Bart Schaefer wrote:
On 5/30/07, Feizhou <feizhou@xxxxxxxxxxxx> 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
Try building a 2.6.21 kernel and see if your problems go away.
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