[CentOS] data corruption on AMD AM2 systems with 4GB of RAM or more
Bart Schaefer
barton.schaefer at gmail.com
Thu May 31 10:46:06 UTC 2007
On 5/30/07, Feizhou <feizhou at graffiti.net> wrote:
> Bart Schaefer wrote:
> > We have not tried building a kernel, nor installing any drivers or
> > other kernel-related software other than that available from the
> > CentOS project repos. However, the machine is fully yum-updated.
>
> So you also do not have the IOMMU enabled in your boxes?
% dmesg | grep -i iommu
Please enable the IOMMU option in the BIOS setup
PCI-DMA: using GART IOMMU.
PCI-DMA: Reserving 64MB of IOMMU area in the AGP aperture
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