Am Freitag, den 24.02.2017, 16:41 +0300 schrieb c400:
> when i disable IOMMU -> "Enable Intel DMA Remapping Device by
> default"
> the USB flash drive becomes completely invisible.
> Same stuff when i completely disable recompile kernel without IOMMU

The DMA map for the device seems to be incorrect. Try limiting mem to
2GB on the kernel command line.

        Regards
                Oliver

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