1769188773.686964 fedora kernel: apple-dcp 271c00000.dcp: DCP index:1 dptx target phy: 5 dptx die: 0
1769188773.687155 fedora kernel: platform 271c00000.dcp:piodma: Adding to iommu group 9
1769188773.687343 fedora kernel: apple-dcp 271c00000.dcp: RTKit: Initializing (protocol version 12)
1769188773.687500 fedora kernel: apple-dcp 271c00000.dcp: shmem_setup: iova: 880255000 -> pa: be4f29000 -> iomem: ffff800082>
1769188773.687657 fedora kernel: apple-dcp 271c00000.dcp: shmem_setup: iova: ffffec000, buffer: ffff8000817cc000
1769188773.687826 fedora kernel: apple-dcp 271c00000.dcp: shmem_setup: iova: ffffe8000, buffer: ffff8000817d4000
