On Tue, Jan 18, 2022 at 06:01:06PM +0100, Paul Menzel wrote: > > > $ dmesg --level=err > > > [ 4.194306] nvme 0000:01:00.0: AMD-Vi: Event logged > > > [IO_PAGE_FAULT domain=0x000c address=0xffffc080 flags=0x0050] > > > [ 4.206970] nvme 0000:01:00.0: AMD-Vi: Event logged > > > [IO_PAGE_FAULT domain=0x000c address=0xffffc000 flags=0x0050]
This was caused by a DMA read to a write-only page. Looks like a bug in the driver or the devices firmware. Regards, Joerg _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu