=== DF-2305 BASELINE console evidence (captured on the baseline kernel) ===
-- test A: dma-tag failure -> NO cleanup follows (leak)
FWP: bus_dma_tag_create() INTERPOSED FAIL (ENOMEM) call#1  [DF-2305 forced branch]
FWP: ATTACH returned 12
FWP: bus_dma_tag_create() INTERPOSED FAIL (ENOMEM) call#1  [DF-2305 forced branch]
FWP: ATTACH returned 12
FWP: CTL forced fwohci_pci_detach (rig cleanup; the stock code never does this on the DF-2305 path)
FWP: bus_teardown_intr(cookie=0xf00dcafe) ok (teardowns=1 live=0)
FWP: bus_release_resource(IRQ) ok (releases=1)
FWP: bus_release_resource(MEM) ok (releases=1)
fwohci0: Could not allocate irq
FWP: bus_release_resource(MEM) ok (releases=2)
fwohci0: Could not map memory