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On Saturday 04 Feb 2017 10:17:13 Peter Humphrey wrote: |
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> On Friday 03 Feb 2017 19:40:53 Mick wrote: |
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> > Peter, I recall a similar problem shown in the logs of an i7. and all I |
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> > did was to enable IOMMU in the kernel, just as a message in the logs |
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> > recommended. From memory I built in the kernel something like |
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> > CONFIG_INTEL_IOMMU_DEFAULT_ON as well as some Intel related IOMMU |
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> > options. I did not pass any options on the kernel line at boot time. The |
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> > error messages stopped as a result. |
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> |
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> $ grep -i iommu /usr/src/linux/.config |
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> # CONFIG_GART_IOMMU is not set |
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> CONFIG_CALGARY_IOMMU=y |
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> CONFIG_CALGARY_IOMMU_ENABLED_BY_DEFAULT=y |
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> CONFIG_IOMMU_HELPER=y |
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> CONFIG_IOMMU_API=y |
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> CONFIG_IOMMU_SUPPORT=y |
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> CONFIG_IOMMU_IOVA=y |
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> # CONFIG_AMD_IOMMU is not set |
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> CONFIG_INTEL_IOMMU=y |
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> CONFIG_INTEL_IOMMU_SVM=y |
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> CONFIG_INTEL_IOMMU_DEFAULT_ON=y |
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> CONFIG_INTEL_IOMMU_FLOPPY_WA=y |
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> # CONFIG_IOMMU_STRESS is not set |
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> $ |
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> |
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> That looks all right to me, no? |
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The only difference is I have not set CONFIG_INTEL_IOMMU_SVM on my system. |
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-- |
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Regards, |
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Mick |
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