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On Thursday 02 Feb 2017 05:12:17 Dale wrote: |
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> Peter Humphrey wrote: |
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> > Hello list, |
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> > |
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> > I was looking through dmesg this morning and found 1231 instances (!) of |
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> > this error: |
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> > |
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> > DMAR: DMAR:[DMA Read] Request device [01:00.0] fault addr f400156000 |
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> > DMAR: [fault reason 06] PTE Read access is not set |
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> > |
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> > This is an Intel i7 box with an NVMe SSD and an AMD/ATI Amethyst XT |
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> > Radeon R9 M295X display card. The kernel is gentoo-sources-4.4.39. I've |
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> > tried setting intel_iommu=on or =pt as kernel parameter to no effect. I |
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> > don't want to set it =off because I've read that it slows the machine |
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> > dramatically. |
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> > |
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> > Googling has shown nothing, other than playing with that kernel |
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> > parameter. Does anyone here know what the problem is? |
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> |
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> I'm not sure if it applies but I found this: |
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> |
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> https://forums.gentoo.org/viewtopic-p-7904584.html#7904584 |
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> |
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> It should scroll down a bit to the post. The last comment seems to have |
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> a solution. |
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> |
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> Hope that helps. If not, maybe someone else has a better idea. |
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Thanks, but no, it makes no difference here. |
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-- |
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Regards |
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Peter |