<snip> > > [ 0.991863] iommu: Adding device 0000:06:00.0 to group 12 > > [ 0.991982] iommu: Adding device 0000:07:04.0 to group 12 > > [ 1.063849] AMD-Vi: Found IOMMU at 0000:00:00.2 cap 0x40 > > [ 1.063962] AMD-Vi: Interrupt remapping enabled > > [ 1.064145] AMD-Vi: Lazy IO/TLB flushing enabled > > [ 1.065331] perf: AMD NB counters detected >
I'm similar, but have a couple of extra entries. I've read a little bit about them, but so far am unable to determine if their existence indicates a better or worse kernel config. [ 1.036309] AMD-Vi: Lazy IO/TLB flushing enabled [ 1.036419] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.036529] software IO TLB [mem 0xba61a000-0xbe61a000] (64MB) mapped at [ffffa3b87a61a000-ffffa3b87e619fff] [ 1.036744] perf: AMD NB counters detected And the Linux AGP Driver ( in-kernel ) is working now. > > Now this is showing properly with lspci : > 00:00.2 IOMMU: Advanced Micro Devices, Inc. [AMD/ATI] RD890S/RD990 I/O > Memory Management Unit (IOMMU) > Same.