On 12/13/2012 09:01 PM, Jason Gao wrote:
On Fri, Dec 14, 2012 at 12:23 AM, Alex Williamson
<alex.williamson@xxxxxxxxxx> wrote:
Device 03:00.0 is your raid controller:
03:00.0 RAID bus controller: LSI Logic / Symbios Logic MegaRAID SAS 1078 (rev 04)
For some reason it's trying to read from ffe65000, ffe8a000, ffe89000,
ffe86000, ffe87000, ffe84000. Those are in reserved memory regions, so
it's not reading an OS allocated buffer, which probably means it's some
kind of side-band communication with a management controller. I'd guess
it's a BIOS bug and there should be an RMRR covering those accesses.
Thanks,
First of all ,I want to known whether I can ignore these errors on the
production server,and do these error may affect the system?
By the way,when I removed the "intel_iommu=on" from /etc/grub.conf,no
DMAR related errors occur
well, if you don't enable the IOMMU, then it won't have IOMMU faults! ;-)
It's a strange thing,other three Dell R710 servers with the same bios
version v. 6.3.0, same kernel 2.6.32-279.14.1 on RHEL6u3(Centos 6u3)
,but these errors don't appear on these tree servers
mptsas or smi fw has to be different....
Anyone have any idea for this ?
thanks
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