpected doorbell active !
CPU1: Machine Check Exception: 0000000000000005
Bank 0: b200 0040 1000 0400
Bank 5: b200 1210 2008 0400
Kernel Panic – Not Syncing : CPU Context Corrupt
If you are using the LSI SAS3080X card, you need to set the PCI-e I/O Performance to “Coalesce” instead of “Payload 256B” in BIOS -> Advanced -> PCI Configuration. That will fix your problem.
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